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  • WS 100
  • News
    • This Week in Running
    • Other News
  • Buyer’s Guides
    • Best Trail Running Shoes
    • Best Cushioned Trail Shoes
    • Best Trail Racing Shoes
    • Mountain Running Gear Guide
    • Best Running Sunglasses
    • Best GPS Watches for Running
    • Best Running Hats
    • Best Running Socks
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      • Brooks Catamount Review
      • Hoka Speedgoat 5 Review
      • Hoka Torrent 2 Review
      • Hoka Zinal Review
    • Trail Shoe Reviews (Inov-8 to Nike)
      • Inov-8 Terraultra G 270 Review
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      • Merrell Antora 2 Standard and Gore-Tex Reviews
      • New Balance Fresh Foam Hierro v6 Review
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    • Trail Shoe Reviews (Salomon to Topo)
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      • Saucony Canyon TR Review
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    • Running Apparel Reviews
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      • DexShell Waterproof Breathable Accessory Review
      • District Vision Men’s Apparel Review
      • Drymax Running Socks Review
      • Janji Women’s Apparel Review
      • Oiselle Running Apparel Review
      • Patagonia High Endurance Kit Review
      • Patagonia Storm Racer Jacket and Peak Mission Gloves Review
      • Rab Trail Running Apparel Review
      • Rab Kinetic Ultra Waterproof Jacket Review
      • Rabbit Women’s Warm Weather Apparel Review
      • Rabbit Women’s Cold Weather Apparel Review
      • Soar Running Men’s Apparel Review
      • Stio Women’s Apparel Review
      • Ultimate Direction Apparel Review
      • Vuori Women’s Apparel Review
    • Best Winter Running Traction Devices
      • Black Diamond Distance Spike Review
      • Hillsound Flexsteps Crampons Review
      • Kahtoola EXOspikes Review
      • Kahtoola MICROspikes Review
      • Yaktrax Pro Review
    • Other Running Gear Reviews
      • Katadyn BeFree Review
      • CamelBak Ultra Pro Vest Review
      • Osprey Dyna 6/Duro 6 Review
      • Ultimate Direction Women’s Mountain Vesta 5.0 Review
      • Ultimate Direction Utility Belt Review
      • UltrAspire Spry 3.0 Race Vest Review
      • USWE Pace 2 Running Vest Review
      • Pa’lante Packs Joey Review
      • Red Paw Packs Flatiron 28L Review
      • Addaday BioZoom Edge Review
      • Best GPS Watches for Running in 2022
      • Garmin Fenix 6 Pro Review
      • Coros Vertix 2 Review
      • Coros Vertix Review
      • Suunto 9 Baro Review
      • Suunto 9 Peak Titanium Review
      • BioLite HeadLamp 330 Review
      • Black Diamond Icon 700 Headlamp Review
      • 100% Speedcraft Sunglasses Review
      • Rudy Project Propulse Sunglasses Review
      • Smith Attack Sunglasses Review
      • Smith Pinpoint Sunglasses Review
      • Tifosi Salvo Sunglasses Review
      • Tifosi Tsali and Swank Sunglasses Reviews
      • Child Carrier Pack Roundup
      • NordicTrack X22i Treadmill Review
      • NordicTrack Commercial X32i Incline Treadmill Review
      • Bearosol Holster Review
  • Training & Racing
    • Ultramarathon Training: A Guide to Everything
    • Training for Beginners
    • Advanced Training
    • Strength Training
    • Racing
    • Fueling
    • Hydration
    • Recovery
    • Mental Training and Strategies
    • Trail Running Skills
      • Uphill Running
      • Running Downhill
      • Trail Running on Technical Terrain
      • Running at Night
      • Navigating While Trail Running
    • Off Season
    • Mobility
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    • Treadmill Running
    • Aging
  • Health
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      • Running in Cold Weather
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    • Running and Illness
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    • First Aid for Running
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  • People
    • All of iRunFar’s Interviews and Profiles
    • The Long Game (In-Depth Profiles of Top Runners)
    • Age-Old Runners (Profiles of Runners Age 45 and Up)
    • WeRunFar (Profiles of Community Leaders)
    • Catching Up With… (Runner Profiles from During the Pandemic)
  • Columns
    • AJW’s Taproom by Andy Jones-Wilkins
    • Bryon Powell’s Column
    • Community Voices by You!
    • The Examined Run by Sabrina Little
    • Finding Words by Zach Miller
    • Notes from the Trail by Hannah Green
    • Running on Science by Corrine Malcolm
    • Stay the Course by Joe Uhan
    • This Week in Running by Justin Mock
    • Trailhead Vehicles by Alex Potter
    • WeRunFar Profiles by Morgan Tilton
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  • Support iRF!

2018 IAU 100k World Championships Results

By Meghan Hicks 17 comments

Results from the 2018 IAU 100k World Championships.

2018 IAU 100k World Championships Men’s Preview

By Bryon Powell 15 comments

An in-depth preview of the men’s field for the 2018 IAU 100k World Championships in Croatia.

2015 IAU 100k World Championships Results

By Bryon Powell 3 comments

Results from the 2015 IAU 100k World Championships won by Jonas Buud and Camille Herron.

2015 IAU 100k World Championships Preview

By Bryon Powell 13 comments

A preview of the 2015 IAU 100k World Championships.

José Antonio Requejo Post-2014 IAU 100k World Championships Interview

By Bryon Powell Leave a reply

An interview with José Antonio Requejo after his third-place finish at the 2014 IAU 100k World Championships.

2014 IAU 100k World Championships Results

By Meghan Hicks 12 comments

Results of the 2014 IAU 100k World Championships.

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Best Trail Running Shoes

Buyer's Guides and Reviews

Best Trail Running Shoes Best GPS Watches for Running Best Running Sunglasses Best Running Socks Mountain Running Gear Guide Best Running Hats Best Running Belts & Waistpacks Best Running Wind Jackets Best Cushioned Trail Shoes Best Trail Racing Shoes Best Men’s Running Shorts Best Sports Bras for Running Best Women’s Running Shirts Best Women’s Running Shorts Best Running Gaiters Best Fastpacks Best Ultralight Sleeping Pads Best Winter Running Traction Devices Best Running Gloves Winter Running Gear Guide Best GPS Watches for Running Best Men's Running Tights Best Trail Running Shoe Brands Best Trail Running Shoe Brands

Best Trail Running Shoes New Trail Shoes Late 2021 Heel-to-Toe Drop Adidas Terrex Speed Ultra Altra Lone Peak 6 Arc'teryx Norvan SL 2 Brooks Cascadia 16 and 16 GTX Brooks Catamount Hoka Speedgoat 5 Hoka Torrent 2 Hoka Zinal Inov-8 Terraultra G 270 Inov-8 X-Talon Ultra 260 V2 La Sportiva Akasha II La Sportiva Blizzard GTX La Sportiva Bushido II La Sportiva Cyklon La Sportiva Jackal La Sportiva Karacal Merrell Antora 2 and Antora 2 GTX New Balance Fresh Foam Hierro V6 Nike Kiger 7 Nike Pegasus Trail 3 On Cloudultra Salomon Sense Ride 4 Salomon S/Lab Pulsar Salomon S/Lab Ultra 3 Salomon Speedcross 5 Salomon Ultra Glide Saucony Canyon TR Saucony Peregrine 12 SCARPA Spin Infinity SCARPA Spin Ultra Scott Kinabalu RC 2.0 Skechers GoRun Razor Trail Speedland SL:PDX TNF Vectiv Enduris Topo Mtn Racer 2 Topo Terraventure 3 Topo Ultraventure 2 Topo Ultraventure Pro VJ Ultra

Ultrarunning & Trail Running Resources

The Ultimate Guide to Ultramarathon Training! Training for Your First Ultra Newcomers Guide to Ultramarathons Finding Trails Choosing an Ultra Finding an Ultra Pace Nutrition Basics for Trail Running Ultramarathon Clubs Ultramarathon Coaches Guide to Fastpacking International Resources

Newcomers Guide to Ultras Ultra Training for Busy People Ultra Training Volume Endurance-Based Workouts The Importance of the Long Run Effort-Based Running Runner Strength Training Building a Trail Worth Body Series Descending on Trails Dominate the Downhills Quad Muscle Training Flat Training, Mountain Race Understanding Training Stress Our Performance Mobility Series Dynamic vs Static Stretching Best Runner Exercise (No One Is Doing) Altitude Training Dynamic Core Stability Troubleshooting on the Run 10 Rules for Recovery Six Tests for Runners Stride Cues and Running Efficiency Six Things Elites Do

Running Injury Article Roundup 10 Commandments of Healthy Running Multi-Dimensional Injury Treatment Is It Dysfunction or Injury? Remodel Injured Tissue Bone Health Chemical Stress and Running Injury The Concept of Pain in Running Injuries Is Your Running Injury Nerve Pain? Pain Management for Runners Beat Achilles Pain Recover from Plantar Fasciitis Cure Plantar Fasciitis Treat Hamstring Pain Address Lower Back Pain High Ankle Sprains Hip Stability Injury Test

The Science of Altitude Acclimation The Science of Heat Acclimation Heat Exhaustion and Heat Stroke Staying Cool in the Heat Dealing with Sore Quads Running When Sick Sleep and Running Performance Overtraining Syndrome New Hydration Paradigm How to Prevent Hyponatremia Running and Cramps Overcome Running Cramps Female Physiology and Ultra Performance Female Menstrual Cycle and Ultra Performance Running During Pregnancy Non-Asthma Breathing Problems Vision Loss in Ultramarathons Rhabdomyolysis and Ultramarathons Running's Effect on the Heart

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