Harvest Moon Backyard Ultra

Saturday, October 2, 2027Waterloo, Iowa

At a glance

Listed from UltraSignup. Checked Oct 18, 2026.

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.

An hourly Backyard Ultra in which participants complete a 4.167-mile lap, called a yard, until only one runner remains able to complete another yard.

Race day

Oct 2, 2027

345d

Registration openings and major changes, like a new date or a cancellation.

Can't race, or need an entry? Post it here so nobody has to ask if it's still available.

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Cedar Bend Endurance Event
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16 mi from Harvest Moon Backyard Ultra, 4 weeks before Harvest Moon Backyard Ultra

Straight-line distance

Race planning

Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.

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