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Course Description:  Hemlock Overlook, located along the banks of the historic Bull Run, feels surprisingly remote for being so close to Washington D.C. Sightings of deer, beaver, turkey, osprey and great blue heron are not uncommon in this 425 acre park. The race course consists mostly of hiking trails (including the Bull Run Occoquan Trail), old dirt roads, and open fields. Competitors will run over rocks and roots, cross a few streams, and up some hills. The course is designed to be spectator friendly with several accessible areas great for family and friends to cheer on their racers.  

Hemlock Race Course (5.5 miles)
.1m       .1m       Start near the finish area and run to Yates Ford Rd.
.1m       .2m       East on Yates Ford Rd. to the left on the Farmhouse Rd.
.3m       .5m       Run up the Farmhouse Rd. to left down to pond
.3m       .8m       Run past the pond, through the finish area, then to the entrance to the Ravine Tr.
.9m       1.7m     Ravine Tr. to South on Horseshoe Trail (yellow trail) to Blue Tr.
.6m       2.3m     North on Blue trail
.4m       2.7m     East on Peanut Butter Pit tr. then under powerlines to front field to pump house
                        Aid Station #1 at pump house (2.7m from last aid)
.4m       3.1m     Pump house to Zip Wire trail down to Bull Run
.7m       3.8m     North on Blue trail
.3m       4.1m     Up hill to the back field
                        Aid Station #2 in backfield (1.4m from last aid)
.3m       4.4m     Backfield to pond
.4m       4.8m     North to Popes Head creek
.1m       4.9m     North along Popes head creek to Farmhouse trail
.4m       5.3m     South on trail through orchard then back to the Farmhouse
.2m       5.5m     From Farmhouse run to trail east of pond and then along road to pump house
                        Aid station #3 at pump house (1.4m from last aid)

Hemlock Race Course (10.3 miles)
                        Lap one above
.1m       5.6m     Pump house to ravine trail
.9m       6.5m     Ravine Trail to South on Horseshoe Trail (yellow trail) to Blue Tr.
.6m       7.1m     North on Blue trail
.4m       7.5m     East on Peanut Butter pit trail then under powerlines to front field to pump house
                        Aid Station #4 at pump house (1.9m from last aid)
.4m       7.9m     Pump house to Zip Wire trail down to Bull Run
.7m       8.6m     North on Blue trail
.3m       8.9m     Up hill to the back field
                        Aid Station #5 in backfield (1.4m from last aid)
.3m       9.2m     Backfield to pond
.4m       9.6m     North to Popes Head creek
.1m       9.7m     North along Popes head creek to Farmhouse trail
.4m       10.1m   South on trail through orchard then back to the Farmhouse
.2m       10.3m   From Farmhouse run to trail east of pond and then along road to pump house
Aid station #6 at pump house (1.4m from last aid)