100 Mile • 12hr • 24hr • 24hr Relay Races
Himmel Park • 1000 N Tucson Blvd, Tucson, AZ 85716
Race start times
- 100 mile race: Saturday 10/17/26 • 10:00am with 6:00pm cutoff 10/18/2026
- 24hr Relay: Saturday 10/17/26 • 10:00am
- 24hr: Saturday 10/17/26 • 10:00am
- 12hr: Saturday 10/17/26 • 10:00pm
Who we are
Community & Unity • a positive, drama-free crew of ultra endurance athletes who care about keeping Himmel Park clean, safe, active and thriving.
– LIMITED SLOTS AVAILABLE –
NOTICE: Due to the on going construction at the Himmel Park Library (on the race course) we’ve made the safe decision to move the 6 Day Race to a different location TBD.
The full hundred. Start Saturday morning and keep stacking laps until the 6:00pm Sunday cutoff.
Fixed-time racing: go as far as you can in 24 hours. You vs You.
A team relay option for 24 hours. Share the miles, keep the momentum going, and finish Sunday morning together.
A fast overnight challenge. Push through the night and see how many miles you can hold together by sunrise.
What is fixed-time racing?
Runners and walkers aim to cover as much distance as possible within a set time: 12 or 24 hours, with a 24 Hour Relay option available. The 100 mile race is a fixed-distance event with a Sunday 6:00pm cutoff. It is a You-vs-You style event • choose your pace, manage your rest, keep stacking laps.
Bring your own fuel (BYOF)
If you follow a specific diet, please bring your own food and beverages. Tucson Ultra and its sponsors will provide vegan & vegetarian fuel, unlimited bagels, pastries, and assorted snacks throughout the event.
Course
Parking & Policies
Parking
Please park along Treat Ave. There’s no overnight parking in park lots.
Refunds
50% refund until August 1st. We’ve kept fees minimal; your donation covers park permits, 24hr food, insurance, and portable restrooms.
IMPORTANT: The organisers reserve the right to reject entry to the Tucson Ultra event at any time.
Contact
Email: Tucsonultra@gmail.com