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Trail Running Calendar near Flagstaff 2026-2027

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Explore the top trail runs near Flagstaff for 2026-2027! We've gathered 14 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
Aug
8
Sa

Dave McKay Memorial Half Marathon

Trail Run Walk 5 km 13 mi
A historic Flagstaff race on August 8 with half marathon, 5K and Kid's Dash options on Observatory Mesa. Proceeds support Big Brothers Big Sisters of Flagstaff and participants receive shirts, photos and medals.
Aug
15
Sa

Southwest Vertical Challenge at AZ Snowbowl

Trail Run 11 mi
A USATF MUT sanctioned uphill race at Arizona Snowbowl covering about 11 miles of ascent to the summit, limited to 150 runners with on course aid stations and summit awards.
September 2026
Sep
13
Su

Groovin' in the Aspens

Trail Run 6 km 10 km ... 30 km 50 km
Trail running at Fort Valley Trailhead in Flagstaff with 6K–50K loop options through aspens and pines, aid stations no more than 7 miles apart.
Sep
19-20
Sa - Su

Flagstaff to Grand Canyon Stagecoach Line Ultra

Trail Run 55 km 100 mi
Endurance races from Flagstaff to the Grand Canyon with 100 mile and 55K runs, a 100 mile mountain bike race, and relay options along the Arizona Trail.
Sep
25-27
Fr - Su

Flagstaff Sky Peaks

Trail Run 5 km 6 km ... 50 km 50 mi
A three day mountain trail weekend at Arizona Snowbowl with distances from a short hill climb to 50 miles, plus fixed time events and high elevation courses.
Sep
26
Sa

Babbitts Backyard Ultra

Backyard Ultra 4 mi
Last person standing backyard ultra near SP Crater in Flagstaff, AZ with repeated one-hour loops of 4.167 miles until one runner remains.
October 2026
Oct
3
Sa

Flagstaff Marathon

Trail Run 6 mi 13 mi 26 mi
Experience an off road trail race through the Coconino National Forest at high altitude. Choose from a marathon, half marathon, or 10k while supporting local college cross country programs in the Arizona Nordic Village.
Oct
10
Sa

Soulstice Mountain Trail Run

Trail Run 6 mi 11 mi 30 km
A volunteer-organized trail race at Government Prairie in Kaibab National Forest offering 30K, 18K, 10K and a 1K kids dash, with 100% of proceeds benefiting Big Brothers Big Sisters of Flagstaff.
Oct
10
Sa

Flagstaff Loop Trail

Trail Run 45 mi
An informal, no-fee 45 mile loop around Flagstaff that requires self-navigation with a GPX file. Participants must bring assigned food or drink contributions and be prepared to carry most of their own supplies.
Oct
17
Sa

Elden Ridge Run

Trail Run Half Marathon
A trail half marathon from Sandy Seep Trailhead up Mt. Elden and back, featuring a summit aid station, a strict 2 hour summit cutoff, and limited primitive parking.
Oct
17
Sa

Red Rocks Of Sedona Fall Race

Trail Run Walk 3 mi 10 mi 20 mi 26 mi
Trail races in Sedona on Oct 17, 2026 featuring Marathon, 20 Mile, 10 Mile and 2.5 Mile courses on the Hi Line Trail with marked routes and aid stations.
November 2026
Nov
8
Su

Mountainaire Marathon

Trail Run 13 mi 26 mi
Trail marathon and half marathon in Mountainaire, AZ on November 8, 2026 with single track and forest road courses. Free entry with encouraged donations, limited course markings, aid stations, approximate distances, no official timing.
February 2027
Feb
20
Sa

Kahtoola Uphill

Trail Run
An annual mountain fundraiser with multiple climb courses and team entries, raising funds and sponsorships to support Friends of Camp Colton and outdoor education for kids.
April 2027
Apr
17
Sa

The VUE

Trail Run 4 mi 12 mi ... 34 mi 50 mi
The VUE is a Sedona trail race weekend with five distances across Westside single track and red rock terrain. The event features a post race vendor village and awards, and it emphasizes Leave No Trace practices and local partnerships.
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