Janesville Shamrock 5K & 10K Run/Walk

Lace-up for a spirited celebration of fitness and community at the Janesville Shamrock 5K & 10K Run/Walk on Saturday, March 14, 2026, in Janesville, WI. This vibrant event offers participants a choice of a 5K or 10K run, along with a 1-mile family walk, making it an ideal outing for all ages and fitness levels. Held in the heart of Janesville, the race typically enjoys early spring conditions, with historical highs around 44°F and lows around 25°F, and only a 10% chance of precipitation, providing a brisk and invigorating atmosphere for your run.

The courses for the 5K, 10K, and 1M distances are well-documented with detailed routes available on MapMyRun, allowing runners to preview the terrain and plan their race strategy. While specific elevation details aren't provided, participants can expect a route that navigates Janesville's downtown area, potentially crossing the Rock River and passing historic residences. Beyond the miles, every stride supports a noble cause, as 100% of the proceeds benefit the Boys & Girls Club of Janesville, making your participation truly impactful.

Your registration ensures a memorable race experience, including a complimentary T-shirt and a free drink ticket for the lively post-race festivities. Be sure to push for a strong finish, as the first 300 across the line will receive a special finisher medal. The celebration continues after the race at O'Riley & Conway's Irish Pub, the starting and finishing hub located at 214 W Milwaukee St, Janesville, where runners can enjoy a festive beer tent with live music. This annual "Shamrock Shuffle," hosted in partnership with Velocity Multi-Sport & Cycling, has earned a reputation as an "amazing race" for its festive atmosphere and dedication to community support.