- Weather
- 39°Ftypical startModelled estimate
- Field size
- ~400 runners
- Course
- Net downhill
- Elevation
- 150 ft gain · -550 ft net
Event listed as: Marathon
PR9Weather9Experience6
Late February · Southeast · Point-to-Point
Oak Ridge to Kingston Express Marathon & Half Marathon
Oak Ridge, TN · Sunday, February 28, 2027
Event: O2K Marathon
- Best for PR
- Boston Qualifier
- Scenic
Registration opens on the organizer's site
Typical start
38°
Cooler than 93% of U.S. marathons
Modeled historical conditions
Elevation gain
250ft
Flatter than 48% of races
Estimated total climb
Field size
300
Larger than 0% of races
Estimated field
PR potential
9.1/10
Ahead of 63% of races
Almanac model
Percentiles compare this race against all 224 U.S. marathons in the Almanac.
Course profile
250 ft gain · -300 ft net
Net downhill course, point-to-point.
0510152026.2
Race-day weather
Modeled from location, month and coastal proximity, not verified race history.
6 AM
30°
Start
38°
Midday
49°
ExcellentGoodWarmHeat risk
Typical start sits at 38°F, good conditions.
Typical dew point 31°F, 22% chance of precipitation, wind around 7 mph. All modeled.
The bottom line
This is a course built to give time back.
Oak Ridge to Kingston Express Marathon & Half Marathon is a strong choice for a fast time on tired legs, and the route gives back elevation for most of the 26.2 miles. The tradeoff is atmosphere: expect long quiet stretches and few spectators.
Why runners choose this race
A point-to-point course around Oak Ridge, TN, that gives back elevation for most of the race.
The case for it
- PR attempts
- Boston qualification
- Runners who care about scenery
- Runners who want a low-key start
The tradeoffs
- You want crowds and on-course energy
Course and logistics
- Course type
- Point-to-Point
- Surface
- Road
- Profile
- Net downhill
- Total gain
- 250 ft(estimated)
- Total loss
- 550 ft(estimated)
- Net elevation
- -300 ft(estimated)
- Field size
- ~300 runners(estimated)
- Crowd support
- Quiet, low-key
- Entry
- Easy
- Entry fee
- $60(most recent listed price)
- Day of week
- Sunday
- Start / finish
- Start and finish in different locations
Race details
- Typical timing
- Late February
- Next confirmed date
- Sunday, February 28, 2027
- Registration
- Open now
- Region
- Southeast
- Editorial tier
- Recommended
- Data last reviewed
- 2026-08-26
- Best for PR
- Boston Qualifier
- Scenic
- Point-to-point
- Net downhill
- Easy entry
Similar races
Races with a comparable profile.
- Weather
- 39°Ftypical startModelled estimate
- Field size
- ~600 runners
- Course
- Net downhill
- Elevation
- 50 ft gain · -250 ft net
Event: St. Luke's D&L Marathon
PR9Weather9Experience7
- Weather
- 40°Ftypical startModelled estimate
- Field size
- ~500 runners
- Course
- Net downhill
- Elevation
- 250 ft gain · -800 ft net
Event: Redding Marathon
PR9Weather9Experience6