TMC A-Mountain Half-Marathon and 5k

TMC A-Mountain Half Marathon, Four-Miler, and Cox Family Mile

October 20, 2024

The TMC A-Mountain Half-Marathon is the singular half marathon of the City of Tucson, where the path leads you to the very summit of Sentinel Peak, granting a panoramic vista of the surrounding mountain landscape.

We’re coming back to the A, A-Mountain that is, staging the 2023 edition on the west side of Tucson’s Downtown district, at the super-cool Mercado Annex — see

For all race updates, please visit the race registration page here.

Three Distances to Choose From:

* TMC A-Mountain Half Marathon.  We’ve crafted a beautiful 13.1 mile course that loops up and down A-Mountain and does an out-and-back on the speedy Santa Cruz Riverpath.  The start and finish lines will most likely be on Cushing Street, at the Mercado Annex.

* TMC A-Mountain Four-Miler.  Instead of a standard 5k this year, you’ll be able to cruise a fun-fulled 4-miler up and down A-Mountain.   Check out the live music at the A!

* Cox Free Family Mile and SAR Free FitKidz: our free family one mile will cover an out and back along Cushing and Grande!


  • a souvenir race medal

  • long-sleeve technical shirt

  • age group awards and prize money 

  • live music 

  • food and drinks and other fun post-race activities

This event is the third and final race of the three-race Gabe Zimmerman Triple Crown.  The TMC A-Mountain Half-Marathon is part of the SAR Running Shop Grand Prix.


Beneficiaries: This will be the third race of the 2024 Gabe Zimmerman Triple Crown.  Proceeds will benefit The Biosphere 2, Team Hoyt Arizona, the BEYOND-Tucson Foundation, and the Southern Arizona Roadrunners.


We will use this race page, email, and our Run Tucson social media channels to provide updated information as we learn more.  For questions or to offer suggestions, contact Randy at


Running Shop SAR Grand Prix: This event will count towards the SAR membership Running Shop Grand Prix. See details at 

Questions? Send ’em to race director Randy Accetta at

More information available heresingular half marathon of the City of Tucson, where the path leads you to the very summit of Sentinel Peak, granting a panoramic vista of the surrounding land.


Race Weekend Planned Schedule

Race Weekend Schedule
Saturday, October 19

10:00 am 1:00 pm Packet pickup and registration at The Running Shop, 3055 North Campbell Ave

Yes: You can pick up items for friends — please limit the number of packet pickups if it is crowded
Yes: Shirts come in both standard “unisex cut” and “women’s cut”
Yes: T-shirt sizing first come, first served for all those who registered before September 9th.
Yes: Please follow the Running Shop’s posted public health protocols. 
Yes: It may be crowded, but please be kind to the staff at the Running Shop and the volunteers.
Yes: You can pick up your race schwag in person, then do the event virtually. We’ll post the virtual result link soon!


Sunday, October 20th, Race Morning Schedule

5:30 – 6:15 am Registration and Packet Pickup at the Mercado Annex, 267 South Avenida del Convento

All race numbers, medals, and shirts will be inside the Annex
Yes: You can pick up items for friends — please limit the number of packet pickups if it is crowded.
Yes: Shirt sizing is first come, first served. Shirts are in both “women’s cut” and “unisex” cut.

6:30 am: Start for the TMC Half-Marathon and the TMC 4-Miler

  • Both events start together
  • Gun-time for all prize money awards, with chip time for all age-group awards.
  • NOTES: The half-marathon course closure time is 11:00 am, which gives participants 4.5 hours to complete the course. TPD has determined that roadways need to be open by 11:00 am, so remaining runners/walkers will be asked move off roadway and will not receive an official time.
  • It may approach 90 degrees on race day — if you think you will spend more than 4 hours in the half-marathon, please consider moving to the 4-mile event.

7:00 am: Approximate time for opening of Decibel, the Annex coffee shop

7:45 am: Approximate start time for the main stage band in the Annex 

8:00 am: Approximate time for opening of Westbound Bar and Bottle Shop, with discounted drinks for participants

8:45 am: Approximate start time for the free COX Family Mile and SAR FitKidz Mile at the starting line arch on Cushing.

Course goes west on Cushing, then south on Grande, turning around by the Mission Garden — see map below.

10:00 am: Approximate start time for awards, courtesy of TMC and the Running Shop

11:00 am: Finish Line closes 

Noon: The running event will be cleaned up and wrapped up


Remaining shirts and medals available at The Running Shop (3055 North Campbell) on a first-come, first-served basis through November (be mindful of that they produce the Thanksgiving Day Classic, so it will be crowded around Thanksgiving!)

See the race results for the 2022 edition at

All race results since 2004 can be found at our friends, the Southern Arizona Roadrunners — click here