Backyard Ultra I THE LAST LAP – Hallwil (AG)

Race facts

• It takes place on a Monday, May 10, 2027 — spring in this part of the world.
• The closest comparable backyard ultra event is Helvetia Backyard Ultra in Oberwil-Lieli, 16 km away, on October 2, 2026.
• 8 of the 12 most similar events take place in the same month.