8m Course Details:

• Start at West Tyson Park entrance

• Follow pavement straight up to entrance to Chubb trail in upper parking lot circle

• Follow signs/flags up to picnic table (2.15 miles)

• Continue on trail down to train tracks

• Cross over train tracks to Aid Station #1 (approx. 3.1 miles)

• Continue past Aid Station #1 follow signs/flags straight along river route

• 8 MILE ONLY – Turn at orange cone at 3.85 miles

• Return back to aid station #1 following signs/flags (approx. 4.5 miles)

• Cross tracks and return up to picnic table

• Follow signs/flags on Chubb trail until returning to upper parking lot

• Follow signs/flags on pavement down from upper parking lot to make left turn

• Follow pavement to orange cone/flags to turn right up Chinkapin Trail (approx. 7.75 miles)

• Follow up and down Chinkapin trail (.35 miles) back down to finish

• Start at West Tyson Park entrance

• Follow pavement straight up to entrance to Chubb trail in upper parking lot circle

• Follow signs/flags up to picnic table (approx. 2.15 miles)

• Continue on trial down to train tracks

• Cross over train tracks to Aid Station #1 (approx. 3.1 miles)

• Continue past Aid Station #1 follow signs/flags straight along river route

• Ignore 8 mile turn around orange cone at 3.85miles and instead continue on along the river trail

• Follow signs/flags along river trail and cross train tracks

• Follow fire road towards Lone Elk park

• Climb up trail to entrance of Lone Elk park

• Cross service road following sign/flags to Turtle Trail

• Pass Wild Bird Sanctuary (cross entrance road to continue on trial)

• Follow signs to Aid Station #2 -- TURN AROUND (approx. 7.8 miles)

• Return back to Aid Station #1 following signs/flags – (approx. 11 miles)

• Cross tracks and return up to Picnic Table 

• Follow signs/flags on Chubb trail until returning to upper parking lot

• Follow signs/flags on pavement down from upper parking lot to make left turn

• Follow pavement to orange cone/flags to turn right up Chinkapin Trail (approx. 15.2 miles)

• Follow up and down Chinkapin trail (.35 miles) back down to finish 

• 50k runners will complete a second loop 

**50K runners will complete a second loop

50k aid station mileage:

• First Loop Aid Station #1 -- approx. 3.1 miles

• First Loop Aid Station #2 -- approx. 7.8 miles (Lone Elk turnaround)

• First Loop Aid Station #1 -- approx. 11 miles

• First Loop Finish Aid Station -- approx. 15.5 miles (50k starts second loop)

• Second Loop Aid Station #1 -- approx. 18.6 miles

• Second Loop Aid Station #2 -- approx. 22.7 miles (Lone Elk turnaround)

• Second Loop Aid Station #1 -- approx. 25.9 miles

• Start at West Tyson park entrance

• Immediate Right turn and head up past bathrooms onto Flint Quarry Trail

• Approx. 1.7 miles up to Picnic Table – Turn Right

• Continue on trail down to train tracks.  

• Cross over train tracks to Aid Station #1 – approx. 2.7 miles

• Continue past Aid Station #1 and make Right turn at signs in field.

• Follow signs/flags for a loop around field

• Loop around field returns to Aid Station #1 - approx. 4.2 miles

• Return back over train tracks retracing back up towards picnic table

• Follow signs/flags up to picnic table - approx. 5.5 miles

• Turn right at picnic table and return on Chubb trail

• Follow signs/flags on Chubb trail until returning to upper parking lot

• Follow signs/flags on pavement down from upper parking lot to make left turn

• Follow pavement to orange cone/flags to turn right up Chinkapin Trail - approx. 7.75 miles

• Follow up and down Chinkapin trail (.35 miles) back down to Finish

• 25k and 50k runners will turn right at the base of Chinkapin onto Flint Quarry trail to begin the next loop ​​(additional loops slightly shorter since they start at base of Flint Quarry instead of the park entrance)