meet the (dream) team

tim tollefson

race founder

Tim is the mastermind behind the wildly successful mammoth trailfest., which after 3 years is already one of the most popular trail running events in north america. While Tim comes from a professional athlete background, his passion is for creating community and finding ways to support runners as they tackle big goals.

hilary yang

race director

Hilary is no stranger to the world of 200 mile races through her background in race media, and as a former brand creative director. She’s also the co-founder of the Women’s Trail Running Fund, and is passionate about bringing more women into ultrarunning. She has fallen in love with the Eastern Sierra and is so excited to help bring this race to life.

all of the main photos shown on the website are by the talented Sarah Attar.