15K run
The 15K run is a long-distance foot race. It is a rarely held race that is not recognized as an Olympic event. The overall world best time for men was set by Jacob Kiplimo in 2025, en route to his world record of 56:42 in the Barcelona Half Marathon. Excluding en route times both the world best for men and women were set at the Zevenheuvelenloop in Nijmegen, Netherlands. The world best for men is held by Joshua Cheptegei of Uganda who ran a time of 41:05. The women's world best is held by Agnes Jebet Ngetich of Kenya who ran a time of 44:15.
Between 1985 and 1991, the IAAF World Women's Road Race Championships was contested over the 15 km distance.
All-time top 25
- + = en route to longer performance
- Mx = mixed gender race
- Wo = women only race
Men
- Correct as of February 2025.
| Rank | Time | Athlete | Nation | Date | Race | Place | Ref |
| 1 | 40:07 | Uganda | 16 February 2025 | Barcelona Half Marathon | Barcelona | ||
| 2 | 40:56 | Kenya | 27 October 2024 | Valencia Half Marathon | Valencia | ||
| 3 | 40:57 | Ethiopia | 27 October 2024 | Valencia Half Marathon | Valencia | ||
| 3 | 40:57 | Kenya | 27 October 2024 | Valencia Half Marathon | Valencia | ||
| 5 | 40:59 | Kenya | 22 October 2023 | Valencia Half Marathon | Valencia | ||
| 5 | 40:59 | Ethiopia | 22 October 2023 | Valencia Half Marathon | Valencia | ||
| 5 | 40:59 | Ethiopia | 22 October 2023 | Valencia Half Marathon | Valencia | ||
| 8 | 41:05 | Uganda | 18 November 2018 | Zevenheuvelenloop | Nijmegen | ||
| 8 | 41:05 | Kenya | 15 September 2019 | Copenhagen Half Marathon | Copenhagen | ||
| 10 | 41:09 | Kenya | 19 February 2022 | Ras Al Khaimah Half Marathon | Ras Al Khaimah | ||
| 11 | 41:10 | Kenya | 6 December 2020 | Valencia Half Marathon | Valencia | ||
| 12 | 41:11 | Kenya | 6 December 2020 | Valencia Half Marathon | Valencia | ||
| 12 | 41:11 | Kenya | 6 December 2020 | Valencia Half Marathon | Valencia | ||
| 14 | 41:13 | Kenya | 21 November 2010 | Zevenheuvelenloop | Nijmegen | ||
| 14 | 41:13 | Kenya | 22 October 2023 | Valencia Half Marathon | Valencia | ||
| 16 | 41:16 | Kenya | 24 October 2021 | Valencia Half Marathon | Valencia | ||
| 16 | 41:16 | Kenya | 24 October 2021 | Valencia Half Marathon | Valencia | ||
| 18 | 41:17 | Kenya | 24 October 2021 | Valencia Half Marathon | Valencia | ||
| 19 | 41:18 | Ethiopia | 24 October 2021 | Valencia Half Marathon | Valencia | ||
| 19 | 41:18 | Kenya | 15 September 2024 | Copenhagen Half Marathon | Copenhagen | ||
| 21 | 41:20 | Ethiopia | 27 October 2024 | Valencia Half Marathon | Valencia | ||
| 21 | 41:20 | Kenya | 27 October 2024 | Valencia Half Marathon | Valencia | ||
| 23 | 41:22 | Ethiopia | 4 September 2005 | Tilburg | |||
| 23 | 41:22 | Kenya | 24 October 2021 | Valencia Half Marathon | Valencia | ||
| 25 | 41:26 | Kenya | 19 February 2022 | Ras Al Khaimah Half Marathon | Ras Al Khaimah |
Women
- Correct as of October 2025.