Progress against the field
Jason Mack has gained 1:15 on the field from Houston 2026 to Washington DC 2026.
The clock says 6:31 faster, but the races themselves got 5:16 quicker for everyone.
The biggest step was Houston 2026 → New York 2026: 4:18 on the field in 63 days.
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
3 races · 3 events
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Washington DC3 Sep 2026Individual Open · Men1:34:24 PB774/1462Beat 47%
↑ 98 days after New York 2026 3:03 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:32 faster on the clock looks better than it was: the race was 3:35 faster for everyone, which leaves this 3:03 behind the field.
The fieldCompare these two →3:35 faster This athlete0:32 faster -
New York28 May 2026Individual Open · Men1:34:56217/392Beat 45%
↑ 63 days after Houston 2026 4:18 better than the field Why ↓Close ↑
5:59 faster on the clock, and the race was 1:41 faster for everyone, so 4:18 of it was this athlete.
The fieldCompare these two →1:41 faster This athlete5:59 faster -
Houston26 Mar 2026Individual Open · Men1:40:55807/1243Beat 35%