Oak Ridge to Kingston Express Marathon & Half Marathon
Oak Ridge to Kingston Express Marathon & Half Marathon logo

Oak Ridge to Kingston Express Marathon & Half Marathon

Oak Ridge, Tennessee, United States View on map
Feb 28, 2027 (America/New_York local time)
Running

About this race

Event Information
Participation Cap
This event will be limited to 50 participants total, accepted on a first-registered basis.

Event Purpose
The race is structured to provide athletes with the opportunity to achieve a Boston Marathon Qualifying (BQ) standard or a benchmark Half Marathon performance. The course has consistently produced qualifying results, and the intent is to attract competitors pursuing age-group standards for Boston or other national and international events.

Eligibility
This event is intended for serious competitors actively seeking qualification times.

Participants should register only if they are capable of meeting, or coming very close to, their Boston Marathon age-group qualifying standard.
Reference official standards here: Boston Marathon Qualifying Times.
Cut-off Times

Half Marathon: 2 hours, 5 minutes
Marathon: 4 hours
 
Race Format and Conditions
This event will be conducted in a low-profile, performance-focused format.

No shirts, awards, or amenities will be provided.
The course will be open to light vehicular traffic; runners will utilize the bike lane/shoulder. Headphones are prohibited.
The initial 30 minutes will be run in darkness under street lighting. Participants must wear high-visibility clothing, reflective gear, and a headlamp or flashlight until daylight improves conditions.
 
Course Certification and Details
Marathon

Out-and-back format on the Oak Ridge Turnpike
Less than 600 ft total elevation gain
USATF Certified Course (Certification Code: TN21010MS) – valid for use when registering for the Boston Marathon
Halfway split will be recorded


Half Marathon

Point-to-point format along a highway with bike lane/shoulder
Less than 400 ft total elevation gain
Participants must arrange their own transportation back to the start; a limited number of return seats will be available through race management
 
Course Support
Aid stations will be located at:

Miles 3, 7, 11 (outbound)
Miles 15, 19, 23 (marathon only)
Competitors are expected to be largely self-supported and should bring their own fuel and supplies as needed
 
Registration and Packet Pickup
Race Day Only: Beginning at 4:45 AM
Participation Cap: 50 runners (exceptions may be granted in limited circumstances, including slightly over-standard qualifying times or requests after the cap has been met; inquiries should be directed to the race directors).
 

Pick your distance

Running

O2K Marathon

Start & Finish are at same location, Split at half way point.

Feb 28, 2027 Marathon 6:00 AM
$60.00
Open

O2K Half Marathon

Start and Finish are at opposite ends of the course. Please answer Question if you plan on utilizing Finish shuttle from Finish back to Start provided by Race management.

Feb 28, 2027 Half-Marathon 6:00 AM
$50.00
Open

Typical race-day weather

Based on 6 years of Open-Meteo archive data for this event's race dates in Oak Ridge, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 4.9° / Maximum temperature (race-week average) 16.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 2.0° / Maximum feels like — heat index / wind chill (race-week average) 16.6°
Peak wind (km/h)
Strongest wind of the day (race-week average)
16.4
Precip (mm)
Precipitation over the day (race-week average)
4.2mm
Humidity
Mean relative humidity (race-week average)
65.0%
Sunrise
Sunrise at the start line on February 28, 2027 (EST)
Sunset
Sunset at the start line on February 28, 2027 (EST)
Daylight
Hours between sunrise and sunset on race day
11h 22m

The sun rises at 7:08 AM and sets at 6:30 PM local time (EST) in Oak Ridge on February 28, 2027 — 11h 22m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Results — Oak Ridge to Kingston Express Marathon & Half Marathon

2026 edition View Results
2025 edition View Results
2024 edition View Results
2023 edition View Results
2022 edition View Results
2021 edition View Results

Other races near Oak Ridge

Different organizers, within 40 miles, in the next three months

Find upcoming events by distance:

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 9 Oak Ridge events

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