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  • Support iRF!

Scott Jurek Terminates Appalachian Trail FKT Bid

By Sam Anderson Leave a reply

After just a week on the Appalachian Trail, Scott Jurek has halted his latest FKT attempt, citing a torn quadricep.

Timothy Olson Shares His Pacific Crest Trail FKT Journey

By Alex Potter Leave a reply

An interview with Timothy Olson about his transformative physical and spiritual journey while setting the men’s supported Pacific Crest Trail fastest known time.

Scott Jurek, Previous Appalachian Trail FKT Holder, Is Back for a Second Record Attempt

By Meghan Hicks Leave a reply

Six years after setting a then overall supported fastest known time on the Appalachian Trail, Scott Jurek is southbound on another speed effort.

Jasmin Paris and Kim Collison Set 24-Hour Munros Records in July

By Mark Wilson Leave a reply

Jasmin Paris and Kim Collison set respective women’s and men’s 24-hour Munros records in Scotland during the month of July.

Ben Feinson Post-Long Trail Men’s Supported Fastest Known Time Interview

By Alex Potter 1 comment

Ben Feinson, an ultrarunner from Richmond, Vermont, just set the men’s supported Long Trail fastest known time. This is our interview with him about his attempt.

Timothy Olson Sets the Men’s Supported Pacific Crest Trail FKT

By Alex Potter 5 comments

Timothy Olson sets a new men’s supported Pacific Crest Trail fastest known time.

Joe McConaughy Post-Arizona Trail Supported FKT Interview

By Meghan Hicks 4 comments

An interview with Joe McConaughy after he set a new men’s supported fastest known time on the Arizona Trail in 2021.

Sabrina Stanley Post-Nolan’s 14 Women’s Overall Fastest Known Time #2 Interview

By Meghan Hicks 47 comments

An interview with Sabrina Stanley after she set the Nolan’s 14 fastest known time for the second time.

Mike McKnight Post-Colorado Trail Men’s Supported Fastest Known Time Interview

By Meghan Hicks 2 comments

An interview with Mike McKnight after he set a men’s supported fastest known time on the Colorado Trail.

This One’s for the Ladies: Meghan Hicks’s 2020 Nolan’s 14 FKT Report

By Meghan Hicks 26 comments

Meghan Hicks’s report from setting the women’s supported Nolan’s 14 FKT in 2020.

Meghan Hicks Post-Nolan’s 14 Women’s FKT Interview

By Bryon Powell 41 comments

A video interview (with transcript) with Meghan Hicks after she set the overall women’s fastest known time for the Nolan’s 14 line.

Kaytlyn Gerbin Post-Wonderland Trail Women’s Supported Fastest Known Time Interview

By Meghan Hicks Leave a reply

An interview with Kaytlyn Gerbin after her women’s supported FKT on the Wonderland Trail.

Tyler Green Post-Wonderland Trail Men’s Supported Fastest Known Time Interview

By Meghan Hicks Leave a reply

An interview with Tyler Green after his men’s supported FKT on the Wonderland Trail.

Dylan Bowman Post-Wonderland Trail Men’s Supported Fastest Known Time Interview

By Meghan Hicks 2 comments

An interview with Dylan Bowman after his men’s supported FKT on the Wonderland Trail.

Mikaela Osler Post-Colorado Trail Women’s Self-Supported Fastest Known Time Interview

By Hannah Green 13 comments

An interview with Mikaela Osler after her women’s self-supported FKT on the Colorado Trail.

Sabrina Stanley Post-Nolan’s 14 Women’s Overall Fastest Known Time Interview

By Meghan Hicks 4 comments

A written interview with Sabrina Stanley after she set the overall women’s fastest known time for the Nolan’s 14 line.

Andrea Sansone Post-Nolan’s 14 Women’s Overall Fastest Known Time Interview

By Meghan Hicks 1 comment

A written interview with Andrea Sansone after she set the overall women’s fastest known time for the Nolan’s 14 line.

Beth Pascall Post-Bob Graham Round Fastest Known Time Interview

By Meghan Hicks 5 comments

An interview with Beth Pascall after she set the women’s fastest known time on the Bob Graham Round in England.

Sarah Hansel Post-Nolan’s 14 Unsupported and Overall Fastest Known Time Interview

By Meghan Hicks 5 comments

A written interview with Sarah Hansel after she set the unsupported and overall women’s fastest known times for the Nolan’s 14 line.

Joey Campanelli Post-Nolan’s 14 Unsupported and Overall Fastest Known Time Interview

By Meghan Hicks 6 comments

A written interview with Joey Campanelli after he set the unsupported and overall fastest known time for the Nolan’s 14 line.

Meet Coree Woltering: On His Ice Age Trail FKT and Diversity

By Morgan Tilton 47 comments

An in-depth profile of trail ultrarunner Coree Woltering.

What Makes an FKT?

By Andy Jones-Wilkins 6 comments

AJW writes about the section of the Appalachian Trail through Shenandoah National Park in Virginia.

Joe Grant Post-Nolan’s 14 Unsupported Fastest Known Time Interview

By Meghan Hicks 7 comments

A written interview with Joe Grant after he set the unsupported fastest known time for the Nolan’s 14 line.

Alex Nichols Post-Nolan’s 14 Supported Fastest Known Time Interview

By Meghan Hicks 3 comments

A written interview with Alex Nichols after he set the supported fastest known time for the Nolan’s 14 line.

‘Canyon Cat:’ Cat Bradley’s Grand Canyon R2R2R FKT Report

By Guest Writer 15 comments

Cat Bradley’s report from setting the Grand Canyon Rim-to-Rim-to-Rim fastest known time in 2017.

François D’haene’s Supported John Muir Trail FKT Interview

By Meghan Hicks 30 comments

An interview with François D’haene after his supported John Muir Trail FKT.

Joe McConaughy’s Appalachian Trail Self-Supported FKT Interview

By Eric Senseman 27 comments

An interview with Joe McConaughy after his Appalachian Trail self-supported FKT.

Iker Karrera Post-Nolan’s 14 Fastest Known Time Interview

By Meghan Hicks 9 comments

A written interview with Spain’s Iker Karrera after he set the fastest known time for the Nolan’s 14 line.

Jim Walmsley’s Grand Canyon R2R2R (And R2R!) FKT Report

By Guest Writer 47 comments

Jim Walmsley’s report from his Grand Canyon Rim-to-Rim and Rim-to-Rim-to-Rim FKTs.

Karl Meltzer 2016 Appalachian Trail FKT Interview

By Bryon Powell 1 comment

An interview with Karl Meltzer after his record-setting performance on the Appalachian Trail.

See More Articles

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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

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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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