Progress against the field
From Toronto 2025 to Las Vegas 2026, Lisa Dufresne got 1:39 faster than the field.
Over the same races everyone got 8:04 quicker, so 9:43 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.
Every race
2 races · 2 events
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Las Vegas20 Feb 2026Individual Open · Women1:30:31 PB593/1796Beat 67%
↑ 140 days after Toronto 2025 1:39 better than the field Why ↓Close ↑
1:39 better than the field: 9:43 faster on the clock, against 8:04 faster for everyone.
The fieldCompare these two →8:04 faster This athlete9:43 faster -
Toronto3 Oct 2025Individual Open · Women1:40:14281/581Beat 52%