Winter Runderland Half Marathon

The Winter Runderland Half Marathon, along with 5K and 10K events, takes place in Santa Monica, CA, on December 6, 2025. This festive running event is designed for participants of all levels, featuring USATF-certified courses that are flat and fast, making it ideal for both beginners and seasoned runners. After completing the race, participants can enjoy holiday cheer by visiting Santa for memorable photos.

The event promotes community spirit and offers opportunities for volunteers to earn free race entries. With over 50 races hosted annually, CaliFlow Runs fosters a supportive environment for runners. Visit the organization's website for the most recent information.