
Mammoth Run is a running race on October 4, 2026 in Moorpark, CA, with an entry fee of $35.
From the Organizer
Join us at Beautiful Arroyo Vista Community Park in Moorpark for the 13th Annual Mammoth Run!
Whether you're an experienced runner chasing a personal best or simply looking for a fun morning with family and friends, there's an event for everyone. Our 5K and 10K races feature a mostly flat, fast course that is ideal for runners of all abilities and offers an excellent opportunity to achieve a new personal record. Please note, there is a discount for runners 18 and younger.
For families and casual participants, we also offer a 1-Mile fun Run/Walk, making this a great community event for all ages.
Conveniently located next to Moorpark High School (see address below), Arroyo Vista Community Park provides the perfect setting for a fun-filled morning. Participants will enjoy music, warn-up stretches, giveaways, and a festive atmosphere throughout the event.
Medals will be presented to top finishers in each division, and the first 100 finishers will receive a commemorative participation ribbon.
Every registered participant will receive:
Proceeds from the 13th Annual Mammoth Run benefit local charitable organizations, including the Food Pantry, the Boys & Girls Club, and The Rotary Foundation's ongoing mission to eradicate polio worldwide.
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
78°
Typical Low
56°
Chance of Rain
7%
Based on US Climate Normals data from Camarillo Ap, 13 mi from the venue.
Host City
Nearest Airport
BUR
Hollywood Burbank/Bob Hope Airport · 29 mi
Time Zone
Pacific Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Mammoth Run, put it on the calendar, and turn “someday” into a start date.
24
Days to train
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From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Mammoth Run
Oct 4, 2026