Old Pueblo Endurance Runs
Sonoita, Arizonaoldpueblo50.com
- 50K entry
- $115
- Aid stations
- 15
- Days to register
- 121
At a glance
- Date
- Mar 6, 2027
- Location
- Sonoita, Arizona
- Distances
- 50 mi, 50K
- Aid stations
- 15, 8 with crew access
- Registration
- Closes Feb 20, 2027, via ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
15 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
Starting at the historic mining site of Kentucky Camp, the race takes you into the rugged, rocky shadow of Mt. Wrightson along the Arizona Trail through the southeastern part of the Santa Rita Mountains.
Key dates
Registration closes
Feb 20, 2027
Race day
Mar 6, 2027
Pricing
50 Miler
Registration after Dec 17
$150
50K
Registration after Dec 17
$115
Email me updates about Old Pueblo Endurance Runs
Registration openings and major changes, like a new date or a cancellation.
Aid stations
15| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
50K: Melendrez Pass #1 First 50K visit. | 5.00 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50K: Box Canyon | 10.25 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50K: Melendrez Pass #2 | 15.25 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50K: Cave Creek A regular passenger vehicle reaches the station most of the time; high clearance is recommended in bad weather or extreme snowmelt. | 21.25 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50K: Gardner Canyon | 27.75 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50K: Finish Hamburgers and other food items are available from noon onward at Kentucky Camp, the start/finish. | 32.50 miles | 4:00 PM | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+10 | ||
50 Mile: Melendrez Pass #1 | 5.00 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Melendrez Pass #2 | 10.50 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Cave Creek A regular passenger vehicle reaches the station most of the time; high clearance is recommended in bad weather or extreme snowmelt. | 16.75 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Gardner Canyon #1 | 23.25 miles | -- | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Kentucky Camp Runners must return here by 1:45 PM to begin the second loop. Hamburgers and other food items are available from noon onward. | 28.00 miles | 1:45 PM | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+10 | ||
50 Mile: Gardner Canyon #2 | 32.75 miles | 3:15 PM | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Melendrez Pass #3 | 39.00 miles | 5:15 PM | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Melendrez Pass #4 | 45.00 miles | 7:30 PM | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+8 | ||
50 Mile: Finish Hamburgers and other food items are available from noon onward at Kentucky Camp, the start/finish. | 49.75 miles | 9:00 PM | waterelectrolyte drinkScandinavian Swimmers (sour or non-sour)potatoes+10 |
Entry transfers
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Race planning
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