The race, in three figures
The race, in words
1:21:08 at Birmingham 2025 put Roselyn Grufferty & James Grufferty 461st of 889 mixed teams in the Doubles Open division.
Legs and stations told different stories: 68% of the field beaten on the runs, 20% on the stations. The sandbag lunges cost the most time: 2:17 slower than the median. A harder second half: 3:32 more lost to the middle of the field after halfway than before it.
Birmingham gave the field time back: about 0:52 faster than the average race this season, by 1,430 teams who raced both.
Eight blocks
Bar = field beaten · tick = median
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Block 01 9:45Running 1 5:25v median −0:36
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Block 02 7:09Running 2 4:57v median −0:08
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Block 03 9:54Running 3 4:58v median −0:24
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Block 04 8:40Running 4 4:48v median −0:35
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Block 05 10:02Running 5 5:13v median −0:17
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Block 06 6:47Running 6 4:52v median −0:34
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Block 07 11:33Running 7 5:20v median −0:07
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Block 08 11:32Running 8 5:09v median −0:19
Roxzone, per block
Approach · Exit 5:54
Against the middle of your field
Mixed · n = 886
A pace, not a person: at every mat, the middle of the 886 mixed teams who finished.