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| 49th Annual KCS Big Brothers Big Sisters of Flagstaff Half Marathon and 5K |
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| Date: | Saturday, August 8, 2026 | ||
| Location: | Thorpe Park Flagstaff, AZ | Map |
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| Address: | 191 N Thorpe Road |
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| Registration Information | |||
| Instant Online Registration: | Register online. It's fast, secure, easy, and convenient.
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| Fees: | Half Marathon $95 through Feb 25 | ||
| Half Marathon $105 thru July 27 | |||
| Half Marathon $115 after July 27 | |||
| 5K $55 through Feb 25 | |||
| Event Information | |||
| Distance: | Half Marathon Ultra/Trail | Start Time: | 7:30 AM |
| 5K Ultra/Trail | 7:45 AM | ||
| Kids' Dash 1K Ultra/Trail | 7:15 AM | ||
| Early Half Marathon Walk/Run Ultra/Trail | 6:00 AM | ||
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| Course: | The August 8th, 49th annual Big Brothers Big Sisters Half Marathon and 5K sponsored by Kinney Construction Services is Flagstaff's oldest race, and the 2nd oldest half marathon in Arizona. Our beautiful half marathon course starts at Thorpe Park and climbs the steep urban trail onto Observatory Mesa (where astronomers discovered Pluto) and follows dirt roads with spectacular views of the San Francisco Peaks. Elevations range between 6957 ft at the start, to 7731 ft near the 7.5 mile mark! | ||
| Age Groups and Awards: | Half Marathon, Top Overall, Masters (40-59), Grand Masters (60+) pulled from their divisions: 18 and Under, 19-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+; 5K Fun Run, Top 3 overall only | ||
| Highlights: | High altitude, breathtakingly beautiful course. All half marathon participants will get a commemorative finisher's medal similar to last year's popular design. Both 5k or half 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 located in their Party Room directly behind their 4th Street restaurant (2120 N Fourth Street). Kid's Dash participants will get a medal. | ||
| Sponsors: | Kinney Construction Services, Northern Arizona Trail Runners Association, Fratelli Pizza | ||
| Contact Information | |||
| Contact: | Neil Weintraub | ||
| 1350 East Sundrop Lane | |||
| Flagstaff, AZ 86001 | |||
| Phone: | 928-600-3685 | ||
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