Race calendar · August 2027

August 2027 Ultra Races in the United States

4 Ultra races across the US in August 2027, sorted by date. Which weekends are busiest, what the fields actually run, entry fees, and where each one starts.

4 Ultra races in August 2027

5K in August10K in AugustHalf Marathon in AugustMarathon in August

When in August

The August Race Weekends

Ultra races do not spread evenly across August. The busiest weekend is August 7 and August 8, with 2 of them.

  1. Aug 7 – Aug 82
  2. Aug 14 – Aug 152

By the numbers

The Biggest and Longest-Running

The August Ultra races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field170 finishersLoopy Loopermost recent edition

August Ultra Races by State

California 1Colorado 1New Jersey 1Wisconsin 1

August Ultra Races by City

Fairplay, CO 1Nashotah, WI 1Oakland, CA 1Pennsauken, NJ 1
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Soonest Ultra Races in August

4 total
Sat, Aug 7, 2027Sheep Mountain Trail Runs Fairplay, CO14.2 Miles33 Miles53.1 MilesRegistration opens Dec 1From $80Details Sat, Aug 7, 2027Loopy Looper Pennsauken, NJ101.25 Miles3.75 MilesRegistration opens Dec 12From $25Details Sat, Aug 14, 2027Run S'more 24 Nashotah, WI50 Miles30 MilesMarathonHalf MarathonFrom $35Details Sat, Aug 14, 2027Redwood (Summer) Trail Run Oakland, CA5 MilesHalf Marathon30KMarathonFrom $60Details

Common Questions About Running an August Ultra

Is August a good month for an Ultra?

It is one of the thinnest months of the year for the Ultra. August carries 4, against 45 in October. Expect to book earlier and travel further, and start from the states below rather than from a date.

When should I sign up for an August Ultra?

As early as you can. 3 of these August Ultra races already have a price increase on the calendar, and 2 are open for entry right now. Another 2 have published an opening date and have not opened yet.

How much does an August Ultra cost to enter?

The typical entry is $60, with paid entries running from $25 up to $80. Entry fees climb as race day gets closer, so the same race is usually cheapest the week it opens.

Are there trail Ultra races in August?

Yes, 2 races around the United States get you off the pavement: 2 are trail races. Surfaces are not always published, so it is worth checking a specific race before you register.

Ultra Races in Other Months

July and September sit either side of August, which is where most people look next when a date does not fit.

JanuaryFebruaryMarchAprilMayJuneJulySeptemberOctoberNovemberDecember