Trail Running calendar near Altdorf 2026-2027

The Aare Lauf / Aare Trail will take place in Aarau on Sunday 14 June 2026. You can run between 10 and 50 kilometers.

The Hörnli Trail 1133 will take place in Fischingen on Saturday 20 June 2026. You can run 11 kilometers.

The Swiss Irontrail will take place in Surses from Saturday 27 June 2026 to Sunday 28 June 2026. You can run between 20 and 78 kilometers.

The Ränn de Uetliberg will take place in Uitikon on Saturday 27 June 2026. You can run between 6 and 10 kilometers.

The Aletsch Halbmarathon will take place in Bettmeralp on Sunday 28 June 2026. You can run 21 kilometers.

The Stoos-Trail will take place in Ingenbohl on Saturday 4 July 2026. You can run between 10 and 46 kilometers.

The But Val Formazza will take place in Formazza on Saturday 11 July 2026. You can run between 8 and 52 kilometers.

The Eiger Ultra-Trail by Utmb will take place in Grindelwald from Wednesday 15 July 2026 to Sunday 19 July 2026. You can run between 15 and 250 kilometers.

The Swissalpine will take place in Flims from Saturday 18 July 2026 to Sunday 19 July 2026. You can run between 13 and 78 kilometers.

The Swiss Alps 100 will take place in Fiesch from Friday 7 August 2026 to Sunday 9 August 2026. You can run between 10 and 160 kilometers.

The Gondo Marathon will take place in Ried-Brig from Saturday 8 August 2026 to Sunday 9 August 2026. You can run between 28 and 84 kilometers.

The Sanbe Trail and Vertical Contest will take place in Mesocco on Saturday 8 August 2026. You can run between 6 and 21 kilometers.

The RunThrough Trails Interlaken will take place in Interlaken on Saturday 8 August 2026. You can run between 16 and 50 kilometers.

The Swiss International Mountain Marathon will take place in Meiringen from Saturday 8 August 2026 to Sunday 9 August 2026. You can run 42 kilometers.

The Klewenalp Trail will take place in Beckenried on Sunday 9 August 2026. You can run between 11 and 43 kilometers.

The Berglauf Engelberg will take place in Engelberg on Sunday 9 August 2026. You can run between 5 and 9 kilometers.

The 5-Tage Berglauf-Cup will take place in Bauma from Monday 10 August 2026 to Friday 14 August 2026. You can run 5 hours.

The Inferno Triathlon + Halbmarathon will take place in Interlaken from Friday 14 August 2026 to Sunday 16 August 2026. You can run 21 kilometers.

The Burgerholzlauf 3K will take place in Frauenfeld on Monday 17 August 2026.

The Runthrough Trails Engelberg will take place in Engelberg on Saturday 22 August 2026. You can run between 25 and 100 kilometers.