Friends 10K, 5K, Fun Run and Tot Trot October 29, 2017 Cunningham Falls State Park, Houk Area 14039 Catoctin Hollow Rd., Thurmont, MD 21788 (301) 271-7574 8:00 AM to 11:00 AM E-MAIL | VISIT WEBSITE Overview Map Frederick County's most scenic running event now has a 10K option. In the colorful foliage of Cunningham Falls State Park. Paved, timed 5K and 10K races. Family-friendly 1.4-mile Fun Run/Walk and a Tot Trot for the youngsters. Food and prizes.