Run the Rainbow for Children's Marathon
Race Day Weather
Cool start, warm finish
Runners will face a temperature rise from 56°F at the start to 78°F by the finish, with high humidity averaging 73%. Winds will be light, coming from the SW at 6 mph, providing minimal impact. Runners should start conservatively and adjust their pace as temperatures rise, prioritizing hydration throughout.
Pace Calculator
Register to “Run the Rainbow” to support Children’s of Mississippi – the state’s only children’s hospital. Run the Rainbow will feature a 5K route beginning and ending at Hal & Mal’s in downtown Jackson, and the 2024 event will also offer 10K, half marathon, and full marathon routes through downtown Jackson, Belhaven, Eastover, and the University of Mississippi Medical Center campus where you can see the Kathy and Joe Sanderson Tower at Children’s of Mississippi! Source
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 71°/77° | Light | 67° | |
2024 | | 55°/59° | - | 55° | |
2023 | | 39°/51° | - | 29° |