Sunset & Cider Trail Races

Auburn, United States • 10 Oct 2026

Sunset & Cider Trail Races

The event takes place in Auburn, CA, along the American River Canyon and features multiple trail distances on mostly single track with short neighborhood road sections. Courses are described as runnable and include notable total climbing for each distance.

Available distances

  • 50K: two out-and-back segments, 3760 ft total climbing, mostly single track.
  • Half Marathon (13.1M): two out-and-back loops, 1890 ft total climbing, mostly single track.
  • 5 Miler: one out-and-back loop, 704 ft total climbing, follows first 5 miles of the half course.

Aid and support vary by distance. The 50K has aid stations at miles 3.8, 10.5, 17.0, 20.9, and 25.6 offering water, sports drink, light snacks, and fruit. The half marathon has aid at miles 3.8, 4.8, and 8.7 with similar supplies. The 5 Miler has no aid stations and welcomes walkers. The longer distances have an event time limit due to available light.

Post-race provisions and awards are provided. All participants receive a commemorative 16 oz cider glass; participants aged 21 and over receive a complimentary cider pour. The first 200 registered runners receive a BOCO trail running hat. Age-group awards are offered for 20-29, 30-39, 40-49, 50-59, and 60 plus.

The Unity Initiative partners with local nonprofits, matches donations up to $40 or 25 percent of registration, and issues future race discounts upon receipt of proof of donation. Donations must be made in 2025 and prior to the event date(s). Visit the organization's website for the most recent information.

Race information

50 km
50k
13 mi
Half Marathon
13 mi
13 Miler
5 mi
5 Miler
Visit the organization's website for the most recent information.
Trail runs nearby

Experience one of the largest 50 mile endurance runs in the United States. Choose between 10, 25, or 50 mile distances through scenic Northern California finishing with celebratory festivities in Auburn.

A women focused 10K in Auburn on April 11, 2026 featuring scenic trail loops, finisher shirts, age group awards and a raffle with four winners earning a trip to a women only running camp in Spain.

Explore the rolling hills of Cronan Ranch at the Magnolia Magic River Trail Run. This event offers a range of distances on dirt and rock trails, from a 5K to a 50K ultra. All participants receive a medal and access to aid stations along the..

On April 18, 2026 Outlands offers 25K, 50K and 50 mile trail courses near Pilot Hill, CA along Folsom Lake with runnable singletrack, steady climbs and stocked aid stations.