From big races to Saturday morning group runs—find ultra events and connect with the local endurance sports community.
Since 2007 this race has encompassed a beloved local loop known as the Arb Loop. This is a 10K loop that includes the beautiful landscape of the UW- Madison Arboretum. Once again MadCity will host the 100K solo, 50K Solo, along with the 100K Relay, and 50K Relay. 2026 will be the home of the 100K National Championships.
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USA Swimming Club. 612 members.
USA Swimming Club. Club Excellence: Silver. 280 members.