Napf-Marathon takes place on Sun, Oct 11, 2026 in Trubschachen, Switzerland. The main route is 42.2 km.
- Date
- Sun, Oct 11, 2026
- Start
- Trubschachen 🇨🇭
- Distance
- 42.2 km
- Climbing
- 1,542 m
- Level
- Open to all
Toe the line at Napf-Marathon in your best shape
A training plan built around your fitness and this race, adapted every day as your form changes. Attach the course and it prepares for the climbs too.
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The Napf-Marathon is an undulating and demanding mountain marathon in the pre-Alpine Emmental region of Switzerland featuring technical trails, hills, and streams.
What this race demands
The Napf-Marathon requires sustaining forward momentum across a full marathon distance combined with over 1500 meters of climbing on technical pre-Alpine trails.
Continuous Elevation Management
Covering 1542 meters of gain over 42.2 kilometers requires robust uphill hiking strength and controlled descent mechanics to preserve quadricep function.
Technical Trail Durability
Navigating hills, streams, and technical terrain demands ankle stability, proprioception, and muscular resilience to prevent late-race degradation.
Aerobic Sticking Power
An undulating mountain marathon profile imposes sustained cardiovascular load that requires efficient pacing to manage energy expenditure.
A marathon duration exceeding three to four hours requires a consistent intake of 60 to 90 grams of carbohydrates per hour to maintain glycogen availability.
Estimated finish times
Estimates by level, not promises. Your own number depends on your fitness on the day.
Frequently asked questions
When is Napf-Marathon?
Napf-Marathon takes place on Sun, Oct 11, 2026 in Trubschachen, Switzerland.
How long is Napf-Marathon?
The main route is 42.2 km.
What does Napf-Marathon demand?
The Napf-Marathon requires sustaining forward momentum across a full marathon distance combined with over 1500 meters of climbing on technical pre-Alpine trails.
How much climbing does Napf-Marathon have?
Napf-Marathon has 1,542 m of climbing.
Who is Napf-Marathon for?
Napf-Marathon is open to all participants.
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