Shaffer, John
United StatesManBorn 19712019 – 2026Runner id 1410023
Events
15
2019 – 2026
Best pace
7.241
km/h · 2022
Best finish
48th
of 189 · 2025
Distance raced
991
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 15 races from 2019 to 2026, ranging from 4.71 to 8.12 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
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2019-10-20 | 50km | 7:57:43 h | 6.280 | 44/72 | |
| 2020-10-18 | 50km | 7:21:24 h | 6.797 | 19/59 | |
| 2021-10-24 | 50km | 8:13:54 h | 6.074 | 60/87 | |
| 2021-11-13 | 50mi | 12:57:29 h | 6.210 | 174/220 | |
| 2022-04-23 | 50km | 6:54:18 h | 7.241 | 130/269 | |
| 2022-10-23 | 50km | 8:28:11 h | 5.903 | 54/73 | |
| 2023-08-12 | 100mi | 34:12:18 h | 4.705 | 83/131 | |
| 2023-10-22 | 50km | 8:31:41 h | 5.863 | 60/85 | |
| 2024-04-20 | 50km | 7:41:38 h | 6.499 | 277/359 | |
| 2024-10-20 | 50km | 8:09:23 h | 6.130 | 45/79 | |
| 2025-03-15 | 100km | 18:34:20 h | 5.384 | 50/106 | |
| 2025-05-03 | 50km | 7:25:20 h | 6.737 | 48/189 | |
| 2025-10-19 | 50km | 8:52:32 h | 5.633 | 38/50 | |
| 2026-05-02 | 50km | 7:46:12 h | 6.435 | 79/258 | |
| 2026-05-30 | 100km | 18:12:42 h | 5.491 | 137/199 |