Cocodona (Aravaipa Running)
Cocodona 250
Black Canyon City, AZ → Flagstaff, AZ
Race guide
Updated 19 July 2026
The Cocodona 250 is one of North America's most demanding multi-day ultramarathons, covering 407 km from Deep Canyon Ranch in Black Canyon City, Arizona to Heritage Square in Flagstaff. Produced by Aravaipa Running, the course links desert washes, pine-forested ridgelines, historic mining towns, and iconic red rock canyon country across a week of near-continuous movement, accumulating 13,935 meters of climbing to a high point of 2,828 meters. It is not a race you run so much as a route you manage — sleep deprivation, temperature swings of 30°C or more, and relentless elevation change demand that every decision about pace, sleep, crew, and nutrition be treated as seriously as any single climb. The point-to-point route travels roughly north from the Sonoran Desert foothills through Prescott, Jerome, Sedona, and the red rock plateau before climbing onto the Colorado Plateau into Flagstaff. That trajectory means you move from hot desert to high ponderosa pine, touching multiple distinct ecosystems and crossing terrain ranging from rocky jeep track and ATV trail to single-track and the Arizona Trail. With more than 20 aid stations and nine crew-accessible points in the first 100 km alone, logistical coordination with a crew is a genuine competitive and survival advantage for anyone aiming at a finish.
Course & Terrain Overview
The Cocodona 250 begins at 606 m elevation in Black Canyon City and spends its first 50 km climbing aggressively out of the lower Sonoran Desert. By km 52.3 at Lane Mountain, you have already gained over 1,400 m and reached 2,049 m — one of the sharpest early-race elevation ramps on any 250-mile course. The trail surface in this opening section is rocky desert single-track and jeep road, exposed and technical underfoot, with cacti and loose stone demanding careful foot placement even when fresh. Crown King at km 58.9 (1,790 m) is the first crew point and marks the end of the most brutal opening stretch. From Crown King through Prescott — passing Bumble Bee Ranch (km 82.1), Kamp Kipa (km 97.8), Whiskey Row (km 121.7), and Watson Lake (km 133.3) — the terrain transitions through mid-elevation chaparral and granite outcrops. After Fain Ranch (km 155.3) and Mingus Mountain (km 172.5, 2,315 m), the route drops spectacularly into Jerome before descending to Dead Horse Ranch at just 1,016 m — the lowest point in the back half of the race. From Sedona (km 256.1) the course climbs back onto the Schnebly Hill plateau (1,976 m at km 283.5) and enters the ponderosa pine zone that defines the final 100 km, finishing on the Arizona Trail corridor through Walnut Canyon and into Flagstaff at 2,104 m.
Decisive Climbs and Where the Race is Won or Lost
Three sections separate finishers from DNFs. The first is the opening 52 km to Lane Mountain: the cut-off is Monday 23:55, giving roughly 38 hours from the start, but the climbing is relentless and the desert heat in early May can be punishing in the afternoon hours. Runners who chase pace here and arrive at Crown King depleted rarely recover. The second critical section is the Mingus Mountain climb to 2,315 m at km 172.5, which must be completed by Thursday 08:00. This is mid-race, and many runners reach it having already been awake for 60-plus hours — the physical difficulty of the climb compounds savagely with accumulated fatigue. The third and most underestimated section is the final 100 km from Munds Park (km 305.8) to Flagstaff. The cut-offs here compress dramatically: Fort Tuthill (km 339.6) and Walnut Canyon (km 365.5) both carry a Saturday cut-off of 09:00 and 10:00 respectively, which is the same cut-off as the finish line at Heritage Square. This means that by km 365.5 you effectively have no time buffer — any runner reaching Walnut Canyon needs to cover the final 41.5 km to Flagstaff with virtually no margin. The Kelly Canyon AS at km 326.3 admits no crew or pacers, making it a lonely stretch when legs are at their worst. Sleep management through the two designated sleep stations — Camp Wamatochick (km 108.5) and Munds Park (km 305.8) — is central to arriving at the final stretch capable of moving.
Pacing and Sleep Strategy
Cocodona 250 is fundamentally a time-management event across approximately 150 to 200 hours of racing. The overall cut-off is Saturday at 10:00 (the finish), meaning total race time from Sunday start is roughly six full days. Average moving pace needs to sit around 4–5 km/h when accounting for aid station stops and sleep, but the early desert climbs and the big mountain sections will drop you well below that, requiring you to bank time on the faster, flatter stretches around Prescott and Cottonwood. Sleep is not optional. Most successful finishers plan one structured sleep stop at Camp Wamatochick (cut-off Wednesday 03:00) and a second at Munds Park (cut-off Saturday 06:00, which leaves almost no room for sleeping here beyond a short nap). The tighter the cut-off tracking, the shorter your permissible sleep, so banking time early in the race — particularly through the Prescott section — directly translates into sleep credit later. Pacers are allowed from multiple crew-accessible aid stations but are explicitly prohibited from pacing out of Walnut Canyon (km 365.5), making the final solo push into Flagstaff a point to rehearse mentally in training.
Fueling and Hydration
Arizona in early May delivers extreme diurnal temperature variation: desert sections below 1,500 m can exceed 35°C in the afternoon while nights above 2,000 m on Mingus Mountain or the Schnebly Hill plateau can drop to near freezing. Your fueling and hydration strategy must flex across both extremes simultaneously — cramping from under-hydration and gut shutdown from overcooling are both real risks on the same day. Caloric requirements over a 150-200 hour event are enormous; many finishers report consuming 4,000–6,000 kcal per day, and appetite suppression from heat and fatigue is a constant threat. The aid station spacing is manageable — rarely more than 20–25 km between stops — but the longer gaps in the back half (Deer Pass at km 236.4 is an unmanned crew-free station, and Kelly Canyon at km 326.3 has no crew access) demand that you carry adequate calories and fluid between stops. Crew-accessible stations from Watson Lake (km 133.3) onward allow you to receive drop bags with pre-planned real food, which most veterans prioritize over aid station fare alone. Electrolyte management is critical through the hot desert sections; sodium needs are elevated when sweating heavily at low elevation and again when you return to exertion at altitude.
Conditions to Expect
The race launches from the Sonoran Desert in early May, a period when temperatures in the lower canyons and desert washes can be genuinely dangerous in the afternoon. The first day — covering the 58.9 km to Crown King — exposes runners to peak desert heat with significant climbing, so starting conservatively and pre-hydrating aggressively before the start is not optional. As the route gains elevation through the Prescott Highlands and toward Mingus Mountain (2,315 m), temperatures moderate but wind becomes a factor, and night temperatures can surprise unprepared runners. The Sedona section (around km 256) features iconic red rock terrain but also intense solar radiation reflecting off sandstone — eye protection and sun screen are essential, not accessories. The final approach to Flagstaff on the Arizona Trail and through Walnut Canyon traverses ponderosa pine forest at over 2,000 m; conditions here are cooler and drier but the trail is rooted and technical, demanding focused footwork when you are 350+ km into the race. Thunderstorm activity is possible in early May at higher elevations, particularly in the afternoons. Mandatory gear requirements from Aravaipa should be treated as a floor, not a ceiling — the elevation range of over 2,200 m across the course means layering flexibility is essential at all times.
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Checkpoints & cut-offs
✓ Course data verified against the official source (2026-07-05) · official source
0 km · 606 m · —
11.9 km · 627 m · Mon 09:50
52.3 km · 2049 m · Mon 22:45
58.9 km · 1790 m · Mon 23:55
82.1 km · 1612 m · Tue 07:00
97.9 km · 2285 m · Tue 14:00
108.5 km · 1956 m · Tue 16:45
121.8 km · 1631 m · Tue 22:00
133.3 km · 1599 m · Wed 03:30
152.1 km · 1540 m · Wed 06:00
171.9 km · 2315 m · Wed 13:00
199.2 km · 1502 m · Wed 20:30
213.2 km · 1019 m · Thu 00:00
235.8 km · 1218 m · Thu 04:45
255.6 km · 1380 m · Thu 12:00
282.8 km · 1976 m · Thu 21:00
305.1 km · 1969 m · Fri 02:45
325.6 km · 2103 m · Fri 08:00
338.9 km · 2134 m · Fri 12:45
365 km · 2056 m · Fri 19:45
376.1 km · 2067 m · Fri 22:45
400.7 km · 2173 m · Sat 08:15
407 km · 2104 m · Sat 10:00
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