Gasselte, Netherlands · Saturday, October 10, 2026

Fixed Distance 50 mi

Indian Summer Ultra 75 km

10 days to go

75 km Distance

not publishedn/a Climbing

3.8 est Grit · Challenging

Calculated from 75 km alone — the organiser has not published an elevation profile. Read 3.8 as a floor, not a verdict.

52.9717° N, 6.7944° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 14 hours 11:12 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50 mi. Measured against 471 races of the same distance. Cut-off calculator →

Field size ~92 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (75km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 14°C

Night low 7°C

Rainfall Mostly dry

Daylight 11 h 04 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 5 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	75km	92	Gerben Zandbergen · 06:39:40	Hilde Stolting · 07:55:31
2024	75km	69	Richard Moesker · 06:42:33	Miriam Saschowa · 08:22:14
2023	75km	32	Maurits Klatte · 06:46:32	Iris Pepping · 08:29:53
2022	75km	39	Gerjan Dijkstra · 06:57:54	Sandra Medendorp · 08:05:05

The field grew 33% between 2024 (69) and 2025 (92). 29% of the 2025 field were women.

DUV results for the 2025 edition (75km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 75 km of trail.

Trail Running Shoes 75 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 75 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 75 km, without the bounce.
Headlamps A 14 h limit puts you out there after dark.
GPS Watches Battery life first — a 75 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Skratch Labs