Filthy 50+ - Mtb Ride with Benefits
About this race
The 12th Annual Filthy 50+ will take you through various areas of San Dieguito River Park and Black Mountain Park. Fast and flowy for all skill levels. The 30 mile riders will head out and turn around at the 15 mile mark and the 50+ mile riders will continue on to the Black Mountain Park area where you will encounter a lollipop and new trails to go with it! The course will be fully marked with Pink Flags and Red Arrows. Fully stocked feed stations will be placed throughout the ride to keep you fueled up.
There will be a kid’s ride supported by Team Quick n’ Dirty at 8:45am. Awards will be given out immediately following the kids ride. Registration for the kid’s ride will be online and onsite.
When riding the course please be aware that the trails will be open to the public so please pay attention to other riders, hikers, and horseback riders. Please pay special attention when riding the switchbacks portion of the course and use courtesy when passing. Thanks!
WHEN:
Saturday, October 31, 2026
- Start times will be:
- 8:00am for 50 mile
- 8:30 for 30 mile
- 8:45 for Kids Race
WHERE:
- San Pasqual Staging Area near 18194 Bandy Canyon Rd., Escondido, CA 92025 GOOGLE MAPS LOCATION
REGISTRATION:
- REGISTER EARLY - IT WILL SELL OUT!
- Registration closes the day before the race -or- when registration is full. If registration is full, the waitlists will open.
Check-in will be open from 6:00 to 7:30 on day of event
COURSES:
- 50 Mile Course RideWithGPS
- 30 Mile Course STRAVA
FEED STATIONS:
Please stop if you need to refuel. There will be plenty of Hammer Nutrition products available. The mile marker and addresses are below if your support crew want to do hand-ups.
#1– 11 Miles & #4– 42 Miles (12653 Sunset Dr Escondido, CA 92025)
#2– 21 Miles & #3– 32 Miles (San Dieguito River Park San Diego, CA 92127)
FILTHY 50+ REGISTERED RIDERS WILL RECEIVE:
- Swag bag provided by Hammer Nutrition
- Commemorative FILTHY 50+ event item
- QnD Costume Party sponsor by 805 Beer!
- Awards for the Top 3 Finishers in each class for the 50+ mile ride
- Awards for the Top 3 Males and Top 3 Female finisher of the 30 mile ride
- Electronic Timing and Results.
- Fully stocked Feed Stations at strategic locations. Feed Stations will include: hydration by Hydro, fruit, food, and Hammer Nutrition Products. The station will also include a self-help mechanic area. (Each Feed Station can be accessed in both directions).
ENTERTAINMENT:
- Live entertainment at the Filthy 50 Oasis
- Kids area with a Kids ride!
- Food will be available at an additional cost
- Vendor Village
- Prize raffle with a portion of the proceeds going to SDRP Bike Patrol.
The primary goal of the Filthy 50+ Fun Ride with Benefits is to bring the mountain biking community together and to celebrate what we all love to do, RIDE OUR BIKES! Additionally, we want to bring awareness concerning the trails we ride on, as well as give back to the organizations that keep us riding on those trails. As part of the Filthy 50+ we urge you to help us give back by donating to the SDRP Bike Patrol.
Pick your distance
Mountain biking
50 MILES
50 Miles for all categories age 16 and above.
30 MILES - ADULT
30 Miles for all categories age 16 and above.
30 MILES - SCHOOL BOY/GIRL
30 Miles for School Boy and Girl categories age 12-15.
KIDS RACE
This for the future of mountain biking, ages 11 and under, on a neutral terrain course around the venue.
Typical race-day weather
Based on 1 year of Open-Meteo archive data for this event's race dates in Escondido, plus the 3 days either side.
The sun rises at 7:05 AM and sets at 5:57 PM local time (PDT) in Escondido on October 31, 2026 — 10h 51m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Other races near Escondido
Different organizers, within 40 miles, in the next three months
Step Up for Moms: Carry the Light Global Relay
Meet at: Splash-tastic Fun at Legoland
Jakes & Del Mar Lifeguard Association Fun Run/Walk
Bikes & Beers San Diego
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 18 Escondido events
Spotted something wrong? Tell us and we'll fix it.