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All the latest in trail running.

Trail Race GPX Download Done Right
Featured Published on 28/05/2026

Trail Race GPX Download Done Right

A trail race GPX download is only as useful as the analysis behind it. What to check, how to train with it, and where GPX alone falls short.

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Aid Station Pacing Strategy That Holds Up
Featured Published on 01/06/2026

Aid Station Pacing Strategy That Holds Up

Average pace lies to you the moment the trail gets steep. Build an aid station pacing strategy around real segments - terrain, cutoffs, fueling, and fatigue - so your race plan still holds up deep into the mountains.

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How to Use a COROS GPX Race Route

Published on 04/06/2026

How to Use a COROS GPX Race Route

Loading a course file onto your watch is the easy part. Here's how to verify a COROS GPX race route, use it for pacing, and pair it with elevation and aid-station context so it sharpens your race instead of giving you false confidence.

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Garmin Trail Race Course Setup That Works

Published on 03/06/2026

Garmin Trail Race Course Setup That Works

Loading a GPX onto your watch isn't enough. Here's how to build a Garmin trail race course that actually supports navigation, pacing, climbs, aid stations and cutoffs — before race day gets expensive.

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Ultra Marathon Cutoff Calculator Guide

Published on 02/06/2026

Ultra Marathon Cutoff Calculator Guide

A cutoff rarely catches you because you were unfit — it catches you because your pacing plan ignored the climbs, the aid stations, and the late-race fatigue. Here’s how to use an ultra marathon cutoff calculator as a real race tool, segment by segment, instead of a hopeful average.

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How to Read a Trail Race Elevation Profile

Published on 31/05/2026

How to Read a Trail Race Elevation Profile

A trail race elevation profile holds far more than total gain — it shows where to hold back, where to fuel, and where the course will quietly wreck your day. Here is how to read one like a race briefing instead of poster art.

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How to Pace an Ultramarathon Right

Published on 30/05/2026

How to Pace an Ultramarathon Right

Average pace means almost nothing on a mountain ultra. Here's how to build a pacing plan around terrain, effort and aid stations - so you finish strong instead of fading after the first big climb.

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3D Trail Race Map: What to Look For

Published on 29/05/2026

3D Trail Race Map: What to Look For

A flat course profile looks fine until mile 40. A 3D trail race map shows what the terrain will actually feel like - here's what to look for, and what separates a genuinely useful map from a pretty graphic.

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Mozart 100 by UTMB 2026: Complete Results, Weather Chaos, and Social Media Reactions

Published on 25/05/2026

Mozart 100 by UTMB 2026: Complete Results, Weather Chaos, and Social Media Reactions

The first edition of the Mozart 100 by UTMB in Fuschl am See delivered spectacular racing across five distances — and punishing weather. With rain showers, over 660 DNFs, and 2,337 finishers conquering the Salzkammergut mountains, here is the full race debrief.

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mozart 100 by UTMB 2026: Our Favorites, Weather and Weekend Program

Published on 22/05/2026

mozart 100 by UTMB 2026: Our Favorites, Weather and Weekend Program

The Salzkammergut hosts the mozart 100 by UTMB this Saturday under bluebird skies. Here are the elite favorites, weather outlook, key difficulties and full weekend program.

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UTS, UTA, Trail Alsace 2026: Weekend Recap, Winners and Race-Day Analysis

Published on 20/05/2026

UTS, UTA, Trail Alsace 2026: Weekend Recap, Winners and Race-Day Analysis

A continent-spanning weekend of UTMB World Series racing delivered a shattered course record in Wales, a hometown coronation in Alsace, and a fully international podium sweep in the Blue Mountains. Here is the in-depth analysis.

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Ultra-Trail Snowdonia by UTMB 2026: Favorites, Weather and Course Preview

Published on 13/05/2026

Ultra-Trail Snowdonia by UTMB 2026: Favorites, Weather and Course Preview

From May 15 to 17, the toughest UTMB World Series race in the UK returns to Llanberis. Official start lists are out — here are our favorites for each race, the expected weather and what makes the Snowdonia courses so brutal.

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Ultra-Trail Australia by UTMB 2026: favorites, weather and course preview

Published on 12/05/2026

Ultra-Trail Australia by UTMB 2026: favorites, weather and course preview

Australia's biggest trail running weekend returns to the Blue Mountains from 14 to 17 May. A look at the favorites across the Miler, 100K and 50K, the forecast that could shape race tactics, and what makes Katoomba one of the hardest stops on the UTMB World Series.

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Trail Alsace Grand Est by UTMB 2026: Favorites, Course and Weather Preview

Published on 11/05/2026

Trail Alsace Grand Est by UTMB 2026: Favorites, Course and Weather Preview

Spehler and Bannwarth lead the 100 Miles, Polin lurks on the Celtes: complete preview of the 2026 Trail Alsace Grand Est by UTMB, May 14 to 17 in Obernai.

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Cocodona 2026: Rachel Entrekin Makes History as First Woman to Win Outright

Published on 10/05/2026

Cocodona 2026: Rachel Entrekin Makes History as First Woman to Win Outright

Rachel Entrekin shattered the overall course record to become the first woman ever to win the Cocodona 250 outright, while Kilian Korth set a new men's record across Arizona's brutal 253-mile point-to-point on May 4, 2026. A full recap of every Cocodona-week race.

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Transvulcania Terrex 2026: favorites, weather, and the volcanic challenge ahead

Published on 07/05/2026

Transvulcania Terrex 2026: favorites, weather, and the volcanic challenge ahead

La Palma stages its 16th edition this weekend with a stacked elite field, a classic Atlantic weather window, and a course that still hides plenty of teeth.

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Oh Meu Deus by UTMB 2026: Portugal's UTMB debut delivers a course record and a French duel

Published on 04/05/2026

Oh Meu Deus by UTMB 2026: Portugal's UTMB debut delivers a course record and a French duel

Portugal made its UTMB World Series debut with 2,000 athletes from 62 nations. Course record by Rubén Diéguez on the 100M and a thrilling French duel on the 100K won by Thibault Athané over Thibaut Garrivier.

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Amazean Jungle Thailand by UTMB 2026: rain-soaked Betong crowns five new champions

Published on 04/05/2026

Amazean Jungle Thailand by UTMB 2026: rain-soaked Betong crowns five new champions

Heavy rain, 4,664 runners from 54 countries, and a fast French-Slovak-Chinese-Thai cast on the podiums. Recap of the 2026 Amazean Jungle Thailand by UTMB.

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Oh Meu Deus by UTMB 2026: Favorites, Weather and Principal Difficulties

Published on 01/05/2026

Oh Meu Deus by UTMB 2026: Favorites, Weather and Principal Difficulties

The 15th edition becomes Portugal's first UTMB World Series event from May 1 to 3, 2026, gathering nearly 2,000 runners from 62 nations across the Serra da Estrela. Here are the runners to watch, the weather forecast and the key difficulties of the four distances.

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Amazean Jungle Thailand by UTMB 2026: Favorites, Weather, and Course Difficulties

Published on 30/04/2026

Amazean Jungle Thailand by UTMB 2026: Favorites, Weather, and Course Difficulties

The UTMB World Series returns to Betong from April 30 to May 3, 2026. A preview of the elite favorites, the tropical conditions, and what makes this Thai jungle trail one of Asia's toughest tests.

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MIUT 2026 Results: Esmiol and Hartmuth Rule Madeira

Published on 27/04/2026

MIUT 2026 Results: Esmiol and Hartmuth Rule Madeira

On a 17th edition that finally found its original course again, Vincent Esmiol and Katharina Hartmuth dominated the 110 km MIUT Legend. Daniel Jung and Lindsay Allison won the 80 km, while Antoine Charvolin pulled off a stunning 5-day double on the 56 km.

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Grand Raid Ventoux 2026: Symonds and Lemoine Conquer the Giant of Provence

Published on 27/04/2026

Grand Raid Ventoux 2026: Symonds and Lemoine Conquer the Giant of Provence

Andy Symonds and Jennifer Lemoine took the 125 km Ultra Géant crowns, while a violent fall ended Rémi Bonnet's 50 km win bid. Tranchand and Poncet sealed an all-French sweep on the 20 km.

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Canyons Endurance Runs by UTMB 2026: Preview, Elite Field, Weather and the Hardest Sections

Published on 22/04/2026

Canyons Endurance Runs by UTMB 2026: Preview, Elite Field, Weather and the Hardest Sections

Auburn welcomes the UTMB World Series Americas Major on April 23-25. Deep 100K men's field, Golden Tickets at stake, and a surprisingly thin 100M elite roster.

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Puerto Vallarta by UTMB 2026: Belman and Currie conquer a humid Hikuri

Published on 20/04/2026

Puerto Vallarta by UTMB 2026: Belman and Currie conquer a humid Hikuri

Juan Belman (Mexico, 8:45:44) and Mandy Currie (Canada, 12:01:35) topped the Hikuri at the fourth edition of Puerto Vallarta by UTMB, which welcomed 1,800 runners from 45 countries in record heat.

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Puerto Vallarta by UTMB 2026: rescheduled showdown kicks off on the Pacific coast

Published on 15/04/2026

Puerto Vallarta by UTMB 2026: rescheduled showdown kicks off on the Pacific coast

After a six-week postponement, Puerto Vallarta by UTMB returns April 16-18 with a stacked international field tackling the jungles and ridges of the Sierra Madre Occidental.

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Desert RATS 2026 Results: Shellberg, Jackson, and Stack Shine in Fruita

Published on 13/04/2026

Desert RATS 2026 Results: Shellberg, Jackson, and Stack Shine in Fruita

Spencer Shellberg and Heather Jackson dominated the 100K while Taylor Stack and Sarah Carter took the 50K crowns at the 2026 Desert RATS Trail Running Festival in Fruita, Colorado. Mira Rai made a notable appearance in the 21K.

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Istria 100 by UTMB 2026 Results: Gorczyca Dominates 168K, Milata and Ghiano Win

Published on 13/04/2026

Istria 100 by UTMB 2026 Results: Gorczyca Dominates 168K, Milata and Ghiano Win

Poland's Bartosz Gorczyca stormed to a decisive victory in the 168K with over an hour's lead, while Slovakia's Patrik Milata won the 110K and Italy's Gianluca Ghiano took the 69K at the 14th edition of Istria 100 by UTMB in Croatia.

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Istria 100 by UTMB 2026: Elite Startlist, Favorites, and Everything You Need to Know

Published on 10/04/2026

Istria 100 by UTMB 2026: Elite Startlist, Favorites, and Everything You Need to Know

The 13th edition of Istria 100 by UTMB kicks off this weekend in Croatia with nearly 3,200 runners tackling five distances across the stunning Istrian peninsula. Here is our complete preview with favorites, course breakdown, weather forecast, and the toughest sections to watch.

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Desert RATS 2026: Preview, Favorites, and What to Expect in Fruita

Published on 09/04/2026

Desert RATS 2026: Preview, Favorites, and What to Expect in Fruita

The 23rd edition of the Desert RATS Trail Running Festival by UTMB kicks off today in Fruita, Colorado. Here's everything you need to know about the courses, weather, elite runners, and what made last year's edition unforgettable.

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Incredible Drama at the French Trail Championships!

Published on 30/03/2026

Incredible Drama at the French Trail Championships!

On the slopes of Mont Ventoux, six trail long favorites got lost in snow and wind, handing an unexpected title to Florian Bernabeu-Séguy. Pierre Galbourdin and Cécile Jarousseau triumphed in the short trail. In Australia, the Buffalo Stampede delivered thrilling results.

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Weekend Preview: Buffalo Stampede, Behind the Rocks, Mustang Trail and More

Published on 27/03/2026

Weekend Preview: Buffalo Stampede, Behind the Rocks, Mustang Trail and More

From the Australian Alps to the Himalayas, from Moab's red rocks to the shores of Lake Zurich — this weekend's ultra trail calendar spans the globe with the Buffalo Stampede 100km, the Mustang Trail Race, the Behind the Rocks Ultra, and more.

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Ultra Trail Weekend Recap: Chuckanut Upset, EcoTrail Paris Goes Ultra, Patagonian Storm

Published on 25/03/2026

Ultra Trail Weekend Recap: Chuckanut Upset, EcoTrail Paris Goes Ultra, Patagonian Storm

A packed weekend of trail racing featured Andrea Lee's upset at Chuckanut 50k, EcoTrail Paris debuting its first 120k distance, weather-halted races in Patagonia, and Golden Ticket drama in Tuscany.

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Chianti Ultra Trail Day 2: Puppi and Maestri Deliver Italian Masterclass

Published on 22/03/2026

Chianti Ultra Trail Day 2: Puppi and Maestri Deliver Italian Masterclass

Francesco Puppi dominated the Chianti Marathon Trail 46K while Cesare Maestri stormed to victory in the Chianti Half Trail 21K, capping a spectacular weekend of racing in Radda in Chianti.

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Chianti Ultra Trail 2026: Cardin and Dauwalter Smash Course Records, Claim Golden Tickets

Published on 21/03/2026

Chianti Ultra Trail 2026: Cardin and Dauwalter Smash Course Records, Claim Golden Tickets

Thomas Cardin and Courtney Dauwalter each set new course records at the Ultra Trail Chianti Castles 120K, earning Western States Golden Tickets. Andrzej Witek and Elísa Kristinsdóttir dominated the 75K, while the festival kicked off with Samuel Demetz winning the Wine Run.

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Chianti Ultra Trail 2026: Start List, Favorites, and Weather Preview

Published on 19/03/2026

Chianti Ultra Trail 2026: Start List, Favorites, and Weather Preview

The Chianti Ultra Trail by UTMB returns to Tuscany from March 19–22 with a stacked elite field led by Courtney Dauwalter, Vincent Bouillard, and Francesco Puppi. Here is our complete preview of favorites, start lists, and race-day weather.

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2026 Tenerife Bluetrail Cancellation

Published on 18/03/2026

2026 Tenerife Bluetrail Cancellation

The Tenerife BluTrail 2026 has been officially cancelled. All TrailSight users who purchased the premium feature for one of the races of this event will be exceptionally refunded in full. No action is required on your part — refunds will be processed automatically.

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