100 km of Biel

100 km von Biel

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Sports & AdventureBiel/Bienne

DatesDates TBA · Usually JuneCheck locally before booking

DurationSummerEstimate from available data

Crowd-Public scale varies

Best forCompetition, enduranceThe defining feature of the 100 km of Biel

LanguageFrench, German, Italian, and RomanshCurrency: CHF

CategorySports & AdventureFestival type

The story

100 km of Biel in Biel/Bienne

Running since 1959, the 100 km of Biel is one of the world's oldest ultramarathons, circling the countryside around Lake Biel through an overnight race that starts in the afternoon and finishes in darkness. Solo runners, relay teams, and a walking category share the same course, giving the event an unusually broad range of participants for an ultra-distance race.

Few ultramarathons carry the history of the 100 km of Biel, first run in 1959 and now recognized as one of the oldest continuously staged ultra-distance races in the world.

Your trip starts here

What is special

The part that makes it specific.

The place changes

The defining feature of the 100 km of Biel is its overnight structure: runners set off in daylight and finish under floodlights well after dark, giving the event a rhythm closer to an endurance vigil than a conventional road race

The mystery stays covered

Its history, dating to 1959, makes it one of the longest-running ultramarathons anywhere, predating the modern ultrarunning boom by decades

The city starts moving

The mix of solo ultra-distance entrants, relay teams, and walkers taking on the same course means the finish area in Biel/Bienne stays active from evening through early morning, with a steady, rolling stream of arrivals rather than one concentrated finish-line moment

Traditions & symbols

The language of the festival.

What moves first

Living ritual

Relay teams often adopt themed names and matching kits

Water and renewal

Living ritual

giving the overnight finish area a lighter

The sacred route

Living ritual

more social atmosphere than the solo ultra field's quieter determination

The local code

Living ritual

Volunteers and local clubs staff the course through the night

Tradition 5

Living ritual

a long-standing feature of the event's community character

Tradition 6

Living ritual

and the pre-dawn arrival of walkers closes out the race with a markedly different

Tradition 7

Living ritual

more festive mood than the late-evening finishes of the leading ultrarunners

Before you go

Essential information

When to go

Dates TBA · Usually June

Getting around

For route-based days, arrive early and expect normal streets around Biel/Bienne to work differently.

What to wear

Because the event runs overnight, spectators need warm layers even in June, since temperatures drop well after dark near the lake; a headlamp is genuinely useful for navigating the finish...

Safety

100 km of Biel is easier when spectators give competitors, vehicles and staff room to work.

Where to stay

Choose lodging by the part of Biel/Bienne you will actually use, not only by the cheapest room.

Tickets/cost

Check official or local sources for ticketed areas, paid stands, and same-year access rules.

Language/currency

CHF

Family friendly

unknown

Interactive map47.37 N, 8.55 E Open in Google Maps

Biel/Bienne, Bern, Switzerland

Nearest airportBSL — EuroAirport Basel–Mulhouse–Freiburg

TransportFor route-based days, arrive early and expect normal streets around Biel/Bienne to work differently.

Stay areaChoose lodging by the part of Biel/Bienne you will actually use, not only by the cheapest room.

Your Trip Starts Here

External travel services to turn the plan into a trip — each opens in a new tab.

How to get thereRoutes, times and prices to Biel/Bienne via local transport.Search routes Find a place to stayStays near Biel/Bienne, close enough for the event-day route.Browse stays Find flightsCompare fares into the nearest practical airport for June.Compare fares Festival gearBecause the event runs overnight, spectators need warm layers even in June, since temperatures drop well after dark near the lake; a headlamp is genuinely useful for navigating the finish area and any unlit paths after midnight.Shop the kit Check visa requirementsSee whether you need a visa for Switzerland and apply online.Check entry rules Travel insuranceCover for trip hiccups, gear and health on the road.Get covered

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FAQ

Quick answers.

When is 100 km of Biel?

100 km of Biel is listed for June · Summer. Always re-check the official or local source close to travel.

Where does 100 km of Biel take place?

The festival is listed in Biel/Bienne, Switzerland. The map coordinate is a planning reference, not a guarantee of a ticket gate or exact venue.

How long should I plan for?

Summer is the listed festival span. Add time for arrival, local transport, queues, and any route changes during the event.

Is a source linked?

Official source linked. Eventisimus separates source confidence from travel suggestions, so check final details before booking.

Where exactly is it?

Biel/Bienne, Bern, Switzerland

Is it family friendly?

unknown

Sources and editorial review

About this guide

This guide is independently written by Eventisimus using publicly available information, official event and organiser sources where available, local tourism references, and additional editorial research. Eventisimus is not the official organiser of this festival and is not affiliated with it unless explicitly stated.

Festival dates, schedules, ticket conditions, access rules, and local arrangements can change. We aim to present useful and accurate information, but travelers should confirm important details with the official event source before booking transport, accommodation, or tickets.

Found something inaccurate or outdated? Email hello@eventisimus.com with the festival page link and the correction.

Official URL100km.ch

Organizer accessAre you the organizer? Claim this listing →

SourceSource link available

Listed datesDates TBA · Usually June

Source statusOfficial source linked

Spotted something out of date? Submit a correction →

100 km of Biel

100 km of Biel in Biel/Bienne

The part that makes it specific.

The place changes

The mystery stays covered

The city starts moving

The language of the festival.

What moves first

Water and renewal

The sacred route

The local code

Tradition 5

Tradition 6

Tradition 7

Essential information

When to go

Getting around

What to wear

Safety

Where to stay

Tickets/cost

Language/currency

Family friendly

Biel/Bienne, Bern, Switzerland

Your Trip Starts Here

Quick answers.

Sources and editorial review

About this guide

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