The Great Cow Harbor 10K Run

08/13/2026

🙋‍♀️🙋‍♂️ We need YOU! The Great Cow Harbor 10K is powered by volunteers, and we're looking for high schoolers and adults alike to help make race day happen. Whether it's a few hours or the whole morning, every set of hands counts.
View roles and sign up here: https://thegreatcowharborrace.volunteerlocal.com/volunteer/
🐮💙

08/07/2026

Did you know we have a 2K Fun Run & Walk? It’s a great option for kiddos and walkers alike! And if you missed out on 10K registration, don’t worry — the Fun Run is still open. Register in advance to guarantee your spot. Link in our bio (same site as the 10K).

06/03/2026

Happy Global Running Day to all of our Cow Harbor runners 🐮💙! What a spectacular day for a training run ☀️ No matter why you run, we appreciate your mutual love for the sport - keep up the great work 💪��

03/24/2026

SOLD OUT 🚨The 2026 Great Cow Harbor 10K sold out faster than we ever could have anticipated, and we are grateful for the incredible response.
You may add your name to the waitlist. Participants may be selected from the waitlist through September 1st. If you are selected, your card will be charged automatically.
Also consider our 2K fun run/walk, which is still open for registration.

**Update 3/25: Comments on this post have been turned off but we encourage you to review our FAQs at https://cowharborrace.com/faq/ and for support please visit https://cowharborrace.com/contact/ to get in touch with the right person to help you. **

03/19/2026

🚨Registration for the 2026 Great Cow Harbor 10K is NOW OPEN! 🎉
You can register at https://events.elitefeats.com/26gch
This race will sell out. Register TODAY to guarantee your spot and get the best pricing. The team has been working hard to put a great race together, and we hope to see YOU at the start line on September 19th.

JOIN US on September 19, 2026 for the The Great Cow Harbor 10K Run!

03/18/2026

🐮🔔 Registration for 2026 Great Cow Harbor 10K opens TOMORROW (March 19th) AT NOON! 🐮🔔
TAG YOUR TRAINING PARTNERS AND GET READY TO REGISTER 🏃‍♀️🏃
Sign up early to get the early bird registration price and secure your spot.

Link to register: https://events.elitefeats.com/26gch?utm_source=ig&utm_medium=social&utm_content=link_in_bio&fbclid=PAZnRzaAQnrP1leHRuA2FlbQIxMQBzcnRjBmFwcF9pZA8xMjQwMjQ1NzQyODc0MTQAAactQigMOizTBfwqoyebD6UhFyOa9njqLVH0XM3SUN8-xZY_joeIkIKERtG2xg_aem_-TDHo11YGOObomSvS_ro4w

02/19/2026

Mark your calendars, Northport! 🏃 Registration for the 49th Annual Great Cow Harbor 10K opens March 19th at 12PM. One of Long Island's most iconic races is back — will you be on the start line this September 19th?

01/07/2026

🐮 Did you know? The Cow Harbor 10K turns 50 in 2027! 🎉

The Northport-East Northport Public Library is creating a special exhibit to celebrate five decades of this beloved community tradition, and they need YOUR help!

This is YOUR chance to be part of making our 50th anniversary unforgettable! Your memorabilia could help tell the story of what makes Cow Harbor so special to our community. Help us preserve the history and memories that make this race a Northport tradition.

📞 Contact Kathryn Heaviside at 631-261-6930 or [email protected]

Let's make our 50th the best one yet! 🏃‍♀️🏃‍♂️

is looking for donations of materials from past Cow Harbor Run (10K & 2K) and Cow Harbor Day items for an upcoming exhibit. Shirts, articles, photos, signs, flyers and more will be accepted. Contact Kathryn Heaviside at 631-261-6930 ext 322

12/30/2025

Let's celebrate an amazing year and start 2026 off with a bang! 🎆🎊🎇

We are excited to be co-presenting the Northport Harbor New Year’s Eve Fireworks Display along with the Cow Harbor Day Committee, the Centerport Yacht Club, and the Northport Yacht Club.

🎆 Fireworks begin at 10 PM — the perfect way to celebrate before midnight with family and friends.

Shoutout to additional sponsors, our friends at The Observer as well as Northport Copy, for their support.

🌟 See you at the harbor!

09/26/2025

Got post race blues? The cure is here! Relive the day through this awesome Huntington Matters feature 🗞️

From block parties to blackouts...we've got you.