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Running trails in Millbrae, CA
Millbrae has 8 trails in the directory — 2 paved and 2 open 24 hours. 4 of them post opening hours, so you can check the gate before an early start. They're ranked here by rating weighted by review volume, across 1,402 Google reviews. Filter by surface, loop, distance, shade or lighting to get to the run you're actually planning — no made-up difficulty score, just the facts you'd check before driving out.
Bayfront Park
4.6 ★★★★★ 1,188 reviews
Small bayside park next to the airport, with a walking trail & benches for watching the planes land.
Millbrae Spur Trail
4.2 ★★★★☆ 103 reviews
Pet-friendly park featuring a track, a skate park and fitness equipment, plus trails for hiking and dog-walking.
Green Hills Park
4.2 ★★★★☆ 51 reviews
Mosta Grove
4.5 ★★★★★ 11 reviews
Josephine Waugh - Soroptimist Park
3.6 ★★★★☆ 12 reviews
Sawyer Camp Trail North Gate Entrance
5 ★★★★★ 3 reviews
San Andreas Trail
4 ★★★★☆ 2 reviews
No trails match those filters.
How to pick a trail in Millbrae
- Match the surface to your legs. Most of what's here is paved (2 of 8). Asphalt and concrete are fast, predictable and runnable year-round but the least forgiving; crushed limestone and dirt take the sting out of high mileage; boardwalk is flat and scenic but slick in the wet. If your shins or knees are complaining, the fix that actually works is varying the surface you run on rather than chasing one "best" one. More paved trails →
- Loop or out-and-back? A loop finishes back at the car with no backtracking; on an out-and-back you simply turn round at half your distance.
- Check the hours before a 6am run. 2 trails in Millbrae are open 24 hours — the rest can sit inside a park that gates at dusk and doesn't unlock until well after sunrise. 4 of the 8 listings carry posted opening hours — worth a look before you set an alarm.
- Long run? Check water and restrooms first. 1 has trailhead parking, 1 has restrooms, and 2 have a water fountain in Millbrae. Anything over an hour and those stop being nice-to-haves — and in summer, shade counts double.
- The small things that decide it. 1 dog-friendly. Busy or quiet isn't a good-or-bad thing here: a busy path is the safer choice for a solo run at dawn, a quiet one is better for intervals.
More on all of this in the trail-running guides.
Browse Millbrae trails by type
Running trails near Millbrae
Worth the short drive — the closest towns with trails in the directory.