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Athlete South Africa

Robert Kieser

Robert Kieser has raced HYROX 3 times at 2 events in 2025, in 2 categories, most often the mixed Doubles Open (2). The fastest of 2 in the mixed Doubles Open is 1:15:37 at Cape Town 2025, 123rd of 547 mixed teams, faster than 78% of the field. On the clock, that is 9:42 faster than the first of them, at Johannesburg I 2025, both times with Aimee Kieser.

Best finish, by category
Doubles Open · Mixed
1:15:37
Cape Town 2025

Progress against the field

Between Johannesburg I 2025 and Cape Town 2025, Robert Kieser and Aimee Kieser pulled 2:16 ahead of the field.

The clock says 9:42 faster, but the races themselves got 7:26 quicker for everyone.

Race by race, in the list below ↓
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 · 2 events

  1. Cape Town
    19 Jul 2025
    Doubles Open · Mixed
    1:15:37 PB
    123/547
    Beat 78%
    ↑ 140 days after Johannesburg I 2025, with Aimee Kieser 2:16 better than the field Why ↓

    2:16 better than the field: 9:42 faster on the clock, against 7:26 faster for everyone.

    Compare these two →
  2. Cape Town
    19 Jul 2025
    Relay · Mixed
    1:12:44
    12/45
    Beat 73%
  3. Johannesburg I
    1 Mar 2025
    Doubles Open · Mixed
    1:25:19
    135/372
    Beat 64%

Personal bests, by station

4:07
Johannesburg I 2025
1:48
Cape Town 2025
3:37
Cape Town 2025
3:18
Cape Town 2025
4:43
Cape Town 2025
1:42
Cape Town 2025
3:30
Cape Town 2025
4:16
Cape Town 2025

Station by station, race by race

Doubles Open · Mixed Faster is lower
1000m SkiErg
4:33 4:07
50m Sled Push
1:54 1:48
80m Burpee Broad Jump
4:50 3:18
1000m Row
4:53 4:43
200m Farmers Carry
1:45 1:42
100m Sandbag Lunges
4:34 3:30
Wall Balls
5:25 4:16