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New jersey

Sunday, October 2 | Waterloo Village

MammothMarch is back! After our successful 2021 premiere event, we'll be back with both our 20- and 30-mile options, an adjusted set up, and lots of scenic miles through Allamuchy Mountain State Park, Stephens State Park and along beautiful trails and lakes, such as Sussex Branch Trail and Cranberry Lake.

You will have 8 or 12 hours respectively to master the challenge and finish exhausted but proud and happy.


Time & Location

Oct 2, 7:00 AM

The Fields at Waterloo, 2 Kinney Rd, Hackettstown, NJ 07840

At a glance


Date: Sunday, October 2, 2022


Distance: 20 miles in 8 hours or 30 miles in 12 hours

There is no timekeeping, there are no failures, we only recognize the incredible courage it takes to rise to the challenge and every participant completing the distance will be awarded with their finisher medal and considered a winner!


Starting time: Several starting slots available from 7 a.m.

We have implemented time slots with limited capacity that you can choose from when signing up. This ensures that a maximum of 5-10 people will cross the starting line at the same time. The first hikers will start as early as 7 a.m. with the majority coming back in just under 8 hours (20 mi.) or 12 hours (30 mi.). However, we will have our finish line open for the ones that need a bit more time.


Venue (start/finish): The Fields at Waterloo, 2 Kinney Rd, Hackettstown, NJ 07840.


Parking: Adequate parking will be available and is included in the cost of your ticket

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

Certificates: All finishers will receive their personalized certificate and medal after crossing the finish line. A certificate – stating the individual mileage reached – can also be collected for those not completing the total distance.


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

Hiking Pass: MammothMarch Hiking Passes will be made available for all new participants to collect their stamps. All 2021 participants should bring their Hiking Pass to collect their 2022 stamps on site.

Merchandise: Our 2022 merchandise collection can be viewed right here: here: Pre-orders are possible until Sep 17, but we will also have merchandise available on the day of the event (while stocks last).


Route: The single-circuit loops cover 20 or 30 miles along beautiful trails, lakes and remote parks. Take a look at our 2021 routes right here: 20-miler, 30-miler. Please note that this only provides a rough overview and our 2022 routes will be revealed shortly before the event.

Total elevation gain: Around 2,200 ft. (20-miler), 3,300 ft. (30-miler)

Terrain: Mainly unpaved hiking trails, dirt trails, forest floor, gravel paths

COVID-19 information: The health and safety of our participants, staff and stakeholders involved is our highest priority. Therefore, we will follow NJ State Park's as well as CDC's recommendations and provide details of any COVID-19 requirements shortly before the event.

What are you waiting for? Click here to sign up for the adventure of a lifetime.


Please check out more details in our FAQ section or send us an e-mail  at

The route will be made available for download, including GPS coordinates, 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 of course adapt it to local conditions at short notice.

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