JFK 50 Mile 'America's Oldest Ultramarathon'

06/30/2026

06/09/2026

Happy anniversary to our race directors!

Mike Spinnler and Maria Pazarentzos pose for a photo at the 1988 U.S. Olympic Track & Field Trials in Indianapolis, where Maria competed in the 10,000 meters. Today, June 9, marks their 33rd wedding anniversary.

05/28/2026

Run. Cheer. Connect. 🧡
We return this summer with 4 exciting nights of community, competition, and fun for all ages! Give our 2026 flyer a like and share!

05/23/2026

More than six decades of JFK 50 Mile leadership in one photo.

Two eras of the JFK 50 Mile: founder Buzz Sawyer with Mike Spinnler in 2003. Sawyer directed the race from 1963-92. Spinnler has led it since 1993.

05/09/2026

That’s it — the 64th Annual JFK 50 Mile presented by Altra is officially SOLD OUT. 🎉🔥

Thank you to every runner who claimed a spot for this year’s race. We’re humbled by the continued support for America’s oldest ultramarathon and can’t wait to see you on the starting line this November.

Missed out? There will be no waitlist, so your next opportunity will be when registration opens for 2027.

To everyone racing: your countdown starts now. Time to train, prepare, and get ready for 50.2 unforgettable miles. 👟💪

Only 197 days to go!

05/08/2026

🚨 LAST CHANCE 🚨

Only 50 spots remain for the 64th Annual JFK 50 Mile presented by Altra.

When we hit capacity, registration closes — and there will be NO waitlist. That means if you miss out, your next shot will be next year.

If the thought of 50 historic miles has been in the back of your mind, this is your sign. Don’t wait.

Claim your spot now and be part of the tradition. 🏃🔥



www.jfk50mile.org

05/04/2026

Registration open for the 2026 HARC Hike (May 30) and the Challenge Hike (May 16)

05/04/2026

90 spots. That’s it.

The clock is ticking for this year’s JFK 50 Mile presented by — America’s oldest ultramarathon and one of the most iconic races in the sport.

If 50 miles of road, trail, and towpath has been calling your name, now’s the time to answer.

Don’t wait until the start line is full.
Secure your spot today 👟🔥

www.jfk50mile.org

https://runsignup.com/Race/MD/Boonsboro/JFK50Mile

04/21/2026

04/17/2026

A look back at one of the more memorable performances in JFK 50 Mile history.