Lastest Articles

2021 Marathon des Sables Results: El Morabity Brothers, Aziza Raji Dazzle

Results from the 2021 Marathon des Sables, won by Moroccans Rachid El Morabity and Aziza Raji.

A 12-Hour Day at the Red Barn Challenge

AJW recounts his race at the 12-hour Red Barn Challenge in Pennsylvania.

New Balance Fresh Foam Hierro v6 Review

A review of the New Balance Fresh Foam Hierro v6.

Get to Know Trail Running Diversity Leaders Laura Cortez and the Trailtinos

An in-depth profile of Laura Cortez, founder of Trailtinos and a diversity leader in the trail running community.

Masterful Execution: Stories of Age-Group Running at the 2021 Wasatch Front 100 Mile

Liza Howard details a number of masters runners’ experiences at the 2021 Wasatch Front 100 Mile.

In Three Weeks, Will Renwick Runs Across Entirety of Wales, Climbs all 189 Peaks

From September 10 to October 4, Welsh ultrarunner Will Renwick ran 500 miles and summited 189 peaks across his home country.

Reconsidering Your Time Off after a Season of Running

Coach Alex Nichols talks about the importance of time off after a big race or training block, and how it should vary based upon a runner’s specific needs.

New IAU World Record Guidelines for 2022

The IAU’s new World Records Guidelines, effective Jan. 1, 2022, cover ratification rules, proving standards, and more.

Runner Dies During the 2021 Marathon des Sables; Third Death in Race’s 35-Year History

A French ultrarunner has passed away during the 2021 Marathon des Sables.

This Week In Running: October 4, 2021

This Week In Running’s trail and ultra recap for October 4, 2021.

Anton Krupicka Returns to the Leadville 100 Mile

In 2021, Anton Krupicka returned to the Leadville 100 Mile, his first ultramarathon since 2015.

Trail Love Letter: The Wild Oak Trail

AJW’s trail love letter to the Wild Oak Trail, one of the most challenging trails on the U.S. East Coast.

From Mountaineering to Mountain Trails: Kailas’s Journey to Trail Running

A look at Kailas’s journey from trekking and mountaineering to trail running.

Hitting the High Points: A Profile of Runner and New Father Stian Angermund

In our newly revived column on some of the top athletes in trail running, we talk to Stian Angermund about Norway, family, jazz, and cheese.

Des Linden’s Journey to the 50k World Record

Watch this video about Des Linden setting the women’s 50k world record earlier this year.

Running in Eden

An ode to a beautiful run – and a fall – as fall approaches.

Training for the Trail, Part 2: Long Runs

An introduction to long runs and how to execute them in your trail running training.

This Week In Running: September 27, 2021

This Week In Running’s trail and ultra recap for September 27, 2021.

Running Through Grief

AJW tells us about running through grief after the recent death of his father.

Salomon S/Lab Ultra 3 Review

A video review of the Salomon S/Lab Ultra 3.

Brighten Your Runs with a Petzl Headlamp

Petzl headlamps are among the best for your nighttime trail running and ultrarunning adventures.

Trailhead Vehicles: Pri the Prius

Bryon Powell tells us about his beloved Prius, which has taken him on huge road trips, facilitated a lower-impact lifestyle, and helped build iRunFar into what it is today.

What the Heck is Heart Rate Variability?

iRunFar digs into the details and implications of heart rate variability for endurance runners.

This Week In Running: September 20, 2021

This Week In Running’s trail and ultra recap for September 20, 2021.

2021 Run Rabbit Run 100 Results: Dave Stevens, Addie Bracy Win

Results from the 2021 Run Rabbit Run Mile, won by Dave Stevens and Addie Bracy.

Near and Far

Zach Miller talks about running with a headlamp, and the different points of view we may gain or lose.

The Trappings of Magnanimity

Sabrina Little explores the virtue of magnanimity and how to avoid its vices in running.

The 10 Commandments of Healthy Running

These commandments of healthy running will lead you to a lifetime of fast and far running.

See You in Palisades Tahoe: The Western States 100 Start Line Location is Renamed

Officials of the California ski resort formerly known as Squaw Valley adopted a new name, Palisades Tahoe.

This Week In Running: September 13, 2021

This Week In Running’s trail and ultra recap for September 13, 2021.

Trail Love Letter: The McKenzie River Trail

AJW writes a trail love letter to the McKenzie River Trail in Oregon.

Tifosi Salvo Sunglasses Review

A review of the Tifosi Salvo running sunglasses.

Changing Race Swag with Trees Not Tees

Jim Mann and Jade Rein founded Trees Not Tees to reduce waste from races and plant trees along the way.

Rainy With a Chance of Sun

An essay about when life and running feel a bit rainy.

An Afternoon Ember

Bryon Powell writes about seeing (and fanning) the embers of his running passion while the sport is a lesser priority.

This Week In Running: September 7, 2021

This Week In Running’s trail and ultra recap for September 7, 2021.

The Run Commute

Coach Alex Nichols writes about how run commuting can help balance our run training with the rest of our lives.

The Mystery of American Men at UTMB

AJW muses with other ultrarunning experts about the lack of American men on the podium at UTMB in recent years.

Columbia Escape Ascent Review

A review of the Columbia Escape Ascent trail running shoes.

Aleksandr Sorokin, 24-Hour World Record Holder, Interview

A written interview with Aleksandr Sorokin after he set the 24-hour world record at the 2021 UltraPark Weekend 24 Hour race in Poland.

Bertha Lotje Woehl on Finding Happiness and Pushing Boundaries

Bertha Lotje Woehl tells us about finding community and happiness through running later in life.

2021 UTMB Photo Gallery

A photo gallery from the 2021 UTMB by photographer Ben Clark.

Trailhead Vehicles: Ms. Beastly and Squeaks

A tale of Ms. Beastly and Squeaks, two vehicles that get Alex Potter where she needs to go.

A Haiku for Trail Running

A haiku for trail running, by Robert Busby.

This Week In Running: August 30, 2021

This Week In Running’s trail and ultra recap for August 30, 2021.

Courtney Dauwalter, 2021 UTMB Champion, Interview

A video interview (with transcript) with Courtney Dauwalter after her win at the 2021 UTMB.

François D’haene, 2021 UTMB Champion, Interview

A video interview (with transcript) with François D’haene after his win at the 2021 UTMB.

Camille Bruyas Post-2021 UTMB Interview

A video interview (with transcript) with Camille Bruyas after her second-place finish at the 2021 UTMB.

Aurélien Dunand-Pallaz Post-2021 UTMB Interview

A video interview (with transcript) with Aurélien Dunand-Pallaz after his second-place finish at the 2021 UTMB.

Mimmi Kotka Post-2021 UTMB Interview

A video interview (with transcript) with Mimmi Kotka after her third-place finish at the 2021 UTMB.

Mathieu Blanchard Post-2021 UTMB Interview

A video interview (with transcript) with Mathieu Blanchard after his third-place finish at the 2021 UTMB.

Aleksandr Sorokin Runs New 24-Hour World Record

Lithuania’s Aleksandr Sorokin sets the 24-hour world record by running 309.400 kilometers (to be confirmed).

2021 UTMB Results: D’haene Earns Fourth Win and Dauwalter a Course Record

Results from the 2021 UTMB, won by François D’Haene and Courtney Dauwalter.

2021 CCC Results: Molist and Garrivier Win

Results from the 2021 CCC at the UTMB festival of races.

iRunFar’s Altra Lone Peak 5 Giveaway (U.S. only)

Win one of three pairs of Altra Lone Peak 5 trail running shoes. (U.S. only)

Fifteen Years of Competitive Longevity

AJW discusses competitive longevity at ultrarunning and great successes over a decade apart.

2021 OCC Results: Albon and L’Hirondel Set Course Records

Results from the 2021 OCC at the UTMB festival of races.

La Sportiva Karacal Review

A review of the La Sportiva Karacal.

Ragna Debats Pre-2021 UTMB Interview

A video interview (with transcript) with Ragna Debats before the 2021 UTMB.

2021 TDS Results: Krogvig and Bohard Win, Tragedy Strikes Race

Results from the 2021 TDS at the UTMB festival of races.

Xavier Thévenard Pre-2021 UTMB Interview

A video interview (with transcript) with Xavier Thévenard before the 2021 UTMB.

François D’Haene Pre-2021 UTMB Interview

A video interview (with transcript) with François D’Haene before the 2021 UTMB.