Say hello to your new free race directory
Discover, plan, and train for your next marathon or half with Kaizen’s global race insights, all for free.
Discover Races
Browse top-rated marathons and half marathons by PB potential, region, or distance, curated to help you choose your perfect race.
Analyse Conditions
Review detailed insights on course profiles, elevation, weather, and travel tips to select the most PB-friendly events.
Optimise Your Training
Train smarter using Kaizen’s pace calculators, fitness tracking, and personalised training tools built for performance.
Race at Your Best
Arrive prepared with a clear strategy, confident pacing, and the support of a global running community.
Top 10 Marathons to set a Personal Best
Top 10 Half Marathons to set a Personal Best
Races by Distance
How to train with the Kaizen app
Races by Region
Tools to help you hit your personal best in your next race
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Top 10 Most Historic Marathons in the World
All Races
Search race, location, distance
Search race, location, distance
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Search race, location, distance
Search race, location, distance
Search race, location, distance
Search race, location, distance
Nagoya Women's Marathon
Asia
Japan
March
Great
1.01
Valencia Marathon
Map
Europe
Spain
December
Great
1.18
Dubai Marathon
Asia
United Arab Emirates
January
Great
1.47
Frankfurt Marathon
Europe
Germany
October
Great
1.59
Indianapolis Monumental Marathon
North America
USA
November
Great
1.60
Rotterdam Marathon
Map
Europe
Netherlands
April
Great
1.64
Paris Marathon
Map
Europe
France
April
Great
1.78
Milan Marathon
Map
Europe
Italy
April
Great
1.85
Seville Marathon
Map
Europe
Spain
February
Great
1.88
Ljubljana Marathon
Europe
Slovenia
October
Great
2.00
Chicago Marathon
Map
North America
USA
October
Great
2.08
Portland Marathon
North America
USA
October
Great
2.13
Rome Marathon
Map
Europe
Italy
March
Great
2.22
Berlin Marathon
Europe
Germany
September
Great
2.22
Houston Marathon
North America
USA
January
Great
2.30
Toronto Waterfront Marathon
North America
Canada
October
Great
2.31
London Marathon
Map
Europe
UK
April
Great
2.58
Wellington Marathon
Oceania
New Zealand
June
Great
2.63
Bucharest Marathon
Europe
Romania
October
Great
2.63
Bratislava Marathon
Map
Europe
Slovakia
April
Great
2.68
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Top 10 Fastest
Marathons
Nagoya Women's Marathon
Asia
Japan
March
Great
1.01
Valencia Marathon
Map
Europe
Spain
December
Great
1.18
Dubai Marathon
Asia
United Arab Emirates
January
Great
1.47
Frankfurt Marathon
Europe
Germany
October
Great
1.59
Indianapolis Monumental Marathon
North America
USA
November
Great
1.60
Rotterdam Marathon
Map
Europe
Netherlands
April
Great
1.64
Paris Marathon
Map
Europe
France
April
Great
1.78
Milan Marathon
Map
Europe
Italy
April
Great
1.85
Seville Marathon
Map
Europe
Spain
February
Great
1.88
Ljubljana Marathon
Europe
Slovenia
October
Great
2.00
Chicago Marathon
Map
North America
USA
October
Great
2.08
Portland Marathon
North America
USA
October
Great
2.13
Rome Marathon
Map
Europe
Italy
March
Great
2.22
Berlin Marathon
Europe
Germany
September
Great
2.22
Houston Marathon
North America
USA
January
Great
2.30
Toronto Waterfront Marathon
North America
Canada
October
Great
2.31
London Marathon
Map
Europe
UK
April
Great
2.58
Wellington Marathon
Oceania
New Zealand
June
Great
2.63
Bucharest Marathon
Europe
Romania
October
Great
2.63
Bratislava Marathon
Map
Europe
Slovakia
April
Great
2.68
Columbus Marathon
North America
USA
October
Great
2.69
Barcelona Marathon
Map
Europe
Spain
March
Great
2.70
Helsinki Marathon
Map
Europe
Finland
August
Great
2.73
Zurich Marathon
Europe
Switzerland
April
Great
2.84
St. Louis Marathon
North America
USA
April
Great
2.85
Dublin Marathon
Map
Europe
Ireland
October
Great
2.85
Edinburgh Marathon
Map
Europe
Scotland
May
Great
2.90
Amsterdam Marathon
Europe
Netherlands
October
Great
2.94
Budapest Marathon
Europe
Hungary
October
Great
2.98
Tallinn Marathon
Europe
Estonia
September
Great
2.99