13DEC
- Date
- Dec 13, 2026
- First start
- 7:15 AM
- Distances
- 4 distances
- Time limit
- 7.5 hours
- Elevation gain
- 41 feet
The full marathon, the 50K and the marathon relay start at Biosphere 2 near Oracle and run down past Catalina, through Oro Valley, finishing at Pima Community College Northwest Campus.
The first two miles roll, then you turn onto Highway AZ-77 at mile 2.8 and enjoy a smooth descent toward Tucson. Give yourself time: it is a half-mile walk from staging to the start line.
At a glance
Sunday, Dec 13, 2026 · 7:15 am
Biosphere 2 → Pima CC Northwest
Marathon · Half · 50K · Relay
2:12:47 Riley Nedrow · 2:38:30 Obsie Birru (2024)
Host Hotel Private Shuttle For those participants staying at the host hotel (El Conquistador Tucson) and using the official booking code, you will have a private shuttle bus to either the Marathon/50K start line or the Half-Marathon start line. Only those booking their stay with the official booking code part of our room block will be on the shuttle bus list from the host hotel. Post Race Shuttles Buses will be con
Spectator Finish Parking We encourage on-site parking available at Pima Community College Northwest Campus (finish line).
Pick your distance
The numbers for each course, straight from the race page. Compare them side by side below.
- Date
- SUNDAY, December 13, 2026
- Start Time
- 7:15 AM
- Start Location
- Biosphere 2
- Distance
- 26.2 Miles
- Max Elevation
- 3,969 feet
Compare the distances
| Marathon | HALF | MARATHON RELAY | 50K | Half Chairs | |
|---|---|---|---|---|---|
| Date | SUNDAY, December 13, 2026 | – | – | – | – |
| Start Time | 7:15 AM | – | – | 7:10 AM | – |
| Start Location | Biosphere 2 | Golder Ranch Fire Admin | – | – | – |
| Distance | 26.2 Miles | 13.1 Miles | 31.6 Miles | – | – |
| Max Elevation | 3,969 feet | 3,081 feet | – | – | – |
| Total Elevation Gain | – | 41 feet | 292 feet | 445 feet | – |
| Total Elevation Loss | – | 817 feet | – | 1,942 feet | – |
| Time Limit | – | – | 7.5 hours | – | – |
Course & location
Highway 77, Oracle, AZ
Course map Entry fees
Prices go up as race day gets closer; register early.
| Marathon | Half | 50K | Relay | |
|---|---|---|---|---|
| Until Mar 31 | $129 | $109 | $139 | $239 |
| Apr 1 – Jun 30 | $139 | $119 | $149 | $259 |
| Jul 1 – Aug 31 | $149 | $129 | $159 | $279 |
| Sep 1 – Nov 14now | $165 | $145 | $175 | $299 |
| Nov 15 – Dec 12 | $179 | $159 | $189 | $319 |
Prices don't include tax or registration-platform fees.
Course records
- FOTO Half-Marathon Wheelchair · Women's51:47Chelsea Stein (2021)
- FOTO Half-Marathon Wheelchair · Men's41:58Valera Allen (2021)
- 50KM Ultra · Women's3:42:21Madison Hart (2024)
- 50KM Ultra · Men's2:54:31Simon LeBlanc (2024)
- Marathon · Women's2:38:30Obsie Birru (2024)
- Marathon · Men's2:12:47Riley Nedrow (2024)
- Half-Marathon · Women's1:12:12Jeralyn Poe (2023)
- Half-Marathon · Men's1:03:12Ryder Searle (2023)


