Tucson Shamrock Half Marathon
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Event overview
The Tucson Shamrock event is scheduled for March 8, 2026, at Brandi Fenton Memorial Park on East River Road in Tucson, AZ. The event offers the following distances:
- Half Marathon
- 10K
- 5K
- Virtual Run
StartLine Racing operates the event. Race-day packet pickup is available at the venue, and an additional packet pick-up opportunity is provided on the Saturday prior at Road Runner Sports (7113 N Oracle Rd, Tucson).
Course, logistics and entries
All course trails are asphalt or concrete and start and finish at Brandi Fenton Memorial Park on an open-use trail system that remains open during the event. The Half Marathon has a 4-hour time limit. Water and Gatorade are provided at multiple mile markers on each course; the Half Marathon, 10K and 5K each have specified water locations. GU gels are available on the Half Marathon course. Restrooms are located at several mile markers, with some facilities at Rillito Regional Park and Children’s Memorial Park.
A Virtual Run option is offered; virtual registrations are restricted to U.S. addresses, and virtual items are shipped after the event. Mail-in registrations are accepted through March 2, 2026. Race items and age-group awards (top three in each listed age group for race-day participants) are noted; shirts and medals are included options, with a $5 discount available for choosing no shirt. Strollers and leashed pets are permitted. The event is held rain or shine and does not offer refunds for weather. Visit the organization's website for the most recent information.
