Ronald Jan Groen & Calvin Lok
Finished top 53% of Doubles at HYROX Heerenveen 2025; 2 races, best 1:17:56.
Race insights
Ronald Jan Groen & Calvin Lok's best finish relative to the field was 2025 Heerenveen: 1:18:57, rank 211 of 404 in Doubles (top 53%). The division median that day was 1:18:49.
At 2025 Gent, running made up 59% of Ronald Jan Groen & Calvin Lok's 1:17:56 (division median 54%): run time was 4 min 53 sec slower than the median run time, while the workout stations were 3 min 26 sec faster than the median workout time (Doubles).
From 2025 Gent (1:17:56) to 2025 Heerenveen (1:18:57), Ronald Jan Groen & Calvin Lok finished slower by 1 min 01 sec in Doubles; the fastest race in that run was 2025 Gent at 1:17:56.
Race history
| Event | Division | Finish | Time | Run | Workout |
|---|---|---|---|---|---|
| 2025 Heerenveen | Doubles | #211 of 404(top 53%) | 1:18:57 | 45:43 | 25:15 |
| 2025 Gent | Doubles | #221 of 384(top 58%) | 1:17:56 | 46:06 | 24:13 |
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 Ronald Jan Groen & Calvin Lok
At 2025 Heerenveen, Doubles:
- #206 Robbert-Jan Vasse & Céline Heijne — 1:18:53
- #207 Mariska Spitse & Tessa Walta — 1:18:55
- #208 Mark Van Blijenburgh & Kasper Heijdra — 1:18:56
- #209 Sungi Verhaar & Paul Verhaar — 1:18:57
- #210 Ramon Kinneging & Bas Van Wijngaarden — 1:18:57
- #212 Johanna Bergsma & Aaltsje Swart — 1:19:01
- #213 Levi Mastenbroek & Nino Lutam — 1:19:04
- #214 Jolyn Eerhart & Arjan Eerhart — 1:19:10
- #215 Roos Weers & Alma Fenne — 1:19:14
- #216 Xander Graaf & Rianne Rotgans — 1:19:19