mammoth 50K

run across California’s HIGHEST ski resort!

32 miles / 7,000ft+ / $8,000 purse

saturday - Sep 21st - 7:30am / mammoth lakes, CA

Inspiring singletrack

the course was designed to showcase the area’s beauty, challenge the body, and maximize experience. whether you hike, jog, or shred, be sure to appreciate the paradise that surrounds you as you meander through dense forest, around the Lakes Basin, and past umpteen alpine lakes

an 11,053ft heartbreak hill

participants will summit Mammoth Mountain via the world-famous

Dragon’s Back Trail 16 miles into the race

village welcome party

return to a plaza full of music, family, food, and evening celebration

32 mile single loop course!

village start

singletrack shred

village finish

  • unique single loop course with no out-and-backs or reused trail

    mix of yellow/green flagging, ribbons, and signage

    nearly 7,000 feet of vertical gain. average elevation over 9,100ft; Low 8,050ft, high 11,053ft

    mix of buttery singletrack, rocky technical trails, soft pumice, and bike path

    7 spectacular alpine lakes along the course

    designed to showcase the beauty of Mammoth in a challenging but sensible course; speed and flow prioritized over contrived difficulty or vertical gain

  • 6 aid stations - fully stocked with typical sweet and salty snacks, fruit, water, summit pancakes, and GU Energy products to keep you energized

    12 hour generous cutoff to promote participation from all abilities - 93.6% finish rate 2022! See table below for specifics

    GU PRODUCTS - subject to change

    GU Roctane Energy Drink: Summit Tea or Grape

    GU Roctane Gels: Sea salt chocolate, Cherry Lime, Lemonade

    GU Chews: Blueberry Pomegranate

    GU Stroopwafels: Salty’s Carmel

    GU Electrolyte Capsules

  • top 5 female/male awarded cash prize as follows:

    F1/M1: $1,400

    F2/M2: $1,000

    F3/M3: $700

    F4/M4: $600

    F5/M5: $300

    top 3 female/male runners in each 10 year age group awarded unique gift

    age groups: 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+

    overall awards will be given Saturday 9/21 7:30pm on Village Plaza stage

    all runners are subject to random drug testing and specifics on race day testing can be found on our Golden Trail Series page

Click maps to download GPX file