Oslo, Norway · Saturday, September 12, 2026

Fixed Distance 50 mi

Oslo Maraton - Oslotrippelen

Race completed

73 km Distance

not publishedn/a Climbing

3.7 est Grit · Challenging

Calculated from 73 km alone — the organiser has not published an elevation profile. Read 3.7 as a floor, not a verdict.

59.9127° N, 10.7461° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 9 hours 7:24 min/km average. Firm. Sustained running. Long aid-station stops will cost you. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 50 mi cut-offs we track. Measured against 471 races of the same distance. Cut-off calculator →

Field size ~113 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (73km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 14°C

Night low 7°C

Rainfall Showers likely

Daylight 13 h 16 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 259 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	73km	113	Mads Berge · 04:42:39	Camilla Bønøgård · 05:25:25
2024	73km	83	Ådne Skogsbakken · 04:50:30	Mia Walsøe Lehn · 05:38:14
2023	73km	86	Sebastian Conrad Håkansson · 04:27:35	Frida Bustad · 05:28:42
2022	73km	74	Anton Gustafsson · 04:18:16	Rita Nordsveen De Flon · 05:45:49
2019	73km	95	Magnus Warvik Winther · 04:29:22	Anja Kristin Lindanger · 05:43:50

The field grew 36% between 2024 (83) and 2025 (113). 28% of the 2025 field were women.

DUV results for the 2025 edition (73km) — 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 73 km of trail.

Trail Running Shoes 73 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 73 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 73 km, without the bounce.
GPS Watches Battery life first — a 73 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

Overview

The Oslo Maraton - Oslotrippelen is a 73-kilometer road race in Oslo, Norway, held in September. The course is described as gently undulating, with 340 meters of elevation gain over the marathon distance and 170 meters over the half marathon distance.

With a time limit of 9 hours, this race has a tighter cutoff than 98% of 50-mile races, requiring a pace of 7.4 minutes per kilometer. The field of 113 finishers in the latest edition is larger than 77% of its 50-mile peers. The race has been run 5 times since 2019, with the most recent edition in 2025.

Similar races

Other 50 mi trail ultras, closest in distance first.