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Thin Mint Sprint

Our annual family-friendly fun run, where every racer gets a Girl Scout Cookie at the finish line!

Join us Sunday, September 30th at 7:30am at Brandi Fenton Memorial Park for our 5K Thin Mint Sprint, 1-mile Do-si-do Dash, and 100-meter Trefoil Trot.

Both the Thin Mint Sprint and the Do-si-do Dash are timed races on a flat out-and-back course open to both runners and walkers. The Trefoil Trot race is an untimed free race for children ages 5 and under.

All youth participating in the race will receive a Thin Mint Sprint patch!

Race Prep: Registration, Packets, T-Shirts
  • Adult tickets are $25
  • Youth tickets are $20
  • Receive a $5 Early Bird Discount per ticket if you register before August 1st!
  • Friends and family who are not racing are welcome to attend the event for free

Click here to access the mail-in registration form, or register online using the green "Register" button above.

Race packets will be available for pick up at the Girl Scouts' Angel Charity Place for Girls at 4330 E Broadway Blvd in advance of the race (dates TBD).

Race day registration is available from 6:00am-7:00am at Brandi Fenton Park.

Participants must register by Tuesday, August 15, 2018 to be guaranteed a race shirt. T-shirts for registrations received after August 15th are subject to availability.

Race Day: Location, Start Times, Parking

Sunday, September 30, 2018
Brandi Fenton Park
3482 E. River Rd.
Tucson, AZ 85718

  • 1 Mile Do-si-do Dash Start: 7:30am
  • Thin Mint Sprint 5k Start: 7:35am
  • Race Expo: 7:45am
  • Trefoil Trot 100 Meter Kids Run (Free for ages 5 and under): 8:30am 

Race day events will take place on the northwest side of the park at the Commons Area. The parking can fill up quickly and we encourage carpooling. To ensure the safety of all runners, the parking lot will close at 7:20am.


For Girls: Thin Mint Sprint Training Program
Lace up your shoes and let’s get moving!

The Thin Mint Sprint Training Program was created for girls of all ages to prepare for the Girl Scouts of Southern Arizona’s Thin Mint Sprint and to encourage active lifestyles. The training program will help runners/walkers of all levels to prepare for the 5K or 1-mile races.

Girls can purchase the badge at the Girl Scout Shop, and find badge requirements online.

Thin Mint Sprint Awards

Award Groups for the Thin Mint Sprint:

  • 1 Mile: 5-8, 9-12, 13-16 
  • 5k: 5-9, 10-15, 16-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+

The top 3 overall winners will be taken out of age group awards.


Thank you to our sponsors!
  • TMC for Children 4C (2)
  • davis ped
  • CRESTlogoWebsite2018

Questions? Contact Coco Horner at 520-319-3187 or