gravelmtb

Seven Serpents 2026

Ljubljana to Trieste, Slovenia · 7 June 2026

Difficulty: 5/5 — Brutal

An unsupported 1000km ultra-endurance bikepacking challenge spanning Slovenia, Croatia, and Italy featuring rough terrain, smooth gravel, and hike-a-bike sections.

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Distances: 1000km
Surface: gravel, dirt, singletrack
Typical W/kg: 3.2–4.2

Rider fit

Who it's for

Experienced bikepackers and ultra-distance endurance cyclists looking for a rugged off-road adventure across diverse environments.

Who will struggle

Riders unaccustomed to heavy climbing, rocky technical trails, hike-a-bike sections, and unsupported multi-day riding.

Training focus

Building deep aerobic endurance for multi-day efforts, technical off-road bike handling, and conditioning for steep hike-a-bike climbs.

Are you ready for this race?

Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.

FAQs

When does the race start?+

The event starts on June 7, 2026, at 7:00 am.

Where does the route go?+

The unsupported bikepacking challenge begins in Ljubljana, Slovenia, traverses through Croatian islands and the Istra region, and finishes in Trieste, Italy.

What kind of terrain should I expect?+

Riders will encounter a mix of smooth gravel, rough gravel, rocky Croatian trails, hike-a-bike sections, and seaside promenades.

Who is the organizer of the event?+

The event is organized by Bruno Ferraro.