Devil After Dark Half Marathon

Las Vegas, NV, USA · September 4, 2027·
partly-cloudy-day95°·95° high·Light·Dry
3
Register

Race Day Weather

partly-cloudy-day
95°at start
95° high
Light
Dry
Your goal
0:00:00

Hot start

A warm 95°F start means heat management is critical — consider dialing back your goal pace by 10-20 sec/mi. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 308 days
partly-cloudy-day2
partly-cloudy-day2
partly-cloudy-day3
partly-cloudy-day3
partly-cloudy-day3
clear-night4
clear-night4
clear-night4
clear-night4

Pace Calculator

13.1mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Common Goals:

Get forecast alerts for Devil After Dark Half Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Devil After Dark 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 Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The Devil After Dark Half Marathon runs 13.1 miles on the paved Lovell Canyon Road in the Spring Mountains outside Las Vegas. The road twists through the canyon on rolling, gradually uphill terrain to a turnaround at mile 6.55, then retraces the same road back to the finish at the Lovell Canyon National Recreation Area. It is run on the Saturday of race weekend, as an evening run in the canyon.

Race weekend

Saturday, September 4
5:00 PMMarathon (26.2 mi)
5:30 PMHalf Marathon (13.1 mi)
6:00 PM10K (6.2 mi)6:00 PM5K (3.1 mi)

FAQ

When is the 2027 Devil After Dark Half Marathon?

The 2027 Devil After Dark Half Marathon will be held on Saturday September 4, 2027.

What is the time limit for the Devil After Dark Half Marathon?

The time limit for the Devil After Dark Half Marathon is 5.5 hours.

What will the weather be like for the 2027 Devil After Dark Half Marathon?

The forecast calls for a high of 96°F and a low of 73°F with a 2% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 8 years of data
Avg Temp
91°F
L:90° H:93°
RunScore
3
Conditions
Rain Freq
0%
0 of 8 yrs
Wind10mph
Dew35°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
89°/92°-
3
2024
clear-day
88°/90°-
3
2023
clear-day
92°/95°-
3
2022
clear-day
87°/92°-
4
2021
clear-day
89°/93°-
4
2020
clear-day
94°/98°-
3
2019
clear-day
82°/84°-
5
2018
clear-day
96°/99°-
2