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Delaware Valley
MammothMarch Delaware Valley 2026
After three sold out events in a row, we are thrilled to be back at Fair Hill in northeast Maryland for MammothMarch Delaware Valley 2026!
Once one of the largest private land holdings in the east, Fair Hill Natural Resources Area – known for its 5,656 acres of pristine fields, woodlands and natural beauty – is once again all yours to conquer.
Bordered by Pennsylvania to the north and less than half a mile west of Delaware, Fair Hill was previously owned by William duPont, Jr., an avid equestrian rider who acquired the farmland to enjoy riding as well as fox chasing. Today, it’s a picture-perfect spot for one of our most popular 20-mile hikes.
Master the challenge and spend a beautiful day hiking 20 miles at a stretch. Getting your finisher medal, you will be exhausted, but proud and happy... as well as part of our amazing community of nature-lovers, hikers and MammothMarch addicts!
At a glance
Date: Saturday, May 30, 2026
Location (start/finish): Fair Hill Natural Resources Management Area, 4640 Telegraph Rd, Elkton, MD 21921
Local Partners:
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 their finisher medal and considered a winner!
Starting time: You can choose from several time slots as early as 6:45 am with limited capacity when signing up. This ensures the most remote hiking experience as a maximum of 5 hikers will cross the starting line at the same time. With the majority coming back in just about 8 hours, we will have our finish line open for the ones that need a bit more time. There will be a cut-off time at either aid station – safety first!
Parking: Complimentary parking will be available on site.
Lodging/accommodation: Our travel partner Pellucid has secured a limited number of discounted rooms closest to our venue. Check out availability and book your room right here: https://groups.reservetravel.com/group.aspx?id=90016
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 and vary between each station, offering water, energy drinks, electrolytes, fruits, cereal/protein bars, sandwiches and more.
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.
Hiking Pass: MammothMarch Hiking Passes will be made available for all new participants. All participants from previous editions or different MammothMarch events should bring their Hiking Pass to collect their 2026 stamps on site.
Merchandise: Check out our Delaware Valley event store on Raceroster right here. Items ordered will be ready for pick up on event day. ay.
You can also visit our official MammothMarch online shop right here. Please note: The difference between the Raceroster event store and our official online store is that we will ship your items ordered in our official online store while products added during your registration or later through Raceroster will be ready for pick up on event day.
Route: The single-circuit loop covers 20 miles along beautiful and scenic trails and creeks at Fair Hill NRMA. The final route will be made available around 2 weeks prior to the event. Take a look at our 2025 hiking route right here to see what to expect
Total elevation gain: Around 1,850 ft.
Terrain: Mainly unpaved hiking trails, dirt trails, gravel roads and forest floor.
What are you waiting for? Sign up here to enter “not your average hike”.
Please check out more details in our FAQ section or contact us contact@mammothmarch.com.
