DateExpected
Early September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Zinal, Val d’Anniviers
Grône, Sierre
Countdown
September
The Tour du Roc is the shorter way into Besso: 25.5 km with over 2,200 m of climbing, so steep for the distance, but with a morning start and a generous time limit.
Key facts
0110-hour limit to finish the single loop
Create a free training plan for the Trail du Besso 26 km
7-day free trial, no card required
The course
The route
Grône
Distance26km
Total climb2,228m
StartElevation
0 kmDrag map to rotate25.1 km
Weather
Early-September, Grône
13°CTypical high
4°CTypical low
-6°CColdest in 20 years
42%Days with rain
Highs around 13°C and lows around 4°C, but it has dropped to -6°C. Rain on 42% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Laura Bocchino04:05:176.2 km/h
02Lucile Ochs04:15:006.0 km/h
03Aurore Jarlier04:31:505.6 km/h
88
Women finishers
6:20:05
Median time
4.0 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Trail du Besso 26 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Trail du Besso 26 km plan targets
Typical sessions
26 km with 2,228 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Hill reps and vert to prepare the climbs and descents
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Trail du Besso 26 km plan.
7-day free trial, no card required.
More events in September in Switzerland
SwissPeaks TrailExpected Early September 2027 · Le Bouveret→SwissPeaks UltraExpected Early September 2027 · Valais→Grächen BerglaufSat, 4 Sept 2027 · Grächen→Swiss Cycling AlpenbrevetExpected Early September 2027 · Andermatt→SwissPeaks MarathonExpected Early September 2027 · Valais→UTMR Mischabel 60Sat, 4 Sept 2027 · Grächen→
