Progress against the field
From Johannesburg I 2025 to Johannesburg 2026, the field gained 3:14 on Craig Du Preez and Ashley Du Preez.
Over the same races everyone got 7:33 quicker, so 4:19 faster on the clock looks better than it was.
The longest gap between two races compared here, 273 days between Johannesburg I 2025 and Johannesburg 2025, cost 2:07 on the field.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
4 races · 4 events
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Cape Town14 Aug 2026Individual Open · Men1:20:09 PB137/652Beat 79%
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Johannesburg30 May 2026Doubles Open · Mixed1:20:04 PB131/684Beat 81%
↑ 182 days after Johannesburg 2025, with Ashley Du Preez 1:07 worse than the field Faster on the clock, behind the field Why ↓Close ↑
5:43 faster on the clock, yet the race was 6:50 faster for everyone, so 1:07 was lost on the field.
The fieldCompare these two →6:50 faster This pair5:43 faster -
Johannesburg29 Nov 2025Doubles Open · Mixed1:25:47183/594Beat 69%
↑ 273 days after Johannesburg I 2025, with Ashley Du Preez 2:07 worse than the field Why ↓Close ↑
2:07 behind the field: 1:24 slower on the clock, against 0:43 faster for everyone.
The fieldCompare these two →0:43 faster This pair1:24 slower -
Johannesburg I1 Mar 2025Doubles Open · Mixed1:24:23127/372Beat 66%