Discover the best places in the world for an epic adventure. Explore our database of top marathons, ultras, mountains, treks, and ski areas on every continent.

AFRICA

Le Grand Raid

Mid Oct | 163 km | 1D | Trail | F:2K | 66 HL | △△△△ | Reunion

Otter Trail

Year Round | 44 km | 5 Days | FKT: 3h 59m (Race) | South Africa

Le Grand Raid

Mid Oct | 163 km | 1D | Trail | F:2K | 66 HL | △△△△ | Reunion

Otter Trail

Year Round | 44 km | 5 Days | FKT: 3h 59m (Race) | South Africa

ASIA

India: Gulmarg Resort

Mid Nov-Early May | 2,400 ac | 550″ Snow | 8 Lifts | 13,123′ Top Elev. | 4,921′ Vert. | 25% Beg. | 20% Exp.

Hong Kong 100

Mid Jan | 100 km | 1D | Trail | F:2K | 32 HL | △△△△ | Hong Kong

Borneo TMBT

Late Sep | 100 km | 1D | Trail | F:530 | △△△ | Malaysia

Rinjani 100

Late Jun | 100 km | 1D | Trail | F:60 | △△△ | Indonesia

Snowman Trek

June – Oct | 328 km | 24 Days | FKT: 15d 9h (Standard) | Bhutan

Iran: Dizin Ski Resort

Early Dec-Late May | 1,159 ac | 200″ Snow | 16 Lifts | 11,811′ Top Elev. | 3,117′ Vert. | 50% Beg. | 10% Exp.

Elbrus Race

Late Jul | 105 km | 1D | Mountain | F:300 | 72 HL | △△△△ | Russia

UTMB Oman

Early Nov | 170 km | 1D | Trail | F:150 | △△△△ | Oman

Annapurna 100

Late Oct | 100 km | 1D | Trail | F:150 | 24 HL | △△△ | Nepal

India: Gulmarg Resort

Mid Nov-Early May | 2,400 ac | 550″ Snow | 8 Lifts | 13,123′ Top Elev. | 4,921′ Vert. | 25% Beg. | 20% Exp.

Borneo TMBT

Late Sep | 100 km | 1D | Trail | F:530 | △△△ | Malaysia

Annapurna 100

Late Oct | 100 km | 1D | Trail | F:150 | 24 HL | △△△ | Nepal

Hong Kong 100

Mid Jan | 100 km | 1D | Trail | F:2K | 32 HL | △△△△ | Hong Kong

Elbrus Race

Late Jul | 105 km | 1D | Mountain | F:300 | 72 HL | △△△△ | Russia

Rinjani 100

Late Jun | 100 km | 1D | Trail | F:60 | △△△ | Indonesia

Snowman Trek

June – Oct | 328 km | 24 Days | FKT: 15d 9h (Standard) | Bhutan

UTMB Oman

Early Nov | 170 km | 1D | Trail | F:150 | △△△△ | Oman

Iran: Dizin Ski Resort

Early Dec-Late May | 1,159 ac | 200″ Snow | 16 Lifts | 11,811′ Top Elev. | 3,117′ Vert. | 50% Beg. | 10% Exp.

EUROPE

Spartathon

Late Sep | 245 km | 1D | Road | F:300 | 36 HL | △△ | Greece

Mountainman

Mid Aug | 81 km  | 1D | Mountain | F:200 | △△△ | Switzerland

Switzerland: Verbier

Early Nov-Early May | 400 ac | 331″ Snow | 82 Lifts | 10,925′ Top Elev. | 6,004′ Vert. | 22% Beg. | 28% Exp.

Kungsleden

July – Aug | 440 km | 7 Days | FKT: 6d 2h 51m (Standard) | Sweden

Italy: Dolomiti Superski

Late Nov-Early May | 90,000 ac | 47″ Snow | 455 Lifts | 9,810′ Top Elev. | 5,794′ Vert. | 5% Beg. | 15% Exp.

Tor Des Geants

Mid Sep | 330 km | 1D | Mountain | F:500 | 150 HL | △△△△ | Italy

Swiss Alpine K68

Late Jul |  42 km  | 1D | Mountain | F:450 | 12 HL | △△△ | Multi-Country

France: Paradiski

Mid Dec-Late Apr | 35,559 ac | 250″ Snow | 160 Lifts | 10,663′ Top Elev. | 6,562′ Vert. | 4% Beg. | 15% Exp.

Switzerland: Zermatt

Year Round | 360 ac | 300″ Snow | 52 Lifts | 12,792′ Top Elev. | 7,477′ Vert. | 11% Beg. | 10% Exp.

France: Les 3 Vallees

Early Dec-Late Apr | 25,900 ac | 300″ Snow | 166 Lifts | 10,499′ Top Elev. | 7,546′ Vert. | 14% Beg. | 12% Exp.

Switzerland: Zermatt

Year Round | 360 ac | 300″ Snow | 52 Lifts | 12,792′ Top Elev. | 7,477′ Vert. | 11% Beg. | 10% Exp.

TransAlpine Run

Late Aug | 230 km | 8D | Mountain | F:300 | △△△△ | Multi-Country

Kungsleden

July – Aug | 440 km | 7 Days | FKT: 6d 2h 51m (Standard) | Sweden

Slovenia: Vogel Ski Resort

Early Dec-Early Apr | 193 ac | 310″ Snow | 9 Lifts | 5,906′ Top Elev. | 4,039′ Vert. | 43% Beg. | 40% Exp.

France: Les 3 Vallees

Early Dec-Late Apr | 25,900 ac | 300″ Snow | 166 Lifts | 10,499′ Top Elev. | 7,546′ Vert. | 14% Beg. | 12% Exp.

Mountainman

Mid Aug | 81 km  | 1D | Mountain | F:200 | △△△ | Switzerland

Swiss Alps: Eiger

Early July – Early Sept | 5 Days | 13,025′ Elev. | Level 3B | Switzerland

Italy: Dolomiti Superski

Late Nov-Early May | 90,000 ac | 47″ Snow | 455 Lifts | 9,810′ Top Elev. | 5,794′ Vert. | 5% Beg. | 15% Exp.

France: Paradiski

Mid Dec-Late Apr | 35,559 ac | 250″ Snow | 160 Lifts | 10,663′ Top Elev. | 6,562′ Vert. | 4% Beg. | 15% Exp.

Spartathon

Late Sep | 245 km | 1D | Road | F:300 | 36 HL | △△ | Greece

Tour du Mont Blanc

June – Sept | 170 km | 8 Days | FKT: 20h 11m (UTMB) | France-Italy-Switzerland

Swiss Alpine K68

Late Jul |  42 km  | 1D | Mountain | F:450 | 12 HL | △△△ | Multi-Country

Switzerland: Verbier

Early Nov-Early May | 400 ac | 331″ Snow | 82 Lifts | 10,925′ Top Elev. | 6,004′ Vert. | 22% Beg. | 28% Exp.

Tor Des Geants

Mid Sep | 330 km | 1D | Mountain | F:500 | 150 HL | △△△△ | Italy

NORTH AMERICA

HURT 100

Mid Jan | 160 km | 1D | Trail | F:130 | 36 HL | △△△△ | United States

La Transtica

Mid Nov | 200 km | 5D | Trail | F:70 | △△△△ | Costa Rica

Colorado Trail

June – Sept | 800 km | 28 Days | FKT: 8d 13h 28m (East to West) | Colorado

Idaho: Sun Valley (Epic)

Late Nov-Mid Apr | 2,154 ac | 220″ Snow | 18 Lifts | 9,150′ Top Elev. | 3,400′ Vert. | 36% Beg. | 2% Exp.

Kalalau Trail

May – Sept | 35 km | 3 Days | FKT: 3h 57m (Out & Back) | Hawaii

Tahoe 200

Mid Sep | 320 km | 1D | Trail | F:150 | 100 HL | △△△△ | United States

Colorado: Vail (Epic)

Mid Nov-Mid Apr | 5,289 ac | 354″ Snow | 31 Lifts | 11,570′ Top Elev. | 3,450′ Vert. | 18% Beg. | 53% Exp.

Vermont 100

Mid Jul | 160 km | 1D | Mountain | F:350 | 30 HL | △△△△ | United States

Old Dominion 100

Early Jun | 160 km | 1D | Mountain | F:50 | 28 HL | △△△△ | United States

Utah: Snowbasin (Epic)

Late Nov-Mid Apr | 3,000 ac | 300″ Snow | 11 Lifts | 9,350′ Top Elev. | 2,900′ Vert. | 7% Beg. | 9% Exp.

Western States

Late Jun | 160 km | 1D | Mountain | F:370 | 30 HL | △△△△ | United States

Angeles Crest

Early Aug | 160 km | 1D | Trail | F:150 | 33 HL | △△△△ | United States

Badwater 135

Early Jul   | 216 km | 1D | Road | F:100 | 48 HL | △△△△ | United States

John Muir Trail

July – Sept | 340 km | 25 Days | FKT: 2d 19h 26m (S-to-N) | California

Colorado: Vail (Epic)

Mid Nov-Mid Apr | 5,289 ac | 354″ Snow | 31 Lifts | 11,570′ Top Elev. | 3,450′ Vert. | 18% Beg. | 53% Exp.

Rae Lakes Loop

June – Sept | 66 km | 5 Days | FKT: 7h 29m (Standard) | California

Old Dominion 100

Early Jun | 160 km | 1D | Mountain | F:50 | 28 HL | △△△△ | United States

Tahoe 200

Mid Sep | 320 km | 1D | Trail | F:150 | 100 HL | △△△△ | United States

Utah: Snowbasin (Epic)

Late Nov-Mid Apr | 3,000 ac | 300″ Snow | 11 Lifts | 9,350′ Top Elev. | 2,900′ Vert. | 7% Beg. | 9% Exp.

Colorado: Steamboat (Ikon)

Late Nov-Mid Apr | 2,965 ac | 336″ Snow | 18 Lifts | 10,568′ Top Elev. | 3,668′ Vert. | 14% Beg. | 44% Exp.

Idaho: Sun Valley (Epic)

Late Nov-Mid Apr | 2,154 ac | 220″ Snow | 18 Lifts | 9,150′ Top Elev. | 3,400′ Vert. | 36% Beg. | 2% Exp.

Wasatch Front 100

Mid Sep | 160 km | 1D | Mountain | F:230 | 36 HL | △△△△ | United States

Colorado Trail

June – Sept | 800 km | 28 Days | FKT: 8d 13h 28m (East to West) | Colorado

HURT 100

Mid Jan | 160 km | 1D | Trail | F:130 | 36 HL | △△△△ | United States

Fundy Circuit

Apr – Oct | 48 km | 4 Days | FKT: 4h 47m (Standard) | Canada

Angeles Crest

Early Aug | 160 km | 1D | Trail | F:150 | 33 HL | △△△△ | United States

Vermont 100

Mid Jul | 160 km | 1D | Mountain | F:350 | 30 HL | △△△△ | United States

Western States

Late Jun | 160 km | 1D | Mountain | F:370 | 30 HL | △△△△ | United States

La Transtica

Mid Nov | 200 km | 5D | Trail | F:70 | △△△△ | Costa Rica

Appalachian Trail

Mar – Sept | 3,508 km | 160 Days | FKT: 41d 7h 39m (Northbound) | Eastern US

Badwater 135

Early Jul   | 216 km | 1D | Road | F:100 | 48 HL | △△△△ | United States

Skyline Trail

May – Sept | 45 km | 2 Days | FKT: 3h 59m (Standard) | Canada

Kalalau Trail

May – Sept | 35 km | 3 Days | FKT: 3h 57m (Out & Back) | Hawaii

SOUTH AMERICA

Argentina: Cerro Catedral

Late June-Early Oct | 1,480 ac | 236″ Snow | 34 Lifts | 7,152′ Top Elev. | 3,773′ Vert. | 17% Beg. | 22% Exp.

Brazil 135

Mid Jan | 216 km | 1D | Trail | F:35 | 60 HL | △△△△ | Brazil

Chile: Ski Portillo

Late June-Early Oct | 1,235 ac | 326″ Snow | 14 Lifts | 10,984′ Top Elev. | 2,743′ Vert. | 15% Beg. | 25% Exp.

4 Refugios

Late Feb |  44 km  | 1D | Mountain | F:250 | △△△ | Argentina

Inca Trail

May – Sept | 136 km | 4 Days | FKT: 29h 15m (Cordillera Huayhuash) | Peru

Argentina: Cerro Castor

Late June-Late Sept | 600 ac | 200″ Snow | 11 Lifts | 3,173′ Top Elev. | 2,516′ Vert. | 33% Beg. | 15% Exp.

Argentina: Las Leñas

Late June-Early Oct | 17,500 ac | 250″ Snow | 14 Lifts | 11,253′ Top Elev. | 3,904′ Vert. | 15% Beg. | 5% Exp.

Brazil 135

Mid Jan | 216 km | 1D | Trail | F:35 | 60 HL | △△△△ | Brazil

Inca Trail

May – Sept | 136 km | 4 Days | FKT: 29h 15m (Cordillera Huayhuash) | Peru

Chile: Ski Portillo

Late June-Early Oct | 1,235 ac | 326″ Snow | 14 Lifts | 10,984′ Top Elev. | 2,743′ Vert. | 15% Beg. | 25% Exp.

Argentina: Cerro Catedral

Late June-Early Oct | 1,480 ac | 236″ Snow | 34 Lifts | 7,152′ Top Elev. | 3,773′ Vert. | 17% Beg. | 22% Exp.

4 Refugios

Late Feb |  44 km  | 1D | Mountain | F:250 | △△△ | Argentina

Argentina: Las Leñas

Late June-Early Oct | 17,500 ac | 250″ Snow | 14 Lifts | 11,253′ Top Elev. | 3,904′ Vert. | 15% Beg. | 5% Exp.

Argentina: Cerro Castor

Late June-Late Sept | 600 ac | 200″ Snow | 11 Lifts | 3,173′ Top Elev. | 2,516′ Vert. | 33% Beg. | 15% Exp.

OCEANIA

Tarawera Ultra

Early Mar | 100 km | 1D | Trail | F:250 | △△△ | New Zealand