Run Tosa Run is a 5K run/walk and untimed half-mile kids' run through the beautiful tree-lined streets of the Tosa East Towne neighborhood, benefiting Ronald McDonald House Charities Eastern Wisconsin.

REGISTRATION: The registration period for the 2024 race is now open. The cost to sign up for this year’s 5K race is just $25 through March 1, after which the price increases to $30 through April 1 and $35 through May 1. Last-minute registration through race day will be $40, with T-shirts only as available. (Online registration closes the Tuesday before the race.)