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Ultra Marathons Found In Wisconsin in May

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Ultra Marathons in Wisconsin in May 2025

Find A Race is the US's favourite event listings site. Check out our list of May 2025 Ultra Marathons in Wisconsin below.

Race Calendar: Ultra Marathons Found In May

🚀Boosted

JOURNEY 100 MILE CHALLENGE

Jefferson, Wisconsin
01 Sep 20 - 30 Sep 26
$54.05
🚀Boosted

VALKYRIE 100 Mile Challenge #3

Jefferson, Wisconsin
03 Jun 23 - 31 Dec 25
$52.93
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Paramount Berner 5k Run/Walk

Suamico, Wisconsin
17 May 25
$32.80

ROSEBUD 100 Mile Challenge

Jefferson, Wisconsin
24 Apr 20 - 31 May 25
$32.49

RANGER 100 Mile Challenge

Jefferson, Wisconsin
04 Jul 20 - 07 Jun 25
$37.99

JOURNEY 100 MILE CHALLENGE

Jefferson, Wisconsin
01 Sep 20 - 30 Sep 26
$54.05

VALKYRIE 100 Mile Challenge #3

Jefferson, Wisconsin
03 Jun 23 - 31 Dec 25
$52.93

RANGER 100 -

Jefferson, Wisconsin
24 Oct 23 - 30 Sep 27
$52.93

RECKLESS - BOLDLY GO 100

Jefferson, Wisconsin
14 Mar 24 - 03 Jun 27
$52.93
Showing 1-7 of 7 results