Course
36.5 km36.5 km
19 km19 km
9 km9 km
3.7 km3.7 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
The Eco Trail du Massif des Brasses is a trail race from Onnion in Haute-Savoie, climbing into the Massif des Brasses above the village. Distances range from a short 3.7km loop up to 36.5km through forest and mountain terrain.
Your next race, seen from above.
Save Eco Trail Du Massif Des Brasses to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
Get RunCalendar
Save Eco Trail Du Massif Des Brasses to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
More races in Haute-Savoie All ›
-
Urban Trail De Thonon
The 14km leg climbs 300m through Thonon's lakeside streets
-
La Megevanne
The top all-female trail race set deep in the French Alps
-
Leman Habitat Court Contre Le Cancer
A 5km charity run raising funds against cancer in Thonon
-
Montée Sèche du Salève
Historic mountain race up the Saleve in the French Alps
Run this event? Claim it on runcalendar.com
Visit event website ›
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.
