2026 Updates!
All of our parking, start/finish, and post-race festivities will be taking place at the Casper Mountain Trails Center (9301 Casper Mountain Rd, Casper, WY 82601).
Choose from the 8ish mile (2 lap) option or the Backyard Ultra (Last runner standing) option.
The Backyard Ultra is officially listed on the bigsbackyardultra database! Click this link: Skunk Hollow Sneaker Chase & Backyard Ultra | Big's Backyard Ultra
**ALTERNATING COURSE**
For the 8 mile (2 - 4.17 mile lap) option
EVEN numbered year = CLOCKWISE DIRECTION
ODD numbered year = COUNTER CLOCKWISE DIRECTION
For the Backyard Ultra option (4.17 mile lap)
A coin toss will determine each respective laps direction...
Choose from the 8ish mile (2 lap) option or the Backyard Ultra (Last runner standing) option.
The Backyard Ultra is officially listed on the bigsbackyardultra database! Click this link: Skunk Hollow Sneaker Chase & Backyard Ultra | Big's Backyard Ultra
**ALTERNATING COURSE**
For the 8 mile (2 - 4.17 mile lap) option
EVEN numbered year = CLOCKWISE DIRECTION
ODD numbered year = COUNTER CLOCKWISE DIRECTION
For the Backyard Ultra option (4.17 mile lap)
A coin toss will determine each respective laps direction...
Registration
Click on the "Register" button above to register. Only the first 75 total registrants for both events will receive race souvenirs with registration!
**The race souvenir will not be available after the first 75 participants, no exceptions. **
Registration Fees:
8 Mile - $50**
Backyard Ultra - $60**
**Prices increase on June 18 and again for day before registrations (cash or check only).
*Due to the upfront costs and fees associated with the race, there will be NO Refunds or Rollovers given for registration.
*No Race Day Registration!!
**The race souvenir will not be available after the first 75 participants, no exceptions. **
Registration Fees:
8 Mile - $50**
Backyard Ultra - $60**
**Prices increase on June 18 and again for day before registrations (cash or check only).
*Due to the upfront costs and fees associated with the race, there will be NO Refunds or Rollovers given for registration.
*No Race Day Registration!!
