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Motherlode Monster Dash 5k
October 31 @ 8:00 am – 10:30 am
The 2nd Annual Mother Lode Monster Dash 5K & Costume Contest returns to Jackson on Halloween morning, Saturday, October 31, 2026.
Runners and walkers of all abilities are invited to tackle the Halloween-themed 5K, which starts and finishes at the historic Jackson Catholic Cemetery. Costumes are encouraged, with prizes planned for top overall and age-group finishers as well as standout costumes. First-place finishers will receive homemade pumpkin pies prepared by Argonaut culinary students, and the first 100 registered participants are guaranteed a race T-shirt.
Race-day check-in and bib pickup begin at 7 AM, with the 5K starting at 8 AM and a post-race celebration following at 9 AM. Parking is available at the Jackson Catholic Cemetery on Cemetery Lane in downtown Jackson.
Registration is $38.10, including the online fee, and closes October 30 at 11:59 PM. All proceeds benefit the Argonaut Cross Country program.
For registration and more information, visit https://runsignup.com/Race/CA/Jackson/MotherlodeMonsterDash5k.
