Loading Events

« All Events

Sac River Trail | 26.2, 55k, 50m

October 19


50 mile

Race Information:


Shasta Dam

Race Details:


The Sac River Trail Marathon takes you from Shasta Dam to the Sundial Bridge via single track trails. It is fast and scenic, with 800′ net elevation loss, no hills of significance! 1 mile on the dam, 21 plus miles single track dirt, and the last 4 on a paved bike path.


The 55K Ultramarathon combines the Marathon and 15k around Deer Creek Trail All three races boast fantastic views of the Three Shastas (mountain, lake, dam). 

The 50 Mile

*There will be a shuttle at the Finish Line (Sundial Bridge) that you can park your car and take to the Start Line (Shasta Dam).  You may purchase your shuttle pass during checkout on UltraSignup


Registration Info and Prices:


  • $80 (until March 31)
  • $85 (until Aug 31)
  • $90 (Sept 1 – Oct 18)


  • $85 (until March 31)
  • $95 (until Aug 31)
  • $105 (Sept 1 – Oct 18)


  • $95 (until March 31)
  • $105 (until Aug 31)
  • $115 (Sept 1 – Oct 18)
Check in & Bib Pickup Details:

Pre Race Check In & Registration:

  • When: Friday, October 18th:  3:30pm – 6:30pm
  • Where: Wildcard Brewing Co Tied House (1321 Butte St #140, Redding CA 96001)

Race Day Check In:

  • When: Saturday, October 13th:  7:00am – 8:15am 
  • Where: Race Start/Finish Site Shasta Dam
Start Times:

50 mile: 6:30am

Marathon and 55k: 8:30am

*There will be a shuttle at the Finish Line (Sundial Bridge) that you can park your car and take to the Start Line (Shasta Dam).  You may purchase your shuttle pass during checkout on UltraSignup

Time Limit Per Distance

Marathon: must finish by 5:30pm (9hrs)

55k: must finish by 5:30pm (9hrs)

50M: must finish by 7:30pm (13hrs)


Start/Finish Parking Info Directions:

Start:  Shasta Dam Vistor Center Parking Lot


Finish: River Park Amphitheater at Sundial Bridge

Post-Race Info:

Grilling Burgers (meat and vegggie), fruit, drinks and hanging out at the finish! Finalizing additional details and benefits from our Sponsors 



Finisher Medals made by Elevation Culture. (being designed as we speak)

Top 3 Male and Female of each distance will receive a custom award

 1st Place Male and 1st Place Female at 55k, Marathon will also receive $50 Gift Certificate from Altra Running and a Soft Flask from HydraPak!




Shirt Info/Race Swag:

15k & Marathon: $15 to purchase during Registration  ($20 at packet pickup/race day)

55k: included in entry fee

Course Records:
Coming soon!
Course Description:

15k runners will cross the dam and turn left on Coram Rd.  Then right on OHV Rd 1, then right again on OHV Trail 18 and follow 18 until it rejoins 1.  You will then turn right on Road 1.  You will then turn right at the Dry Creek Trailhead and will follow the Dry Creek Trail back to the Dam and the finish.

 Marathon runners will follow the Upper Sacramento Ditch Trail to the Hornbeck Trail.  Then take to the FB Trail and continue on to the North River Trail connecting to East River Trail.  You will then cross the Sundial Bridge to the River Park Amphitheater where you will reach the finish.  

55k runners will continue past the 15k finish and go around the western perimeter of the Visitor Center Parking Lot.  From there you will continue around the perimeter to the Sacramento Ditch Trail and follow the same course as the Marathon Runners.  


Course Map

50 Mile:



Elevation Profile:


Marathon:  Elevation Gain: 552ft

55k: Elevation Gain: 1,717 ft


Aid Station Info:

Aid station food will include: water, trail mix, pretzels, potato chips, oreos, pb&j, m&m’s, tangerines, mike & ike’s, gummi bears, bananas, Tailwind, Salt Tabs, coke, mountain dew, ginger ale

STR Goes Cupless! In an effort to do our part in minimizing waste on and off the trails there will no longer be paper cups for water/soda/tailwind use but you will need to carry your own cup and/or water bottle to utilize at each aid station. It’s lightweight, easy to hold, reusable and collapsible so you can tuck it almost anywhere.


Host Hotel- Sheraton Redding (email shastatrailruns@gmail.com for more details and group rates prior to booking!)


Refund Policy

Entry fees to STR runs are non-refundable. With advanced notice, we will transfer 100% of your entry fee if you reach out to us up to TWO WEEKS prior to the event.  You will be able to transfer 50% of your entry fee from TWO WEEKS up to 96hrs of the event.  You must utilize the tranfer fee within 12 months to another STR Event.

If the race is cancelled due to Mother Nature- your entry fee will be rolled over to the following year.

  Please email shastatrailruns@gmail.com 


October 19
Event Categories:
, ,


Sac River Trail
Shasta Dam
Shasta County, CA 96019 United States

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from our team.

You have Successfully Subscribed!