Progress against the field
From Johannesburg I 2025 to Johannesburg 2025, the field gained 4:03 on Portia Skosana.
The clock says 2:41 slower, but the races themselves got 1:22 quicker for everyone.
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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Johannesburg29 Nov 2025Individual Open · Women2:08:55364/550Beat 34%
↑ 273 days after Johannesburg I 2025 4:03 worse than the field Why ↓Close ↑
2:41 slower on the clock in a race that was 1:22 faster for everyone: 4:03 lost to the field.
The fieldCompare these two →1:22 faster This athlete2:41 slower -
Johannesburg I1 Mar 2025Individual Open · Women2:06:14 PB280/382Beat 27%