Harich, Netherlands · Saturday, October 24, 2026
Gaasterland Trail
What the course asks
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Regional 2001-2020 average for October — NASA POWER, grid elevation 0 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 67 | Thijmen van der Loop · 03:54:00 | Jody Ploemen-de Graaf · 04:47:19 |
| 2024 | 50km | 42 | Kristof Declerck · 03:59:35 | Alie Postma-Gercama · 04:15:21 |
| 2023 | 50km | 29 | Rudy Kaptein · 04:24:44 | Conny Terwal · 05:19:41 |
| 2022 | 50km | 32 | Jort van Zutphen · 04:08:18 | Sandra Medendorp · 05:38:31 |
The field grew 60% between 2024 (42) and 2025 (67). 12% of the 2025 field were women.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 100 m of ascent.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Overview
The Gaasterland Trail is a 50k trail race in Harich, Netherlands, scheduled for October 24, 2026. The course has 100 meters of elevation gain over 50 kilometers, which means 2 meters of climb per kilometer. This makes it a flatter course than 95% of 50k races.
The race has a 7-hour time limit, allowing for a cutoff pace of 8.4 minutes per kilometer. This cutoff is tighter than 95% of 50k cut-offs, leaving little margin for error. With a 20 Euro entry fee, the race has seen up to 67 finishers in previous editions.
Having been held 4 times since 2022, the race has a field size bigger than 67% of 50k fields and smaller than 32% of 50k fields among its 2757 peers.
Similar races
Other 50K trail ultras, closest in distance first.