0 Early access

Four courses, one start

La Grandiose

Race day

Saturday 25 September 2027

Tramelan, Salle de la Marelle

Your 2026 photos

Your bib, and all your race photos.

Volunteers

No you, no race

Aid stations, course marking, bibs, finish line: a day at the heart of the trail.

Contact

A question about the race?

For your registration, write to MSO: support@mso-chrono.ch

Limited edition

Trail socks

Name: Trail socks
SKU: 55924
Price: 20.00 CHF
Availability: InStock

OTSO, 2025 edition

CHF 20.–

Size

Clear

OTSO trail socks, special UTJB 2025 edition, in limited edition and stock.

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With the Chasseral antenna

Men and women · XS to XL

CHF 29.–Choose

For after the race and every day

Men and women · XS to XXL

CHF 29.–Choose

The 2024 model, while stocks last

Men and women · XS to XL

CHF 29.–Choose

For the aid stations

CHF 5.–Add

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