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Lake Mead Marathon 2025

location_on

Boulder City, Nevada, United States

calendar_today 10 Jan, 2026

directions_run Running

About the Event

Located entirely within Lake Mead National Recreation Area, the run will start at Boulder Beach and lead you onto the paved River Mountain Loop Trail offering a Marathon, Half Marathon, 10K and 5K. This epic run will take you on a journey through time, with views of the largest man-made lake in US history. The January desert-temperatures and views of Lake Mead make this run a must-do!

EVENT SCHEDULE
7:00am-8:30am: Race Day Packet Pick Up
7:55am: Brief talk from the Race Director for Marathon
8:00am: Start of the Marathon
8:30am: Start of the Half Marathon
8:35am: Start of the 10k
8:40am: Start of the 5k
9:30am: 5K Awards
9:45am: 10K Awards
10:30am: Half Marathon Awards
12:30pm: Marathon Awards
2:05pm: Course officially closes
RACE FEATURES
Scenic, USATF sanctioned course
Early & Race Day Packet Pick-Up options
Accurately measured, clearly marked courses
Reliable, Accurate Results
Post-Race Snacks
Race Shirt, Finisher Medal
Overall & Age Group Awards

Races Offered

5K

Jan 10, 2026

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Distance — 5K

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Type — Running

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-45 days remaining

10K

Jan 10, 2026

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Distance — 10K

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Type — Running

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-45 days remaining

Half-Marathon

Jan 10, 2026

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Distance — Half-Marathon

terrain

Type — Running

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-45 days remaining

Marathon

Jan 10, 2026

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Distance — Marathon

terrain

Type — Running

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-45 days remaining

Weather Overview

These values represent the 3-year monthly averages for January in Boulder City.

Temp (°C)

Feels Like (°C)

thermostat 3.2° / 12.8°

wb_sunny -0.9° / 8.4°

Wind (km/h)

Humidity (%)

air 9.4 /

water_drop 46.8%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 3.2° / 12.8°

wb_sunny -0.9° / 8.4°

air 9.4 km/h

water_drop 46.8%

About Boulder City

Learn more about the host city, Boulder City.

Boulder City is a city of 15,000 people (2021) in Southern Nevada, which was built for construction workers of the nearby Hoover Dam. It is one of only two cities in Nevada where gambling is prohibited.