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Ultra Marathons in the USA

There are currently 777 upcoming Ultra Marathons scheduled in the USA. Browse by state or city to get all the nerdy details and find the best race for you.
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Nerdy Details

Ultra Marathons in the USA: By The Numbers

For the runners who check their splits more than their email, here are the nerdy details about all Ultra Marathons in the USA including peak month, race distance popularity, major cities for Ultra Marathons, and even price range and average entry free across Ultra Marathons.

  • #0

    Most popular race distance

  • 0

    Total upcoming Ultra Marathons

  • 0

    Races with registration open

  • September

    Peak month by race count

  • 0

    Races in peak month

  • $0

    Minimum entry fee discovered

  • $0

    Maximum entry fee discovered

  • $0

    Average entry fee calculated

Nerdrunner race data is updated daily. Prices may include sampled data for popular race categories. Popularity rank determined by race count.

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Browse Ultra Marathons by State

Browse all upcoming Ultra Marathons by state. By default, states are sorted by name and display total number of Ultra Marathons. Feel free to search by state name to narrow it down.

Runner FAQs

Frequently Asked Questions About Ultra Marathons

  • How many Ultra Marathons are there?

    There are currently 777 upcoming Ultra Marathons in our database. Race dates are scheduled from June through September 2028. Race data is updated daily.

  • When is the best time of year for running Ultra Marathons?

    There is no bad month for a race, but September is the peak month for Ultra Marathons with 147 races on the calendar that month.

  • How many Ultra Marathons currently have open registration?

    679 of the 777 upcoming Ultra Marathons in our database currently have open registration. Registration windows vary — some races open entries more than a year in advance, while others don’t open until a few weeks before race day.

  • How much do Ultra Marathons typically cost?

    Entry fees for Ultra Marathons vary widely. The average entry fee is $155, though prices range from as low as $7 to as much as $4485 depending on the race, location, swag, and when you register. Signing up early almost always gets you the best price. Note that our price estimates may include sampled data, especially for large datasets.