Big Brothers Big Sisters of Flagstaff Dave McKay Memorial Half Marathon and 5K Run/Walk

Event Overview

• Date: August 8, 2026
• Race: Dave McKay Memorial Half Marathon and 5K Run/Walk
• Location: Actual Course - Thorpe Park, Flagstaff, AZ
• Registration Link: Sign Up Here!

Race Details

• Long-standing Tradition: Join Flagstaff's oldest race, and the 2nd oldest half marathon in Arizona, sponsored by Kinney Construction Services.
• Commemorative Medal: All half marathon participants will receive a finisher's medal similar to last year’s design.
• Participant Perks: Both half marathon and 5K participants will receive a $34 Sweatvac Hi-Tech colorful long-sleeved shirt, free digital race photos, and admission to the FREE August 7th Fratelli's pre-race pizza party.
• Kid's Dash: Participants will also receive a medal.

Course Information

• Scenic Route: The course starts at Thorpe Park and climbs onto Observatory Mesa, offering spectacular views of the San Francisco Peaks.
• Elevation: The race starts at 6957 ft and reaches 7731 ft near the 7.5 mile mark.
• Pacing Advice: Most climbing occurs in the first 1.25 miles: participants are advised to pace themselves, especially those from lower elevations.
• 5K Course: The 5K will also take place on Observatory Mesa.

Additional Information

• Fundraiser: New for this year, a split the pot fundraiser will be hosted.
• Flagstaff Running Series: The race is part of the 22nd annual Flagstaff Running Series package of five iconic races.
• Savings Opportunity: Register before June 14th for the Series package at this link.
• Partner Race: Join us for the SOULSTICE MOUNTAIN TRAIL RUN 30K/18K/10K on October 10th. More info here.