Course
154 km154 km
Key dates
- ★Race daySeptember 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
Prueba Blan is a 154km ultra trail race through the Basque Country around Vitoria-Gasteiz, one of the toughest ultra distances on the Spanish trail calendar.
Your next race, seen from above.
Save Prueba Blan to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Prueba Blan to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Hiru Haundiak
Since 1987 linking three legendary Basque mountain peaks
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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.