Mountain Bike Race Schedule

   Saturday, May 3:
   ¤ Annual Barking Spider Bash
National qualifying XC race!!

   Saturday and Sunday, June 21-22:
   ¤ Boise 2 Id. City Dirt Tour
CX or MTB, either way a classic route.

   Sat & Sun, June 21-22 :
   ¤ Jug Mountain Ranch XC & State Champs Enduro

   Sunday June 22nd:
   ¤ Jug Mtn Ranch
   Jug Ranch State Championship Enduro

   Sunday, August 3:
   ¤ Tamarack Resort Super ENDURO RIDE

   Sunday, August 24th:
   ¤ XTERRA Wild Ride Triathlon

   TBD: Saturday, Aug 30th:
   ¤ Grand Targhee Championship
   Regional Super D

Register ONLINE See the registration on Webscorer
Webscorer - race registration,
race timing, race results

   Race Photos

   Racing Archives


Big Nasty Adventure Mud Run and XC race[Saturday & Sunday, May 18-19] POSTPONED TIL 2014
Time: Saturday, 11:00 am mud run, (3miles), Sunday, 11am mountain bike XC, (6 mile loop) Cost: $20-30 (includes event food and beverages, plus a T-shirt!)
Course: Tom Pence Ranch, on Big Willow Road.
Big Nasty Adventure Mud Run (Saturday) - 5K, (Sunday) Brand new MTB XC race course, (6-mile loop), located near New Plymouth about an hour from Boise. Held at the beautiful, 1,000 acre Pence Ranch, the 3-mile mud run follows the river through woods and grasslands, crossing Big Willow Creek several times before heading to the top of the Big Nasty Hillclimb and then descending down a tight trail in a downhill canyon. Sunday’s 6-mile mountain bike loop uses some of the same bottom section as the mud run, then heads up into the hills for lots of rolling climbs and descents. It will be a very, very unique enjoyable course for riders of all abilities, with no huge climbs or descents.

Online registration click here:

A map of the course is available on our photos page.Click Here.

To view the driving direction map click here

ONLINE closes May 17th
Pro = $36
CAT-1-2-3 = $30
Under 18 and Trail blazer = $25 Runners = $30


Coming from Boise head W on I-84, located at Tom Pence Ranch, on Big Willow Road, (taking I-84 exit 13, follow signs, located 4 miles from New Plymouth, 45 miles from Boise, 11 miles from Ontario).

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