Koch, Isabel Aletta
South AfricaWomanBorn 19682005 – 2026Runner id 302654
Events
41
40 race dates
Best pace
9.526
km/h · 2016
Best finish
5757th
of 14,603 · 2016
Distance raced
2,740
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 40 races and 1 split from 2005 to 2026, ranging from 3.82 to 10.66 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
- Split of a race already plotted
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2005-04-23 | 50km | 5:21:09 h | 9.341 | 2899/4144 | |
| 2005-06-16 | 89km | 10:55:55 h | 8.141 | 8546/11729 | |
| 2007-06-17 | 89km | 10:54:18 h | 8.161 | 6827/10052 | |
| 2008-06-15 | 87km | 11:34:16 h | 7.519 | 7067/8631 | |
| 2009-05-24 | 89km | 10:53:55 h | 8.166 | 6832/10003 | |
| 2010-05-30 | 89km | 10:19:01 h | 8.627 | 6046/14339 | |
| 2011-05-29 | 87km | 11:34:40 h | 7.514 | 8989/11080 | |
| 2012-06-03 | 89km | 10:19:22 h | 8.622 | 5305/11896 | |
| 2013-04-20 | Loskop Ultra Marathon 50kmSouth Africa | 50km | 5:27:18 h | 9.166 | 1831/2920 |
| 2013-06-02 | 87km | 11:26:15 h | 7.607 | 7043/10186 | |
| 2013-07-06 | Rhodes 52 km Trail RunSouth Africa | 52km | 8:16:10 h | 6.288 | 189/271 |
| 2014-03-15 | 50km | 5:59:18 h | 8.350 | 2238/2273 | |
| 2014-04-12 | 50km | 5:25:23 h | 9.220 | 1635/2730 | |
| 2014-06-01 | 89km | 10:53:13 h | 8.175 | 7004/11991 | |
| 2014-07-12 | Rhodes 52 km Trail RunSouth Africa | 52km | 8:15:35 h | 6.296 | 170/239 |
| 2015-03-21 | 50km | 6:21:08 h | 7.871 | 2504/3336 | |
| 2015-04-18 | 50km | 5:15:59 h | 9.494 | 1657/3360 | |
| 2015-05-31 | 87km | 10:58:29 h | 7.927 | 7430/13008 | |
| 2016-04-10 | 48km | 5:24:25 h | 8.877 | 908/1498 | |
| 2016-04-16 | 50km | 5:14:55 h | 9.526 | 1454/3285 | |
| 2016-05-29 | 89km | 10:14:24 h | 8.691 | 5757/14603 | |
| 2017-04-02 | 48km | 5:44:27 h | 8.361 | 2022/2905 | |
| 2017-06-04 | 87km | 10:59:37 h | 7.914 | 8588/13851 | |
| 2018-04-08 | 48km | 5:28:16 h | 8.773 | 1601/2811 | |
| 2018-04-21 | 50km | 5:40:44 h | 8.805 | 2241/3486 | |
| 2018-06-10 | 90km | 11:29:43 h | 7.829 | 12717/16484 | |
| 2019-06-09 | 87km | 11:20:23 h | 7.672 | 11283/16448 | |
| 2022-08-28 | 90km | 10:59:48 h | 8.184 | 7618/11713 | |
| 2022-11-19 | SkyRun Lite 65 KmSouth Africa | 65km | 17:00:48 h | 3.821 | 71/90 |
| 2023-04-15 | 56km | 6:41:54 h | 8.360 | 6801/7958 | |
| 2023-04-15 | Two Oceans Marathon - 50km SplitSouth AfricaIAU GoldSplit of a longer race in this career; not counted again in the distance totalGreen Mile AC | 50km | 5:59:54 h | 8.336 | 6804/7958 |
| 2023-05-06 | 50km | 5:54:16 h | 8.468 | 657/735 | |
| 2023-06-11 | 87km | 11:47:19 h | 7.380 | 14122/14898 | |
| 2024-04-06 | 48km | 5:40:31 h | 8.458 | 1082/1540 | |
| 2024-04-20 | 50km | 5:57:32 h | 8.391 | 1373/1845 | |
| 2024-06-09 | 87km | 11:47:55 h | 7.374 | 15670/17304 | |
| 2025-03-22 | Irene Running Festival 48KSouth Africa | 48km | 5:49:30 h | 8.240 | 1040/1542 |
| 2025-05-04 | 50km | 5:48:28 h | 8.609 | 801/1136 | |
| 2025-06-08 | 90km | 11:40:01 h | 7.714 | 15197/18212 | |
| 2026-04-25 | 50km | 5:47:37 h | 8.630 | 1524/2374 | |
| 2026-06-14 | 86km | 11:19:58 h | 7.589 | 13264/18282 |