Progress against the field
Between Amsterdam 2026 and Maastricht 2026, Mayfen Rees lost 3:46 to the field.
The clock says 3:06 slower, but the races themselves got 0:40 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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Maastricht19 Sep 2026Individual Open · Men1:40:50901/1119Beat 20%
↑ 241 days after Amsterdam 2026 3:46 worse than the field Why ↓Close ↑
3:06 slower on the clock in a race that was 0:40 faster for everyone: 3:46 lost to the field.
The fieldCompare these two →0:40 faster This athlete3:06 slower -
Amsterdam21 Jan 2026Individual Open · Men1:37:44 PB492/608Beat 19%