Ultra Running Hub

Discover races. Train smart. Gear up.

2111 Races
6 Distances
6 Terrains
PULSE
race New race: Cuesta X Trail - CXT-50 (THA)
race New race: Exmoor Coast Ultra 58 km (North Coast) (GBR)
race New race: Hula Loop 6-Hour Sunday Series - Race 5 (USA)
gear Top rated: Salomon S/Lab Ultra 3
gear Top rated: HOKA Speedgoat 6
news UTMB 2026 registration is now open
stat 2111 races tracked across 40 countries

Browse by Grit

One number, 1 to 10, built from distance and climbing. Not a rating of the race — a measure of what the course asks of you.

1 — 3 Entry level A long day, but a day. First 50K territory. 118 races 3 — 6 Challenging Real climbing or real distance. Needs a plan. 249 races 6 — 8.5 Hardcore Night sections, aid strategy, a crew helps. 146 races 8.5 — 10 Elite / extreme The ones people build a season around. 123 races Not scored Climbing not published The organiser has not published an elevation profile, so we will not guess at one. Distance is all we can tell you. 1,475 races

Grit is scored for 636 of 2,111 races. The rest are missing a climb, not flat.

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Input your recent training volume to calculate your athlete grit score and find races that match your current fitness level.

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Featured Races

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Fixed Distance50K
GRIT 2.5

Cuesta X Trail - CXT-50

Nakorn Ratchasima, THA

50 km Nov 8
Fixed Distance50KMountain
GRIT 6.4

Exmoor Coast Ultra 58 km (North Coast)

Combe Martin, GBR

58 km 2,330 m D+ Nov 8
Timed6 hours
GRIT —

Hula Loop 6-Hour Sunday Series - Race 5

Keller, TX, USA

Nov 8
Fixed Distance50 miMountain
GRIT 9.7

Koshu Alps Haute Route Challenge

Koshu, Yamanashi Pref., JPN

68 km 4,200 m D+ Nov 8
Fixed Distance100KMountain
GRIT 10

Koshu Alps Haute Route Challenge Klesa 108

Koshu, Yamanashi Pref., JPN

108 km 5,905 m D+ Nov 8
Fixed Distance50KMountain
GRIT 7.3

Koshu Alps Haute Route Challenge Lily Route

Koshu, Yamanashi Pref., JPN

55 km 3,009 m D+ Nov 8

Training Plans

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50K Training Plans 100K Training Plans 100 MI Training Plans Nutrition Race-Day Fueling

Bucket List Collections

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Alpine Classics Mountain ultras in France, Italy, Switzerland, Austria and Slovenia with at least 1,000 m of climbing. Desert Survival Sand, heat and self-sufficiency — from Badwater and Marathon des Sables to the Sahara and the American Southwest. Fast 100-Milers 100-mile races the organiser expects you to finish in 30 hours or less — the fastest end of the distance.

Top Trail Shoes

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Salomon

S/Lab Ultra 3

Premium ultra trail shoe with Advanced Chassis for stability on technical terrain.

$200 ★★★★★ 4.8

HOKA

Speedgoat 6

Max-cushion trail shoe with Vibram Megagrip outsole, ideal for rocky mountain terrain.

$155 ★★★★★ 4.7

Adidas

Adizero Evo SL

RunRepeat found the Adidas Adizero Evo SL to be lightweight and well-cushioned, with a 100% Lightstrike Pro midsole and world-class Continental outsole. irunfar…

★★★★★ 4.7

Asics

Trabuco Max 2

★★★★★ 4.7

Latest Articles

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Conquer Boyers Furnace: Your 40-Mile Base Building Plan

This blog post details a 40-mile base-building plan for the Boyers Furnace race, emphasizing consistent low-intensity running, strength training, and trail specificity.

100km Ready: Base Training for Across The Years

Base training for the flat, repetitive 100km Across The Years race focuses on building aerobic capacity and musculoskeletal resilience through consistent, low-intensity runs and targeted strength work…

Conquer Coldwater Rumble: 100k Base Training

This post outlines essential base training for the Coldwater Rumble 100k, focusing on aerobic development, trail acclimation, strength, and nutrition.