Ultra Running Hub

Ultra Running Hub

Discover races. Train smart. Gear up.

2312 Races

6 Distances

6 Terrains

PULSE

race New race: Backyard Ultra Zagłębie (POL)

race New race: Extremo Tucuman Tafi 75k (ARG)

race New race: Floripa Ultra Trail Run 100km (BRA)

gear Top rated: Salomon S/Lab Ultra 3

gear Top rated: HOKA Speedgoat 6

news UTMB 2026 registration is now open

stat 2312 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. 134 races 3 — 6 Challenging Real climbing or real distance. Needs a plan. 286 races 6 — 8.5 Hardcore Night sections, aid strategy, a crew helps. 169 races 8.5 — 10 Elite / extreme The ones people build a season around. 105 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. 1,618 races

Grit is scored for 694 of 2,312 races. The rest are missing a climb, not flat.

Quantify your grit

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

Setup Training Profile

Featured Races

View all races →

BackyardBackyard

Backyard Ultra Zagłębie

Dabrowa Gornicza, POL

Fixed Distance50 mi

Extremo Tucuman Tafi 75k

Tucuman, ARG

Fixed Distance100KRolling

Floripa Ultra Trail Run 100km

Florianopolis, SC, BRA

100 km 3,157 m D+ Sep 18

Fixed Distance50KMountain

Kyoto Grand Traverse

Osaka City, JPN

59 km 3,180 m D+ Sep 18

Fixed Distance100KMountain

Paraty by UTMB - UTSB 110

Paraty, Rj, BRA

108 km 4,850 m D+ Sep 18

Red River Ultrafest

Moorhead, MN, USA

Training Plans

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

Bucket List Collections

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

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

★★★★★ 4.7

La Sportiva

Jackal II

Mountain-focused ultra shoe with FriXion XF outsole for aggressive grip.

$165 ★★★★★ 4.6

Latest Articles

All articles →

Upcoming Ultras: 16 Races to Watch in the Next 30 Days

16 standout ultramarathons in the next 30 days — headlined by Sörmlands 100 - 100mi on Sep 11.

Conquer the Catedrais 70km: Your Base Building Plan

This blog post outlines a base-building plan for the 70km Desafio Das Catedrais trail race.

100km Ultra Maratona Campos Gerais: Build Your Base

Build a strong aerobic foundation and core strength through consistent, easy runs and dedicated strength training. Focus on durability and resilience for the Ultra Maratona Campos Gerais 100km.