Half marathonRoad🇳🇴 Oslo, Norway

Oslo Half Marathon

Saturday, 18 September 2027In 11 months · Start 13:00

The most popular distance of the Oslo Marathon weekend: one city lap past the Opera House, the harbour promenade and the royal palace district.

Something out of date? Suggest a correction · Organizer of this race?

Facts checked 10 Oct 2026 against oslomaraton.no, oslomaraton.no.

Elevation gain

175 m

Rolling · ↓ 175 m

Start altitude

19 m

above sea level, from terrain data

Temp at start

15°C

Peaks around 16°C

Entry fee

≈ $115

Open entry

Finishers

—

typical year

Course

Loop

3.5h cut-off

Getting thereFly into OSL (Oslo (Gardermoen)), about 37 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Rolling: about 175 m of climbing and 175 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

15°C

Peak during race

16°C

Humidity

65%

Chance of rain

16%

Wind

11 km/h

Race day in past years

Historical averages for 18 September ±3 days, 2016–2025, from 13:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

Share this race

WhatsApp Facebook X Email

Organizing this race? Add it to your website

Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.

<a href="https://irun42.com/race/oslo-half" title="Oslo Half Marathon on iRun42"><img src="https://irun42.com/badge/oslo-half.svg" width="300" height="120" alt="Oslo Half Marathon: course, elevation and race-day weather on iRun42" /></a>