Southern AZ Roadrunners presents the 38th annual edition of Tucson's largest and most scenic 10K and 5K, which winds its way through Starr Pass in the foothills of the Tucson Mountains. Run or walk the gorgeous course with beautiful mountain scenery and great views of the Tucson basin. Afterwards, join us for a Cinco de Mayo Celebration featuring the Cholla High School mariachi band. This race is part of The Running shop Grand Prix. Packet Pickup will held at Fleet Feet Sports. See dates, times and locations under Packet Pickup.