Progress against the field
Between Atlanta 2025 and Boston 2026, Jack Mariana lost 5:50 to the field.
The clock says 3:55 faster, but the races themselves got 9:45 quicker for everyone.
188 days between Miami 2026 and Boston 2026 is the longest gap compared here, and the second race was 5:00 behind the field.
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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Boston8 Oct 2026Individual Open · Men1:15:3136/418Beat 91%
↑ 188 days after Miami 2026 5:00 worse than the field Why ↓Close ↑
1:54 slower on the clock in a race that was 3:06 faster for everyone: 5:00 lost to the field.
The fieldCompare these two →3:06 faster This athlete1:54 slower -
Miami3 Apr 2026Individual Open · Men1:13:37 PB190/1462Beat 87%
↑ 133 days after Dallas 2025 2:11 better than the field Why ↓Close ↑
2:11 better than the field: 5:03 faster on the clock, against 2:52 faster for everyone.
The fieldCompare these two →2:52 faster This athlete5:03 faster -
Dallas21 Nov 2025Individual Open · Men1:18:40442/2078Beat 79%
↑ 21 days after Atlanta 2025 3:01 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:46 faster on the clock looks better than it was: the race was 3:47 faster for everyone, which leaves this 3:01 behind the field.
The fieldCompare these two →3:47 faster This athlete0:46 faster -
Atlanta31 Oct 2025Relay · Mixed1:21:5311/34Beat 68%
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Atlanta31 Oct 2025Individual Open · Men1:19:26162/788Beat 79%