Flagstaff, AZ, United States · Saturday, September 19, 2026

Fixed Distance 50K

Flagstaff to Grand Canyon Stagecoach Line 55km

3 days to go

55 km Distance

not publishedn/a Climbing

2.8 est Grit · Entry level

Calculated from 55 km alone — the organiser has not published an elevation profile. Read 2.8 as a floor, not a verdict.

35.1981° N, 111.6513° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 9 hours 9:49 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 80% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →

Field size ~45 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (55km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 27°C

Night low 11°C

Rainfall Mostly dry

Daylight 12 h 18 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 1836 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 55 km of trail.

Trail Running Shoes55 km of trail — cushioning that is still there in the last quarter.
Race Nutrition55 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 55 km, without the bounce.
GPS WatchesBattery life first — a 55 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

Start at the Flagstaff Hotshots Ranch off Snowbowl Road. Finish at Cedar Ranch. Course follows the Arizona Trail and the historic Flagstaff to Grand Canyon Stagecoach Line route

Similar races

Other 50K trail ultras, closest in distance first.