Progress against the field
From Johannesburg I 2025 to Johannesburg 2026, Katlego Mthembu got 23:05 faster than the field.
Over the same races everyone got 8:11 quicker, so 31:16 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 Pro · Men1:27:49 PB54/131Beat 59%
↑ 455 days after Johannesburg I 2025 23:05 better than the field Why ↓Close ↑
31:16 faster on the clock, and the race was 8:11 faster for everyone, so 23:05 of it was this athlete.
The fieldCompare these two →8:11 faster This athlete31:16 faster -
Johannesburg I1 Mar 2025Individual Pro · Men1:59:0592/105Beat 12%