
TMC A-Mountain Half Marathon + 4-Miler + Family Mile is a running race on October 18, 2026 in Tucson, AZ, with entry fees from $5 to $75.
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 1000 registrants in the half and 4-miler
Souvenir medallion guaranteed for first 1000 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.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
85°
Typical Low
59°
Chance of Rain
10%
Based on US Climate Normals data from Tucson Wfo, 2 mi from the venue.
Host City
Population
543,348
as of 2023
City Elevation
2,430 ft
Nearest Airport
TUS
Tucson International Airport · 8 mi
Time Zone
Mountain Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at TMC A-Mountain Half Marathon + 4-Miler + Family Mile, put it on the calendar, and turn “someday” into a start date.
87
Days to train
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From Endurance Grid
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.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Gabe Zimmerman Triple Crown
Less than a mile away
TMC Tucson 10k
2 miles away
Big Gay 5K
1 mile away
Salute to Veterans 5K/10K/Half Marathon - Tucson
3 miles away
Plan your trip
Coming from out of town? There's more to Tucson than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to TucsonFrequently Asked Questions (FAQs)
TMC A-Mountain Half Marathon + 4-Miler + Family Mile
Oct 18, 2026