Tuff Ventures is a dynamic event production company specializing in gravel cycling experiences celebrating adventure, endurance, and community. Founded by professional cyclists Amanda Nauman and Dave Sheek, Tuff Ventures was born out of a passion for gravel riding and creating events that showcase the beauty and challenge of rugged terrain. Their events emphasize inclusivity and camaraderie, fostering a welcoming atmosphere for cyclists of all abilities.

Signature Events — Tuff Ventures is best known for its flagship event, Mammoth Tuff Gravel, which is held annually in Mammoth Lakes, California. This premier gravel cycling event features multiple course options, including 40, 70, and 90-mile routes that traverse the breathtaking Eastern Sierra region. With its UCI Gravel World Series affiliation, Mammoth Tuff attracts top talent and offers riders the chance to qualify for the UCI Gravel World Championships. The event’s challenging courses, high-altitude scenery, and vibrant community atmosphere make it a standout in the gravel cycling world.

In addition to Mammoth Tuff, Tuff Ventures produces various other gravel cycling events and experiences, each designed to highlight unique landscapes and provide memorable adventures. While Mammoth Tuff remains their signature offering, the company is expanding its portfolio to include additional gravel challenges in other remarkable locations.

Mission and Philosophy — At its core, Tuff Ventures aims to inspire cyclists to push their limits while exploring some of the world’s most stunning and remote regions. The company prioritizes sustainability, local community engagement, and creating unforgettable experiences that bring people together through their shared love of gravel cycling.