
Overview
The Oslo Marathon is one of the world's largest marathons, drawing approximately 14k finishers on an urban road in Oslo, Norway. The course starts and finishes at the City Hall. The route passes Akershus Fortress, the Opera House, and Frognerparken along the Oslofjord. Mostly flat with minor rises inland.
Oslo Marathon is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.
Oslo Marathon 2026 race day
The next Oslo Marathon is scheduled for Saturday, 12 September 2026 with a 10:00 am start. The certified course covers 42.195 km (26.2 miles) with 228 m of climbing on a mostly flat with gentle undulations layout.
Oslo Marathon course route
The Oslo Marathon is a fjord-city loop starting and finishing at City Hall, passing Akershus Fortress, the Opera House, and Frognerparken along the Oslofjord. The waterfront and park sections are the easiest because they stay mostly flat and scenic, while the gentle rises toward the western districts and any wind off the fjord are tougher; spectators gather at City Hall, around the Opera House, and along the Akershus and Frognerparken segments.
Oslo Marathon elevation profile
The Oslo Marathon course is mostly flat with gentle undulations over 42.195 km (26.2 miles). Runners cover 228 metres of climbing and 228 metres of descent, with minimal net elevation change from start to finish.
Entry requirements
The Oslo Marathon is typically held on the second Saturday of September each year. September is one of Oslo's most pleasant months for running. For exact dates and registration, visit oslomaraton.no/en.
Oslo Marathon course video
Race-day footage from the course to help you picture the route, crowds, and key landmarks on marathon day.
Oslo Marathon 2025: 21km – Race Course Guide
Frequently Asked Questions
- What is the Oslo Marathon elevation profile?
- The Oslo Marathon has 228 metres of total climbing and 228 metres of descent over 42.195 km (26.2 miles). The course is mostly flat with gentle undulations, with 0 metres of net change from start to finish.
- How long is the Oslo Marathon?
- The Oslo Marathon is the standard marathon distance of 42.195 kilometres (26.2 miles), certified to World Athletics rules. Starts and finishes at the City Hall.
- Is the Oslo Marathon flat?
- Yes. The Oslo Marathon is mostly flat with gentle undulations with 228 metres of total climbing over 42.195 km (26.2 miles) — a profile that suits runners chasing personal bests or Boston qualifying times.
- What time does the Oslo Marathon start?
- The 2026 Oslo Marathon starts at 10:00 am local time on Saturday, 12 September 2026. Arrive early for baggage drop and corral access — official race communications on oslomaraton.no/en/ confirm any last-minute schedule changes.
- What does the Oslo Marathon course look like?
- The Oslo Marathon takes runners on a scenic route past the Royal Palace and Karl Johans gate, through the historic Frogner district, and out towards the Oslofjord waterfront. The course showcases both the city's cultural landmarks and its dramatic fjord setting, with views of the Oslofjord for much of the race.
- When is the Oslo Marathon held?
- The Oslo Marathon is typically held on the second Saturday of September each year. September is one of Oslo's most pleasant months for running. For exact dates and registration, visit oslomaraton.no/en.
- What is the weather like at the Oslo Marathon?
- September in Oslo brings classic Scandinavian autumn conditions — crisp air with temperatures typically between 8–16 °C. Cool, overcast days with low humidity are common, which often makes for excellent marathon racing conditions.
- Does the Oslo Marathon pass the Royal Palace?
- Yes. The Royal Palace (Slottet) and the grand Karl Johans gate boulevard are among the most recognisable sections of the course. Runners pass through Oslo's ceremonial heart, making for memorable photographs and strong crowd support in the city centre.
- Is the Oslo Marathon Norway's largest marathon?
- Yes. The Oslo Marathon is Norway's premier marathon event and the largest long-distance road race in the country, drawing both Norwegian club runners and international participants each autumn.
Last updated 18 July 2026. Edition dates and course details are reviewed regularly.
Nearby Marathons
Other races closest to Oslo.


Uppsala Marathon
The Uppsala Marathon attracts about 2,500 finishers each September through Sweden's historic university city north of Stockholm. The course passes the Uppsala Cathedral (Scandinavia's largest), the Gustavianum museum, and the Fyris River. September crisp Swedish autumn and flat Uppsala terrain make it a popular regional marathon.
Next race: Sunday, 23 May 2027
Stockholm Marathon
The Stockholm Marathon is one of the world's largest marathons, drawing approximately 12k finishers on an urban road in Stockholm, Sweden. The course starts and finishes at the Olympic Stadium. The route crosses several islands via bridges, passing the Royal Palace, City Hall, and Djurgården. Very flat with short climbs on bridge approaches.
Next race: Saturday, 5 June 2027

Helsingborg Marathon
The Helsingborg Marathon draws about 2,200 finishers each September along Sweden's Öresund coast opposite Denmark. The course passes Kärnan tower, the harbour, and the coastal roads with views across to Helsingør. September Baltic weather and rolling seaside terrain define this southern Swedish marathon.
Next race: Sunday, 6 September 2026
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