Progress against the field
Between Boston 2025 and Tampa 2026, Heidi Bartels lost 1:19 to the field.
The clock says 6:28 faster, but the races themselves got 7:47 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
5 races · 4 events
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Tampa22 Oct 2026Individual Open · Women1:25:03 PB78/406Beat 81%
↑ 49 days after Washington DC 2026 0:45 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:35 faster on the clock, yet the race was 2:20 faster for everyone, so 0:45 was lost on the field.
The fieldCompare these two →2:20 faster This athlete1:35 faster -
Washington DC3 Sep 2026Individual Open · Women1:26:38194/1029Beat 81%
↑ 342 days after Boston 2025 0:34 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:53 faster on the clock, yet the race was 5:27 faster for everyone, so 0:34 was lost on the field.
The fieldCompare these two →5:27 faster This athlete4:53 faster -
Miami3 Apr 2026Doubles Open · Women1:20:08 PB178/987Beat 82%
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Miami3 Apr 2026Doubles Open · Mixed1:13:28 PB251/1477Beat 83%
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Boston26 Sep 2025Individual Open · Women1:31:31535/1290Beat 59%