Sat, Sep 12 · 2026OsloSince 1981

Oslo Marathon

The Oslo Marathon runs through the Norwegian capital on a multi-loop course that rewards steady, patient racing. It is a genuine test with real elevation, set against a city that knows how to throw a race-day party.

RollingOpen
OSLO · NO
Oslo
SAT, SEP 12
2026
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Race Overview

EST. 1981

Oslo is a course that asks something of you, and it gives something back. You start and finish at Rådhusplassen, right on the waterfront in the city center, and from the first kilometer the route makes clear this is not a flat, time-trial kind of race. There is real elevation here, spread across a multi-loop layout that winds through the city's streets and neighborhoods. The loops mean you will see the hills twice, sometimes more. The crowd support builds as the race goes on, and finishing back at the harbor with the city hall behind you is genuinely worth the effort to get there. Don't underestimate the second half.

This is a Boston qualifier, and plenty of runners come with time goals. Honest advice: treat the first loop like a warmup and hold back more than feels right. The elevation adds up in a way that sneaks up on you, especially if you go out with the energy of the crowd. Registration opens in March on a first-come, first-served basis with tiered pricing, and the marathon sells out, so set a reminder and move fast when the window opens. If you miss it, there is a waiting list for resale entries. It fills for a reason.

Field size
~20k
20,000 finishers
BQ rate
Boston qualifier
Time limit
6:00
Tight cutoff
Entry
Open
First-come registration
Course records
Men
2:15:58
Yuki Kawauchi
2017
Women
2:43:26
Annie Bersagel
2022

The Course

1,148 ft total gain
Total ascent
1,148 ft
Total descent
Net elevation
Highest point
Lowest point
Course shape
Multi loop
Start and finish in one place

Oslo's multi-loop layout means you will repeat sections of the city, so you learn the hills early and face them again. With over 1,100 feet of cumulative gain and no meaningful net descent to compensate, this is not a flat course. Expect rolling terrain throughout rather than one isolated climb. The repeated loops can help with pacing if you treat the first pass as a calibration, but runners chasing a PR need to resist going out hard. Save your legs through the middle loops and run the second half on effort, not pace. Turns and urban street surfaces are typical for a city course.

DIFFICULTYHILLYPR-FRIENDLYNO

Race-Day Weather

10-year median
Low
44°F
High
61°F
30°MARATHON-IDEAL 4560°80°
What to expect

September in Oslo tends to be cool and manageable. You will likely start in the low-to-mid 40s and finish somewhere in the low 60s, which is solid marathon weather if you dress right. Bring a throwaway layer for the corral. The bigger variable is cloud cover and wind off the waterfront, which can make the start feel sharper than the numbers suggest. It is generally a good window for running hard, but Oslo weather can shift, so check the forecast in the days before and don't assume it stays mild all morning.

Entry

OPEN

Registration is open on a first-come, first-served basis with tiered pricing. Marathon, half marathon, and Oslo Triple are typically sold out; runners can join waiting lists for resale access.

Register on race site

Frequently Asked

7 questions
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