Leaf, Jason
Great BritainManBorn 19702018 – 2025Runner id 1071369
Events
20
19 race dates
Best pace
11.483
km/h · 2025
Best finish
6th
of 415 · 2023
Distance raced
1,836
km · splits not double-counted
Pace over time
19 of 20 results · km/h
Pace over time: 19 races from 2018 to 2025, ranging from 5.72 to 13.34 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.
- Actual pace
- Age-graded pace
1 result is not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2018-02-24 | Coastal Trail Series - Northumberland UltraGreat Britain | 33mi | 4:58:09 h | 10.688 | 7/97 |
| 2018-11-10 | Coastal Trail Series - Gower UltraGreat Britain | 35.3mi | 5:37:46 h | 10.092 | 18/122 |
| 2019-02-02 | Coastal Trail Series - South Devon UltraGreat Britain | 54.7km | 5:31:30 h | 9.900 | 8/88 |
| 2019-03-16 | 80km | 8:31:37 h | 9.382 | 215/2007 | |
| 2019-04-20 | 50.5km | 6:42:56 h | 7.520 | 16/78 | |
| 2020-01-25 | 48mi | 6:54:28 h | 11.183 | 5/151 | |
| 2021-05-30 | 100km | 10:01:00 h | 9.983 | 14/126 | |
| 2021-12-04 | Endurancelife CTS - Dorset UltraGreat Britain | 33mi | 6:24:39 h | 8.284 | 3/83 |
| 2022-07-10 | Snowdonia Trail Ultra MarathonGreat Britain | 60km | 6:38:14 h | 9.040 | 6/169 |
| 2022-10-22 | 73km | 10:52:23 h | 6.714 | 123/910 | |
| 2023-01-14 | Endurancelife North CornwallGreat Britain | 31.7mi | 5:50:12 h | 8.741 | 6/62 |
| 2023-04-28 | Portland Pig Backyard UltraGreat Britain | 33h | 174.356 km | 26laps | 4/47 |
| 2023-10-07 | Lakes in a day UltraGreat Britain | 50mi | 11:48:19 h | 6.816 | 17/251 |
| 2023-12-03 | 50km | 4:25:16 h | 11.309 | 6/415 | |
| 2024-03-16 | Hundred Hills 50kmGreat Britain | 31mi | 4:30:24 h | 11.070 | 15/385 |
| 2024-05-19 | Cape Wrath UltraGreat Britain | 400km | 2d 09:07:23 h | 7.002 | 4/57 |
| 2025-01-24 | Arc of Attrition by UTMB - Arc 100Great Britain | 100mi | 28:07:02 h | 5.724 | 60/252 |
| 2025-04-06 | Springtide 50kGreat Britain | 50km | 4:21:15 h | 11.483 | 4/128 |
| 2025-09-20 | Chiltern Wonderland 50Great Britain | 50mi | 7:39:40 h | 10.503 | 9/220 |
| 2025-11-15 | Wendover Woods 50 MileGreat Britain | 50mi | 8:40:13 h | 9.281 | 4/182 |