Out with the Old Half Marathon
Out with the Old Half Marathon race day weather
Cool start, gradual warm-up
Runners will face a temperature increase from 44°F at the start to 50°F by the finish. With a light breeze from the north at 6 mph, conditions will remain favorable throughout. Humidity is low at 43%, allowing for comfortable running, and no rain is expected. A conservative start pace is advisable to handle the gradual warming.
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About the Out with the Old Half Marathon
The Out with the Old Half Marathon is run on a Saturday in mid-December at Sunset Park in Las Vegas, Nevada. Calico Racing puts it on with a 10K and a 5K starting at the same 8:00 AM gun. Entry fees are discounted because the race gives out leftover shirts, medals and awards from the organizer's earlier events.
Race weekend
Out with the Old Half Marathon FAQ
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Out with the Old Half Marathon weather history
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | | 48°/56° | - | 35° | |
2024 | | 47°/56° | - | 21° | |
2019 | | 44°/51° | - | 27° | |
2017 |  | 48°/51° | - | 17° |