
From the Organizer
The only 13.1 mile half-marathon that's actually locally-produced, your beautiful course will circle the summit of A-Mountain then cruise a speedy out-and-back along the scenic Santa Cruz Riverpath
All Half registrants receive a technical race shirt, perfect for the coming winter months
All Half registrants receive the souvenir medal
Prize money for top runners and gift certificates to The Running Shop for age group winners
The Half-Marathon is part of SAR's Running Shop Grand Prix
Time Limit: There is a four-hour time limit for the half-marathon. The finish line closes at 10:30 am. Tucson Police Department reserves the right to call for participant pick-up in case of public safety concerns.
Updated Pricing: $60 through January 31, 2026; then $75 through July 31; then $85 through September 30; then $100 from October 1 through race day
You can walk or run this out-and-back route that circles the top of A-Mountain, with beautiful views of the entire Tucson region
All 4-Miler registrants receive the colorful race shirt and the souvenir medallion
Gift certificates to The Running Shop for age group winners
Updated Pricing: $40 through May 31; then $45 through September 30; then $50 from October 1 through race day
Free for children 12-and-under, with parental/family participation allowed
Kids goodies provided by the SAR FitKidz Program
Everyone must be officially registered
Price: Free
Low price of $5 for all 13-and-over -- perfect for all abilities
Timed mile that you can walk or run with finisher's video on results page
You may be able to purchase a souvenir shirt on race day
Your race number gets you discounts to local merchants and restaurants
Everyone must be officially registered
Price: $5, no shirt, no medal
Colorful t-shirt guaranteed first 1200 registrants in the half and 4-miler
Souvenir medallion guaranteed for first 1200 registrants
Age group awards courtesy of the Running Shop
Prize money for top runners
Food, drinks and other fun post-race activities to celebrate your accomplishments.
After the race, chillax with a discounted drink from Westbound to celebrate your accomplishment.
Third and final race of the 2026 Gabe Zimmerman Triple Crown, raising funds for BEYOND-Tucson.
The TMC A-Mountain Half-Marathon is part of the SAR Running Shop Grand Prix.
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!)
We will use this race page, email, and social media channels to provide updated information as we learn more. For questions or to offer suggestions, contact Randy at randy@runtucson.net.
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
LivSports 24 Hour Adult Hockey Marathon - ASU
SuperHeroes Run 5K/10K/13.1 PHOENIX
Run for Donuts 5K/10K/13.1 PHOENIX
Big Brothers Big Sisters of Flagstaff Dave McKay Memorial Half Marathon and 5K Run/Walk
Frequently Asked Questions (FAQs)
TMC A-Mountain Half Marathon + Cigna Healthcare 4-Miler + Family Mile
Oct 18, 2026