Overal, Sjirk
NetherlandsManBorn 19612010 – 2026Runner id 152726
Events
86
69 race dates
Best pace
11.871
km/h · 2021
Best finish
2nd
of 44 · 2014
Distance raced
7,046
km · splits not double-counted
Pace over time
84 of 86 results · km/h
Pace over time: 74 races and 10 splits from 2010 to 2026, ranging from 5.90 to 14.58 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.
- Actual pace
- Age-graded pace
- Split of a race already plotted
2 results are not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2023-06-17 | TaMarathon Ultra MimaNetherlands | 50km | 5:03:46 h | 9.876 | 2/13 |
| 2023-06-24 | De 100 mijl van Sint-AnnenNetherlands | 100mi | 23:07:56 h | 6.957 | 1/4 |
| 2023-07-08 | 50km | 5:30:07 h | 9.088 | 10/35 | |
| 2023-09-09 | 100km | 10:55:39 h | 9.151 | 10/11 | |
| 2023-09-09 | 100km | 10:55:39 h | 9.151 | 31/36 | |
| 2023-09-09 | RUN Winschoten 100 km - 50km SplitNetherlandsIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 50km | 4:33:51 h | 10.955 | 28/36 |
| 2023-09-09 | RUN Winschoten 100 km - 50mi SplitNetherlandsIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 50mi | 9:09:26 h | 8.787 | 31/36 |
| 2023-09-09 | RUN Winschoten 100 km - 6h SplitNetherlandsIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 6h | 60.000 km | 10.000 | 29/36 |
| 2024-01-27 | 100km | 10:42:37 h | 9.337 | 13/31 | |
| 2024-01-27 | HoHo 100km - 50km SplitNetherlandsIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 50km | 4:47:28 h | 10.436 | 12/31 |
| 2024-01-27 | HoHo 100km - 50mi SplitNetherlandsIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 50mi | 8:25:54 h | 9.543 | 14/31 |
| 2024-03-09 | 80km | 9:13:22 h | 8.674 | 35/68 | |
| 2024-03-24 | 120km | 13:28:04 h | 8.910 | 17/17 | |
| 2024-06-22 | De 100 mijl van Sint-AnnenNetherlands | 100mi | 23:46:53 h | 6.767 | 3/10 |
| 2024-07-20 | 21h | 134.120 km | 20laps | 2/28 | |
| 2024-09-14 | 50km | 4:20:18 h | 11.525 | 25/79 | |
| 2024-09-14 | 50km | 4:20:18 h | 11.525 | 15/24 | |
| 2024-09-28 | 246km | 35:12:21 h | 6.987 | 159/194 | |
| 2024-10-12 | Indian Summer Ultra 100 kmNetherlands | 100km | 13:37:09 h | 7.343 | 76/94 |
| 2025-03-08 | 60km | 6:43:41 h | 8.918 | 36/71 | |
| 2025-04-05 | Dinah Might 50 Miles Ultra RunNetherlands | 80km | 9:19:31 h | 8.579 | 3/11 |
| 2025-05-29 | 53.2km | 6:54:00 h | 7.710 | 14/24 | |
| 2025-07-12 | 24h | 160.848 km | — | 5/38 | |
| 2025-07-27 | Eddy 60 UltraNetherlands | 60km | 6:28:00 h | 9.278 | 2/13 |
| 2025-08-16 | 100mi | 19:51:43 h | 8.103 | 49/348 | |
| 2025-09-13 | 100km | 10:49:32 h | 9.237 | 48/56 | |
| 2025-10-11 | Indian Summer Ultra 50 kmNetherlands | 50km | 5:26:02 h | 9.202 | 26/133 |
| 2025-10-25 | Gaasterland TrailNetherlands | 50km | 5:48:51 h | 8.600 | 40/67 |
| 2026-01-04 | 50km | 5:57:00 h | 8.403 | 19/41 | |
| 2026-03-07 | SallandTrail 60 kmNetherlands | 60km | 6:26:02 h | 9.326 | 46/97 |
| 2026-03-29 | 60km | 5:50:48 h | 10.262 | 206/644 | |
| 2026-05-13 | 51.5km | 6:02:00 h | 8.536 | 4/13 | |
| 2026-05-14 | 53.1km | 6:59:00 h | 7.604 | 8/18 | |
| 2026-05-15 | 71.8km | 12:10:00 h | 5.901 | 15/15 | |
| 2026-06-13 | De 100 mijl van Sint-AnnenNetherlands | 100mi | 21:26:18 h | 7.507 | 5/15 |
| 2026-06-28 | 100km | 13:48:00 h | 7.246 | 4/16 |
Showing 51–86 of 86