12/19/2025
🚨 REGISTRATION FOR THE 2026 TUCSON MARATHON IS OPEN 🚨
Where winter racing feel refreshingly smooth and PRs feel possible — the 2026 Tucson Marathon awaits.
Since 1969, the Tucson Marathon has become a staple for runners from around the world. With a net downhill course built for speed and idyllic winter racing conditions, Tucson offers a unique blend of PR potential and Southwestern beauty.
📅 December 13, 2026
📍 Biosphere 2 → Oro Valley, AZ
Choose your challenge:
50K Ultra | Marathon | Half Marathon | Marathon Relay
From the iconic start at Biosphere 2 to the finish at Pima Community College Northwest, this fast, net-downhill course rolls through the foothills of the Santa Catalina Mountains — delivering PR potential, a proven Boston-qualifying route, and nonstop desert scenery.
☀️ Gorgeous winter weather
⚡ Smooth, fast downhill miles
🌄 A destination race in one of the Southwest’s most scenic cities
If chasing a PR in perfect conditions sounds like your kind of winter race, Tucson is calling.
👉 Registration is open — lock in your winter PR race.
https://raceroster.com/events/2026/113655/tucson-marathon-events
