Viper 300
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Event Overview
The Viper 100 is an endurance race held at Shelby Farms Park in Memphis, Tennessee. The venue is one of the largest urban parks in the United States and features a landscape of lakes, forests, and natural open spaces. The course utilizes a 33.4-mile loop that transitions between smooth paved greenways and winding dirt trails. Participants may encounter local wildlife during the event, including deer and buffalo.
The event offers several distances to accommodate different goals:
- 100 Miler
- 107K (66.8 miles)
- 53K
- 25K
Course Details and Support
The course is designed to be fast and runnable. The 25K specific route includes approximately 9.5 miles of paved trails and 6 miles of dirt trails. For the longer distances, a central hub is located at the Hyde Lake Pavilion, which serves as the start and finish line.
There are four fully stocked aid stations per full loop:
- Bridge Aid Station: Located at miles 7.4 and 14.4.
- Refuge Aid Station: Located at mile 10.8 with crew access.
- Tour de Wolf (TDW) Aid Station: Located at miles 20.8 and 27.0 with crew access and drop bag availability.
- Hyde Lake Pavilion: The main headquarters providing hot food, crew access, drop bags, and a sleep station with cots for long-distance participants.
Regulations and Logistics
Live tracking is provided for participants in the 100-mile and 107K categories. Pacers are permitted only for these two distances after the first 33.4-mile loop is completed. Muling, or having a pacer carry gear for a runner, is prohibited. Trekking poles and headphones are allowed on the course.
Parking is located near the Tour De Wolf Pavilion, allowing participants to pass their vehicles twice during each full loop. All participants must complete the distance they registered for, as dropping down to a shorter distance during the race is not permitted for a finish credit. Visit the organization's website for the most recent information.
