Eastern States 100 Race Tracking
Works on desktop and mobile. Remember, this is the PA Wilds—runners are updated only when they reach an aid station and volunteers transmit their times. The website refreshes every 10 minutes.

Into to ESTEA 2:20

An important number 4:15

Friday pickup 7:01

Saturday morning check-in: 7:50 (Glitch]: Mandatory check-in opens. (Yes, you must check in BOTH Friday evening AND Saturday morning.) Pancake breakfast and Bason Coffee. Drop bags may be dropped in the designated area. Note - BAGS. No boxes, coolers, suitcases, or anything that resembles a body bag. Keep it 10 inches by 16 inches by 6 inches deep or smaller.

Sunday post race party: 8:40 Race Rules: 9:00 [ glitch]: Make sure bib is clearly visible - BUT ALSO: announce your number when you enter and leave each station - we’ll try to see it, but it is your responsibility to check in and out (and announce pacer if you have one… “#356 and pacer, leaving”)

Trail and Course Updates: 14:30

Course Updates 14:30
AS2 Bonnell Flats 16:15
AS14 Barrens 17:55
AS120 Tomb Flats 18:55 (glitch] bypass the crossing by using the bridge at Slate Run and returning to Tomb Flats (note, this option adds 2 miles to their race - they must visit the checkpoint at the Tomb Flats aid station)

Runner Tracking: 20:25

Volunteers: 26:20

Logistics and operations: 29:30

Medical: 35:55

Website: 45:15

Q&A: 49:40

Conquer the circumnavigation of the Lost and Bewildered River in the Wilds of Pennsylvania

Race Begins 5AM, August 8, 2026

Take me to registration

EASTERN STATES IOO

RACE BEGINS

365d

24h

60m

60s

Registration opened Oct. 1st

NOTE: With its graphics, maps, charts, tables, etc., this website is best viewed on a desktop and/laptop. You are missing out if you use a smartphone to review this website.

2026 Eastern States 100 Participant Guide

Lisa DeNardo PHOTOGRAPHY-ES100course-2025-27 (1).jpg

The Eastern States Flune

Because not everyone uses social media, we created this news feed to keep you updated and in the know.

Eastern States Race Tracking

Last week we unveiled Runner Tracking for Eastern States 100—a solution born from the reality that much of the course has little to no cell service, making app-based tracking impossible and GPS trackers prohibitively expensive. The response has been tremendous! Now it's even better. In addition to using "Locate Your Runner" to search for a specific runner and view their aid station splits, departure times, and race status, you can: Watch the race unfold on an interactive cour

Jul 24

An important Eastern States 100 deadline is approaching

Registration closes Thursday, July 30 at Noon EDT, and at that time we will temporarily freeze the waitlist. This allows our timing company to finalize the field, program runner and pacer bibs, our staff to process our paperwork, and prepare everything for race weekend. If you're currently registered but know you won't be racing (whether due to injury, scheduling conflicts, or life getting in the way) please withdraw as soon as possible. It's the right thing to do and may giv

Jul 24

A Statement from Eastern States Trail-Endurance Alliance Management on Crews and Spectators

There is one rule we need to address directly because it has become increasingly important to the future of our events. When our rules state "No crews or spectators are permitted except at designated crew-access aid stations," we mean exactly that. This is not a guideline. It is not a suggestion. It is not open to interpretation. It is a condition of our permits. Our events exist only because the Pennsylvania Department of Conservation and Natural Resources (DCNR), the Pennsy

Jul 16

Important Course Update: AS2 Ramsey is being relocated and renamed → AS2 Bonnell Flats

We have an important change to share regarding Aid Station 2. AS2 Ramsey is being relocated and renamed → AS2 Bonnell Flats (Mile 11.6). At the request of the Pennsylvania Department of Conservation and Natural Resources and Cummings Township, the aid station will move across the bridge and 0.5 miles down the Pine Creek Rail Trail to Bonnell Flats Campground . Why the Change? Safety. This decision comes down to reducing congestion and improving safety for runners, volunteers

Mar 18

Sign me up! NOW!

PRESENTED BY:

The Eastern States Trail-Endurance Alliance promotes trailrunning and the responsible use of public lands, through events such as the Eastern States 100, Ironstone 100K and Eagleton Trail Challenge, three footraces we manage as a stewardship for trailrunners and the community.