Trail
50 mile loop
80.5 km
Start: Jan 3, 02:00 AM
Race month
March · 41°–65°
Field size
350–800
Distances
80.5k, 40.2k
Trail
80.5 km
Start: Jan 3, 02:00 AM
Trail
40.2 km
Start: 08:00 AM
Finish-time calculator
Slide to your target pace — and see when you’ll hit the line.
6:00
min / km
8:02:49
Estimated finish · 80.5 km
Where am I when? · Splits
Estimates only · form, weather, and hills can change the result.
What makes this race distinct — for training and race day.
One of the oldest trail ultramarathons in Arizona, set in the scenic Santa Rita Mountains with starts at the historic Kentucky Camp mining site.
350–800
Water, electrolyte drink, potatoes, oranges, bananas, chips, M&Ms, pretzels, PB&J sandwiches, Coke, V-8, and soup available at aid stations. No electrolyte tablets provided.
Pacers are allowed for 50-mile runners aged 60 and older on the second loop. Pacers must check in and start their pacing duties at Kentucky Camp at the race start.
Assumed starting point
Estimating travel…
25 mile: 7 hours; 50 mile: 15 hours. All 50-mile runners must complete the first loop by 1:00 PM.
Yes, drop bags are permitted at all aid stations for 50-mile runners and must be placed in the designated bins with name, aid station, and bib number.
No, crew access is not allowed at Melendrez Pass aid station; runners will be disqualified if crew is present there.
Last updated: Jun 5, 2026, 11:37:29 PM
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