Progress against the field
Foster Jondro has gained 15:19 on the field from New York 2026 to Boston 2026.
The clock says 16:42 faster, but the races themselves got 1:23 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
4 races · 3 events
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Boston8 Oct 2026Individual Open · Men1:18:35 PB46/250Beat 82%
↑ 133 days after New York 2026 15:19 better than the field Why ↓Close ↑
16:42 faster on the clock, and the race was 1:23 faster for everyone, so 15:19 of it was this athlete.
The fieldCompare these two →1:23 faster This athlete16:42 faster -
Boston8 Oct 2026Doubles Open · Men1:09:42 PB57/261Beat 78%
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New York28 May 2026Individual Open · Men1:35:17158/282Beat 44%
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Boston26 Sep 2025Doubles Open · Men1:17:36375/734Beat 49%