31Jan
10K
Running
- Distance
- 10K
- Countdown
- 84 days
- Entry fee
- $34.99
Hidden Valley 5K, 10K, 15K, Half Marathon 2027
Riverside,
California,
United States
84 days left
raceascend.com
Date
31 Jan, 2027
Races
4 distances
Entry fee
$29.99 – $42.99
Runner rating
Be the first to rate
Website
Official website
Hidden Valley 5K, 10K, 15K, Half Marathon 2027
About the event
Riverside hosts the Hidden Valley 5K, 10K, 15K, and Half Marathon on January 31, 2027, offering runners a variety of distance options to suit different fitness levels. Participants can choose from the scenic routes that span 5 kilometers, 10 kilometers, 15 kilometers, or take on the challenge of the half marathon at 21.1 kilometers.
Races offered
31Jan
15K
Running
- Distance
- 15K
- Countdown
- 84 days
- Entry fee
- $39.99
31Jan
5K
Running
- Distance
- 5K
- Countdown
- 84 days
- Entry fee
- $29.99
31Jan
Half Marathon
Running
- Distance
- 21.1K
- Countdown
- 84 days
- Entry fee
- $42.99
Weather history
3-year monthly averages for January in Riverside.
Temperature6.1° / 17.5°
Feels like2.9° / 14.1°
Sunshine hours8h 19m
Rainfall3.4 mm
Snowfall—
Wind8.0 km/h (Light breeze)
Humidity60.1%
Max UV indexLow (2.0)
Sweat lossLow
Course conditionsFirm and slightly soft
Sunrise06:52
Sunset17:04
About Riverside
Learn more about the host city, Riverside.
Riverside is a city in and the county seat of Riverside County, California, United States. It is named for its location beside the Santa Ana River in Southern California. It is the most populous city in the Inland Empire and Riverside County, 12th-most populous city in California, and 62nd-most populous city in the U.S. with a population of 314,998 at the 2020 census. The Riverside–San Bernardino metropolitan area at 4.74 million residents is the 12th-largest metropolitan area in the nation. Riverside is about 50 miles (80 km) east of downtown Los Angeles and is also part of the Greater Los Angeles area.
Read moreHotels & places to stay
Things to do nearby
Tours and activities near Riverside, powered by Viator.
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