
From the Organizer
Celebrate long summer days in Burlington, Vermont by running 4 miles every 4 hours for 48 hours. This 4x4x48 format can be tackled individually, in a pair, or as a team of 3-4 athletes.
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Saints Shuffle Fun Run/Walk
Stowe 100 miler and 24 hour Maple Womens Invitational Run
Stowe Mountain Resort 5K EpicPromise Trail Run
Fairfax Egg Run
Frequently Asked Questions (FAQs)
4x4x48
Jun 12, 2026