It is a marathon event that runs through Lake Toya in spring. There are many events from the 42.195km full marathon to the 2km parent-child pair.
Lake Toya Marathon 2025
| Date | 5/18 (Sun) |
|---|---|
| Venue | Lake Toya Onsen and others |
| Contact information | +81-142-75-4400 (Lake Toya marathon executive committee secretariat) |