Oslo Marathon
Oslo Marathon race day weather
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.
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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
| Mile | Climb | Descent | 3:30 | 4:00 | 4:30 |
|---|---|---|---|---|---|
| 1 | 52 ft | 30 ft | 8:05 | 9:15 | 10:24 |
| 2 | 92 ft | 26 ft | 8:28 | 9:40 | 10:53 |
| 3 | 78 ft | 6 ft | 8:32 | 9:45 | 10:58 |
| 4 | 36 ft | 51 ft | 7:51 | 8:59 | 10:06 |
| 5 | 26 ft | 134 ft | 7:32 | 8:36 | 9:41 |
| 6 | 30 ft | 67 ft | 7:46 | 8:53 | 9:59 |
| 7 | 5 ft | 10 ft | 7:54 | 9:01 | 10:10 |
| 8 | 11 ft | 10 ft | 7:56 | 9:04 | 10:11 |
| 9 | 17 ft | 6 ft | 8:00 | 9:09 | 10:18 |
| 10 | 37 ft | 14 ft | 8:06 | 9:16 | 10:25 |
| 11 | 105 ft | 25 ft | 8:35 | 9:48 | 11:02 |
| 12 | 12 ft | 91 ft | 7:38 | 8:43 | 9:48 |
| 13 | 32 ft | 56 ft | 7:49 | 8:56 | 10:03 |
| 14 | 47 ft | 35 ft | 8:01 | 9:10 | 10:19 |
| 15 | 75 ft | 27 ft | 8:19 | 9:30 | 10:41 |
| 16 | 80 ft | 6 ft | 8:32 | 9:45 | 10:59 |
| 17 | 42 ft | 51 ft | 7:53 | 9:01 | 10:08 |
| 18 | 40 ft | 115 ft | 7:38 | 8:44 | 9:49 |
| 19 | 27 ft | 86 ft | 7:42 | 8:47 | 9:53 |
| 20 | 8 ft | 8 ft | 7:55 | 9:03 | 10:11 |
| 21 | 11 ft | 10 ft | 7:55 | 9:03 | 10:11 |
| 22 | 17 ft | 3 ft | 8:01 | 9:10 | 10:19 |
| 23 | 33 ft | 18 ft | 8:02 | 9:11 | 10:20 |
| 24 | 108 ft | 20 ft | 8:40 | 9:54 | 11:08 |
| 25 | 8 ft | 96 ft | 7:36 | 8:41 | 9:46 |
| 26 | 35 ft | 44 ft | 7:52 | 9:00 | 10:08 |
| Last 0.2 | 1 ft | 20 ft | 1:42 | 1:56 | 2:10 |
Explore the Oslo Marathon course with the weather and your pace along the route, or compare it with other races.
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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.