
From the Organizer
Welcome to the Green Season on the Olympic Peninsula of Washington State
Towering evergreens. Endless moss and ferns. Miles of waterfront. Snowcapped mountains. Need a cure for gray-season blues? Frosty Moss has you covered.
Pavement + Trail Runners Unite
From the Sol Duc River to Sequim Bay, the 80-mile Frosty Moss course follows the paved Olympic Discovery Trail and the singletrack Adventure Route. The 30-mile Mini Moss course begins at Ediz Hook in Port Angeles and end at Sequim Bay.
Celebrate After the Race
As if your day wasn’t epic enough, 7 Cedars Resort is ready to help you celebrate. They will host hot food, cold drinks, awards and fun after the race.
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Windermere Marathon
Medal Madness 5K, 10K, & 13.1M at Spokane, WA (26)
July 4th Run 5K/10K/13.1 SEATTLE
17th Lake Union 10K Run/Walk
Frequently Asked Questions (FAQs)
Frosty Moss Relay
Mar 13, 2027