Golden Gate Summer Trail

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With beaches, mountains and a solid stretch of hills to test those legs, this event has everything you could want from a running event. With everything from a 5 miler to a 50k route there is something here for runners of all levels. Come on out for the finisher's medal or the awesome t-shirt.
50k, Marathon, 30k, and 2 more
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Sat, Jul 9, 2022
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Mill Valley, United States
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(2 Reviews)
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20 to 50m elevation gain per km

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Where and when
11049 Mitchell Rd, Mill Valley, CA 94941, USA
Start times
Sat, Jul 9, 2022
7:00am |
7:15am |
7:00am |
Half Marathon:
7:15am |
Races summary
Here's what races are available for Golden Gate Summer Trail
1 / 2
$75.00 - $90.00
$65.00 - $80.00
$60.00 - $75.00
Half Marathon
$55.00 - $70.00
Route information
A beautiful run organized by Coastal Trail Runs. This event has everything you can want from mountains and solid hill climbs to coastal views over the Pacific. Enjoy vistas of the Pacific Coast and of the spectacular Marin Headlands with views of Tiburon, San Francisco and the Golden Gate Bridge.
The route kicks off with a fairly hefty hill so watch out and don't burn out on it. The 1.3m section climbs up over 800 feet, so take it slow and keep an eye on your heart rate.
The race is split fairly evenly between single tracks and dirt roads, making it quite even under foot and slightly more forgiving than asphalt.
This run is not for the faint hearted, even the 8k has over 1,000 feet of elevation gain. The half marathon has 2,550 feet, the 30K has a little over 4,000, whilst the longer runs have 5,100 and 6,580 feet respectively.
The course will be marked with ribbon approximately every 200 yards and color coded as follows:
  • 8k – Yellow
  • Half Marathon – Pink
  • 30k – Half Marathon + Yellow (5 mi)
  • Marathon – Half Marathon twice
  • 50k - Marathon + Yellow (5 mi)
Course Surfaces
8k - (Elevation Gain 1,010', 60% Single Track, 33% Dirt Road, 7% Asphalt)
Half Marathon - (Elevation Gain 2,550', 52% Single Track, 44% Dirt Road, 4% Asphalt)
30k - (Elevation Gain 4,030', 44% Single Track, 50% Dirt Road, 6% Asphalt)
Marathon - (Elevation Gain 5,100', 52% Single Track, 44% Dirt Road, 4% Asphalt)
50k - (Elevation Gain 6,580', 48% Single Track, 47% Dirt Road, 5% Asphalt)
Organizer route images
What's included
  • Finisher's medal
  • Event T-Shirt
  • Refreshments & Aid stations
  • The top 3 male and female overall winners of every distance will win an award and race credits to future Coastal races: 1st Place - $50, 2nd Place - $35, 3rd Place - $20
How to get there
11049 Mitchell Rd, Mill Valley, CA 94941, USA
Get full directionsExternalLink
By Car
Take exit 442 off the US-101, then turn left onto Bunker Rd and follow for around 3.4 miles to reach the event.
There will be parking available at the event.
Event day logistics
6am to 7:15am Bib Number & Shirt Pick-Up
7am 50k & 30k start
7:15am Marathon & Half Marathon start
7:30am 8k starts
4pm 50k & Marathon cut off time
Please make sure you give yourself enough time to get parked, registered and sufficiently warmed up before taking on this epic challenge.
Cut-off Times
There will be time limits in place for the Marathon and 50k which are as follows:
  • Marathon - 8 hours 45 minutes
  • 50k - 9 hours
Headphones are allowed on dirt road sections only. Please do not wear headphones on single-track trail, while crossing paved roads, when getting aid at aid stations, or while crossing the finish line.
Course Markings
The most important markings along the course will be the polka-dot flagging, which indicated a turn at an intersection. There will be at least two of these flags before a turn in the course, which will be placed before and on the same side as the required turn.
As you start to approach the intersections, please look for any polka-dot flags before turning. Waiting until you're in the intersection to determine the correct direction may be confusing and you may go the wrong way.
After you complete the turn, there will be orange and/or pink flagging indicating the correct route. We also hang blue ribbons at critical junctions indicating the wrong way. Blue is bad!
If you go 3-4 minutes without seeing your respective flagging, it's likely you've gone off course and should retrace your path until you find the course again.
Please be courteous on the trail. If you're passing another runner or hiker, announce "on your left" as you approach.
Aid Stations
Aid stations will be available every 4-6 miles which will be fully stocked with fresh fruit, salty snacks, assorted candy, water, and Clif Shot Electrolyte sports drinks.
Coastal Trail Runs's logo
Coastal Trail Runs
Our events are located in amazingly beautiful parks and recreation areas in California. We are known for our well-marked courses, accurately measured distances, immediate race results, quality shirt designs, and low-key, friendly atmosphere. For courses that are designed to be easier, flatter, and faster, check out one of our Zoom or ZombieRunner events. We have organized over 400 events during the past 16 years. We love trail running and we promise you a rewarding experience.
View more Coastal Trail Runs eventsExternalLink
What to bring
The weather is usually fairly warm this time of year. Please be sure to check the local forecast so you can bring the correct gear for the day, and don't forget your best pair of running shoes!
Are headphones allowed on the Golden Gate Summer Trail run?
Headphones are only allowed on parts of the dirt road section for safety reasons, however you are encouraged not to wear them at all.
Can I bring my dog to the Golden Gate Summer Trail run?
Unfortunately, there are no dogs allowed on this course.
How many aid stations will there be on the Golden Gate Summer Trail run?
There will be fully stocked aid stations every 4 - 6 miles and you can expect fresh fruit, salty snacks and candy, as well as an abundance of refreshments and energy drinks.
Is the Golden Gate Summer Trail run a cupless event and do I need to bring my own water bottle?
Yes, in the hope of protecting the environment this event will not be supplying water cups at aid stations. Runners must bring their own water bottle which they can refill at the stations if they need to.
2 reviews
Did the Half Marathon in 2019
Great route, but check the elevation profile - some sneaky hills at the end there. Beautiful course, even if it was pretty fogged out this year. The course was unfortunately re-routed due to some engineering work but well organised to make the changes and sort out the re-routing in good time. Good selection of snacks and drinks along the way and after the finish line.
Did the 8k in 2019
This is a great race through the trails in Marin Headlands. We got an Uber there from the city, but there’s no signal at Rodeo beach so best to rent a car or hope to get a lift back from other runners. The course is very scenic, the coastline is beautiful (although it was very foggy at the time, but I heard the 2018 race was beautiful 😂). If you want to race, or at least run up all the hills you should start at the front, as lots of people were walking up the steep sections and the trail is very narrow so can get pretty congested, particularly on the switchbacks at the very beginning. I bought some Salomon Speedcross trail shoes on the advice of the team at Let’s Do this, and thank God I did, some parts are very steep with loose gravel and you’ll be able to go a lot faster in shoes with good grip. The race was really well organised, everything happened on time and there was so much food at the end. Loads of snacks, Clif bars, fizzy drinks etc and a great vibe welcoming all the runners over the line. Would definitely recommend this race, the medals are cool and the t-shirts are good quality, just fingers crossed for more sunshine next year!
Event cancelled

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