Saturday, Mar 2, 2024

North Marin Ridge Run

8889 Sir Francis Drake Blvd

Lagunitas, CA 50K, 20Mi, 25K, 10K

This Event Took Place Sat. Mar 2, 2024

Supporting Ridge Trail Organisation

Ridge Trail Logo
We are organising this event primarily to share these wonderful Trails in Bay Area Ridge Trail system and to raise awareness and funds for Ridge Trail Organisation which has mission "To plan, promote and sustain a connected hiking, cycling, and equestrian trail on the ridgelines around San Francisco Bay—linking people, parks and open space for today and future generations."

100% of your entry fees goes towards Ridge Trail Organisation.

10K Course

It's a 3miles out and back from start at Samuel P Taylor park. about 1000ft gain overall.

20M Out and Back

Starting from Samuel P Taylor park to White Hille and back. Total vert of 4500ft.
Cutoff: Complete 20mi by 3:30PM at Finish, Total 7 Hours
20Mi GPX here
20Mi Turn by Turn directions here
20Mile Run Profile

20 Mile Elevation Profile


25K Point to Point Course

25K starts from Lucas valley near big rock and ends at Samuel P Taylor park. Runners get a ride to 25K start from Samuel p Taylor park to start.
Total Elevation gain is 3500ft and loss 3200ft.
Cutoff: Complete 25K by 3PM at Finish, Total 7 Hours
25K Run Profile

25K Elevation Profile


25K GPX here
25K Turn by Turn Directions(Follow page 2) here

50K Out and Back Course

50K runners start from Samuel P Taylor park, runs into white hill OSP and eventually ends at Lucas Valley OSP near big rock and returns same way back.
25Km has following 2 sections
a) Samuel P Taylor Park to White Hill OSP
This segment starts in the valley on the old railroad trail then climbs to San Geronimo Ridge. The ridge fire road is long and undulating, with rewarding 360-degree views of the North Bay, and deep canyons and wooded ridges crowned by Mount Tamalpais. The route feels remote and has a dramatic view down to scenic Kent Lake. After reaching its highest elevations in a unique Sargent cypress forest, the trail descends through White Hill Open Space Preserve, offering more beautiful views.

b) White Hill to Lucas Valley OSP :
Loma Alta is a Marin County landmark and one of the county’s highest peaks. It divides the county’s four major watersheds: Miller, Corte Madera, Lagunitas, and Nicasio Creeks. This Ridge Trail section climbs and descends open grasslands with spectacular 360-degree views at the summit. It’s a steep, rocky, and exposed old ranch road, best traveled on cool mornings in summer or bright sunny days in winter.

Cutoffs: 4Hours 15mins at 25K Turnaround mark, 6:30hrs at mile 21 Aid station and 9 hours for overall finish.
Total Elevation Gain: 7400ft gain, 7400ft loss
50K Run Profile

50K Elevation Profile

50K GPX
Start to Turnaround here.
Turnaround to Finish here.
Turn by Turn directions here

Aid Stations

10K runners
No aid on course, they turn back at mile 3 and finish line has Aid.


25K runners:
will have following Aid stations
i) Full service Aid station at mile 4
ii) Water drop at mile 7
Full service Aid stations will have Water, Tailwind, fresh fruits , PBJ, soda and gels.
Water drop Aid Station will have just water.


20Mile runners:
will have following Aid stations
i) water drop (mile 7 and mile 14)
ii) Full Service White Hill Aid Station mile 10
Full service Aid stations will have Water, Tailwind, fresh fruits , PBJ, soda and gels.
Water drop Aid Station only water

50K runners
:
will have following Aid stations
i) water drop (mile 7 and mile 24)
ii) Full Service White Hill Aid Station mile 10(and mile 20)
iii) Full Service Lucas Valley Aid Station mile 15
Full service Aid stations will have Water, Tailwind, fresh fruits , PBJ, soda and gels.
Water drop Aid Station will have just water.

Course Marking

We will have course marked with pink ribbons. All courses are pink ribbons, with Turn Around signs for 10K at 3.1 mile point, Turn Around signs for 20Mile at 10 mile point and 50K at final Turnaround.
Wrong route is marked blue for a short distance.
Near turns you will see red/black stripped ribbons.

we will printed Turn by Turn directions at start/finish to pickup.

GPX for 25K and 50K is uploaded and shared above.

Event Organised by Friends of Ridge Trail

This event is organised by
Friends of Ridge Trail

RT Swag

All runners will get Tech Tshirts with Ridge Trail logo and finishers award.

Event's current local time: 11:15 PM PT

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