It’s UTMB week! Read all about it in our in-depth results article, and watch Tom’s and Ruth’s post-race interviews!

Lastest Articles

Ultrarunning Website Run100s.com Celebrates 30th Birthday

Popular ultrarunning database Run100s.com celebrates 30 years.

When Competitive Days End

Sabrina Little’s thoughts on when running takes a back seat to other priorities.

Shokz OpenFit Air Review

An in-depth review of the Shokz OpenFit Air running headphones.

This Week In Running: May 19, 2025

This Week in Running’s trail and ultra recap for May 19, 2025.

The 2025 REI Co-op Anniversary Sale Is Here

Check out these amazing deals on gear from your favorite running and outdoor brands.

Uncharted Waters

Zach Miller’s thoughts on trying new training routes and generally brazing new things.

CamelBak Ultra Belt 17oz Review

An in-depth review of the CamelBak Ultra Belt 17oz running belt.

Collecting Strength: May Your Cookie Jar Overfloweth

Bryon Powell reflects on how two concepts in David Goggins’ book “Can’t Hurt Me” — the calloused mind and the cookie jar — mesh with his own concept of collecting strength in overcoming adversity.

Back to the Future: The Relaunch of the Hoka Speedgoat 2

Hoka relaunches the Speedgoat 2, or is it the Hoka One One Speedgoat 2?

Core Mobility: Powering Your Run with Active Trunk and Scapular Mobility

Physiotherapist Joe Uhan offers two exercises to enhance core mobility.

This Week In Running: May 12, 2025

This Week in Running’s trail and ultra recap for May 12, 2025.

Anne-Lise Rousset Séguret, 2025 Transvulcania Ultramarathon Champion, Interview

A video interview (with transcript) with Anne-Lise Rousset Séguret after her win at the 2025 Transvulcania Ultramarathon.

Peter Fraňo, 2025 Transvulcania Ultramarathon Champion, Interview

A video interview (with transcript) with Peter Fraňo after his win at the 2025 Transvulcania Ultramarathon.

Ekaterina Mityaeva Post-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Ekaterina Mityaeva after her second-place finish at the 2025 Transvulcania Ultramarathon.

Andreas Reiterer Post-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Andreas Reiterer after his second-place finish at the 2025 Transvulcania Ultramarathon.

Martina Valmassoi Post-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Martina Valmassoi after her third-place finish at the 2025 Transvulcania Ultramarathon.

Manuel Anguita Post-2025 Transvulcania Ultramarathon Interview

A written interview with Manuel Anguita after his third-place finish at the 2025 Transvulcania Ultramarathon.

2025 Transvulcania Ultramarathon Results: Anne-Lise Rousset Séguret and Peter Fraňo Storm to Victory

Results of the 2025 Transvulcania Ultramarathon, which was won by Anne-Lise Rousset Séguret and Peter Fraňo.

Smashing the Record: An Interview with Megan Eckert on Her 6-Day World Record at the 2025 Six Days of France

An interview with Megan Eckert about her women’s six-day world record of 603.155 miles (970.685 kilometers), set at the 2025 Six Days of France.

Running by Feel: An Interview With Ivan Zaborsky on His 6-Day World Record at the 2025 Six Days of France

An interview with Ivan Zaborsky about his men’s six-day world record of 650.919 miles (1,047.554 kilometers), set at the 2025 Six Days of France race.

Running and Aging: Doing Scary Things

AJW shares his thoughts about the 2025 Cocodona 250 Mile, his longest race to date.

Peter Fraňo Pre-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Peter Fraňo before the 2025 Transvulcania Ultramarathon.

2025 Cocodona 250 Mile Results: Dan Green and Rachel Entrekin Set New Course Records

Dan Green and Rachel Entrekin set new course records in wet, wild, and muddy conditions in Arizona.

Pablo Villa Pre-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Pablo Villa before the 2025 Transvulcania Ultramarathon.

David Sinclair Pre-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with David Sinclair before the 2025 Transvulcania Ultramarathon.

Ekaterina Mityaeva Pre-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Ekaterina Mityaeva before the 2025 Transvulcania Ultramarathon.

Observations on Spring

Hannah Green offers some observations on the beauty of spring.

Martina Valmassoi Pre-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Martina Valmassoi before the 2025 Transvulcania Ultramarathon.

Ruth Croft Pre-2025 Transvulcania Ultramarathon Interview

A video interview (with transcript) with Ruth Croft before the 2025 Transvulcania Ultramarathon.

2025 Transvulcania Ultramarathon Live Coverage

iRunFar’s live coverage from the 2025 Transvulcania Ultramarathon, held on La Palma, in the Canary Islands, on Saturday, May 10.

Nike Vomero 18 Review

An in-depth review of the Nike Vomero 18 road running shoe.

2025 Transvulcania Ultramarathon Men’s Preview

An in-depth preview of the men’s race at the 2025 Transvulcania Ultramarathon on La Palma, in the Canary Islands.

2025 Transvulcania Ultramarathon Women’s Preview

An in-depth preview of the women’s race at the 2025 Transvulcania Ultramarathon on La Palma, in the Canary Islands.

This Week In Running: May 5, 2025

This Week in Running’s trail and ultra recap for May 5, 2025.

Megan Eckert and Ivan Zaborsky Set Women’s and Men’s 6-Day Running World Records

Megan Eckert and Ivan Zaborsky set new women’s and men’s six-day world records at the 2025 Six Days of France.

AJW’s Gear and Equipment for the 2025 Cocodona 250 Mile

AJW details the gear he will be using for the upcoming 2025 Cocodona 250 Mile.

How Tariffs Could Reshape the Cost and Culture of Running

New tariffs on imported goods threaten to raise the cost of everything from running shoes to hydration packs in the U.S. in a way that experts say could drastically reshape the running industry.

Best Running Belts of 2025

A guide to the best running belts and waistpacks for road running, trail running, and ultrarunning.

Teamwork: Visually Impaired Athlete Lisa Thompson and Guide Runner Alexi Pappas at the 2025 Boston Marathon

Insights from Lisa Thompson, winner of the T13 division for visually impaired athletes at the 2025 Boston Marathon, and her guide runner, Olympian Alexi Pappas.

Diversifying the Trails: A Conversation with Mirna Valerio

A profile of ultrarunner, running retreat leader, and DEI activist Mirna Valerio.

From Shakeout to Shakeup: Artificial Intelligence and Trail Running

A look at how AI can impact the world of trail running and ultrarunning.

CamelBak Zephyr Pro Vest Review

An in-depth review of the CamelBak Zephyr Pro Vest running vest.

This Week In Running: April 28, 2025

This Week in Running’s trail and ultra recap for April 28, 2025.

2025 Canyons by UTMB 100k Results: Wins by Emily Hawgood and Francesco Puppi

Results from the 2025 Canyons by UTMB 100k won by Emily Hawgood and Francesco Puppi.

2025 Madeira Island Ultra-Trail Results: Paul Cornut-Chauvinc and Katie Schide Win

Results from the 2025 Madeira Island Ultra-Trail 115k, won by Paul Cornut-Chauvinc and Katie Schide.

Näak Boost Energy and Ultra Energy Bundle Giveaway

Win a bundle of Näak performance nutrition bars, gels, mixes, and more!

Des Linden Announces Retirement from Road Running and a Move to Trails

Elite marathoner and women’s 50k world record holder, Des Linden, announces her retirement from road running and a move into trail running.

Legendary Aid Stations: Crown King at the Cocodona 250 Mile

The fourth article in a series honoring legendary aid stations looks at the Crown King aid station on the Cocodona 250 Mile course in Arizona.

I Found My Breath

A poem by reader and runner, Angie Funtanilla.

Best Ultralight Sleeping Pads of 2025

Here are the best ultralight sleeping pads for fastpacking and ultralight backpacking available today.

Race Yourself Fit: Tips from Top Runners at the 2025 Lake Sonoma 50 Mile

How to utilize early season racing as training for year-long success, with anecdotes from Tara Dower, Stephen Kersh, and other top runners at the 2025 Lake Sonoma 50 Mile.

Ask the Pro: Fastpacking, Choosing Goal Races, and Unburdening Sore Calves

Gabe Joyes answers your questions on all things trail running.

Patagonia Slope Runner Vest Review

An in-depth review of the Patagonia Slope Runner Vest.

Humans Still Tops: Results of the Human Versus Robot Half Marathon in Beijing

Here are results from the 2025 Beijing humans versus robots half marathon. While humans may have won the race, robots won some hearts.

This Week In Running: April 21, 2025

This Week in Running’s trail and ultra recap for April 21, 2025.

The Right Goal

Zach Miller advocates for a balanced approach when setting and sticking to goals.

Reaching New Heights: A Conversation with Riley Brady

A profile of U.S. ultrarunner, Riley Brady.

Brooks Catamount 4 Review

An in-depth review of the Brooks Catamount 4 trail running shoe.

Nine Months: Running While Pregnant

Nearing the end of her third pregnancy, Sabrina Little offers advice and insights on running during pregnancy.

Small Study Suggests Carbon-Plated Trail Running Shoes Might Not Help on Uphills

New study conducted on effectiveness of carbon plates in trail run shoes — maybe not as effective as we would like.

Hoka Clifton 10 Review

An in-depth review of the Hoka Clifton 10 road running shoe.

How to Fuel a Memory

One reader shares some memories of adventures with loved ones, centered around food.