Course
A trail run on the Mount Penn trail network, starting and finishing at the Reading Liederkranz club on Spook Lane. The organiser describes loads of rock, roots and downed trees, with fewer sustained climbs and technical descents than their Chilly Cheeks race. Two water stops on course and a covered finish area with food.
Key dates
- ·RegistrationNot open yet
- ★Race dayJanuary 2027 · date to be announced
About
The 23rd Annual Ugly Mudder is a 12K trail run near Reading, Pennsylvania, hosted by Pretzel City Sports. Runners tackle muddy, wooded singletrack in late winter conditions true to its name, with the club marking over two decades of the event.
Save 23rd Annual "Ugly Mudder" 12K Trail Run to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Shiver by the River #2
Frosty miles along Scranton's Lackawanna River
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Frozen Goat Loop Event
Loop North Park's trails as many times as you like
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.