Oak Tree Half Marathon & 5K Run/Walk
Geneseo's Oak Tree Half Marathon offers a fast, flat course with strong community spirit.
Race Date
Sep 6, 2026
Location
Geneseo, NY
Quick facts
- Date
- Sunday, September 6, 2026
- Location
- Geneseo, New York
- Distance
- Half marathon (13.1 mi) + 5K
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 4,286
Highlights
Good For
Atmosphere
Course
The Experience
The Oak Tree Half Marathon, first run in 2005 and now in its 20th year, takes place annually on Labor Day weekend in historic Geneseo, NY. This USATF-certified course is known for its fast, flat profile, making it a prime spot for runners aiming for personal bests.
With a typical field of around 156 finishers, the race draws participants from about six states, and a loyal 32% return each year, underscoring its enduring appeal. The event is also recognized as a USATF Niagara Association 5km Championship, adding a competitive edge for some.
Runners can expect a welcoming atmosphere in this charming small town, with the half marathon and a 5K offering options for different levels. The event provides a classic road race experience, capped with a T-shirt for participants.
Race-provided description
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.
Logistics
Race Day
Sunday, September 6, 2026
Start Time
8:00 AM
Giveaway
T-Shirt
Start Location
4050 Avon Road, Geneseo, NY, 14454
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Scenery
Small Town
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
-0.10 m
Separation
2.8%
Also Offers
USATF Certified Course
NY16114KL · Oak Tree Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Standout7520 years running
~161 finishers a year
shrinking
32% returning runners
USATF certified · 5 timing sources · 7 photos
runners from 6 states
winner 1:16:30
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
58°
Afternoon (High)
75°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
10 mph
Wind
75%
Humidity
Historical Finish Times
How 4,286 finishers actually crossed the line across 20 years.
Most recent
2025
Total finishers
4,286
Median time
2:02:07
Latest turnout
156
States
38
Turnout by year
2017–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Oak Tree Half Marathon & 5K Run/Walk?
The Oak Tree Half Marathon & 5K Run/Walk is held on Sunday, September 6, 2026, starting at 8:00 AM.
Where does the Oak Tree Half Marathon & 5K Run/Walk take place?
It takes place in Geneseo, New York.
What distances does the Oak Tree Half Marathon & 5K Run/Walk offer?
The half marathon (13.1 miles), plus 5K.
Is the Oak Tree Half Marathon & 5K Run/Walk course flat and good for a PR?
The Oak Tree Half Marathon & 5K Run/Walk is a ultra-flat, loop course course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the Oak Tree Half Marathon & 5K Run/Walk?
HalfRuns has finish records for 4,286 runners who have completed the Oak Tree Half Marathon & 5K Run/Walk.
HalfRuns editorial — independent, no paid placement.
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