Progress against the field
Between Utrecht 2025 and Heerenveen 2026, Katelijne Boerma and Barry De Vries pulled 12:55 ahead of the field.
The clock says 18:01 faster, but the races themselves got 5:06 quicker for everyone.
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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Heerenveen14 May 2026Doubles Open · Mixed1:13:04 PB114/461Beat 75%
↑ 167 days after Utrecht 2025, with Barry De Vries 12:55 better than the field Why ↓Close ↑
12:55 better than the field: 18:01 faster on the clock, against 5:06 faster for everyone.
The fieldCompare these two →5:06 faster This pair18:01 faster -
Amsterdam21 Jan 2026Relay · Mixed1:15:2636/68Beat 47%
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Utrecht28 Nov 2025Doubles Open · Mixed1:31:05276/381Beat 28%