Windy Hill Open Space Preserve
 
This is a really good training run for ultras with a lot of shorter options available (10 - 23 miles). It's close to town, so the drive is quick and easy.  The course is generally quite runable. However, a lot of it is exposed to the sun, so it's good to get an early start in summer.  In wet months, this can be a "mud from hell" experience which makes all the more desirable.
 
Course Topo (10 Miler) Course profile (10 Miler)
 
Details:
 
Meeting Place: Windy Hill Parking Lot on Portola Road
Distances: 10, 17, 20, & 23 miles
Difficulty: Not bad. Starts uphill and finishes downhill.
Water Stops: None. You could set water along trail on Skyline.
 
General course description:
 
Starting from the lower section of Windy Hill, climb to through the park on Hamms Gulch Trail. This is a lovely singletrack through a wooded area. When you get to the next trail junction with Lonely Trail, turn left (south) and go for another 1.7 miles to the junction with Razorback Trail.  If you are doing the 10 mile loop, turn down Razorback Trail.  If you are going long, turn up (right) onto the connector trail that leads to Skyline Blvd. 
 
Lonely Trail is part of the Bay Area Ridge Trail (BART), head south to the exit of the park onto Skyline Blvd. At this point, you have to run south on the road for about 0.6 mile to a right turn on Raply Ranch Road. Go about 0.1 mile on this dirt road and turn left (south) onto BART and into Russian Ridge Open Space Preserve. Continuing south on BART the trail stays near the ridge and is very open with great views. BART comes to an trail segment which crosses Skyline into Coal Creek Open Space Preserve. For the 17 mile version, you cross here, do a loop through Coal Creek, and return via Skyline back to Windy Hill. The longer versions continue south through Russian Ridge and loop back through Skyline Ridge and Coal Creek.
 
Features:
 
Great running through various terrain: open ridges with good views and dense woodland areas with really nice singletrack trails.
 
Directions to start:
 
Windy Hill Open Space Preserve is located in the town of Portola Valley. We'll park in the main parking area of the lower part of the park. To get there, take the exit for Alpine Road off I-280. Go west toward the town of Portola Valley for about three miles. After this three miles, turn right on Portola Road, and go about one mile to the Windy Hill parking area. Turn left into the parking area and meet there.
 
 
 

Maps and other information are available at the following web sites:

Detailed Course Descriptions:

Maps: Windy Hill, Russian Ridge/Coal Creek, and Skyline Ridge Open Space Preserves. All maps available online in PDF file format. See above link for details.

10 Mile Version:

Segment

Total

Parking lot to Hamms Gulch

1.3

1.3

Hamms Gulch Trail to BART

2.6

3.9

BART to Skyline Blvd. (exit Windy Hill)

2.1

6

Down Razorback Ridge Trail to Corte Madera Creek

2.7

8.7

Return to Cars along Eagle Trail

1.8

10.5

 
17 Mile Version:

Segment

Total

Parking lot to Hamms Gulch

1.3

1.3

Hamms Gultch Trail to BART

2.6

3.9

BART to Skyline Blvd. (exit Windy Hill)

2.1

6

South on Skyline to Rapley Ranch Road

0.6

6.6

West on Rapley Ranch Road to BART

0.1

6.7

South on BART to Skyline and Coal Creek

1.9

8.6

Crazy Pete's Loop through Coal Creek

2.5

11.1

North on Skyline back to Windy Hill

1.5

12.6

Down Razorback Ridge Trail to Corte Madera Creek

2.7

15.3

Return to Cars along Eagle Trail

1.8

17.1

 

20 Mile Version:

Segment

Total

Parking lot to Hamms Gulch

1.3

1.3

Hamms Gultch Trail to BART

2.6

3.9

BART to Skyline Blvd. (exit Windy Hill)

2.1

6

South on Skyline to Rapley Ranch Road

0.6

6.6

West on Rapley Ranch Road to BART

0.1

6.7

South on BART to Hawk Ridge

1.4

8.1

Hawk Ridge to Ancient Oaks

1.2

9.3

Ancient Oaks to BART at Borel Hill

0.8

10.1

North on BART to Skyline and Coal Creek

0.5

10.6

Meadow Trail to Alpine Road Trail

1.2

11.8

Alpine Road to Crazy Pete's Loop

0.7

12.5

Crazy pete's Loop to Skyline Blvd.

1.1

13.6

North on Skyline back to Windy Hill

1.5

15.1

Down Razorback Ridge Trail to Corte Madera Creek

2.7

17.8

Return to Cars along Eagle Trail

1.8

19.6

 

23 Mile Version:

Segment

Total

Parking lot to Hamms Gulch

1.3

1.3

Hamms Gultch Trail to BART

2.6

3.9

BART to Skyline Blvd. (exit Windy Hill)

2.1

6

South on Skyline to Rapley Ranch Road

0.6

6.6

West on Rapley Ranch Road to BART

0.1

6.7

South on BART to Hawk Ridge

1.4

8.1

Hawk Ridge to Ancient Oaks

1.2

9.3

Ancient Oaks to BART at Borel Hill

0.8

10.1

South on BART to Alpine Road Crossing

0.8

10.9

South on BART to Skyline Ridge Parking

1.6

12.5

Cross Skyline Blvd into Monte Bello

0.1

12.6

Skid Road to White Oak Trail

0.4

13

White Oak Trail to Page Mill Road

1.5

14.5

Coal Creek to Alpine Road Trail

0.4

14.9

Alpine Road to Crazy Pete's Loop

0.7

15.6

Crazy pete's Loop to Skyline Blvd.

1.1

16.7

North on Skyline back to Windy Hill

1.5

18.2

Down Razorback Ridge Trail to Corte Madera Creek

2.7

20.9

Return to Cars along Eagle Trail

1.8

22.7