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Flagstaff · United States

Marathon races near Flagstaff

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Upcoming Marathon races near Flagstaff

No Marathon races in the next 90 days — see the series below.
Flagstaff · 80 km
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Recurring Marathon races near Flagstaff

Races that repeat — weekly, monthly or yearly

Flagstaff Marathon Presented by Cambium Wealth and Legacy Strategies
SAT OCT 3
The Flagstaff Marathon takes place at Arizona Nordic Village, north of Flagstaff within the Coconino National Forest. Participants can select a marathon, half marathon, 10K, or Kids Kilo. All races are run on singletrack and doubletrack trails through ponderosa pine and aspen forest at approximately 8,000 feet elevation. The event is known as “The Coolest Marathon in Arizona” and typically sells out, so early registration is advised. The marathon course covers the half-marathon route twice, incorporating the altitude and trail conditions throughout. Marathon runners face a cutoff at mile 19, requiring them to reach that aid station by early afternoon to proceed. The Coconino Community College Foundation and Sundog Running host the event, with proceeds benefiting CCC Athletics, particularly the men’s and women’s cross country teams. Race results have been archived since 2006, indicating a long-standing local presence.
Red Rocks of Sedona
SAT OCT 17
Red Rocks of Sedona is a one-day trail running series held annually in October in Sedona, Arizona. It features a Mountain Marathon, a 20-miler, a 10-miler, and a 2.5-miler. The longer three races begin in the morning, while the 2.5-miler starts later from Verde Valley School. Trail Running Escapes organizes the event, operating under a Coconino National Forest permit. The location is the south side of Sedona, within a forest system that spans almost 2 million acres. The courses traverse specific Sedona southside trails and are designed to be difficult. Runners in the Mountain Marathon, 20-miler, and 10-miler utilize race-day shuttles from the finish area due to a lack of parking at those starting points; however, drop-offs are permitted. The event fosters a small community atmosphere with activities including a Thursday beer run, Friday bib pickup at The Hike House, a Friday shakeout run, and an opening ceremony at Yavapai Vista Trailhead. A Vendor Village is present at the finish line on race day. Accommodation should be arranged in advance, as Sedona is costly in October. Nearby Cottonwood, campgrounds, and free BLM van or RV spots offer practical lodging options.
2026 Southwest Series - Day 4 (AZ)
WED NOV 11
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5K running Flagstaff → 5 10K running Flagstaff → 8 Half Marathon running Flagstaff → 4

Other races in the next 90 days

All sports & distances →
JUL 124 km away triathlon

Mountain Man Short Course Triathlons 2026

road
AUG 11 km away cycling

Bear Howard Gravel Race

48.3 km96.6 km160.9 km
AUG 164 km away triathlon

Mountain Man Long Course Triathlons 2026

road
AUG 2218 km away cycling

Village Gravel

gravel48.3 km96.6 km160.9 km
SEP 1912 km away cycling

Flagstaff to Grand Canyon Stagecoach Line Ultra

gravel160.9 km
About Marathon races in Flagstaff

Flagstaff Training Notes

Flagstaff hosts 3 Marathon races in 2026 within 80 km of the city centre — upcoming dates, recurring series, and other races nearby, all in one place.

Flagstaff sits at 2,134 meters, so the paces you used to hit at sea level feel harder each day. Locals stack base miles through Buffalo Park, Thorpe Park, and the FUTS network, which links more than 50 miles of paved and unpaved trails. Buffalo Park gives soft surface laps and quick connections toward Mount Elden. Campbell Mesa trails make easy days feel quiet, with pine-lined singletrack and loops up to 5-6 miles. Lake Mary Road carries the simple long out-and-back. Elden Lookout Trail brings the lung check with over 2000 feet in 2.5 miles. Team Run Flagstaff, NATRA, and NAZ Elite keep the town honest. Anchor races include Flagstaff Marathon, Flagstaff 50's Endurance Runs, Taco 'Bout Fun Run, and the 4th of July Flagstaff Downtown Mile.

Flagstaff riding feels small on the road and wide open once the gravel starts. Locals use Lake Mary Road for longer intervals because the road has a big bike lane and top notch pavement. Snowbowl road, 89a, Fort Valley Road / US 180, old walnut canyon road, s cosnino rd, and Schultz Pass Rd give the regular road menu. Gravel and CX bikes open the FS-road world, with Observatory Mesa to Wing Mtn Loop, Gravel Mary, and Walnut Canyon Arizona Trail in the mix. Schultz Creek & Arizona Trail and Full Sail bring singletrack into the week. Flagstaff Biking Organization keeps the bike calendar moving. Bear Howard Gravel Race, Valley of the Sun, and Tour of the Gila sit on the anchor-event radar.

May through early November is the clean training window, and September and October are the sweet spot for mountain biking. Summer gives locals a chance to escape the sweltering heat and enjoy cooler weather, but July through September brings monsoon season, with July and August as the wettest months. Warm summer nights are very uncommon, so early Z2 and evening intervals both work. Winter changes the deal fast because Flagstaff averages over 100 inches of snow each year and the snowy months usually run late November to March. Team Run Flagstaff moves winter practice to the Northern Arizona University Indoor Track, and riders start picking windows instead of assuming every climb is ready.

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