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After a loop through the south of the city, the course heads out along Shinkawa-dori to a turning point at the northwest edge of Sapporo, then returns to Hokkaido University.
After the loop through the south of the city and up Soseigawa-dori, which runs partly through a tunnel, the course turns onto Shinkawa-dori and follows it, with Kotoni-Sakaemachi-dori, Shinkotoni 2-jo-dori and Nishino-Tonden-dori, to the turning point on Shinkawa-dori at the northwest edge of Sapporo. From there it returns to Hokkaido University and the finish. The start and the finish are both on Ekimae-dori at Odori.
Sourced
The final kilometres leave the northwest leg for Hokkaido University, pass the Former Hokkaido Government Office Building, known as the Red Brick Office, and come down Ekimae-dori to the finish at Odori. The check point at 41.5 km stands at the building’s north gate and closes at 14:35.
Sourced
The 2026 race was run on 30 August, with the first wave away at 8:30 and the second at 8:45. A forecast of 28 °C WBGT or higher can lead to the race being cancelled, decided just before or on the day from the Ministry of the Environment’s forecasts. Depending on conditions, extra check points can be set right before the start and closing times moved earlier.
Sourced
An August marathon through central Sapporo, from Ekimae-dori at Odori round the south of the city, out along Shinkawa-dori and back.
Entry through the organiser
The organiser, a third party. We take no entries and have no part in the race.

Mexico City, Mexico
Aug 202742.2 kmClimb 68 m
Climb summed after smoothing the heights over 1 km. The edge is this course's height profile on one scale for every race: 250 m above its lowest point fills it. Photo: Angel of Independence, by Carlos Valenzuela, CC BY-SA 4.0, via Wikimedia Commons.Entry is through the organiser. Entry fee: JP¥16,500 (JP¥22,000 from abroad, for the 2026 race). Entry details on the organiser’s site
Runners have 6 hours to finish.