Weather: Denver Half Marathon
Typical climate in May (an estimate, not measured race-day data). Use it to plan your race strategy, clothing, and hydration.
Typical climate for the race month — an estimate, not a forecast or a race-day record
14°C
Temperature
Range: 6°C – 22°C
52%
Humidity
Low — comfortable
34%
Rain Chance
Possible — check forecast
May
Typical race month
Usually on a Sunday
Conditions
Mid-May in Denver averages a daily high of about 22°C and a low of about 6°C, with some precipitation on around ten days of the month, so the 6:30 a.m. start is cool.
What to Wear
Singlet or short sleeve
Ideal racing temperatures
Hydration Strategy
Before the Race
Normal hydration. Drink to thirst in the 24 hours before. Avoid over-hydrating.
During the Race
Drink at aid stations every 3-4km. Alternate water and sports drink.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
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