van Schalkwyk, Herbert Francis (Burt)
South AfricaManBorn 19762001 – 2025Runner id 296807
Events
46
42 race dates
Best pace
11.541
km/h · 2012
Best finish
1699th
of 11,080 · 2011
Distance raced
3,000
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 42 races and 4 splits from 2001 to 2025, ranging from 4.70 to 11.60 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 |
|---|---|---|---|---|---|
| 2001-06-16 | 89km | 10:58:12 h | 8.113 | 10877/11089 | |
| 2002-03-30 | 56km | 6:25:41 h | 8.712 | 5434/6494 | |
| 2003-04-19 | 56km | 5:37:55 h | 9.943 | 2944/6251 | |
| 2003-06-16 | 89km | 9:59:53 h | 8.902 | 5314/11416 | |
| 2004-03-13 | 56km | 6:17:52 h | 8.892 | 175/293 | |
| 2004-04-10 | 56km | 6:13:55 h | 8.986 | 6430/8689 | |
| 2004-06-16 | 87km | 10:03:28 h | 8.650 | 4417/10124 | |
| 2005-03-26 | 56km | 6:13:58 h | 8.985 | 5163/6982 | |
| 2005-04-23 | 50km | 4:48:04 h | 10.414 | 1763/4144 | |
| 2005-06-16 | 89km | 9:47:28 h | 9.090 | 4534/11729 | |
| 2006-04-15 | 56km | 6:13:27 h | 8.997 | 4816/6881 | |
| 2006-06-16 | 87km | 9:20:36 h | 9.311 | 2963/9847 | |
| 2007-06-17 | 89km | 9:46:33 h | 9.104 | 3806/10052 | |
| 2008-06-15 | 87km | 9:45:00 h | 8.923 | 2967/8631 | |
| 2009-04-11 | 56km | 5:57:10 h | 9.407 | 3337/5827 | |
| 2009-05-24 | 89km | 11:05:44 h | 8.021 | 7330/10003 | |
| 2010-04-03 | 56km | 5:42:47 h | 9.802 | 2841/7302 | |
| 2010-04-03 | Two Oceans Marathon - 50km SplitSouth AfricaIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 50km | 5:03:30 h | 9.885 | 2769/7258 |
| 2010-05-30 | 89km | 10:15:11 h | 8.680 | 5841/14339 | |
| 2011-04-23 | 56km | 5:27:32 h | 10.258 | 2062/5991 | |
| 2011-04-23 | Two Oceans Marathon - 50km SplitSouth AfricaSplit of a longer race in this career; not counted again in the distance totalESKMPL | 50km | 4:46:43 h | 10.463 | 1913/5940 |
| 2011-05-29 | 87km | 8:46:40 h | 9.911 | 1699/11080 | |
| 2012-04-07 | 56km | 5:21:27 h | 10.453 | 2069/7700 | |
| 2012-04-07 | Two Oceans Marathon - 50km SplitSouth AfricaIAU GoldSplit of a longer race in this career; not counted again in the distance totalEskom Gijimas Mpumalanga | 50km | 4:47:24 h | 10.438 | 2179/7688 |
| 2012-04-21 | 50km | 4:19:56 h | 11.541 | 484/3053 | |
| 2012-06-03 | 89km | 8:40:45 h | 10.254 | 1886/11896 | |
| 2013-03-30 | 56km | 5:35:32 h | 10.014 | 2812/8246 | |
| 2013-03-30 | Two Oceans Marathon - 50km SplitSouth AfricaIAU GoldSplit of a longer race in this career; not counted again in the distance totalEskom Athletic Club Mp... | 50km | 4:52:48 h | 10.246 | 2506/8190 |
| 2013-04-20 | Loskop Ultra Marathon 50kmSouth Africa | 50km | 4:35:08 h | 10.904 | 648/2920 |
| 2013-06-02 | 87km | 9:29:07 h | 9.172 | 2282/10186 | |
| 2014-03-15 | 50km | 5:51:04 h | 8.545 | 1895/2273 | |
| 2014-06-01 | 89km | 10:39:34 h | 8.349 | 5939/11991 | |
| 2014-10-04 | 80km | 8:43:04 h | 9.177 | 32/122 | |
| 2015-05-31 | 87km | 10:48:27 h | 8.050 | 6576/13008 | |
| 2016-03-12 | 50km | 5:47:07 h | 8.643 | 1578/2843 | |
| 2016-05-29 | 89km | 9:27:02 h | 9.417 | 3634/14603 | |
| 2017-04-22 | 50km | 5:28:43 h | 9.126 | 1818/3094 | |
| 2017-06-04 | 87km | 11:49:58 h | 7.352 | 12567/13851 | |
| 2018-04-21 | Loskop Ultra Marathon 50kmSouth Africa | 50km | 4:54:19 h | 10.193 | 1065/3486 |
| 2018-06-10 | 90km | 9:54:19 h | 9.086 | 5344/16484 | |
| 2019-06-09 | 87km | 10:27:09 h | 8.323 | 7198/16448 | |
| 2022-03-20 | Magoebas Forest MarathonSouth Africa | 50km | 10:38:01 h | 4.702 | 95/113 |
| 2022-08-28 | 90km | 11:28:45 h | 7.840 | 9032/11713 | |
| 2024-04-20 | 50km | 5:04:21 h | 9.857 | 629/1845 | |
| 2024-06-09 | 87km | 10:14:02 h | 8.501 | 7567/17304 | |
| 2025-06-08 | 90km | 10:54:18 h | 8.253 | 10847/18212 |