Top 100 Fastest Marathons
Best marathons to set
a personal best
Looking for where to run your next PB? We've analysed major races from all over the world and rated them based on their PB potential.
Our PB Potential Rating is based on elevation (course profile and altitude), weather (heat, humidity and wind) and air quality. Choose the ideal race for optimal conditions (and convenience) and set your next PB.
Nagoya Women's Marathon
Asia
March
Great
1.01
Valencia Marathon
Map
Europe
December
Great
1.18
Dubai Marathon
Asia
January
Great
1.47
Frankfurt Marathon
Europe
October
Great
1.59
Indianapolis Monumental Marathon
North America
November
Great
1.60
Rotterdam Marathon
Map
Europe
April
Great
1.64
Paris Marathon
Map
Europe
April
Great
1.78
Milan Marathon
Map
Europe
April
Great
1.85
Seville Marathon
Map
Europe
February
Great
1.88
Ljubljana Marathon
Europe
October
Great
2.00
Chicago Marathon
Map
North America
October
Great
2.08
Portland Marathon
North America
October
Great
2.13
Rome Marathon
Map
Europe
March
Great
2.22
Berlin Marathon
Europe
September
Great
2.22
Houston Marathon
North America
January
Great
2.30
Toronto Waterfront Marathon
North America
October
Great
2.31
London Marathon
Map
Europe
April
Great
2.58
Wellington Marathon
Oceania
June
Great
2.63
Bucharest Marathon
Europe
October
Great
2.63
Bratislava Marathon
Map
Europe
April
Great
2.68
Columbus Marathon
North America
October
Great
2.69
Barcelona Marathon
Map
Europe
March
Great
2.70
Helsinki Marathon
Map
Europe
August
Great
2.73
Zurich Marathon
Europe
April
Great
2.84
St. Louis Marathon
North America
April
Great
2.85
Dublin Marathon
Map
Europe
October
Great
2.85
Edinburgh Marathon
Map
Europe
May
Great
2.90
Amsterdam Marathon
Europe
October
Great
2.94
Budapest Marathon
Europe
October
Great
2.98
Philadelphia Marathon
North America
November
Good
3.20
Gaborone Marathon
Africa
May
Good
3.29
Lisbon Marathon
Europe
October
Good
3.32
Copenhagen Marathon
Map
Europe
May
Good
3.36
Cape Town Marathon
Africa
October
Good
3.40
Casablanca Marathon
Africa
October
Good
3.46
Istanbul Marathon
Map
Europe, Asia
November
Good
3.48
Madrid Marathon
Europe
April
Good
3.52
Orlando Marathon
North America
December
Good
3.55
Melbourne Marathon
Oceania
October
Good
3.56
California International Marathon
North America
December
Good
3.66
Oslo Marathon
Europe
September
Good
3.71
Miami Marathon
North America
February
Good
3.88
Santiago Marathon
South America
May
Good
3.93
Boston Marathon
Map
North America
April
Challenging
4.14
Colombo Marathon
Asia
October
Challenging
4.14
Shanghai Marathon
Asia
November
Challenging
4.15
New York Marathon
Map
North America
November
Challenging
4.20
Stockholm Marathon
Map
Europe
May
Challenging
4.21
Dallas Marathon
North America
December
Challenging
4.23
Taipei Marathon
Asia
December
Challenging
4.31
Detroit Marathon
North America
October
Challenging
4.33
Havana Marathon
North America
November
Challenging
4.43
Lima Marathon
South America
May
Challenging
4.68
Mumbai Marathon
Asia
January
Challenging
4.83
Singapore Marathon
Asia
December
Challenging
4.85
Baltimore Marathon
North America
October
Challenging
4.88
Anchorage Mayor's Marathon
North America
June
Challenging
4.90
Sydney Marathon
Map
Oceania
August
Challenging
4.98
Brisbane Marathon
Oceania
June
Challenging
5.05
Beijing Marathon
Asia
November
Challenging
5.08
Rio de Janeiro Marathon
South America
June
Challenging
5.15
Twin Cities Marathon
North America
October
Challenging
5.85
Sofia Marathon
Europe
October
Challenging
5.95
Kansas City Marathon
North America
October
Challenging
6.13
Bangkok Marathon
Asia
November
Challenging
6.23
Athens Authentic Marathon
Europe
November
Challenging
6.24
Nashville Rock 'n' Roll Marathon
North America
April
Challenging
6.38
Hong Kong Marathon
Asia
February
Challenging
6.63
Jakarta Marathon
Map
Asia
October
Challenging
6.63
Kuala Lumpur Marathon
Asia
October
Challenging
7.15
Cincinnati Flying Pig Marathon
North America
May
Challenging
7.55
São Paulo Marathon
South America
April
Challenging
7.90
Delhi Marathon
Map
Asia
February
Challenging
8.30
Bogotá Marathon
South America
March
Challenging
9.22
Mexico City Marathon
North America
August
Challenging
9.35
Auckland Marathon
Oceania
November
Challenging
10.34
Quito Marathon
South America
August
Challenging
11.12
Austin Marathon
Map
North America
February
Challenging
7.15
Belgrade Marathon
Map
Europe
April
Challenging
4.33
Osaka Marathon
Asia
February
Great
0.71
Pittsburgh Marathon
North America
May
Challenging
4.84
Prague Marathon
Map
Europe
May
Great
2.21
San Francisco Marathon
Map
North America
July
Challenging
6.61
Tokyo Marathon
Map
Asia
March
Great
1.27
Vienna City Marathon
Map
Europe
April
Great
1.99
Warsaw Marathon
Europe
September
Good
3.93
