ATHLETE PROFILE
Ju-Mari Serfontein
🇿🇦 RSA 1 race Best time 1:29:46
Finished top 15% of Open Women at HYROX Johannesburg 2025; 1 race, best 1:29:46.
Race insights
Ju-Mari Serfontein's best finish relative to the field was 2025 Johannesburg: 1:29:46, rank 120 of 829 in Open Women (top 15%). The division median that day was 1:49:15.
At 2025 Johannesburg, running made up 49% of Ju-Mari Serfontein's 1:29:46 (division median 50%): run time was 10 min 00 sec faster than the median run time, while the workout stations were 6 min 11 sec faster than the median workout time (Open Women).
Race history
| Event | Division | Finish | Time | Run | Workout |
|---|---|---|---|---|---|
| 2025 Johannesburg | Open Women | #120 of 829(top 15%) | 1:29:46 | 44:22 | 39:40 |
Times come from official HYROX results. Finish shows the rank within the division at that event, with the top percentage of the field in brackets.
Finished alongside Ju-Mari Serfontein
At 2025 Johannesburg, Open Women:
- #115 Emily Blake - Goudemond — 1:28:31
- #116 Kendall Remmington — 1:29:35
- #117 Kendall Remmington — 1:29:35
- #118 Venessa Nelson — 1:29:39
- #119 Venessa Nelson — 1:29:39
- #122 Lisa-Marie Bosman — 1:30:03
- #123 Lisa-Marie Bosman — 1:30:03
- #124 Robyn Anderson — 1:30:04
- #125 Susan Buys — 1:30:05