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Saturday, August 26 | Eastwood Beach at Stony Creek Metropark

MammothMarch is coming to Michigan!

Located less than one hour north of Detroit, Stony Creek Metropark offers more than 4,000 scenic acres of lush woodlands, gorgeous wetlands, tallgrass prairies, lakeview trails, and expansive fields in every direction.


Pleas download our updated hiking route right here:

AllTrails Link:

GPX file:

Link to our Participant Guide with all FAQs:

Pic for website_MI23.JPG

Time & Location

Aug 26, 7:30 AM

Eastwood Beach at Stony Creek Metropark, 4300 Main Park Dr, Shelby Township, MI 48316


Local Partners

At a glance


Date: Saturday, August 26, 2023


Distance: 20 miles in 8 hours
There is no timekeeping, there are no failures, we only recognize the incredible courage it takes to rise to our challenge. Every participant completing the distance will be awarded with their finisher medal and considered a winner!


Starting time: Several starting slots available from 7:30 a.m. You can choose from specific time slots with limited capacity when signing up. This ensures the most remote hiking experience as a maximum of 5 people will cross the starting line at the same time. The first hikers will start as early as 7:30 a.m. with the majority coming back in just about 8 hours. However, we will have our finish line open for the ones that need a bit more time.


Venue (start/finish): Eastwood Beach at Stony Creek Metropark, 4300 Main Park Dr, Shelby Township, MI 48316

The per-vehicle Park entrance fee is already included in your ticket; you just have to show your ticket when entering the Park gates.


Parking: Complimentary parking will be available on site

Aid/refreshment stations: There are water stops and aid stations along the route (approximately positioned every 5-7 miles apart) providing toilets, food and drinks for all participants. These refreshments are included in the cost of your ticket. The refreshments will vary between refreshment stations, providing water, coffee, tea isotonic drinks, fruits, cereal bars, nuts.

Certificates: All finishers will receive their personalized certificate after crossing the finish line. For the ones who drop out, we will issue certificates stating the mileage covered.


Finisher medal/wall of fame: For all participants finishing MammothMarch.

Merchandise: Our 2023 merchandise collection can be viewed right here: Pre-orders are available until around three weeks before the event, but we will also have merchandise on site (while stocks last).


Route: The single-circuit loop covers 20 miles of everything Stony Creek Metropark has to offer. The final route will be made available around 2 weeks prior to the event.

Total elevation gain: Around 700 ft.

Terrain: A mix of unpaved hiking trails, dirt trails, forest floor and paved lakeview trails.

What are you waiting for? Sign up here to enter the adventure of a lifetime.

Please check out more details in our FAQ section or contact us

The route will be made available approximately 2 weeks prior to the event. Please note that the route is preliminary and may be adjusted due to weather issues, official directives and/or organizational matters. The route will be marked 1-2 days prior to event day. Should we notice parts of the route being inaccessible, extremely wet/muddy we will adapt it to local conditions at short notice.

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