Progress against the field
Summer Mizera has gained 0:42 on the field from Las Vegas 2025 to Boston 2026.
The clock says 10:58 faster, but the races themselves got 10:16 quicker for everyone.
252 days between Phoenix 2026 and Boston 2026 is the longest gap compared here, and the second race was 5:08 better than 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
8 races · 8 events
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Boston8 Oct 2026Individual Open · Women1:39:55351/722Beat 51%
↑ 252 days after Phoenix 2026 5:08 better than the field Why ↓Close ↑
4:34 faster on the clock in a race that was 0:34 slower for everyone: 5:08 better than the field.
The fieldCompare these two →0:34 slower This athlete4:34 faster -
Washington DC3 Sep 2026Doubles Pro · Women1:21:27 PB111/223Beat 50%
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New York28 May 2026Doubles Open · Women1:35:22 PB541/1048Beat 48%
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Phoenix29 Jan 2026Individual Open · Women1:44:29379/550Beat 31%
↑ 69 days after Dallas 2025 12:45 worse than the field Why ↓Close ↑
8:52 slower on the clock in a race that was 3:53 faster for everyone: 12:45 lost to the field.
The fieldCompare these two →3:53 faster This athlete8:52 slower -
Dallas21 Nov 2025Individual Open · Women1:35:37 PB684/1494Beat 54%
↑ 56 days after Boston 2025 1:26 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:03 faster on the clock, yet the race was 2:29 faster for everyone, so 1:26 was lost on the field.
The fieldCompare these two →2:29 faster This athlete1:03 faster -
Boston26 Sep 2025Individual Open · Women1:36:40678/1290Beat 47%
↑ 237 days after Las Vegas 2025 9:45 better than the field Why ↓Close ↑
9:45 better than the field: 14:13 faster on the clock, against 4:28 faster for everyone.
The fieldCompare these two →4:28 faster This athlete14:13 faster -
Las Vegas1 Feb 2025Individual Open · Women1:50:53242/326Beat 26%
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Washington D.C. Open North American ChampionshipsDate unknownIndividual Open · Women1:37:37548/893Beat 39%