Mammoth Bar Enduro – World Class Enduro Racing in Auburn

Sunday, May 4, 2025 | Mammoth Bar OHV – Auburn, California

This course will use trails in the Auburn SRA and Mammoth Bar OHV. Racers will enjoy a variety of single track, flow course, steep, rocky & technical ranging from Blue to Double Black Diamond. Transfers will include a combination fire road and singletrack.

The Mammoth Bar Enduro is not sanctioned by UCI/USA Cycling. Competitors will not require a UCI or USA Cycling license to compete; nor will be they be covered by their UCI or USA Cycling insurance (if applicable) during training and competition.

Key dates

  • Packet pick-up: Saturday May 3, 2025 from 2:00-5:00 pm at 835 Lincoln Way Auburn, CA 85603
  • Practice: Saturday, May 3, 2025 from 8:00-1:00 pm
  • Race day: Sunday, May 4, 2025, 8:00 am

Distances

  • 12 miles total distance
  • Four stages - 5 miles with 3,350 feet elevation descent
  • Transfers -7 miles with 2,400 feet elevation gain

Stages include:

Auburn SRA

  • Culvert Trail – a flow trail with banks, berms, jumps, drop offs and a tunnel under Foresthill Road.

Mammoth Bar OHV

  • Eastside Trail – Eastside has been brushed and graded for a fast Black Diamond technical thrill ride.
  • Stonewall/Rocky – The steeps of Stonewall will lead into the Double Black Diamond Rocky Trail with a crowd favorite finish at the venue
  • Grizzly – Steep, narrow and technical. Speed control is a must. The faster you go the more technical it becomes. The switchbacks are tricky. The finish is rutted and chunky.

Difficulty

Endurance Difficulty
Racers can expect long transfer climbs.
Technical Difficulty
Racers can expect single track, flow trail, steep, loose, rocky, challenging, technical terrain – consisting of Blue, Black and Double-Black terrain.

Categories

Pro Categories

  • Pro Men
  • Pro Women
Expert Categories

  • Expert Boys U18
  • Expert Men 18-29
  • Expert Men 30-39
  • Expert Men 40-49
  • Expert Men 50+
  • Expert Women
Sport categories

  • Sport Boys 12-15
  • Sport Boys 16-17
  • Sport Men 18-29
  • Sport Men 30-39
  • Sport Men 40-49
  • Sport Men 50+
  • Sport Women
eBike categories

  • eBike Men
  • eBike Women

Your race age is your age on race day.

*The courses in the race are intermediate & advanced level trails.  The Beginner category is for experienced mountain bikers that are very comfortable on advanced terrain –possibly at a slower pace, or possibly doing their first race.

Entry fees

  
Mammoth Bar Enduro-Individual$110
Mammoth Bar Enduro-under 18 years$100

Included

  • World Class course in the Auburn SRA and Mammoth Bar OHV
  • Post-Race Party
  • Full BBQ lunch: burgers, chicken, dogs, black bean burgers, salad etc.
  • Beer Garden: A pint of local craft beer
  • Awards Ceremony: Top 5 finishers in each division will receive custom award plaques with a podium presentation.
  • Special hotel rates with Placer Valley Tourism for Friday/Saturday nights

Refund and transfer policy

TBF Racing has a no refund policy on all of our events. A refund requested prior to race week will be given a TBF Race credit for the amount of the entry fee minus a $25 processing fee. Credits are not given during race week. Transfers are allowed from one TBF Racing event to another within a one-year time frame. There is a $25 transfer fee. Transfers are not allowed during race week. ALL TBF Racing events are held rain or shine.

Awards

Top 3 finishers in each division (must be in attendance to receive plaque or medal). Awards ceremony will take place immediately after the race.

For more information about the area and links to accommodations, click here.

Parking is $10 per vehicle. Pre-paid parking passes will be available at the Velo Victory during packet pick-up.

Shuttles

During the official course inspection, the transport of riders between Special Stages by private/team transport (shuttling) is strictly limited to paved roads. A rider found using a private or team vehicle on a closed/private/dirt road or track will be disqualified. During the race, no private/team transport can be used at any time.