A Newbie’s Guide To Ultramarathons

The transformation from first timer to experienced ultrarunner is an evolution that can’t be rushed. After my first ultra 20 years ago, I couldn’t climb or descend stairs without holding onto walls or people for support, and I had to crawl into the bathtub. It took weeks before I could run without every muscle and joint aching. One hundred and eighty-two ultras later, I’ve discovered that, even with faster finishing times, post-race crawling isn’t a given and a recovery run the day after an event isn’t out of the question.

Adaptation is defined as the physiological and psychological changes that allow us to improve. It’s the underlying reason why we keep coming back to test our limits by running farther and faster. Let’s face it, without these improvements, this would be a pretty boring sport. We’d never get used to the mileage and we’d simply remain at one fitness level forever. Unfortunately, our bodies don’t change overnight. It takes years to see significant jumps in our running fitness. One of the biggest training mistakes I’ve observed as a coach is that many new-to-ultrarunning athletes attempt to cheat the adaptation curve by pushing the envelope too often and they quickly wind up hurt and burned out.

First time ultrarunners usually fall into two groups:

  • Running newbies – These athletes have a short running history (a year or two at most), but have discovered that they love to run. Inspired by friends who have finished their first ultra, they are curious if they can too.
  • Marathon runners – Finishers of one or more marathons are excited by the prospects of the next challenge. These runners like to race, set PRs, and know the significance of the clock. They’ve completed the training that got them across a marathon finish line and enjoyed the experience. They now want to explore what lies beyond the 26.2-mile mark.

There are, of course, exceptions to these groupings. I am one. I ran competitively in high school and college. Though I hadn’t run farther than 15 miles in a single run, I found I preferred longer trail runs and hikes after my competitive college career was over. I skipped the marathon experience in favor of the JFK 50 Mile as my ultra debut.

For the purposes of this piece, we’ll lump the experienced non-marathoner, like myself, into the ‘marathon runners’ category. Another exception is the athlete who’s mastered another sport, like cycling or swimming. They have huge aerobic engines, but their bodies aren’t used to a high-impact sport. We’ll place them into the ‘running newbie’ category; however, they should continue to practice their primary sport to keep their cardiovascular system in tip-top form.

Let’s explore the ways these ultra-newbies can safely approach their first few years in the sport.

Where to Start?

It’s important that first timers not bite off more than they can chew. Below are guidelines that newcomers should follow.

  • Running newbies – Definitely stick to the 50k distance for your first dance. Even though you’ll practice dialing in all the variables in training, expect a few hiccups with your pacing, equipment, nutrition, hydration, or some never-before-experienced muscle soreness. Apply what you learn the first time to your second ultra, which should also be a 50k. After a few finishes at this distance you’ll gain the confidence and knowledge you’ll need for the next step, a 50-mile race.
  • Marathoners – Because of your marathon background you have more freedom than the newbie in this regard. In fact, ultra veterans often use marathons as training runs for 50-mile events. Essentially you have the basic training, fueling, and pacing experience needed to give 50 miles a go if that’s your desire. However, if you’re still apprehensive about running twice as far as you’ve ever run before, try a 50k first.

Save the Ultra Distances for Race Day

Finishing a long-distance race is mentally and physically demanding. Avoid emulating race-day demands like digging too deep too often in training. Here are some reasonable parameters to follow:

  • Running newbies – All you must do for your first ultra is to keep your volume consistent and conservative. Covering ultra distances in training is risky and unnecessary. Instead, focus on these goals: Build up to where a once-a-week, two- to three-hour easy-effort long run (including hiking breaks) feels easy. Don’t concern yourself with the distance covered. Spend time figuring out your pacing, equipment, and hydration and nutrition regimen. Fill the remainder of the week with two to three more easy runs lasting between 30 and 60 minutes. Accumulate an average of four to six hours of running per week for at least three months and you’ll be ready to tackle an easy to moderately difficult 50k.
  • Marathoners – Your training background will allow you to handle volume and, possibly, added intensity for your first ultra build-up. If your goal is a 50k, long runs should mimic, in distance, those from your marathon training. Keep in mind that trail runs take longer than running the same distance on the road. These same marathon long-run distances are also appropriate for your first 50-mile training build-up, however, you may wish to throw in two to three weekend back-to-back long runs every two to three weeks in the peak training weeks. Limit the second long run to roughly half to three quarters the length of the first day’s run. If you’ve done stamina and speed workouts in the past, continue to add those to your training, but be sure to include extra recovery before and after so you’re rested before your weekly long run(s). Your weekly mileage will be the same as when you were training for a marathon, but the volume is redistributed.

Respect the Recovery

Feeling good is the goal! Soreness and fatigue are logical consequences of beneficial ultra training, but neither should be a constant. In fact, you’ll know you’re training correctly when, as you progress, your runs leave you feeling invigorated rather than run down.

  • Running newbies – It can be difficult for a new-to-running athlete to determine the difference between ‘good’ and ‘bad’ pain and fatigue. It’s hard to tell if exhaustion brought on by training is part of the beneficial training process or leading to burnout. Seek help until you know the difference. Build a rapport with a mentor, coach, or physical therapist who can help answer any questions or modify your training as needed.
  • Marathoners – You learned during marathon training what your body and life schedule could accommodate. Don’t abandon those principles when you step into the ultrarunning world.
  • Everyone – Every first timer should take, at minimum, four weeks of recovery after your first ultra. Don’t worry about losing fitness. Substitute your weekly runs with swimming, hiking, biking, or yoga. You may throw in the occasional run as long as you keep it to an hour or less.

Applying this ‘Newbie Guide’

Here are two athletes I’ve worked with and how we implemented this advice to produce great successes.

Running newbie
Carol Ann Lussenden, 44, Wisconsin

Goal: 2014 Crown King 50k (Arizona)

Running History: Before we started working together 18 months ago, she had only been running recreationally for nine months.

Plan of Attack:

  • Log consistent 10- to 35-mile weeks (44 miles/week being the most)
  • Implement regular hiking breaks (roughly after each mile) to keep a troublesome hip from flaring up
  • Use the treadmill during the awful ‘Polar Vortex’ winter to keep fit and safe
  • Occasional use of a stationary bike for cross training
  • Utilize local road half marathons and a trail 25k as training races

Results: Carol Ann finished Crown King in 8:55 with a smile on her face.

Marathon runner
Emily Harrison, 26, Virginia

Goal: 2012 JFK 50 Mile (Maryland)

Running History: 2012 Olympic Marathon Trials Qualifier, extensive high-school, college, and post-collegiate racing experience

Plan of Attack:

  • Capitalize on current marathon fitness by continuing to log 70- to 100-mile weeks
  • Limit long runs to 26 miles
  • Introduce a few back-to-back long runs on alternating weekends
  • Maintain speed by keeping weekly tempo and/or track sessions in the plan
  • Occasionally train with partners who are a touch faster
  • Train on the course when able
  • Allow for two days of recovery between tough efforts

Results: Emily finished second woman to Ellie Greenwood in 6:17, the second-fastest time ever on the JFK course, and earned a trip to the Western States 100 through the Montrail Ultra Cup.

Setting the goal to finish an ultra is as inspiring as it is reasonable. This is a sport in which everyone can participate. However, I believe that first timers shouldn’t enter the arena with the belief that this is a one and done proposition. I know from experience that it’s next to impossible to get it right or to be completely satisfied after your first finish. Instead, start out gradually, enjoy the process, and eliminate rookie mistakes by heeding your body’s need to recover, setting realistic goals, and training within reasonable parameters. By the time ultra number 182 rolls around you probably still won’t have it completely figured out, but at least your body and mind will be ready to handle any unexpected hurdles.

Call for Comments (from Meghan)

  • We all were ultra newbies at some point. Are you an ultra newbie now or when were you one? And what kind of ultra newbie were you, a ‘running newbie’ or a ‘marathoner?’
  • In your experience so far, have you roughly followed Ian’s suggested plan of easing into ultras or did you take a more aggressive approach?
  • Do you have any other useful ultra-newbie advice you’d add to this article? Please share!

There are 26 comments

  1. @theMarkCRyan

    I ran my first ultra (a 50km) 4 years ago. It was a warm up for a single leg of the Canadian Death Race – I figured 50km of rolling hills equated to 27km of mountains with 3000' of climbing. In my build up to the 50km I ran a half marathon (PR). Since my ultra debut I've battled an inguinal hernia, sprained ankle, and plantar fasciitis. I'm getting back into shape now and really can't wait to go long again. I ran a 22km training run on trails a couple weeks ago and it was my longest run in 2 years. It was good to be out for that long again.

  2. @DirtandSun

    I ran my first 50k a week ago at the Blackfoot Ultra in Alberta as a running newbie – 2.5 years into my middle-age crisis running 'career'.
    I had run two half-marathons and had a longest training run of 25km. I typically run about 40km or 4-5 hours a week. Predictably, I bonked after about 28km, but still managed to limp in with a respectable time for me. The best part is that my suspect left knee didn't feel any worse than the rest of me by the end.
    Next up is a mountain 60k in Revelstoke BC. This should be very challenging for me, as besides my lack of training, it involves 10,000' of vertical along with the associated thin air. Regarding recovery, I'll be playing with fire as I can't/won't take 4 weeks off between these 2 events.
    Scott R.

  3. @paul_running

    Thx for the post. I'm currently training for my first ultra, the Chiemgauer 100k mountain ultra run over here in Germany 26 July). I have been road running since mid 2006, but only started "training" in 2012.

    I ran my first marathon in 2013 and have since run on trails. I regard letting go of pace and hr-based training programs the single biggest factor while transitioning to "time on feet" which makes running in the woods so much more enjoyable.

    I'm really looking forward to "running" the Chiemgauer Alps rather than "racing" this terrific landscape.

  4. @theDumiDum

    Add my tally mark to the experienced swimmer/running newbie/first marathon happened on the way to my first ultra, an 8 hour fat ass event. No injuries yet and no decrease in my interest, either. I'm not ever going to compete for place, even in an age group, but I plan to be finishing ultras for the next handful of decades or so.

  5. @SkyRunUS

    I also ran my first "official" ultra at the 2014 Crown King Scramble. I've been running for a couple of decades, with the occasional marathon(s) in most years. I have always been interested in trail ultras, but it was a summer of really slow run/hikes (often for as many hours as I had available) in the mountains of Montana last year that really got me ready to tackle a trail ultra. Just before the CKS 50K I decided that I wanted to try The Bear 100 this fall, so I signed up for the Grand Canyon 50 miler (in order to qualify for The Bear, since I have no ultra track record). The 50 miler went well in terms of effort and my needed time goal, but it was hotter than I was used to and I did blister pretty badly on both feet. Hoping to get a handle on that this summer. I've also decided to work with an ultra running coach since the 100 miler is so far beyond anything I've ever done. The 50 miler, while hard for me, was essentially just a longer day on the trails. The 100 miler, at my pace, will require me to run/hike through the night and pretty much through the next day as well. At this time I still can't even imagine how I will do that, but hopefully by September I will be ready to try!

  6. @jafa4ever

    Thanks a great read & insight Run my 1st ultra 8 months ago Having run several marathons I. Needed more but instead of a 50 k went for a 24 hour track run going from running 26.2 miles to 128.4 ks is quite an eye opener but what a feeing to say your an ultra runner ?

  7. cynthiamcwine

    Thanks for the great article. I am an experienced runner who is looking forward to my first ultra, and have been wondering about extending my marathon training to be prepared for my first 50K. For me, the issue is not so much distance as terrain: my road races have been on mostly flat roads, but I plan to run my first ultra on extremely hilly trails.

  8. Fikk1972

    Great read….. Making the jump this weekend to my first 50 miler. One thing I've learned from running 50K trail races is that weather is a huge factor. Training in the wind/rain/heat and sometimes snow will ensure you are confident if not prepared for modifying your effort (pace), hydration and nutrition. A race that may start calm and 5C and finish windy and 31C (Panorama Grizzly 2013). Also training for mountain elevation in the flat-lands can be a challenge so find a good set of stairs or hill for repeats and learn to love em'.

  9. alastairolby71917220

    Great read, thanks. A word of warning to folk of a certain age having a go at ultras: I'm 52 and ran 2 ultras last year with no problem. Then after a winter of ski mountaineering competitions, I got straight back into running. As I was very fit I was soon up to running decent distances (around 65-75km/week with 3-4000m climbing – I'd been putting in weeks with 7000-10,000m climbing skiing so this was a significant cut back…) BUT on my first back to back long run I suddenly had a very sharp pain in the upper hip/lower back area. It turned out I had a stress fracture of the ilium, which has taken quite a while to heal. Lesson learned: ease back into high impact sport gradually regardless of how in form you are!

  10. Julieade

    The 2016 Race to the Stones (along the ridgeway in the UK ) will be my first ultra. I ran my first full marathon this year although I've been completing 2 HM each year since 2005 plus 10 milers, 10K and others. Can you recommend any training plans to access. I'm hoping to run over 2 days with an overnight break. My goal is to finish time is not too important but I'd like to run as much as possible. I'm looking for a plan that will allow me to increase the distance over the next 6 months

    1. jellellis

      Hey J!

      We sound pretty well matched! RttS will be my first ultra too, also the 2 day option with the overnight camp. I have run the Clarendon trail marathon a couple of times, and do a fair bit of off road running. I have a couple of half marathons and a marathon planned for the spring, but a lot of my training will be off road running here in Hampshire.

      If I come across a good training plan I'll share it with you, as well as any hints and tips and experiences I get along the way.

      See you there!


  11. @JeffKase

    I'm a newbie who's just reading this. I'm running my first ultra, The Pistol 50 miler, on January 2nd. Just by happenstance, my training falls somewhere in between the running newbie and the marathon runner. I've done a 50K training run and several 20 milers, with 10-15 mile follow-up (back to back) runs the following day. I do implement interval training and longer runs at threshold. I am about four weeks out from my first ultra and am planning on slowly tapering from here on in. I trust my training and at 51 years old, want to give my body a chance to rejuvenate from my training before the big day. I ran one marathon when I was 17, so I don't think I'm going to count that as experience.

      1. Barbara

        Jeff I am 52 but will be 53 when I run my first 50K. I have ran 9 marathon’s and several 1/2’s. I have also been trail running for many years. The most I have ran on trails was a 26K. I want to do my first 50K in April 2017 in Zion. Can you please send me your training schedule. I have been doing a lot of research on schedules that are out there and would like to compare yours to the ones I have.

        Thanks for any information you can provide.

  12. Damo


    Your site is such a great source of info!

    I’m super tempted to train for a 50k as first intro to Ultras but pretty much starting from scratch after over 3 years of running.

    Realistically what kind of time frame would you recommend to build from zero to 50k?


  13. Lucas


    I run a Marathon every year and I take advantage of this by planing a trip (I live in Mexico) which ultra would you recommend to be my first. I would like to run one with a simple course and logistics.

  14. Cheryl Ervin

    Thanks for the information and advice. I have run a marathon and typically run 200+ miles/month. I am registered for my first 50 miler (Brazos Bend) in December of this year. I can tell I will refer to your website often.

  15. Alex Parker

    Great article and wise advice. Everyone should read and heed. I got into running in my mid 40s after a long time in road cycling (ran competitively in high school but not after). Got the ultra bug and progressed too quickly to trying to race (not just finish) 50Ks. This led to a multi year struggle with Achilles tendinitis, which I have only fully resolved in the last year. I’m now 51 and faster than ever, but regret missing out on performing well in my late 40s due to insufficient patience in building running specific fitness and resilience. Newbies heed Ian’s advice!

  16. andy mc breen

    Ian, Very good point about running ones first 50k. You mentioned Pacing and Nutrition as a primary focus. I absolutely agree and after running 55 Ultras, I can recommend checking in or listening to Your body and feeling Your heart rate as apposed to following a set of distance, elevation and set time goals for runs. Once I learned that consuming boiled potatoes and salt at aid stations eliminated any blood sugar or bonking problems I have never felt or had better results with My Ultra finishing times.

  17. Dan

    great article, tough to find enough good useful content like this, the comments are great also.

    aiming for a 61k race in June this year. did a marathon 10 years ago and basically hadnt run at all since then. I started modestly in November, had a few bad months off and on, and finally got rolling successfully in February. I’ll have about 16 weeks of reasonable training time, it seems to be going pretty well so far, a few niggles but nothing to hamper. Aiming for max training runs of maybe 38 or 40 km. any advice from anyone would be great! short time frame, of course everyone tells me its ridiculous, and not reasonable.

    fueling etc seems to be key for me right now, and just mental focus and turning off the brain during my runs. wish me luck….

  18. JJ

    after running/training for 2 or 3 half marathon races a year for the last few years, never really expecting or wanting to run longer, I temporarily took leave of my senses, signing up for a 100k in the UK. don’t know what came over me. I figure it must be a mid-life crisis! still, cheaper than a sports car…

    a couple of days later I had a serious case of buyer’s remorse and figured I’d better start planning. I signed up for a full marathon in april 2020 (Brighton), with a half as a tune-up in march (Surrey). I’ve then got a 50k in july 2020 (2nd half of RTTS), then the main event, 100k along the Thames Path in September. I am mid way through a 20 week marathon plan, aiming to sneak in just under 3:30. my longest training run to date is 32k and change, so the marathon distance is beginning to feel achievable, but adding another 68k still feels a bit (totally) bonkers. I have to trust that the ultra training plan will prep me for the longer distance.

  19. Christina Moran

    Hi! I am over 50 and I have signed up for my first 50K. I can’t wait, but I am also signed up for St. George Marathon on 10/3, MCM 10/26 and my goal — Dead Horse 11/21. Is this too aggressive? I really want to do ALL of them.

    I thought about finding a training program that incorporates the marathons into it, Any ideas are greatly appreciated! Thanks!!

    1. Bryon Powell

      Christina, I think a lot would depend on (1) how many marathons you’ve run in the past and (2) if you can run a race at less than all out. If they answers to those questions are a whole bunch and yes, you could be fine with it.

  20. Jirka

    I found this article a few year ago. I started running regularly in 2016 and since then I really enjoy longer “sightseeing” runs in nature. I was thinking about running some longer distance, for example a marathon.

    I run a few half marathon runs, but I am really not into any hardcore sport stuff like tempo runs, races, heart rate and “no pain no gain” t-shirts. I jus wanted a sensible advice how to prepare for a long day out.

    To me, the advice stated in this article, to build up where 3h long run feels easy, and to run about 5-6 hours a week, was a key.

    I have been trying to follow this advice (the volume part – not very successfully, the 3hour run part – OK), but then my knees and achilles tendons started to object.

    So I switched to gravel bike riding and kept the running volume low. But now and then, I checked myself with a long trail run to see if I am still more or less fit.

    In 2019, I ran 477 km / 50 hours only. I spent 100 h on a bike.
    It was more or less the same for 2020 (until October), some 400km of running and 100 hours of bike.

    Last week I had 40th birthday so I decided to try the marathon distance and run a quite easy trail on my own.
    Since I wasn’t training for it, I kept really low tempo and implemented walk breaks regularly. In the end, it was 46 km in 6,5 hours.

    It went surprisingly well. I know it is not a great achievement at all, but I just wanted to share it with you – to say thanks for your advice and also as a note to some other person, who could be in the same position and who would come across this article.

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