HalfRuns
2027 Oak Tree Half Marathon & 5K Run/Walk

2027 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 5, 2027

Location

Geneseo, NY

Runner Favorite83

Quick facts

Date
Sunday, September 5, 2027
Location
Geneseo, New York
Distance
Half marathon (13.1 mi)
Course
Loop Course
Terrain
Road
USATF certified
Not listed
Finishers on record
4,445

Highlights

Good For

PR FriendlyBQ Relevant

Atmosphere

Local CommunityGreat SwagWell Organized

Course

Fast Flat

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

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Logistics

Race Day

Sunday, September 5, 2027

Start Time

TBA

Start Location

4050 Avon Road, Geneseo, NY, 14454

Directions

Course Info

Course Type

Loop Course

Terrain

road

Scenery

Small Town

Surface

Paved

Difficulty

Ultra-Flat

Quality Score

Runner Favorite83
Methodology
Heritage20/20

21 years running

Size11/15

~161 finishers a year

Momentum5/5

growing or steady

Loyalty20/20

36% returning runners

Course & details13/15

USATF certified · 5 timing sources · 7 photos

National draw7/10

runners from 14 states

Front-pack speed5/5

winner 1:12:51

Weather2/10

typical high 75°F

Race Day Weather

5-year historical avg

Start (Low)

58°

Afternoon (High)

75°

Warm — hydration strategy is key, start conservatively

0.1"

Precipitation

10 mph

Wind

74%

Humidity

Historical Finish Times

How 4,445 finishers actually crossed the line across 21 years.

Most recent

2026

Total finishers

4,445

Median time

2:07:10

Latest turnout

159

States

38

10%
25%
75%
90%
1:05p50 median ≈ 2:004:20

Turnout by year

2018–2026

'18'19'21'22'23'24'25'26
See full results

Hover the histogram to inspect specific finish times.

Race Photos

Frequently asked

When is the 2027 Oak Tree Half Marathon & 5K Run/Walk?

The 2027 Oak Tree Half Marathon & 5K Run/Walk is held on Sunday, September 5, 2027.

Where does the 2027 Oak Tree Half Marathon & 5K Run/Walk take place?

It takes place in Geneseo, New York.

What distances does the 2027 Oak Tree Half Marathon & 5K Run/Walk offer?

The half marathon (13.1 miles).

Is the 2027 Oak Tree Half Marathon & 5K Run/Walk course flat and good for a PR?

The 2027 Oak Tree Half Marathon & 5K Run/Walk is a ultra-flat, loop course course.

How many people run the 2027 Oak Tree Half Marathon & 5K Run/Walk?

HalfRuns has finish records for 4,445 runners who have completed the 2027 Oak Tree Half Marathon & 5K Run/Walk.

HalfRuns editorial — independent, no paid placement.

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