Ten Years of
Marching Fourth
March 7, 2027 • Millburn, NJ
March Fourth 5K & Dog Walk
Sunday, March 7, 2027
South Mountain Reservation • Millburn, NJ
TIMED 5K • 9:00 AM
Official timing and posted results.
UNTIMED 5K • 9:00 AM
The same 5K course at your own pace.
DOG WALK • 10:00 AM
A relaxed community walk for people and their dogs.
Register and Donate here!
A Decade of Community Impact
For ten years, neighbors, families, runners, walkers, survivors, and dogs have come together to fight colorectal cancer. We have raised more than $500,000 and now welcome more than 750 participants each year.
Frequently Asked Questions
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Choose either the timed 5K or untimed 5K during registration. Both begin at 9:00 AM and follow the same course; only the timed option includes official results.
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The dog walk is a separate, relaxed community event beginning at 10:00 AM. Dogs and their people are welcome; event-day pet guidelines will be posted before race day.
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The March Fourth 5K & Dog Walk is Sunday, March 7, 2027 at South Mountain Reservation in Millburn, New Jersey. The timed and untimed 5K start at 9:00 AM; the dog walk starts at 10:00 AM.
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Parking and arrival instructions will be shared with registered participants before event day. Please arrive early and follow posted signs and volunteer directions at South Mountain Reservation.
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Use the Register / Donate and Sponsor buttons on this site. Volunteer, team, and additional participation options remain available through the event pages.
Questions? We’re Here to Help
Send us a message and we’ll get back to you.