races.fyi

All races

43 marathons, ordered by calendar month. The PR score (1–10) is our curated rating of how likely a well-trained runner is to set a personal record, combining course profile, typical weather, and race organisation.

Region
Season
Heat risk
Only
43 of 43 races

January

Dubai Marathon

Dubai, United Arab Emirates · January

25 m gainflatModerate heat risk
PR score 9/10

Houston Marathon

Houston, USA · January

65 m gainflatLow heat risk
PR score 8/10

Mumbai Marathon

Mumbai, India · January

100 m gainflatHigh heat risk
PR score 4/10

February

Osaka Marathon

Osaka, Japan · February

85 m gainflatLow heat risk
PR score 8/10

Seville Marathon

Seville, Spain · February

35 m gainflatLow heat risk
PR score 9/10

March

Barcelona Marathon

Barcelona, Spain · March

150 m gainflatModerate heat risk
PR score 7/10

Nagoya Women's Marathon

Nagoya, Japan · March

50 m gainflatLow heat risk
PR score 8/10

Rome Marathon

Rome, Italy · March

150 m gainflatModerate heat risk
PR score 5/10

Tokyo Marathon

Tokyo, Japan · March

Major
60 m gain-38 m netLow heat risk
PR score 8/10

April

Big Sur International Marathon

Big Sur, USA · April

600 m gain-40 m netLow heat risk
PR score 2/10

Boston Marathon

Boston, USA · April

Major
248 m gain-140 m netModerate heat risk
PR score 6/10

Eugene Marathon

Eugene, USA · April

80 m gainflatLow heat risk
PR score 8/10

Hamburg Marathon

Hamburg, Germany · April

100 m gainflatLow heat risk
PR score 8/10

London Marathon

London, United Kingdom · April

Major
127 m gain-34 m netLow heat risk
PR score 8/10

Madrid Marathon

Madrid, Spain · April

300 m gainflatModerate heat risk
PR score 4/10

Manchester Marathon

Manchester, United Kingdom · April

60 m gainflatLow heat risk
PR score 9/10

Paris Marathon

Paris, France · April

164 m gain+7 m netLow heat risk
PR score 6/10

Rotterdam Marathon

Rotterdam, Netherlands · April

55 m gainflatLow heat risk
PR score 9/10

Vienna City Marathon

Vienna, Austria · April

100 m gainflatModerate heat risk
PR score 7/10

May

Copenhagen Marathon

Copenhagen, Denmark · May

50 m gainflatModerate heat risk
PR score 8/10

Prague Marathon

Prague, Czechia · May

80 m gainflatModerate heat risk
PR score 8/10

June

Grandma's Marathon

Duluth, USA · June

90 m gain-40 m netModerate heat risk
PR score 8/10

Stockholm Marathon

Stockholm, Sweden · June

150 m gainflatModerate heat risk
PR score 6/10

July

Gold Coast Marathon

Gold Coast, Australia · July

40 m gainflatLow heat risk
PR score 9/10

August

Sydney Marathon

Sydney, Australia · August

Major
310 m gain-83 m netModerate heat risk
PR score 5/10

September

Berlin Marathon

Berlin, Germany · September

Major
73 m gain-6 m netModerate heat risk
PR score 10/10

Buenos Aires Marathon

Buenos Aires, Argentina · September

60 m gainflatModerate heat risk
PR score 8/10

REVEL Big Cottonwood

Salt Lake City, USA · September

90 m gain-1490 m netLow heat risk
PR score 9/10

October

Amsterdam Marathon

Amsterdam, Netherlands · October

60 m gainflatLow heat risk
PR score 8/10

Cape Town Marathon

Cape Town, South Africa · October

150 m gainflatModerate heat risk
PR score 7/10

Chicago Marathon

Chicago, USA · October

Major
74 m gain+1 m netModerate heat risk
PR score 9/10

Frankfurt Marathon

Frankfurt, Germany · October

50 m gainflatLow heat risk
PR score 8/10

Lisbon Marathon

Lisbon, Portugal · October

90 m gain-20 m netModerate heat risk
PR score 7/10

Marine Corps Marathon

Washington, D.C., USA · October

200 m gainflatLow heat risk
PR score 5/10

Toronto Waterfront Marathon

Toronto, Canada · October

80 m gainflatLow heat risk
PR score 8/10

November

Athens Marathon (The Authentic)

Athens, Greece · November

350 m gain+50 m netModerate heat risk
PR score 3/10

Indianapolis Monumental Marathon

Indianapolis, USA · November

55 m gainflatLow heat risk
PR score 9/10

New York City Marathon

New York, USA · November

Major
246 m gain-5 m netLow heat risk
PR score 4/10

Porto Marathon

Porto, Portugal · November

120 m gainflatLow heat risk
PR score 8/10

December

California International Marathon

Sacramento, USA · December

202 m gain-104 m netLow heat risk
PR score 9/10

Honolulu Marathon

Honolulu, USA · December

150 m gainflatHigh heat risk
PR score 3/10

Singapore Marathon

Singapore, Singapore · December

80 m gainflatHigh heat risk
PR score 2/10

Valencia Marathon

Valencia, Spain · December

60 m gain-5 m netLow heat risk
PR score 10/10