Marathons in Switzerland
15 upcoming 42 km marathons in Switzerland for 2026 — curated on Run Atlas.
Planning a marathon in Switzerland for 2026? Run Atlas lists 15 upcoming 42 km races — from big city events to scenic regional courses.
Whether you are chasing a personal best or your first finish line, comparing dates early helps you secure a start slot and build your training block around the right peak.
Use the calendar below to browse marathons month by month. August 2026 is a busy month in our listings when several races cluster on weekends.
Rain or shine — plan your race day
Calendar of marathons in Switzerland
All upcoming 42 km marathons in Switzerland, grouped by month.
June 2026
August 2026
- Stierenberglauf🇨🇭Unknown
other — 42.195 km
- Gondo Marathon🇨🇭Gondo
Trail runs — 84 km, 42 km
- The Sierre-Zinal Race🇨🇭Sierre
Trail runs — 31 km
- Swiss International Mountain Marathon🇨🇭Melchsee-Frutt
Forest runs — 55 km, 40 km, 50 km, 35 km
- Bike Marathon Lumnezia🇨🇭Lumbrein
mountainbike — 42.195 km
- 6. Mittelland Marathon🇨🇭Härkingen
Road runs — 42.2 km, 84.4 km
- Churfirsten Trail Run🇨🇭Wildhaus
Trail runs — 42.195 km
October 2026
Many runners look for a flagship race in the capital. Bern often hosts the most iconic marathon in Switzerland, but smaller towns offer quieter starts and fast, flat profiles.
Check registration windows as soon as you pick a date — popular spring and autumn weekends fill up months ahead.
World Marathon Majors in Switzerland are highlighted separately — bookmark your favourites on Run Atlas and set a RaceAlert when registration opens.
