Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Lake Sonoma 100 Miler

Name: Lake Sonoma 100 Miler
Start: 2025-02-01
End: 2025-02-01
Location: Geyserville

Geyserville, United States • 1 Feb 2025

The Lake Sonoma 100 Miler is an exciting endurance running event set in Geyserville, California, featuring a challenging 100-mile course with approximately 27,000 feet of elevation gain. The race emphasizes a festival-like atmosphere, complete with live music, food trucks, and wine tasting at the start/finish area. Participants can also enjoy a unique "Little Baby" backyard run.

The event prioritizes runner experience with generous cutoff times, excellent aid stations, and a focus on community engagement, including charity support for the Children of Vineyard Workers Scholarship Fund. The race is designed to be memorable, whether runners face sunny or muddy conditions. Visit the organization's website for the most recent information.

United States California Geyserville

Race information

Website Registration

100 mi

100 Miler

100 mi

100m 4 Person Relay

50 mi

50m 4 Person Relay

Baby Backyard

Visit the organization's website for the most recent information.

Trail runs nearby

Sunday May 3

Angwin to Angwish

A trail run through the forested trails of Pacific Union College offering 26k, 10k, and a 1 Mile Kids Run for ages 7 to 12. The event is cupless, parking is free first come first served, and proceeds support PUC Athletics.

Saturday May 30

Sonoma Coast Trail Runs

These trail runs explore the beautiful Sonoma Coast State Park. The courses traverse a scenic ridgeline with ocean views and summit Red Hill. The event will return in 2027 with a planned new location in Monte Rio.

Sunday Jun 14

Tails & Trails- Charitable Walk/Run

Windsor

5 km

A charitable walk and run on June 14, 2026 at Howarth Memorial Park in Santa Rosa, CA. The event includes an in person 5K, a Dogwood Dash and a virtual any distance option; registration is coming soon.

Sat - Sun Oct 17-18

Sonoma Fall Classic

A multi-distance trail event at Lake Sonoma on October 17-18, 2026 offering 100 Mile, 50 Mile, marathon and 4-person relays on singletrack with substantial elevation and on-site camping.