IRONSTONE 100K: Legs of Iron. Resolve Like a Stone.

At Eastern States Trail-Endurance Alliance (ESTEA)—home of Eastern States 100, SHEastern States, Ironstone 100K, and the Eagleton Trail Challenge—we’re proud to be a local, all-volunteer, grassroots organization. Everything we do is built on stewardship: for our trails, for our trailrunners, and for the communities that support and sustain us. One of our core missions is to strengthen unity and cooperation among trailrunners, fellow users of public lands, and the towns and or

Friends and participants – We’ve got an important course update for you. On the Lower Trail, the Dilling Bridge (mile 11.4 of the...

The Ironstone 100K coincides with the Huntingdon County Fireman’s Festival in Alexandria Saturday afternoon/evening. As a result, Main...

Bib numbers have been assigned—find yours now on our Ultrasignup registration page: https://ultrasignup.com/entrants_event.aspx?did=11878...

Medal? You want to know what our medals are made of? Well, back in my day, we had a thing called metal. Not that cheap stuff made from...

In Greek mythology, Charon ferried souls across the River Styx to their judgment in Hades. At Ironstone, we’ve got The Doom Buggy —your...

A courier dropped off several suspiciously heavy parcels on my stoop yesterday. Inside? The 2025 Ironstone 100K Participant Pint Glass ....

Oh the places you’ll stick ‘em, the spots they might land On a lunchbox, a lamppost, a tuba, a hand! You’ll find in your swag bag (we...

Ironstone 100K 'Dirty Little Secret': Course marking and navigation - 43.8 miles of the Ironstone 100K course is blazed orange. The...

If Pulitzer Prize-winning historian and writer David McCullough had laced up trail shoes and run ultramarathons, the Ironstone 100K...

Yo, Logistic Boy Blake and CoRD Pat here! We said pack light — not your whole damn house, You rollin’ in deep like a storage warehouse....

After leaving AS6 Indian Steps and down Harry Valley Road for 0.4 miles , runners face the Indian Steps —a brutal 500-ft climb straight...

Mile 26.7–27.7: AS5 Colerain via Rainbow Trail and Colerain Road. On The Mid State Trail atop Tussey Ridge , runners will descend...

Leaving AS 4: Alfarata Station, runners cross a paved road and follow Brickyard Road, a dirt state forest road, before turning onto the...

There are a few times that runners will leave Mid State Trail and the ridgeline. At 35.2 miles, participants will take PA Furnace Road...

Most of the Ironstone 100K follows just three main trails: the Lower Trail / 9-11 National Memorial Trail , the Mid State Trail (MST) ,...

A heartfelt thank you to the The First Frontier - Blair County, PA – (Altoona-Blair County Development Corporation) for featuring Canoe...

If you're coming in for the Ironstone 100K on July 12–13, you're not just running a race—you're stepping into one of the region's most...

"Welcome back!" Ben beamed at the camera. "Thanks for tuning in! We're here with your dose of news, fun, and a look at some really...