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The hardest races in the world

66 upcoming across 4 sports

The toughest events we index, including races most people enter to survive rather than to place. Deep fields, brutal courses, or both.

Levels

By sport

Upcoming

swimming
6 NOV · FRI

World Aquatics Open Water Swimming World Cup 2026/27

Cancún, Mexico10K Marathon Swim
WorldElite
trailClosed
6 NOV · FRI

Ultra-Trail Shudao by UTMB®

Guangyuan, China100K · 50K · 20K
NationalElite
triathlon
7 NOV · SAT

IRONMAN Florida

Panama City Beach, United StatesFull Distance / 140.6
ContinentalElite
ocr
7 NOV · SAT

2026 SLO CAL Spartan Trifecta Weekend

Santa Margarita, United StatesSprint · Super · Beast · Ultra
RegionalElite
trailOpen
13 NOV · FRI

Translantau™ by UTMB®

Lantau Island, Hong Kong50K · 100K · 20K
NationalElite
trail
18 NOV · WED

Patagonia BARILOCHE by UTMB

BARILOCHE, Argentina20K · 50K · 100K · 100 Miles
NationalElite
triathlon
21 NOV · SAT

IRONMAN Malaysia

Langkawi, MalaysiaFull Distance / 140.6 · Half / 70.3
ContinentalElite
ocr
21 NOV · SAT

2026 Carolinas Spartan Trifecta Weekend

Newberry, United StatesSprint · Super · Beast · Ultra
RegionalElite
triathlon
22 NOV · SUN

IRONMAN Cozumel

Cozumel, MexicoFull Distance / 140.6
ContinentalElite
trail
26 NOV · THU

Ultra-Trail Kosciuszko by UTMB

Thredbo, Australia100 Miles · 100K · 50K · 20K
NationalElite
trailOpen
27 NOV · FRI

HOKA Chiang Mai Thailand by UTMB®

PAO Park, Thailand50K · 20K · 100 Miles · 100K
NationalElite
triathlon
29 NOV · SUN

IRONMAN Valdivia

Valdivia, ChileFull Distance / 140.6 · Half / 70.3
ContinentalElite
triathlon
5 DEC · SAT

IRONMAN Oman

Muscat, OmanFull Distance / 140.6
ContinentalElite
triathlon
6 DEC · SUN

IRONMAN Western Australia

Busselton, AustraliaFull Distance / 140.6 · Half / 70.3
ContinentalElite
trailOpen
10 DEC · THU

Oman by UTMB®

Oman, Oman100 Miles · 20K · 50K · 100K
NationalElite
trailOpen
7 JAN · THU

Vietnam Highlands Trail by UTMB

Vietnam, Vietnam100K · 50K · 20K
NationalElite
trailOpen
22 JAN · FRI

Arc of Attrition by UTMB®

Perranporth, United Kingdom100 Miles · 100K · 50K · 20K
NationalElite
triathlon
29 JAN · FRI

Israman Challenge

Eilat, IsraelFull Distance / 140.6
NationalElite
triathlon
31 JAN · SUN

IRONMAN Nelson Mandela Bay

Port Elizabeth, South AfricaHalf / 70.3
ContinentalElite
trailOpen
13 FEB · SAT

Tarawera Ultra-Trail by UTMB

Rotorua, New Zealand100 Miles · 100K · 50K · 20K
NationalElite
trailOpen
4 MAR · THU

Puerto Vallarta by UTMB®

Puerto Vallarta, Mexico50K · 20K · 100K
NationalElite
trailOpen
5 MAR · FRI

Xtrail by UTMB®

Kenting, Taiwan50K · 20K · 100K
NationalElite
triathlon
6 MAR · SAT

IRONMAN New Zealand

Taupo, New ZealandFull Distance / 140.6 · Half / 70.3
ContinentalElite
trailOpen
18 MAR · THU

Chianti Ultra Trail by UTMB

Radda in Chianti, Italy100 Miles · 100K · 50K · 20K
NationalElite
trailOpen
1 APR · THU

Istria 100 by UTMB

Umag, Croatia20K · 100K · 50K · 100 Miles
NationalElite
trailOpen
8 APR · THU

Desert RATS Trail Running Festival by UTMB

Fruita, United States50K · 20K · 100K
NationalElite
trailOpen
8 APR · THU

Tenerife Bluetrail by UTMB®

Puerto de La Cruz - Tenerife, Spain100 Miles · 50K · 20K · 100K
NationalElite
trail
9 APR · FRI

Hiroshima Ultra-Trail by UTMB®

Hiroshima, Japan100K · 50K · 20K
NationalElite
triathlon
18 APR · SUN

IRONMAN South Africa, Mossel Bay

Mossel Bay, South AfricaFull Distance / 140.6
ContinentalElite
trailOpen
22 APR · THU

The Canyons Endurance Runs™ by UTMB®

Auburn, United States20K · 50K · 100K · 100 Miles
NationalElite
trail
23 APR · FRI

Grand Raid Ventoux by UTMB

Malaucène, France100K · 50K · 20K · 100 Miles
NationalElite
triathlon
24 APR · SAT

IRONMAN Texas

The Woodlands, United StatesFull Distance / 140.6
ContinentalElite
trailOpen
30 APR · FRI

Oh Meu Deus by UTMB

Seia, Portugal20K · 50K · 100K · 100 Miles
NationalElite
trailOpen
13 MAY · THU

Trail Alsace by UTMB

Obernai, France100 Miles · 100K · 50K · 20K
NationalElite
trail
13 MAY · THU

HOKA Ultra-Trail Australia by UTMB

Katoomba, Australia20K · 50K · 100K · 100 Miles
NationalElite
triathlon
15 MAY · SAT

IRONMAN Lanzarote

Lanzarote, SpainFull Distance / 140.6
ContinentalElite
triathlon
16 MAY · SUN

IRONMAN Jacksonville

Jacksonville, United StatesFull Distance / 140.6
ContinentalElite
trailOpen
27 MAY · THU

Mountain Ultra Trail by UTMB

George, South Africa100 Miles · 100K · 20K · 50K
NationalElite
trailOpen
4 JUN · FRI

Ultra Trail Chattanooga by UTMB

Chattanooga Tennessee, United States50K · 20K · 100K
NationalElite
trailOpen
5 JUN · SAT

mozart 100 by UTMB

Fuschl am see, Austria100K · 100 Miles · 50K · 20K
NationalElite
triathlon
6 JUN · SUN

IRONMAN Hamburg

Hamburg, GermanyFull Distance / 140.6
ContinentalElite
trailOpen
10 JUN · THU

Trail 100 Andorra by UTMB

Ordino, Andorra20K · 50K · 100 Miles · 100K
NationalElite
triathlon
13 JUN · SUN

IRONMAN Kaernten-Klagenfurt, Austria

Klagenfurt, AustriaFull Distance / 140.6
ContinentalElite
triathlon
13 JUN · SUN

IRONMAN Brazil

SC, BrazilFull Distance / 140.6 · Half / 70.3
ContinentalElite
triathlon
13 JUN · SUN

IRONMAN Cairns

Cairns, AustraliaFull Distance / 140.6 · Half / 70.3
ContinentalElite
trailOpen
17 JUN · THU

Zugspitz Ultra Trail by UTMB

Garmisch-Partenkirchen, Germany100 Miles · 100K · 50K · 20K
NationalElite
trailOpen
18 JUN · FRI

Trail du Saint Jacques by UTMB

Le Puy en Velay, France100 Miles · 100K · 50K · 20K
NationalElite
triathlon
20 JUN · SUN

Challenge Gdansk

Gdansk, PolandHalf / 70.3
NationalElite
trailOpen
23 JUN · WED

La Sportiva Lavaredo Ultra Trail by UTMB

Cortina d'Ampezzo, Italy100 Miles · 20K · 50K · 100K
NationalElite
triathlon
27 JUN · SUN

IRONMAN Frankfurt

Frankfurt, GermanyFull Distance / 140.6
ContinentalElite
triathlon
27 JUN · SUN

IRONMAN Les Sables d'Olonne-Vendee

Les Sables d'Olonne, FranceFull Distance / 140.6 · Half / 70.3
ContinentalElite
triathlon
4 JUL · SUN

IRONMAN Switzerland Thun

Thun, SwitzerlandFull Distance / 140.6
ContinentalElite
triathlon
4 JUL · SUN

DATEV Challenge Roth

Roth, GermanyFull Distance / 140.6
NationalElite
trailOpen
6 JUL · TUE

Restonica Trail by UTMB

Corte, France20K · 50K · 100K · 100 Miles
NationalElite
trailOpen
9 JUL · FRI

Trail Verbier St Bernard by UTMB

Verbier, Switzerland100 Miles · 20K · 100K · 50K
NationalElite
triathlon
11 JUL · SUN

IRONMAN Vitoria-Gasteiz

Vitoria-Gasteiz, SpainFull Distance / 140.6 · Half / 70.3
ContinentalElite
trailOpen
14 JUL · WED

Eiger Ultra Trail by UTMB

Grindelwald, Switzerland20K · 50K · 100K · 100 Miles
NationalElite
trailOpen
15 JUL · THU

Monte Rosa Walserwaeg by UTMB

Gressoney Saint Jean, Italy100 Miles · 100K · 20K · 50K
NationalElite
trailOpen
23 JUL · FRI

Bucovina Ultra Rocks by UTMB

Câmpulung Moldovenesc, Romania100 Miles · 100K · 50K · 20K
NationalElite
triathlon
25 JUL · SUN

IRONMAN Lake Placid

Lake Placid, United StatesFull Distance / 140.6
ContinentalElite

Showing 60 of 66. Open all 66 in the browser →

Elite races: frequently asked questions

What makes a race elite-level?

We rate every race from beginner to elite on course difficulty, cut-off generosity, distance and the depth of field it typically attracts. This page shows races rated elite specifically: not that level and everything below it: so the list matches the tier you picked. Races we have not rated yet are not shown here.

How many elite-level races are there?

66 upcoming races currently match, across 4 sports. The number moves as organisers announce new dates and past events drop off.

Can I filter further?

Yes, the full race browser adds sport, country, continent, date range and prestige on top of level, and every combination stays shareable as a URL.