Find your race
Every race, ranked by difficulty
Each course gets a deterministic 0–10 difficulty score from its climbing, descent, altitude, typical race-day heat and distance. Filter by month, terrain and difficulty to find the race that fits your goal — then get a personalised pacing plan.
39 races
- 10.0Brutal
UTMB Mont-Blanc
Chamonix, FR · Aug · 174 km · 11391 m gain
- 7.4Very hard
Maratón de la Ciudad de México
Mexico City, MX · Aug · 42 km · 50 m gain
- 6.9Hard
The San Francisco Marathon
San Francisco, US · Jul · 42 km · 329 m gain
- 6.8Hard
Standard Chartered Singapore Marathon
Singapore, SG · Dec · 42 km · 91 m gain
- 6.2Hard
Athens Authentic Marathon
Athens, GR · Nov · 42 km · 276 m gain
- 6.0Hard
Tata Mumbai Marathon
Mumbai, IN · Jan · 42 km · 95 m gain
- 5.6Hard
Movistar Madrid Maratón
Madrid, ES · Apr · 42 km · 194 m gain
- 5.6Hard
TCS Sydney Marathon
Sydney, AU · Aug · 42 km · 157 m gain
- 5.2Hard
Auckland Marathon
Auckland, NZ · Nov · 42 km · 88 m gain
- 5.2Hard
Cape Town Marathon
Cape Town, ZA · Oct · 42 km · 73 m gain
- 5.2Hard
McCourt Foundation LA Marathon
Los Angeles, US · Mar · 42 km · 101 m gain
- 5.2Hard
Marine Corps Marathon
Arlington, VA, US · Oct · 42 km · 124 m gain
- 5.1Hard
ASICS Stockholm Marathon
Stockholm, SE · Jun · 42 km · 90 m gain
- 5.0Hard
Boston Marathon
Boston, US · Apr · 42 km · 98 m gain
- 5.0Hard
KBC Dublin Marathon
Dublin, IE · Oct · 42 km · 105 m gain
- 4.9Moderate
Marathon du Lac d’Annecy
Annecy, FR · Apr · 42 km · 126 m gain
- 4.8Moderate
Dubai Marathon
Dubai, AE · Jan · 42 km · 0 m gain
- 4.8Moderate
TCS New York City Marathon
New York, US · Nov · 42 km · 111 m gain
- 4.8Moderate
Medtronic Twin Cities Marathon
Minneapolis, US · Oct · 42 km · 97 m gain
- 4.7Moderate
Berlin Marathon
Berlin, DE · Sep · 42 km · 15 m gain
- 4.7Moderate
Taipei Marathon
Taipei, TW · Dec · 42 km · 0 m gain
- 4.6Moderate
Nike Melbourne Marathon
Melbourne, AU · Oct · 42 km · 41 m gain
- 4.6Moderate
Shanghai Marathon
Shanghai, CN · Nov · 42 km · 27 m gain
- 4.5Moderate
Mainova Frankfurt Marathon
Frankfurt, DE · Oct · 42 km · 31 m gain
- 4.5Moderate
Chevron Houston Marathon
Houston, US · Jan · 42 km · 44 m gain
- 4.5Moderate
TCS London Marathon
London, GB · Apr · 42 km · 51 m gain
- 4.5Moderate
Generali München Marathon
Munich, DE · Oct · 42 km · 35 m gain
- 4.5Moderate
Schneider Electric Marathon de Paris
Paris, FR · Apr · 42 km · 68 m gain
- 4.5Moderate
TCS Toronto Waterfront Marathon
Toronto, CA · Oct · 42 km · 48 m gain
- 4.5Moderate
Vienna City Marathon
Vienna, AT · Apr · 42 km · 71 m gain
- 4.4Moderate
Haspa Marathon Hamburg
Hamburg, DE · Apr · 42 km · 50 m gain
- 4.4Moderate
Osaka Marathon
Osaka, JP · Feb · 42 km · 42 m gain
- 4.4Moderate
Tokyo Marathon
Tokyo, JP · Mar · 42 km · 48 m gain
- 4.4Moderate
Valencia Marathon
Valencia, ES · Dec · 42 km · 23 m gain
- 4.3Moderate
TCS Amsterdam Marathon
Amsterdam, NL · Oct · 42 km · 0 m gain
- 4.3Moderate
Bank of America Chicago Marathon
Chicago, US · Oct · 42 km · 0 m gain
- 4.3Moderate
Acea Run Rome The Marathon
Rome, IT · Mar · 42 km · 21 m gain
- 4.2Moderate
Telenor Copenhagen Marathon
Copenhagen, DK · May · 42 km · 0 m gain
- 4.0Moderate
Zürich Marathon
Zurich, CH · Apr · 42 km · 0 m gain