Viper 300 takes place on Mar 9, 2026. That's in 1 week.

Where is Viper 300 located?

Viper 300 is held in Memphis, Tennessee, United States.

What distances are available at Viper 300?

Viper 300 offers the following distances: 300M, 200M, 100M, 53K.

How do I register for Viper 300?

You can register for Viper 300 through the official registration page.

What is the typical weather for Viper 300?

Based on historical data, you can expect temperatures between 43°F and 62°F on race day. There's approximately a 19% chance of precipitation.

Viper 300 (53K-300M) - Mar 9, 2026 | Memphis, TN

Embark on the ultimate endurance challenge at the Viper 300, a captivating race set to unfold on March 9, 2026, within the picturesque expanse of Shelby Farms Park in Memphis, Tennessee. Hosted by Mamba Trail Runners, this event offers a spectrum of distances including a grueling 300-mile, 200-mile, and 100-mile race, alongside a challenging 53K and an additional 25K option. Runners will navigate a 33.4-mile loop through one of the nation's largest urban parks, experiencing a dynamic course that features a compelling blend of paved paths and thrilling single-track trails, with approximately 70% dirt and 30% paved surfaces. While generally runnable, the course presents rolling terrain with approximately 2500 feet of elevation gain per 50 miles, and segments that include rocks, roots, and ruts to test your mettle.

As you push your limits, be prepared for breathtaking scenery that includes serene lakes and lush wooded landscapes, all while keeping an eye out for the unique local wildlife, including deer and even mighty buffalo sharing the trails. Typical race day conditions in early March offer pleasant running weather, with historical highs around 62°F and lows around 43°F, and a relatively low 19% chance of precipitation. Support for this "venomous challenge" is robust, featuring two fully manned aid stations at Hyde Lake Pavilion (the start/finish line) and Tour de Wolf Pavilion, stocked with standard ultra-race provisions, water, soda, and electrolyte drinks. These manned stations also provide covered sleeping areas and accommodate drop bags, ensuring runners have access to essential resources throughout their journey.

The Viper 300 is more than just a race; it's an opportunity to redefine your boundaries. Pacers are permitted for the 300, 200, and 100-mile distances, offering crucial companionship through the longer hauls, though they are strictly prohibited from muling. With free parking available at Shelby Farms Park, the race is designed to be accessible for both participants and their support crews, who can access runners at the main aid stations. Whether you're aiming for a new personal record or seeking to conquer one of the most demanding ultra-distances, the Viper 300 promises an unforgettable adventure that will leave you with an unparalleled sense of accomplishment.