The road to your own record
Picture the course in advance
and find the pace that fits you.

The city you want to run becomes your next trip.
THE DREAM
A trail race around Diamond Valley Lake.
Categories include trail full marathon and half marathon, 15k, 10k, 5k, stroller 5k, and kids 1-mile, allowing family participation.
Picture the course in advance
and find the pace that fits you.
Streets lined with cheers, runners all around.
You'll be part of that scene.
Take it slow with the finish still in you,
and meet the city all over again.
From the joy of finishing to the tough moments — read what runners wrote themselves.
No runner reports yet. We'll add them here as they come in.
Preview the course and read what runners who went before you wrote.
Thomas Tan Ultra
This may be from a past edition. Check the organizer for this year's course and operations.
YOUR ENTRY
Here are the ways to enter and what each requires.
Check the organizer's page for whether entries are open.
until Jan 12, 2027 · subject to change — verify officially
Organizer's pageuntil Jan 12, 2027 · subject to change — verify officially
Organizer's pageuntil Mar 19, 2027 · subject to change — verify officially
Organizer's pageuntil Mar 19, 2027 · subject to change — verify officially
Organizer's pageRACE WEEK
Know the course and time limit, and race day comes into focus.
| Event | Start |
|---|---|
| Marathon42.195km | 07:00 |
| Half21.0975km | 07:30 |
| 10K10km | 08:00 |
| 5K5km | 08:30 |
| 15k15km | 08:00 |
Events divided into 9 categories including Trail Marathon, Trail Half Marathon, 15k, 15k (Youth Under 19),
etc. Start is at 2615 Angler Ave, Hemet, CA at 7:00 AM local time.
Not yet confirmed in the official race guide
Pick up your bib, check your wave.
So on race morning, you can just run.
No train/subway/bus service to the venue.
Start is at Diamond Valley Lake Marina / Wildflower Trails area in Hemet, CA — a remote reservoir/trail venue reached only by car;
there is no public transit stop near the marina.
Rural reservoir trail venue in Riverside County with no rail/bus service.
Same as start (loop course finishes at the marina/trailhead).
No public transit access;
participants must drive/rideshare to Diamond Valley Lake Marina.
No organizer shuttle mentioned in available sources.
Your start time, fuel and bag drop.
Know them ahead and the run feels easier.
The Bedrock Valley Trail Run is a new trail race held in the area of Diamond Valley Lake Marina in Hemet, California.
Families can participate in the marathon, half marathon, 15K, 10K, and 5K, as well as a stroller category (stroller 5K) and a 1 mile Fun Run for children.
Registration is accepted through elevationculture.com and Running Sign Up, and as of the previous year,
Entry fee was structured to increase from $45 for early registration to $85 when the competition was imminent.
On-site registration is also possible, and cash, credit card, and check card payments are all accepted.
It will be held in a 'cupless' manner without the use of disposable cups, and completion finisher medal and commemorative t-shirts will be provided,
and a gravel bike race will also be held on the same weekend, making the event venue crowded all day.
Times are local to Hemet. Check the latest official information before the race.
STAY A LITTLE
From a hotel that makes race morning easy,
to the meals and views you'll enjoy with the medal on.
Distances are straight-line from the start.
Check real travel times and booking terms with each hotel.
Hotel · 4.8km
View on Booking.comHotel · 4.9km
View on Booking.comHotel · 4.9km
View on Booking.comMotel · 4.9km
View on Booking.comAccommodation · 5.0km
View on Booking.comAccommodation · 4.8km
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Rest a little, wander a little.
Pick what suits you and whoever you're with.
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Be the first runner
Leave this room's first post
It takes place on Sat, April 3, 2027 in Hemet, CA, United States.
The main event costs $115.
Marathon · Half · 10K · 5K.
The race starts at 07:00.
2615 Angler Ave, Hemet, CA.
Registration runs from Mon, August 24, 2026 to Thu, April 1, 2027.