1. Start at crest of hill on entrance road into Lake Fairfax Park in main parking area (at 15 mph sign)
2. North on Lake Fairfax Drive for about 1/2 mile
3. Left on Hunt Club Road for about 1/3 mile
4. Right on Ring Road for about 1/3 mile
5. Right on path paralleling North Shore Drive on left side for about 1/3 mile, passing under Becontree Lane
6. Right at "T" path intersection for about 50 feet to sidewalk along North Shore Drive
7. Left on sidewalk along North Shore Drive for 50 feet
8. Left onto the overpass over Wiehle Avenue
9. Left on path along far side of Wiehle Avenue after crossing Wiehle Avenue on the overpass for about 1 1/4 mile, using path along Lake Anne dam, to the W&OD Trail [Water stop at intersection of W&OD Trail and path along Wiehle Avenue]
10. 17-mile Runners: Jump to Step 13
11. 10-mile Option: Right on the W&OD Trail for two miles   toward Herndon, reversing direction when you reach the far side of the   bridge over the Fairfax County Parkway (about 1/4 mile beyond the Milepost   18.5, between Town Center Pkwy and Herndon Parkway); return to Wiehle Ave. [Water   here]
12. Return to Start along same course as the first 3 miles (i.e., left on Wiehle Avenue, right   at the second North Shore Drive (by the pedestrian overpass), right onto path paralleling North Shore, left on Ring, left on Hunt Club, right on Lake Fairfax Dr.)
13. 17-mile Runners (Continued): Left on W&OD Trail to Milepost   15 (about 1.8 miles)
14. Reverse direction at Milepost 15, return to Wiehle Avenue [Water here], and continue on W&OD Trail   to Milepost 20.5, just after crossing Ferndale Ave. (the locale of the   Herndon Community Center) [Additional water available at water fountain in the center of Herndon just   before you reach Milepost 20]
15. Reverse direction at Milepost 20.5, returning to Wiehle Avenue [Water here]
16. Return to Start along same course as the first 3 miles (i.e., left on Wiehle Avenue, right   at the second North Shore Drive (by the pedestrian overpass), right onto path paralleling North Shore, left on Ring, left on Hunt Club, right on Lake Fairfax Dr.)

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