Phoenix Run Run Rudolph Half Marathon
Race Day Weather
Cool start, gradual warm-up
Runners will face a temperature increase from 43°F at the start to 52°F by the finish. With light winds at 4 mph from the east, runners can expect a tailwind in the first two miles and a headwind in Mile 4, making pacing adjustments essential. The moderate humidity at 56% should be manageable, but runners are advised to stay hydrated and maintain a steady pace throughout the race.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Phoenix Run Run Rudolph Half Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Phoenix Run Run Rudolph Half Marathon race plan
A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.
Race Info
The Phoenix Run Run Rudolph Half Marathon is a holiday-themed race held at Rio Vista Community Park in Peoria, Arizona, organized by StartLine Racing. The half marathon, 10K, 5K, and a children's Reindeer Dash all run on the paved New River Trail System. Proceeds benefit Ryan House, a pediatric palliative and hospice care organization.
