Many thanks to our 2019 sponsors for supporting our event and local causes!
Find MUIR products here: Mammoth Mountaineering | Sage to Summit | Looney Bean- Bishop | Elevation Sierra Adventure | Footloose Sports
Muir Energy is the official nutrition sponsor of Mammoth Half Marathon! Our products are ORGANIC, nutritionally dense, and delicious; 4-6 clean ingredients means no GI distress! Every flavor is rich in vitamins, minerals, healthy fats, and protein. We hand-make all of our products in San Diego and are very excited to be fueling you on race day!Download the Muir Energy Nutrition Guide
Use code MHM20 for 20% off your online order of $10 or more!