Progress against the field
From Johannesburg 2025 to Johannesburg 2026, the field gained 4:44 on Natalie Brewis.
The clock says 4:54 faster, but the races themselves got 9:38 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. The summary above covers Individual Pro · Women, the one raced most; every comparison is in the list below.
Every race
4 races · 4 events
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Johannesburg30 May 2026Individual Pro · Women1:21:38 PB9/77Beat 88%
↑ 182 days after Johannesburg 2025 4:44 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:54 faster on the clock looks better than it was: the race was 9:38 faster for everyone, which leaves this 4:44 behind the field.
The fieldCompare these two →9:38 faster This athlete4:54 faster -
Johannesburg29 Nov 2025Individual Pro · Women1:26:3211/63Beat 83%
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Johannesburg I1 Mar 2025Individual Open · Women1:15:50 PB6/382Beat 98%
↑ 161 days after Cape Town 2024 2:13 better than the field Why ↓Close ↑
1:19 faster on the clock in a race that was 0:54 slower for everyone: 2:13 better than the field.
The fieldCompare these two →0:54 slower This athlete1:19 faster -
Cape Town21 Sep 2024Individual Open · Women1:17:0916/147Beat 89%