RunRace USA › California › Lake Sonoma 100K, 50K & TS Half
Lake Sonoma 100K, 50K & TS Half
Healdsburg, California · Saturday, April 10, 2027 · 100K, 50K, Half Marathon
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
Lake Sonoma 100K, 50K & TS Half takes place on Saturday, April 10, 2027 in Healdsburg, California. The race offers 3 distances: 100K, 50K, Half Marathon. For anyone travelling in, Windsor is about 16 miles away and Santa Rosa is about 25 miles away.
It is one of 126 races on the California calendar that April.
- Date
- Saturday, April 10, 2027
- Location
- Healdsburg, California
- Distances
- 100K, 50K, Half Marathon
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Healdsburg: check in Apr 9, out Apr 11.
Common questions
When is Lake Sonoma 100K, 50K & TS Half?
Lake Sonoma 100K, 50K & TS Half is scheduled for Saturday, April 10, 2027.
Where is Lake Sonoma 100K, 50K & TS Half held?
Lake Sonoma 100K, 50K & TS Half is held in Healdsburg, California. It is about 16 miles from Windsor and 25 miles from Santa Rosa.
What distances does Lake Sonoma 100K, 50K & TS Half offer?
The listed distances are 100K, 50K, Half Marathon.
How do I register for Lake Sonoma 100K, 50K & TS Half?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Sep 5Rose Mile Downhill at Lake SonomaHealdsburg, CA
- May 15Windsor Half Marathon 10K & 5KWindsor, CA
- Nov 14Konocti Climb 5KKelseyville, CA
- May 1Sea to SkyJenner, CA
- Feb 20Beer City Half™ Santa RosaSanta Rosa, CA
See every race on the California calendar, California Half Marathons, California Ultras, or use the Race Finder for maps and filters.