Bedrock Valley Trail Runs

APR
11-12
2026
The Bedrock Valley Trail Runs offers a weekend of trail running and gravel biking at Diamond Valley Lake. Choose from a marathon, half marathon, 15k, 10k, or 5k on Saturday, followed by gravel bike rides on Sunday. It's a cupless event with finisher shirts and medals for runners.
11-12 Apr 2026
Marathon Half Marathon 15 kilometers 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Event Overview

The Bedrock Valley Trail Runs is a multi-distance trail running and gravel bike event taking place over two days at Diamond Valley Lake Marina in Hemet, California. It features a wide range of running events and a separate day of gravel cycling.

Running Events

The running events are scheduled for Saturday, April 11, 2026. They include:

  • Trail Marathon
  • Trail Half Marathon
  • 15k and a Youth 15k (ages 10-19)
  • 10k
  • STAMPEDE 5K, SOARING 5k, and a Youth 5k (ages 10-19)
  • Stroller Trail 5k
  • Elevated Youth 1M (1 Mile Kids Fun Run for children 10 and younger, non-timed)

The marathon course is described as a relatively flat loop around Diamond Valley Lake, finishing with single-track trails and small climbs. The half marathon is an out-and-back along the lake bed. The 15k course includes flat, fast, climbing, and descending sections on the Wildflower single-track trail. The 10k and STAMPEDE 5K are fast, flat out-and-back routes. The SOARING 5K includes up-and-down sections on the Wildflower Trails, finishing along the shoreline. The Stroller Trail 5k is a flat out-and-back route designed for strollers.

Gravel Bike Events

The gravel bike events are scheduled for Sunday, April 12, 2026. Participants can use gravel, mountain, or e-bikes. The events are:

  • Gravel Ride 36k / 22 Miles
  • Gravel Rock Bike 72k / 44 Miles
  • Gravel Rock Bike 108k / 67 Miles
  • Gravel Kids Ride 10k

Event Details

The event is cupless; participants must bring their own hydration vessel. All finishers in the marathon, half marathon, 15k, 10k, and 5k events receive a custom finisher shirt and medal. Race day photos are provided for free.

A "Dirt Festival" bundle offers a 15% discount for participants who run any distance on Saturday and ride any distance on Sunday. Age group and team awards are offered for the running events. Visit the organization's website for the most recent information.

Marathon
Trail Marathon
Half Marathon
Trail Half Marathon
15 km
15k
10 km
10k
5 km
Soaring 5k
5 km
Stampede 5k
5 km
Stroller Trail 5k
Elevated Youth 1m
Gravel Rock Bike 72k
Gravel Rock Bike 108k
Gravel Ride 36k
Gravel Kids Ride 10k