Progress against the field
Marla Del Rosario has dropped 1:00 behind the field from Anaheim 2025 to Las Vegas 2026.
Over the same races everyone got 6:23 quicker, so 5:23 faster on the clock looks better than it was.
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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
5 races · 3 events
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New York28 May 2026Doubles Open · Women1:25:07125/722Beat 83%
↑ 167 days after Anaheim 2025, with Joana Perez 0:50 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:20 faster on the clock, yet the race was 2:10 faster for everyone, so 0:50 was lost on the field.
The fieldCompare these two →2:10 faster This pair1:20 faster -
Las Vegas20 Feb 2026Doubles Open · Women1:19:28 PB303/1898Beat 84%
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Las Vegas20 Feb 2026Individual Open · Women1:27:45 PB483/1796Beat 73%
↑ 70 days after Anaheim 2025 1:00 worse than the field Faster on the clock, behind the field Why ↓Close ↑
5:23 faster on the clock looks better than it was: the race was 6:23 faster for everyone, which leaves this 1:00 behind the field.
The fieldCompare these two →6:23 faster This athlete5:23 faster -
Anaheim12 Dec 2025Doubles Open · Women1:26:27299/899Beat 67%
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Anaheim12 Dec 2025Individual Open · Women1:33:08421/1383Beat 70%