Havasu Half Marathon
Race Day Weather
Comfortable temps, big temp swing
Mild 56°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 78°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.
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Race Info
The Havasu Half Marathon starts and finishes at London Bridge Beach in Lake Havasu City, Arizona, sending runners over and under the relocated London Bridge before a final stretch along a bike trail around Havasu Island. The USATF-certified course stays within 440 yards of the Colorado River and keeps elevation change under 33 feet. Mercury Events has organized the race since 2021, and proceeds benefit the Boys & Girls Club of the Colorado River.
Race weekend
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2026 |  | 57°/59° | - | 18° | |
2025 | | 53°/55° | - | 25° | |
2024 | | 56°/58° | - | 35° | |
2023 | | 58°/63° | - | 32° | |
2022 | | 63°/67° | - | 36° |