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Register before August 1 for a $5 Early Bird discount!
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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 22nd 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
  • 5K tickets are $30
  • 1 mile tickets are $25
  • Receive a $5 Early Bird Discount per ticket if you register before August 1st!
  • Race day registration is $40 for both races, available from 6:00am-7:00am at Brandi Fenton Park.
  • Friends and family who are not racing are welcome to attend the event for free!

Register online using the green "Register" button above.

Race Packets:

Race packets include bib number and T-shirt. They will be available for pick-up at the Girl Scouts' Angel Charity Place for Girls (4300 E Broadway Blvd) on the following days:

  • Friday, September 20th, 10:00am-3:00pm
  • Saturday, September 21st, 10:00am-2:00pm 

Packets will also be available for pick-up on race day at Brandi Fenton Park:

  • Sunday, September 22nd, 6:00am-7:00am

Participants must register by Thursday, August 15, 2019 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 22, 2019
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: ages 4-6, 7-9, 10-13
  • 5K: ages 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!
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Questions? Contact Coco Horner at 520-319-3187 or