Where can I find the Skunk Hollow Sneaker Chase & Backyard Ultra route map?
Use the official course links on this page for the organiser route page, map PDF or route download.
Official course linksSkunk Hollow Sneaker Chase & Backyard Ultra Ultramarathon
This race edition
- Race date
- Date not confirmed for this distance
- Race timezone
- Timezone not confirmed
- Edition status
- Status not confirmed
Entry options
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Decision summary
Skunk Hollow Sneaker Chase & Backyard Ultra Ultramarathon at a glance
- Cut-off average pace
- 1:12/km
- Typical conditions
- 31/100
- Evidence depth
- 34 verified facts
1:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Source facts available
Route details
Known course facts at a glance
Skunk Hollow Sneaker Chase & Backyard Ultra Ultramarathon has known course details for its ultramarathon race. The summary below keeps the focus on what is confirmed for the course.
- Official distance
- 50 km
- Terrain
- Trail, Gravel
- Scenery
- Mountain, Forest, Parkland, Countryside, Lakeside
Quick answers
What runners ask first
How hilly is the Skunk Hollow Sneaker Chase & Backyard Ultra?
The Skunk Hollow Sneaker Chase & Backyard Ultra is described as hilly. The course listing puts the climb at 130 m.
Where does the Skunk Hollow Sneaker Chase & Backyard Ultra route go?
The Skunk Hollow Sneaker Chase & Backyard Ultra route starts at Casper Mountain Trails Center, 9301 Casper Mountain Road, Casper, Wyoming and finishes at Casper Mountain Trails Center, 9301 Casper Mountain Road, Casper, Wyoming. Underfoot, expect 100% unpaved forested cross-country ski and single-track trails on Casper Mountain. It passes Casper Mountain, Casper Mountain Trails Center and Natrona County Parks Multi-Use Trail System. Offers a choice of an 8ish-mile option (two 4.17-mile laps) or the Backyard Ultra (the same 4.17-mile lap run every hour on the hour until one runner is left standing).
Race character
Scenery
- Mountain
- Forest
- Parkland
- Countryside
- Lakeside
Atmosphere
- Community
- Wilderness
Terrain
- Trail
- Gravel
- Elevation character
- Hilly
- Technicality
- Moderate
- Source-stated ascent
- 130 m
- Net elevation
- 0 m
Entry, logistics and records
Records and field
- Field size
- Only the first 75 combined participants across both events receive a registration souvenir; no race-day registration available.
Entry requirements
- Entry status
- Past event: The listed edition date has passed.
- Cut-off
- Each Backyard Ultra lap, including the final lap, must be completed within one hour to be counted.
- Qualification status
- No qualifying requirement; entry is open registration with a Last Runner Standing format.
Race day logistics
- Medal
- First 75 combined registrants receive a race registration souvenir; no refunds or rollovers.
Access and course status
- Start
- Casper Mountain Trails Center, 9301 Casper Mountain Road, Casper, Wyoming.
- Finish
- Casper Mountain Trails Center, 9301 Casper Mountain Road, Casper, Wyoming.
Course facts
- Course type
- Laps
- Surface
- 100% unpaved forested cross Country ski and single Track trails on Casper Mountain.
- Landmarks
- Casper Mountain, Casper Mountain Trails Center, Natrona County Parks Multi-Use Trail System
- Notable features
- Billed as Wyoming's first and only true Backyard Ultra, the Last Runner Standing format made famous by Gary 'Lazarus Lake' Cantrell
- Offers a choice of an 8ish-mile option (two 4.17-mile laps) or the Backyard Ultra (the same 4.17-mile lap run every hour on the hour until one runner is left standing)
- The 8-mile course alternates direction by year (clockwise in even years, counter-clockwise in odd years), while a coin toss determines the direction of each Backyard Ultra lap
- Each loop measures approximately 4.12-4.20 miles on the Natrona County Parks Multi-Use Trail System
What are typical race-day conditions?
- 25°CTypical temperature
- 26 kphTypical wind
- 0 mmTypical rainfall
- 31Favourability /100