van der Werff, Johan
South AfricaManBorn 19481983 – 2010Runner id 335430
Events
27
1983 – 2010
Best pace
12.116
km/h · 1983
Best finish
338th
of 5,364 · 1983
Distance raced
2,279
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 27 races from 1983 to 2010, ranging from 7.53 to 12.46 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 |
|---|---|---|---|---|---|
| 1983-05-31 | Comrades Marathon - Up RunSouth Africa | 88km | 7:15:48 h | 12.116 | 338/5364 |
| 1984-06-01 | Comrades Marathon - Down RunSouth Africa | 90km | 8:56:28 h | 10.066 | 2838/7105 |
| 1985-05-31 | Comrades Marathon - Up RunSouth Africa | 88km | 7:34:23 h | 11.620 | 686/8192 |
| 1986-05-31 | Comrades Marathon - Down RunSouth Africa | 89km | 7:52:50 h | 11.294 | 1565/9654 |
| 1987-05-31 | Comrades Marathon - Up RunSouth Africa | 87km | 8:29:36 h | 10.243 | 1715/8376 |
| 1988-04-02 | Two Oceans MarathonSouth Africa | 56km | 4:38:07 h | 12.081 | 1211/5865 |
| 1988-05-31 | Comrades Marathon - Up RunSouth Africa | 87km | 8:45:06 h | 9.941 | 2762/10363 |
| 1989-05-31 | Comrades Marathon - Down RunSouth Africa | 89km | 8:36:26 h | 10.340 | 2314/10505 |
| 1990-04-14 | Two Oceans MarathonSouth Africa | 56km | 4:43:28 h | 11.853 | 1715/6888 |
| 1990-05-31 | Comrades Marathon - Up RunSouth Africa | 87km | 8:54:14 h | 9.771 | 2944/10271 |
| 1991-05-31 | Comrades Marathon - Down RunSouth Africa | 89km | 7:53:51 h | 11.269 | 1582/12080 |
| 1992-05-30 | Comrades Marathon - Up RunSouth Africa | 87km | 9:19:39 h | 9.327 | 3806/10693 |
| 1993-05-31 | Comrades Marathon - Down RunSouth Africa | 89km | 8:56:56 h | 9.945 | 3399/11320 |
| 1994-05-31 | Comrades Marathon - Up RunSouth Africa | 87km | 8:58:54 h | 9.686 | 2854/10272 |
| 1995-05-20 | Comrades Marathon - Down RunSouth Africa | 89km | 8:49:48 h | 10.079 | 2438/10541 |
| 1996-06-17 | Comrades Marathon - Up RunSouth Africa | 87km | 8:34:10 h | 10.152 | 2339/11268 |
| 1997-06-16 | 89km | 8:55:15 h | 9.977 | 2989/11355 | |
| 1998-06-16 | 87km | 9:09:37 h | 9.498 | 2973/10496 | |
| 1999-06-16 | 89km | 9:48:59 h | 9.066 | 5355/11291 | |
| 2000-06-16 | 87km | 9:26:44 h | 9.211 | 4976/20027 | |
| 2001-06-16 | 89km | 8:56:05 h | 9.961 | 3060/11089 | |
| 2002-06-17 | 87km | 10:33:35 h | 8.239 | 6430/9027 | |
| 2003-06-16 | 89km | 10:42:54 h | 8.306 | 7521/11416 | |
| 2004-06-16 | 87km | 10:15:52 h | 8.476 | 4952/10124 | |
| 2005-06-16 | 89km | 11:49:15 h | 7.529 | 11017/11729 | |
| 2010-05-30 | 89km | 11:44:37 h | 7.579 | 12506/14339 | |
| 2010-10-04 | 52km | 5:50:32 h | 8.901 | 296/494 |