Progress against the field
From Johannesburg 2025 to Johannesburg 2026, the field gained 6:23 on Mareli Van Schalkwyk.
Over the same races everyone got 7:39 quicker, so 1:16 faster on the clock looks better than it was.
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
2 races · 2 events
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Johannesburg30 May 2026Individual Open · Women1:17:09 PB12/633Beat 98%
↑ 182 days after Johannesburg 2025 6:23 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:16 faster on the clock, yet the race was 7:39 faster for everyone, so 6:23 was lost on the field.
The fieldCompare these two →7:39 faster This athlete1:16 faster -
Johannesburg29 Nov 2025Individual Open · Women1:18:258/550Beat 99%