Progress against the field
Marius Jacobsohn has dropped 5:37 behind the field from Johannesburg 2025 to Johannesburg 2026.
The clock says 4:12 faster, but the races themselves got 9:49 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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
4 races · 4 events
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Johannesburg30 May 2026Individual Open · Men1:56:24 PB548/740Beat 26%
↑ 182 days after Johannesburg 2025 5:37 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:12 faster on the clock looks better than it was: the race was 9:49 faster for everyone, which leaves this 5:37 behind the field.
The fieldCompare these two →9:49 faster This athlete4:12 faster -
Cape Town 13 Apr 2026Doubles Open · Men1:28:05169/308Beat 45%
↑ 258 days after Cape Town 2025, with Stefan van Huyssteen 5:01 worse than the field Why ↓Close ↑
5:01 behind the field: 2:15 slower on the clock, against 2:46 faster for everyone.
The fieldCompare these two →2:46 faster This pair2:15 slower -
Johannesburg29 Nov 2025Individual Open · Men2:00:36478/652Beat 27%
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Cape Town19 Jul 2025Doubles Open · Men1:25:50 PB309/477Beat 35%