Top 100 Fastest Half Marathons
Best half 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.
1. Kagawa Marugame Half Marathon
Asia
February
Great
0.38
2. Barcelona Half Marathon
Europe
February
Great
0.63
3. Zurich Half Marathon
Europe
April
Great
0.71
4. Karlovy Vary Half Marathon
Europe
May
Great
0.94
5. Chester Half Marathon
Europe
May
Great
1.10
6. Zagreb Half Marathon
Europe
October
Great
1.31
7. Buenos Aires Half Marathon
South America
August
Great
1.38
8. Valencia Half Marathon
Europe
October
Great
1.51
9. Warsaw Half Marathon
Europe
March
Great
1.53
10. Boston's Run to Remember
North America
May
Great
1.60
11. Yangzhou Jianzhen Half Marathon
Asia
April
Great
1.63
12. New York City Half Marathon
North America
March
Great
1.65
13. Tallinn Half Marathon
Europe
September
Great
1.65
14. Kyoto Half Marathon
Asia
February
Great
1.66
15. Antrim Coast Half Marathon
Europe
August
Great
1.85
16. Kuldīga Half Marathon
Europe
August
Great
1.88
17. Lisbon Half Marathon
Europe
March
Great
1.93
18. Madrid Half Marathon
Europe
April
Great
1.97
19. Nice Half Marathon
Europe
April
Great
2.04
20. Houston Half Marathon
North America
January
Great
2.07
21. Edinburgh Marathon Festival Half Marathon
Europe
May
Great
2.09
22. Lake Vyrnwy Half Marathon
Europe
September
Great
2.13
23. Shanghai Half Marathon
Asia
April
Great
2.15
24. City-Pier-City Loop
Europe
March
Great
2.18
25. Great Eastern Run
Europe
October
Great
2.19
26. Great Scottish Run
Europe
October
Great
2.19
27. Edinburgh Half Marathon
Europe
May
Great
2.30
28. Toronto Waterfront Half Marathon
North America
October
Great
2.31
29. Belgrade Half Marathon
Europe
April
Great
2.35
30. Royal Parks Half Marathon
Europe
October
Great
2.39
31. San Francisco Half Marathon
North America
July
Great
2.45
32. Helsinki City Run
Europe
June
Great
2.52
33. Napoli City Half Marathon
Europe
February
Great
2.55
34. New Orleans Rock 'n' Roll Half Marathon
North America
February
Great
2.55
35. Napa to Sonoma Wine Country Half Marathon
North America
July
Great
2.57
36. Auckland Half Marathon
Oceania
October
Great
2.66
37. Chicago Half Marathon
North America
September
Great
2.70
38. Sapporo Half Marathon
Asia
July
Great
2.75
39. Paris Half Marathon
Europe
March
Great
2.78
40. Stockholm Half Marathon
Europe
September
Great
2.85
41. Melbourne Half Marathon
Oceania
October
Great
2.92
42. Rock 'n' Roll Las Vegas Half Marathon
North America
November
Good
3.03
43. Brighton Half Marathon
Europe
February
Good
3.15
44. Montreal Half Marathon
North America
September
Good
3.15
45. Seoul Half Marathon
Asia
March
Good
3.15
46. Istanbul Half Marathon
Europe/Asia
April
Good
3.21
47. Great North Run
Europe
September
Good
3.28
48. Santa Pola Half Marathon
Europe
January
Good
3.32
49. Greifenseelauf
Europe
September
Good
3.39
50. Ústí nad Labem Half Marathon
Europe
September
Good
3.55
51. Miami Half Marathon
North America
January
Good
3.59
52. Prague Half Marathon
Europe
April
Good
3.71
53. Dubai Creek Striders Half Marathon
Asia
December
Good
3.80
54. Singapore Half Marathon
Asia
December
Good
3.82
55. Philadelphia Half Marathon
North America
November
Good
3.87
56. Puerto Rico Half Marathon
North America
March
Good
3.90
57. Reading Half Marathon
Europe
April
Good
3.95
58. Great West Run
Europe
October
Challenging
4.03
59. Liverpool Half Marathon
Europe
March
Challenging
4.11
60. Göteborgsvarvet
Europe
May
Challenging
4.23
61. Sydney Half Marathon
Oceania
May
Challenging
4.25
62. Dallas Half Marathon
North America
December
Challenging
4.26
63. Bangsaen21 Half Marathon
Asia
December
Challenging
4.29
64. Four Villages Half Marathon
Europe
January
Challenging
4.40
65. Beirut Half Marathon
Asia
November
Challenging
4.50
66. Belfast Half Marathon
Europe
September
Challenging
4.65
67. Bristol Half Marathon
Europe
September
Challenging
4.74
68. Rock 'n' Roll Madrid Half Marathon
Europe
April
Challenging
4.87
69. Budapest Half Marathon
Europe
September
Challenging
4.93
70. Los Angeles Rock 'n' Roll Half Marathon
North America
June
Challenging
5.02
71. Kilimanjaro Half Marathon
Africa
March
Challenging
5.16
72. Bagan Temple Half Marathon
Asia
November
Challenging
5.38
73. Rock 'n' Roll San Diego Half Marathon
North America
June
Challenging
5.46
74. Delhi Half Marathon
Asia
November
Challenging
5.70
75. Marseille-Cassis Half Marathon
Europe
October
Challenging
5.71
76. Guadalajara Half Marathon
North America
February
Challenging
6.32
77. Ras Al Khaimah Half Marathon
Asia
February
Challenging
6.73
78. Polar Night Half Marathon
Europe
January
Challenging
7.83
79. Oslo Half Marathon
Europe
September
Challenging
8.30
80. Gifu Seiryu Half Marathon
Asia
May
Challenging
8.41
81. Rio de Janeiro Half Marathon
South America
August
Challenging
9.03
82. Bogotá Half Marathon
South America
July
Challenging
11.36
83. Great Wall Half Marathon
Asia
May
Challenging
15.35
84. Malta Half Marathon
Europe
February
Challenging
16.11
