24hr • 48hr • 72hr Fixed‑Time Races

March 5–8, 2026 • Himmel Park • 1000 N Tucson Blvd, Tucson, AZ 85716

Race start times

72hr: Thu 3/5/26 • 10:00am
48hr: Fri 3/6/26 • 10:00am
24hr: Sat 3/7/26 • 10:00am
All races end Sun 3/8/26 • 10:00am

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.

Resident windows: Tucson residents: Sept 1 – Dec 1. Arizona residents: from Jan 1, additional slots open (per city/park limits).

Choose your event

24 Hour

Starts Sat, Mar 7, 2026 • 10:00am • Ends Sun 10:00am

Fixed‑time racing: go as far as you can in 24 hours. You vs You.

Volunteer

48 Hour

Starts Fri, Mar 6, 2026 • 10:00am • Ends Sun 10:00am

Double the day, double the distance • stay steady and stack miles.

Volunteer

72 Hour

Starts Thu, Mar 5, 2026 • 10:00am • Ends Sun 10:00am

The multi‑day classic. Pace, rest, repeat. Community keeps you moving.

Volunteer

What is fixed‑time racing?

Runners and walkers aim to cover as much distance as possible within a set time: 24, 48, or 72 hours. It’s 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 snacks and beverages. Volunteers will provide vegan/vegetarian burritos, bagels, and assorted snacks throughout the event.

Course

Himmel Park loop

Distance: 0.78 miles per lap (around the park perimeter)

Surface: concrete, asphalt, and compact dirt path

Address: 1000 N Tucson Blvd, Tucson, AZ 85716

Aid / HQ area and restrooms near the south parking lots on N Tucson Blvd. Please follow all posted City of Tucson and Parks & Recreation rules.

Himmel Park 0.78‑mile loop course map (click to enlarge) — Click map to enlarge

Parking & Policies

Parking

Please park along Treat Ave. There’s no overnight parking in park lots.

Refunds

No refunds. We’ve kept fees minimal; your donation covers park permits, insurance, and portable restrooms.

Contact

Email: Tucsonultra@gmail.com

Questions about accessibility, volunteering, or local guidelines? Drop us a line.