
Green Valley Lake, United States of America · Saturday 1 August 2026
GREEN VALLEY LAKE 5K / 10K / HALF MARATHON Saturday, August 2, 2025 Green Valley Lake, CA (Between Running Springs & Big Bear in the San Bernardino Mountains) START TIMES 7:00 AM: Early Start Half Marathon (for those expecting to take 3.75 hours) 7:30 AM: Standard Half Marathon Start 8:30 AM: Mass Start for 5K & 10K COURSE HIGHLIGHTS This is a breathtaking mountain race in the heart of the San Bernardino National Forest! Start with a scenic ¾-mile out-and-back along the lake Climb gradually up Green Valley Lake Rd and onto a forest service road Enjoy a 400 ft elevation gain to an overlook at the 5K turnaround 10K and Half Marathon continue along rolling terrain on FS Road 2N13, through pine forests and rocky vistas Course is part paved (1.5 miles), then transitions to dirt roads and trail Water & aid stations every 1.5 miles Get ready for that fresh air, mountain-made, above-the-clouds experience! LOCATION Green Valley Lake - Just 40 minutes from Redlands, located off Hwy 18 between Lake Arrowhead and Big Bear. Post-race activities take place in the Downtown Community Garden on Main Street. Race HQ / Packet Pickup: Black Dog Social Club, 33231 Green Valley Lake Rd. WHAT YOU GET Custom, high-quality event t-shirt Unique, huge finisher medal Top 3 overall awards per race distance Age group medals (3 deep in 5-year spans up to 80 ) Chip timing by Itz About Time Age Groups: 10 & under, 11-14, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80 (Separate overall awards for each race distance.
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
We don't yet have verified elevation data for this course, so we can't rate its difficulty against other half marathons. Our data pipeline backfills course elevation continuously - check back soon.
Green Valley Lake 5k/10k/& Half Marathon is a half marathon held in Green Valley Lake, United States of America. It is scheduled for Saturday 1 August 2026. The course is run on road surface with 0m of total climbing, with its high point near 0m above sea level. For registration and full race details, visit the official Green Valley Lake 5k/10k/& Half Marathon website.
This is a very flat course, with only 0m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Green Valley Lake 5k/10k/& Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Green Valley Lake 5k/10k/& Half Marathon against other half marathons to find the right race for your goals.
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