
From the Organizer
The Oak Tree is run annually on the Sunday of Labor Day weekend in beautiful historic Geneseo, NY.
Complete race details and online registration: https://oaktreerace.org
USATF Niagara Association 5km Championships: The Oak Tree 5km will serve as the 2026 USATF Niagara Open and Masters 5km Championships. The race will also be part of the 2026 USATF Niagara Runner Of The Year Series and Team Grand Prix Series.
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.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
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
Frequently Asked Questions (FAQs)
Oak Tree Half Marathon & 5K Run/Walk
Sep 6, 2026