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Athlete United Kingdom

Karla Harris

Karla Harris has raced HYROX 5 times since 2025, in 2 categories, most often the women's Doubles Open (4). The fastest of 4 in the women's Doubles Open is 1:19:33 at Dublin 2025, 184th of 525 women's teams, faster than 65% of the field. On the clock, that is 4:28 faster than the first of them, at Rome 2025, both times with Kay Woolliscroft.

Best finish, by category
Doubles Open · Women
1:19:33
Dublin 2025
Doubles Open · Mixed
1:30:40
Cardiff 2025

Progress against the field

Between Rome 2025 and Dublin 2025, Karla Harris and Kay Woolliscroft lost 0:41 to the field.

Over the same races everyone got 5:09 quicker, so 4:28 faster on the clock looks better than it was.

Time ahead of the field Up is better
Rome 2025 Dublin 2025
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

5 races · 5 events

  1. Glasgow
    11 Mar 2026
    Doubles Open · Women
    1:30:44
    884/1618
    Beat 45%
  2. Dublin
    12 Nov 2025
    Doubles Open · Women
    1:19:33 PB
    184/525
    Beat 65%
    ↑ 21 days after Birmingham 2025, with Kay Woolliscroft 0:41 worse than the field Faster on the clock, behind the field Why ↓

    1:57 faster on the clock, yet the race was 2:38 faster for everyone, so 0:41 was lost on the field.

    Compare these two →
  3. Birmingham
    22 Oct 2025
    Doubles Open · Women
    1:21:30
    405/1111
    Beat 64%
    ↑ 26 days after Rome 2025, with Kay Woolliscroft 0:00 better than the field Why ↓

    2:31 faster on the clock, and the race was 2:31 faster for everyone. Whatever changed, it changed for all of them.

    Compare these two →
  4. Rome
    26 Sep 2025
    Doubles Open · Women
    1:24:01
    341/673
    Beat 49%
  5. Cardiff
    30 May 2025
    Doubles Open · Mixed
    1:30:40 PB
    217/267
    Beat 19%

Personal bests, by station

4:18
Birmingham 2025
1:30
Dublin 2025
3:21
Dublin 2025
4:19
Dublin 2025
4:40
Birmingham 2025
1:30
Birmingham 2025
3:21
Dublin 2025
4:06
Birmingham 2025

Station by station, race by race

Doubles Open · Women Faster is lower
1000m SkiErg
4:44 4:18
50m Sled Push
1:52 1:30
50m Sled Pull
4:02 3:21
80m Burpee Broad Jump
5:12 4:19
1000m Row
5:14 4:40
200m Farmers Carry
1:45 1:30
100m Sandbag Lunges
4:13 3:21
Wall Balls
5:01 4:06