Oak Ridge to Kingston Express Marathon & Half Marathon
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.
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.
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.
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.
Reviews
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Results — Oak Ridge to Kingston Express Marathon & Half Marathon
Other races near Oak Ridge
Different organizers, within 40 miles, in the next three months
Secret City Half Marathon and 5K
Hardin Valley Hawk Trot 5K
Clinton 5K & 1 Mile Fun Run
No Boundaries 5k Training for Hot to Trot
🏃 Plan Your Next Race in Oak Ridge
Find upcoming events by distance:
- Oak Ridge 5K Races 2 races
- Oak Ridge Half Marathons 3 races
- Marathons in Oak Ridge 2 races
- Oak Ridge Running Calendar 2026 5 races
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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