Le Grizz Ultramarathon & Relay
Oct 10Polebridge, MT50 mi, 15K +1
94 mi from The Oldman Backyard Ultra, registration open
At a glance
- Date
- May 1, 2027
- Location
- Lethbridge, AB
- Distances
- Backyard Ultra
- Registration
- See ultrasignup.com
- Official site
- oldmanbackyardultra.com
- Listed from
- UltraSignup
- Last checked
- Oct 4, 2026
Plan this race for free
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
A backyard ultra where runners start every hour on the hour and follow a 6.7 km course until only one runner is left. This is one of Alberta's first Backyard Ultras and one of six silver ticket events in Canada for 2026.
Key dates
Race day
May 1, 2027
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Registration openings and major changes, like a new date or a cancellation.
Entry transfers
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Straight-line distance
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Race planning
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