Frosty Moss 50k Course Overview

Everything you could want to know is in this Frosty Moss 50k Guide (PDF)

New for 2022 – Frosty Moss 50K (Mini Moss SOLO)

Paved legs follow the Olympic Discovery Trail, a multiuse path for runners, cyclists, walkers, and horseback riders. Relatively flat and fast, though you will encounter some rolling hills. Most of the ODT is separate from traffic, but it does share the shoulder with traffic in a few places. We’ve noted traffic situations in the descriptions below.

50K Runners will need to be dropped off and picked up at the Start/Finish – we do not have a shuttle of any kind.

50k start time: 2:00pm

* Many exchange zones have water, and a few will have snacks, but we cannot guarantee what will be where – so 50K runners will need to be self-sufficient for their hydration and food (a support person would be great! or make friends with a team of similar pace and look hungry – they may adopt you and share their vehicle stash!”

How hard is this thing? We’ve omitted difficulty ratings because (a) what’s easy for you might be agony for another, and course is pretty darn runner-friendly. Challenges arise with the leg distances, hilly trail legs, and the potential for all sorts of weather in the many microclimates along the way. 

Special Notes: Check out the course guide and assign legs accordingly. (And bring big Ziplocs for your stinky running gear.)

ROADS ARE OPEN: Traffic rules apply. Runners must use caution at all crossings, along shared roadways, and exchange points.

Bookmark the Frosty Moss 50k routes on MapMyRun.

Distances are rounded to the nearest tenth or quarter mile. Click images and maps to enlarge.

Leg 1: West Port Angeles
4 miles
Elevation Gain: 116 feet
Surface: Paved ODT, neighborhood streets, sidewalk.
Highlights: Follow the paved path from the end of Ediz Hook, a 3-mile long sand spit into downtown Port Angeles. Big view of the Olympic Mountains and inner Port Angeles harbor lead you to the relay exchange at Hollywood Beach.
Traffic Alert: Mix of shoulder, sidewalk, and ODT. Watch for course markings.
View Leg 1 at MapMyRun

Leg 2: Port Angeles Waterfront
Distance: 5 miles
Elevation Gain: 460 feet
Surface: Paved ODT.
Highlights: Pure Strait of Juan de Fuca goodness. Watch for river otters! Save some energy for the climb at the end!
Traffic Alert: Watch for traffic at the street crossing after the Morse Creek trestle.
View Leg 2 at MapMyRun

Leg 3: Deer Park to Old Olympic
4.3 miles
Elevation Gain: 185 feet
Surface: Paved ODT
Highlights: In a little bit you will get back away from the highway, and you do so via a big down and up at a covered bridge over Bagley Creek. But after that it’s lovely rolling hills through the trees all the way to Old Olympic Hwy at Siebert Creek.
View Leg 3 at MapMyRun

Leg 4: Robin Hill Country Park
Distance: 3.7 miles
Elevation Gain: 147 feet
Surface: Paved ODT.
Highlights: Make up for lost time entering the flatlands of Sequim. Forest gives way to working farmland. Say hello to the cows. It’s usually warmer and drier out this way, too. Welcome to the rainshadow.
View Leg 4 at MapMyRun

Leg 5: Dungeness River Railroad Bridge 6:30pm CUTOFF
Distance: 3.8 miles
Elevation Gain: 131 feet
Surface: Paved ODT.
Highlights:  In February 2015, a high-water event washed away the Dungeness River trestle. Thanks to the Jamestown S’Klallam Tribe, volunteers with the Peninsula Trails Coalition, and many others, the rebuilt trestle at the end of Leg 12 was ready for action just a year later. Check out the beautiful S’Klallam artwork embedded on the walkway
Cutoff Alert: Teams finishing this leg after 6:30pm MUST skip a leg and continue on (but will receive a DNF, no finish time), OR you can opt to go directly to the finish line party.
View Leg 5 at MapMyRun

Leg 6: City of Sequim
Distance: 3.25 miles
Elevation Gain: 10 feet
Surface: Paved ODT, city sidewalks.
Highlights: A quick jaunt through Sequim (pronounced “Squim”), home to the annual Lavender Festival, Olympic Birdfest, and a retiree mecca, thanks to its location in the rainshadow and its walk/bike-friendly streets.
Traffic Alert: Lots of street crossings. Watch for course markings.
View Leg 6 at MapMyRun

Leg 7: Sequim East. Almost There!
Distance: 3.9 miles
Elevation Gain: 176 feet
Surface: Paved ODT, city sidewalks.
Highlights: Begin in Carrie Blake Park. If you’re lucky (and if it’s still light out), the local elk herd will make an appearance along this stretch. Terrain gets a little rolly and the tall trees reappear as you head toward Blyn.
Traffic Alert: End of this leg/beginning of next is at a road crossing.
View Leg 7 at MapMyRun

Leg 8: Finish Line in Blyn!
Distance: 3.25 miles
Elevation Gain: 123 feet
Surface: Paved ODT.
Highlights: Last leg! Recap the day with tall evergreens, another restored railroad trestle, a dash through Sequim Bay State Park, open prairie, a lovely net downhill grade, and the finish line after-party in Blyn at the Jamestown S’Klallam Tribe facilities! Way to go, Frosty Mossers! You did it!
View Leg 8 at MapMyRun