Oslo Marathon

Oslo, Norway · September 18, 2027
partly-cloudy-day53°·61° high·Light·Dry
8
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Oslo Marathon race day weather

partly-cloudy-day
53°at start
61° high
Light
Dry
Goal
0:00:00

Cool start, mild finish

Runners will face a temperature rise from 53°F at the start to 61°F by the finish. Wind will be light at 7 mph from the WSW, with an average humidity of 74%. As temperatures climb later in the race, it's advisable to adjust pacing and ensure proper hydration to stay comfortable.

Race day forecast available in 292 days
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Start
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Finish
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Cutoff
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Pace Calculator

26.2mi
0:00:00
HH:MM:SS
Pace
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Enter a finish time to see what race day does to it.

Common Goals:

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Oslo Marathon route and elevation

The Oslo Marathon course has about 1,148 ft (350 m) of climbing. It is hillier than 86% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 24, with 108 ft (33 m) of climbing and a 1.7% average grade.

Biggest climbs

  • Miles 1.3 to 3.1: climbs about 175 ft (54 m).
  • Miles 8.6 to 10.7: climbs about 135 ft (42 m).
  • Miles 14.4 to 16.2: climbs about 175 ft (54 m).

What the hills cost

  • 3:30 on a flat course is about 3:33 here (3 minutes slower).
  • 4:00 on a flat course is about 4:03 here (3 minutes slower).
  • 4:30 on a flat course is about 4:33 here (3 minutes slower).

Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.

Even-effort splits for a 3:30, 4:00 or 4:30 finish
The Oslo Marathon mile splits at even effort for three finish times, with each mile's climb and descent
MileClimbDescent3:304:004:30
152 ft30 ft8:059:1510:24
292 ft26 ft8:289:4010:53
378 ft6 ft8:329:4510:58
436 ft51 ft7:518:5910:06
526 ft134 ft7:328:369:41
630 ft67 ft7:468:539:59
75 ft10 ft7:549:0110:10
811 ft10 ft7:569:0410:11
917 ft6 ft8:009:0910:18
1037 ft14 ft8:069:1610:25
11105 ft25 ft8:359:4811:02
1212 ft91 ft7:388:439:48
1332 ft56 ft7:498:5610:03
1447 ft35 ft8:019:1010:19
1575 ft27 ft8:199:3010:41
1680 ft6 ft8:329:4510:59
1742 ft51 ft7:539:0110:08
1840 ft115 ft7:388:449:49
1927 ft86 ft7:428:479:53
208 ft8 ft7:559:0310:11
2111 ft10 ft7:559:0310:11
2217 ft3 ft8:019:1010:19
2333 ft18 ft8:029:1110:20
24108 ft20 ft8:409:5411:08
258 ft96 ft7:368:419:46
2635 ft44 ft7:529:0010:08
Last 0.21 ft20 ft1:421:562:10

Explore the Oslo Marathon course with the weather and your pace along the route, or compare it with other races.

Race Plan

Get your personalized Oslo Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

About the Oslo Marathon

The Oslo Marathon is a marathon and half marathon held in Oslo, Norway, each September. The course runs along the Oslofjord waterfront past Akershus Fortress and the Oslo Opera House, loops through Frognerparken, and finishes at Radhusplassen in front of Oslo City Hall. Marathon runners complete the half marathon loop twice. Yuki Kawauchi holds the men's course record of 2:15:58, set in 2017, and Runa Skrove Falch holds the women's course record of 2:38:13, set in 2026.

Oslo Marathon FAQ

When is the 2027 Oslo Marathon?

The 2027 Oslo Marathon will be held on Saturday September 18, 2027.

Is the Oslo Marathon a Boston Marathon Qualifier?

Yes, the Oslo Marathon is an official Boston Marathon qualifier.

What is the time limit for the Oslo Marathon?

The time limit for the Oslo Marathon is 6 hours.

What will the weather be like for the 2027 Oslo Marathon?

The forecast calls for a high of 63°F and a low of 50°F with a 10% chance of rain.

What is the elevation gain of the Oslo Marathon?

The Oslo Marathon course has about 1,148 ft (350 m) of climbing. It is hillier than 86% of the marathon courses racecast.io has mapped, measured by what the hills cost in time.

Is the Oslo Marathon hilly?

Moderately. It has about 44 ft (13 m) of climbing per mile. The hardest mile is mile 24, with 108 ft (33 m) of climbing and a 1.7% average grade. 4:00 on a flat course is about 4:03 here (3 minutes slower).

What is the weather usually like for the Oslo Marathon?

Over the 5 years racecast.io has race-day weather for (2022 to 2026), it averaged 54°F at the start and 58°F by a typical finish. Rain fell during race hours in 2 of those years (2025 and 2026).

What was the hottest Oslo Marathon?

Of the 5 years on record, 2022 was the warmest, reaching 60°F during race hours. The coldest start was 2024, at 49°F.

What was the windiest Oslo Marathon?

Of the 5 years on record, 2022 was the windiest, with wind averaging 8 mph during race hours. The calmest was 2026, at 4 mph.

Oslo Marathon weather history

Based on 5 years of data
Avg Temp
56°F
L:53° H:58°
RunScore
8
Conditions
Rain Freq
40%
2 of 5 yrs
Wind6mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
cloudy
52°/56°Light
8
2025
partly-cloudy-day
57°/59°Light
7
2024
fog
49°/56°-
8
2023
partly-cloudy-day
56°/59°-
7
2022
partly-cloudy-day
51°/60°-
9