Runners will face a temperature increase from 50°F at the start to a peak of 68°F. Winds from the SW at 8 mph with gusts up to 23 mph may challenge runners. With humidity at 57%, pacing should be conservative early on, and hydration should be prioritized as temperatures rise.
Race day forecast available in 145 days
Pre-raceRace windowPost-race
Pace Calculator
Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
—
Weather Adj.
—
Common Goals:
Get forecast alerts for Knoxville Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Knoxville Marathon is a spring race weekend in Knoxville, Tennessee, with a marathon, half marathon, 5K, four-person relay and kids run. The marathon and half marathon start at 7:30 AM on Sunday and run through several of the city's neighborhoods. The marathon course is a Boston Marathon qualifier.
The 2027 Knoxville Marathon will be held on Sunday April 11, 2027.
Is the Knoxville Marathon a Boston Marathon Qualifier?
Yes, the Knoxville Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2027 Knoxville Marathon?
The forecast calls for a high of 70°F and a low of 48°F with a 10% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
Historical Weather
Based on 21 years of data
Avg Temp
61°F
L:45° H:61°
RunScore
Conditions
Rain Freq
14%
3 of 21 yrs
Wind7mph
Dew40°F
Temperature History
Range of temperatures during race hours for each year.