MammothMarch Delaware Valley is back!
MammothMarch returns to northeast Maryland! After yet another sold out edition in 2024, we will be back for a third MammothMarch Delaware Valley on May 31, 2025.
Once one of the largest private land holdings in the east, Fair Hill – 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 and challenging 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!
Signing up for the first time? Take a look at past events and what our participants say: https://www.mammothmarch.com/reviews
Secure your ticket now and take a look at what's included:
Please note that the route will be made available for download 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 of course adapt it to local conditions at short notice.
Registration fees
Prices are inclusive of mandatory charges, items, and fees
MammothMarch Delaware Valley
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Spend a beautiful day hiking and finish 20 miles in 8 hours
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$63.18
SUPER EARLY BIRD
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$73.71
EARLY BIRD
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$84.24
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Register for MammothMarch Delaware Valley$94.77
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$105.30
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$115.83
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Contact information
- Event contact
- MammothMarch Event Team
- contact@mammothmarch.com
- Website
- Visit website
