Progress against the field
Between Johannesburg 2025 and Cape Town 1 2026, Grendel Alvarado pulled 24:47 ahead of the field.
Over the same races everyone got 10:28 quicker, so 35:15 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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Cape Town 13 Apr 2026Individual Open · Women1:53:54 PB219/364Beat 40%
↑ 125 days after Johannesburg 2025 24:47 better than the field Why ↓Close ↑
35:15 faster on the clock, and the race was 10:28 faster for everyone, so 24:47 of it was this athlete.
The fieldCompare these two →10:28 faster This athlete35:15 faster -
Johannesburg29 Nov 2025Individual Open · Women2:29:09456/550Beat 17%