The 2025 event has concluded.

Hoover Dam Marathon

Lake Mead, NV, USA • December 6, 2025
Register

Race Day Weather

clear-day
41°
61° high
Breezy
Dry

Cool temps, ideal conditions

Runners will face a cool start at 41°F, warming to 61°F by race end. Wind will be light at 9 mph from the NE, with low humidity at 37%. This weather is perfect for maintaining a steady pace; no adjustments are necessary, and hydration should be monitored regularly.

clear-night8
clear-day8
clear-day8
clear-day9
clear-day8
clear-day8
clear-day8
clear-day9
clear-day9
clear-day9
clear-day9

This race is historic and scenic. Taking place at Lake Mead National Recreation Area, which is approximately 18 miles from Las Vegas and boasts amazing views of the largest man-made lake in the US. During the race, you'll run on the Historic Railroad Trail, part of the Rail-to-Trails Conservancy and National Park. Source

Area Map

Course Map

Course Map Unavailable

We don't have course map data for Hoover Dam Marathon yet. If you have a GPX file (or other format) for this race, we'd love to add it!

Request / Submit Map

FAQ

Ask a Question about the Hoover Dam Marathon

Racecast Concierge (free during beta)

Ask a question about the Hoover Dam Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Hoover Dam Marathon and general racecast.io updates.

When is the 2025 Hoover Dam Marathon?

The 2025 Hoover Dam Marathon will be held on Saturday December 6, 2025.

Is the Hoover Dam Marathon a Boston Marathon Qualifier?

Yes, the Hoover Dam Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 9 years of data
Avg Temp
59°F
L:42° H:59°
RunScore
9
Conditions
Rain Freq
0%
0 of 9 yrs
Wind6mph
Dew19°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2024 Hoover Dam Marathon

Clear conditions throughout the day.

2024
clear-day
46°/66°-
9

2023 Hoover Dam Marathon

Clear conditions throughout the day.

2023
clear-day
44°/54°-
7

2022 Hoover Dam Marathon

Partly cloudy throughout the day.

2022
partly-cloudy-day
38°/59°-
8

2021 Hoover Dam Marathon

Clear conditions throughout the day.

2021
clear-day
33°/48°-
8

2019 Hoover Dam Marathon

Becoming cloudy in the afternoon.

2019
partly-cloudy-day
44°/60°-
8

2018 Hoover Dam Marathon

Partly cloudy throughout the day.

2018
partly-cloudy-day
43°/60°-
8

2017 Hoover Dam Marathon

Clear conditions throughout the day.

2017
clear-day
41°/64°-
9

2016 Hoover Dam Marathon

Partly cloudy throughout the day.

2016
partly-cloudy-day
41°/57°-
9

2015 Hoover Dam Marathon

Partly cloudy throughout the day.

2015
clear-day
45°/65°-
9
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR