The Sierra Trail Half Marathon & 5K

• 5K:- Run 3.1 Miles
• Half Marathon:- Run 13.1 Miles

The Sierra Trail Half Marathon and 5K will be run on fantastic, scenic, single track trails that travel along the shoreline of Folsom Lake and through the forested foothills of south PlacerCounty.

Included with your  entry fee: Custom Sierra Trail Half Marathon/5K tech-tee race shirt, athlete goody bag with products and coupons, post race hot pasta meal, on-course and post race aid and support from CLIF Bar, FLUID, and RedBull, awards three-deep in each age-group and division and a chance to win raffle prizes. 

All Sierra Trail Half Marathon Finishers will receive a custom Finisher Medal.

The Sierra Trail Half Marathon starts along the shore of Folsom Lake and after a short section on pavement begins climbing the small hills of the shoreline for an out and back course that veers once to a scenic point along the lake and returns up some short but steep hills, with aid stations spread evenly along the course. There is a climb up Mooney Ridge on the way back to the finish line.

Aid stations will be located on the course at miles 1, 2.5, 3.5, 5, 6, 7, 8, 9, 10, 11 and 12 each serving cold water, Electrolyte beverage, and CLIF Shot energy gels and Bloks.

First place Overall Male and Female in the Sierra Trail Half Marathon will receive Overall Champion Awards. There will be awards three deep in each ten-year age group for the Sierra Trail Half Marathon.

For the 5K Run/Walk there will be a first place overall award for the top male and female individual, and awards will be given to the top three athletes in each ten-year age group for male and female runners.

The Sierra Nevada Trail Challenge competition combines your finish time from the Sierra Trail Half Marathon on Saturday October 17th with your finish time as a Solo Rider from the TBF MTB 50 Miler mountain bike race on Sunday October 18th. The top male and female athletes with the fastest time from both days will win a Free Cruiser Bicycle worth over $500. All athletes racing both days will be automatically entered into the Sierra Nevada Trail Challenge.

Find out about our RACE for FREE Athlete Volunteer program by emailing Volunteer Director Teri at [email protected].

Race fees increase on race day.

Event details and schedule

Schedule of Events:

Saturday October 15th

7:00 Registration/Packet Pick up

7:30 Race announcements begin

8:00 Start of the Sierra Trail Half Marathon

8:15 Start of the 5K

10:00 Start of Awards for 5K

11:00 Start of Awards for Half Marathon