van Alfen, Jan-W.
NetherlandsManBorn 19391971 – 1983Runner id 223703
Events
10
1971 – 1983
Best pace
7.267
km/h · 1976
Best finish
284th
of 861 · 1971
Distance raced
950
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 10 races from 1971 to 1983, ranging from 5.60 to 7.36 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 |
|---|---|---|---|---|---|
| 1971-09-04 | 100km | 14:14:16 h | 7.024 | 284/861 | |
| 1973-06-15 | 100km | 16:41:00 h | 5.994 | 932/2061 | |
| 1973-09-08 | 100km | 15:04:41 h | 6.632 | 424/880 | |
| 1975-06-13 | 100km | 15:48:00 h | 6.329 | 1045/2614 | |
| 1975-09-06 | 100km | 16:13:54 h | 6.161 | 399/598 | |
| 1976-09-04 | 100km | 17:05:06 h | 5.853 | 440/604 | |
| 1976-10-31 | 100km | 13:45:37 h | 7.267 | 85/107 | |
| 1977-06-10 | 100 km Lauf BielSwitzerland | 100km | 17:51:00 h | 5.602 | 1767/2718 |
| 1981-10-17 | 100km | 14:06:55 h | 7.085 | 11/23 | |
| 1983-05-14 | 50km | 7:18:10 h | 6.847 | 4/3 |