Key dates
- ★Race dayJune 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
Your next race, seen from above.
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Save Ultra Obscura 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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Marathon beneath Mont-Mégantic's dark-sky observatory
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Défi des Escaliers de Québec
19K route packs in 3,000 steps through Old Québec
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Course Nocturne de Montréal
Montreal's night race lights up downtown streets
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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.