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

Otter Trail

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

Le Grand Raid

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

Le Grand Raid

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

Otter Trail

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

ASIA

Hong Kong 100

January | 100 km | 1D | Trail | 32 HL | △△△△ | Hong Kong

Elbrus Race

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

UTMB Oman

November | 170 km | 1D | Trail | △△△△ | Oman

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.

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.

Annapurna 100

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

Snowman Trek

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

Elbrus Race

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

Borneo TMBT

September | 100 km | 1D | Trail | △△△ | Malaysia

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.

UTMB Oman

November | 170 km | 1D | Trail | △△△△ | Oman

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.

Hong Kong 100

January | 100 km | 1D | Trail | 32 HL | △△△△ | Hong Kong

Annapurna 100

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

EUROPE

Spartathon

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

Switzerland: Verbier

Early Nov-Early May | 400 ac | 331″ Snow | 82 Lifts | 10,925′ Top Elev. | 6,004′ Vert. | 0% Beg. | 21% Exp.

Tor Des Geants

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

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.

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.

Mountainman

August | 81 km | 1D | Mountain | △△△ | Switzerland

Italy: Dolomiti Superski

Late Nov-Early May | 90,000 ac | 47″ Snow | 455 Lifts | 9,810′ Top Elev. | 5,794′ Vert. | 0% Beg. | 13% Exp.

Kungsleden

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

Switzerland: Zermatt

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

Tour du Mont Blanc

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

Spartathon

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

Kungsleden

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

TransAlpine Run

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

Switzerland: Verbier

Early Nov-Early May | 400 ac | 331″ Snow | 82 Lifts | 10,925′ Top Elev. | 6,004′ Vert. | 0% Beg. | 21% 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

August | 81 km | 1D | Mountain | △△△ | Switzerland

France: Paradiski

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

Swiss Alps: Eiger

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

Tor Des Geants

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

Italy: Dolomiti Superski

Late Nov-Early May | 90,000 ac | 47″ Snow | 455 Lifts | 9,810′ Top Elev. | 5,794′ Vert. | 0% Beg. | 13% Exp.

NORTH AMERICA

Colorado: Vail (Epic)

Mid Nov-Mid Apr | 5,289 ac | 354″ Snow | 31 Lifts | 11,570′ Top Elev. | 3,450′ Vert. | 18% Beg. | 0% Exp.

Tahoe 200

September | 320 km | 1D | Trail | 100 HL | △△△△ | California

Badwater 135

July | 216 km | 1D | Road | F:100 | 48 HL | △△△△ | California

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

June | 160 km | 1D | Mountain | F:370 | 30 HL | △△△△ | California

Kalalau Trail

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

La Transtica

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

Angeles Crest

August | 160 km | 1D | Trail | F:150 | 33 HL | △△△△ | California

Colorado Trail

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

Vermont 100

July | 160 km | 1D | Mountain | F:350 | 30 HL | △△△△ | Virginia

HURT 100

January | 160 km | 1D | Trail | F:130 | 36 HL | △△△△ | Hawaii

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.

Tahoe 200

September | 320 km | 1D | Trail | 100 HL | △△△△ | California

Colorado Trail

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

Colorado: Steamboat (Ikon)

Late Nov-Mid Apr | 2,965 ac | 336″ Snow | 18 Lifts | 10,568′ Top Elev. | 3,668′ Vert. | 14% Beg. | 0% Exp.

Vermont 100

July | 160 km | 1D | Mountain | F:350 | 30 HL | △△△△ | Virginia

Kalalau Trail

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

Western States

June | 160 km | 1D | Mountain | F:370 | 30 HL | △△△△ | California

Old Dominion 100

June | 160 km | 1D | Mountain | F:50 | 28 HL | △△△△ | Vermont

Angeles Crest

August | 160 km | 1D | Trail | F:150 | 33 HL | △△△△ | California

Colorado: Vail (Epic)

Mid Nov-Mid Apr | 5,289 ac | 354″ Snow | 31 Lifts | 11,570′ Top Elev. | 3,450′ Vert. | 18% Beg. | 0% Exp.

John Muir Trail

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

Fundy Circuit

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

HURT 100

January | 160 km | 1D | Trail | F:130 | 36 HL | △△△△ | Hawaii

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.

La Transtica

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

Badwater 135

July | 216 km | 1D | Road | F:100 | 48 HL | △△△△ | California

Skyline Trail

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

Rae Lakes Loop

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

Appalachian Trail

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

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.

SOUTH AMERICA

Brazil 135

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

Argentina: Cerro Castor

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

4 Refugios

February | 44 km | 1D | Mountain | F:250 | △△△ | Argentina

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.

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.

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.

Inca Trail

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

4 Refugios

February | 44 km | 1D | Mountain | F:250 | △△△ | Argentina

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.

Argentina: Cerro Castor

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

Inca Trail

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

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.

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.

Brazil 135

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

OCEANIA