Arizona · Half Marathon
Every upcoming Half Marathon around Tucson, with start times, entry fees, finish-time stats from past editions, start-line maps, and the local run clubs to train with.
9 upcoming Half Marathon races found · 3 with finish-time stats
Half marathons in Tucson are shaped by the desert in ways you feel immediately - saguaros lining the course, wide-open sky, and terrain that can shift from flat river path to rocky mountain footing within a single race. The Rillito corridor, Sabino Canyon, and the slopes of Tucson Mountain Park all show up in how events here are designed, and the city's running community clearly gravitates toward those landmarks.
Summer heat is not an afterthought in Tucson; it is part of the race calendar's logic. Events run through July and August, but the bulk of the half marathon season lands in the fall, when the desert cools enough to make 13.1 miles genuinely enjoyable rather than a survival exercise. That rhythm is something locals already know and plan around.
By the numbers
The Tucson races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
Across the 3 RunSignup half marathon editions with published results on RunSesh - walkers and charity entrants included - the median finish time was 2:13:41. The median winning time across those same editions was 1:13:27, and the median last finisher came in at 3:56:04. That spread suggests a genuinely wide field where runners of many paces finish without drama.
Field sizes vary considerably among the races that publish them. The Garmin Marathon Tucson drew a median field of 942, while TMC A-Mountain Half Marathon had a median field of 441, and Salute to Veterans 5K/10K/Half Marathon ran with 64 finishers.
Seven of the 10 races here have not published field-size figures, so the full picture is incomplete - but the range from 64 to 942 shows there is something for both those who want company and those who prefer a quieter race.
Fall is by far the busiest stretch, with 6 of the 10 half marathons falling between September and November. October alone has 3 races. If your training block lands in summer, there are 2 races in that window too - Tucson's race calendar does not shut down for heat, it just runs leaner.
Entry fees currently range from $5 to $119, with a typical fee of $30. One race already has a price increase scheduled, so if you have a target race in mind, registering sooner rather than later is worth checking. None of the 10 races here are free to enter.
The median finish time across the editions with published results was 2:13:41, and the median last finisher came in at 3:56:04 - meaning plenty of people take their time and still finish. Several races also offer 5K and 10K options on the same day, so if you want to step up gradually, events like the Salute to Veterans and the Garmin Marathon Tucson let you build to the half without switching race series.
Yes, one race around Tucson gets you off the pavement: 1 mixes road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.
