We’re proud to recognize Mount to Coast for their generous support of the AC100, including the donation of their high-performance T1 running shoes to the top three male and female finishers, as well as the final finisher (DFL) who embodies true grit. In 2026, they’ll expand their support by providing a branded running visor to all entrants.
Mountain Hardware is a hardware store in Wrightwood. They have trail running shoes and complete outdoor recreational supplies. They also have a complete collection of AC100 Awards that are on display at their store. They provide the Wrightwood Community Center building during race weekend for the race.
SNB (Squirrel Nut Butter) is a all natural anti chaff salve. They provide samples for all runners in the race.
UltraRunning Magazine is the premier magazine that covers the ultrarunning sport. They provide samples of their magazine for all runners in the race.
Mountain High is a ski resort in Wrightwood. The help move the Drop Bags from Wrightwood to the distribution center in Los Angeles.
Vision For Enrichment (VFE) is a team of Certified Massage Practitioners providing sport-specific manual therapy. VFE provides runners with “massage therapy” at the start in Wrightwood and at the finish in Altadena.
Each station is brought to life by local runners, clubs, and stores who show up with their people, their food, and their flavor.
AC100 covers the cost — they bring the soul.
Led by Jose Llanos, the Zombie Feet Crew brings their trademark energy, weirdness, and heart to the Newcomb Saddle Aid Station. From sunrise pancakes to late-night ramen and Shelly’s famous vegan soup, they keep runners fueled, smiling, and moving forward through one of the race’s toughest stretches.
In 2025, they went even further — crafting four handmade, chemically etched frosted glass tumblers featuring the AC100 course profile, gifted to the race winners. It’s this kind of passion and creativity that makes the AC community truly one-of-a-kind.
Led by Joe Nakamura with the Run Republic crew, Chilao is one of the most critical mid-course checkpoints on the AC100. Known for its good vibes and comfort food — from quesadillas and hot dogs to peanut butter & honey tortillas, washed down with soda or pickle juice — it’s the stop where runners look forward to resetting, refueling, and finding the grit to push through the long night.
Since opening in 2000, Run With Us has been Pasadena’s premier running specialty store, serving runners and walkers with expert shoe fitting, gait analysis, and a knowledgeable staff of experienced athletes. Consistently voted Best Running Store in Southern California and Best of Pasadena for 13 straight years, Run With Us proudly supports the AC100 as the official sponsor of the Millard Aid Station.
Led by Victor Martinez and sponsored by 361°, this station embodies the brand’s spirit of going “One Degree Beyond.” Known for their innovative footwear and commitment to the running community, 361° brings both energy and support to AC100. At Inspiration Point, Victor and his crew keep runners moving strong at one of the course’s most iconic vistas.
The Foothill Flyers, based in Arcadia, are the oldest running club in the San Gabriel Valley — 45 years strong, with members ranging from first-time runners to medalists in their 80s. Under the leadership of Mark Ryne, they return in 2026 to the Cloudburst Aid Station — a critical stop after the brutal Kenyon Devore climb. True to their legacy, the Flyers aren’t flashy; they’re enduring. year after year, they’ve been the dependable presence runners can count on when the course demands everything.
The Arrogant Bastard Trail Running Club led by Monte Lewis, based in the San Gabriel Valley. The Bastards are wives and husbands, singles and couples, young and old, human and canine — but always one tribe. They love to run trails, climb mountains, and celebrate together (usually with good beer). Known for their grit, humor, and community spirit, the Bastards keep Mt. Wilson fueled with both toughness and fun.
Led by Angela Holder and the Long Beach–based AREC running club, Islip Saddle is a beacon of energy in the high country. Known for their positivity and encouragement, Angela and her crew lift spirits at a critical point in the race.
Runners call Islip Saddle “the best stop,” praising the team’s energy, support, and thoughtful touches that keep everyone cool, fueled, and moving forward.
The Caltech Alpine Club, led by Marshall Yale, brings youthful energy straight from Caltech. The club, dedicated to all things mountain and outdoors, fuels runners with enthusiasm and spirit as they push deeper into the course.
Led by Adam Copeland, owner of TANTRUMS, a Pasadena-based gear brand launched in 2024. Specializing in high-performance hydration packs and trail equipment, TANTRUMS reflects the mental and physical grit of endurance athletes. At the AC100 finish line, Adam and his crew channel that same toughness and passion — welcoming runners home with the energy and respect only fellow trail athletes can give.
Led by Yen Darcy, the Southern California Ultrarunning Grand Prix connects and coordinates ultra events across the region. At AC100, they extend that mission by supporting both the Start and the Finish Line — helping launch runners into the mountains at dawn and welcoming them back after 100 hard miles. Their presence ties AC100 into the wider SoCal ultra community.
