In 50 days · Sat, Oct 10, 2026
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Saturday, October 10th, 2026
Government Prairie, Kaibab National Forest, Parks AZ
Ultra · 10K · 1 Mile
41–63°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
49–62°F
rain
2024
51–72°F
dry
2023
44–66°F
dry
2022
37–63°F
dry
2021
34–59°F
dry
2020
46–66°F
dry
2019
32–58°F
dry
2018
33–50°F
dry
2017
32–62°F
dry
2016
44–66°F
dry
Best months to race in Arizona →
About this race
Event Details
Welcome to registration for the 27th running of the Soulstice Mountain Jackie Weintraub Memorial Trail Run on October 10th, 2026 (or October 11th if the weather is too severe on race day).
The Soulstice Mountain Trail Run is organized by volunteers, including the unpaid race director, from Northern Arizona Trail Runners Association (NATRA LLC). As a result, 100% of the race proceeds benefit Big Brothers Big Sisters of Flagstaff youth mentoring programs.
Registration Information
- Early Bird Registration: Opens at 6 PM on New Year's Eve until January 7th at $70 for any race.
- Race Fee: After early registration, the fee will be $80 for the 10K, 18K, or 30K distances.
- Lottery System: If we exceed our 200-runner permit limit by April 30th, a lottery will be implemented.
- Legacy Runners: All legacy runners registered before April 30th are guaranteed entry.
Special Features
For the 2026 Soulstice race, we are also featuring participants and volunteers from the Luke5Adventures of Flagstaff Chapter (L5A), a non-profit that provides hiking opportunities for people with mobility challenges across Northern Arizona!
- Community Involvement: Founded at the Soulstice post-race party in 2001, NATRA’s mission is to promote trail running in Northern Arizona to folks of all abilities.
- Group Runs: NATRA organizes group runs of 5 to 8 miles, rotating a mix of over 75 different trails on Saturday mornings.
- Membership: You can join our free lifetime membership here.
- Tax Credits: Guarantee your entry before April 15th by donating one of your Arizona Charitable Tax Credits to Big Brothers Big Sisters of Flagstaff.
Race Day Information
For many reasons, safety of all runners first, dogs are not allowed on the race course.
October 10th Race Times:
- 7 AM: 10K/18K Non-Competitive Early Starters and all 30K runners (4 HR, 30 min cutoff)
- 7:30 AM: Klostermeyer Kids' Camel Dash at Li'l Pup Ranch
- 8:00 AM: Competitive 10K/18K
Learn More
Learn more about our 30K course here!
Current Status
8/12/2026: SOULSTICE SOLD OUT, SIGN UP FOR THE WAITING LIST IS OPEN!
Volunteer Opportunities
You can view the list of 150 legacy runners here.
Course map
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