The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon. All courses are flat and fast!
The Half Marathon (CA19047RS) course is USATF certified.
Sun, May 31, 2026
1.5 km from Fremont5k 10k Half Marathon Run
Sat, Aug 15, 2026 at 8:00 AM
Join us on Saturday August 15 for Beer City Half™ SLAM, our final race of the Summer. August is National Clear the Shelters Month and we're working with Pets in Need to support animal rescue and adoption. This means we will have the annual running of the Top Dog Dash with all the proceeds doing to this great cause. The air is thick with excitement!
1 Miles 3.1 Miles 6.2 Miles 13.1 Miles Run
Sat, Sep 19, 2026 at 9:00 AM
CXC4L is proud to announce that we will be hosting the Newark Mile again in 2026. The race will take place along its traditional 2.5 mile (4km) course along the Newark Days parade route (see course...
4k 2.5 Miles Run
Sat, Nov 14, 2026 at 2:30 PM
Join us for an exciting evening celebrating Diwali with a party and a timed 5k or 10k race. Whether you're a runner, walker, or party-goer, this event promises something for everyone. This...
3.1 Miles 6.2 Miles Fun Run Run Walk
Sat, Jan 30, 2027 at 8:00 AM
This Fremont park has "hills" in the name, but the climbing is minimal at these runs by the bay. You will find an abundance of scenic views and variety of surfaces from dirt to paved to the wood boardwalks running through the marsh!
Hikers/walkers are always welcome!
5k 10k 21k Run
Run
PO BOX 3121, Los Altos, California, 94024, United States