Sunday, Nov 3, 2019 @ 8:00 AM
This Event Took Place Sun. Nov 3, 2019


Unfortunately there will be NO race day registration as the race is currently SOLD OUT!

Steep Rock Trail Series

Just a little over an hour from the northern suburbs of NYC, in the northwest hills of Connecticut lies one of the best kept secrets in trail running around! If you are ready for a new challenge of some awesome trails, then the Steep Rock Trail Series brought to you by Steep Endurance is for you! In cooperation with the Steep Rock Association, the Steep Rock Trail Series gives runners a chance to experience the idyllic trails of the Steep Rock Preserves in Washington, CT. Each preserve and race offer its own sweeping viewpoints, lush forest single track trails and hillsides, babbling brooks and streams, old rail beds, rural landscapes, and of course the ever present New England fall foliage. With each subsequent race, runners will progress from a 10K up to a Half Marathon.

Steep Rock 10K: Sunday, September 29, 2019
Hidden Valley 15K: Sunday, November 3, 2019
Steep Rock Half Marathon: Sunday, November 17, 2019

About the Event

In the second race of the series, the Hidden Valley 15K, runners will get to experience the beauty of the Shepaug River, lookout summits of the valley below, the quartz mine, and the iconic Thoreau Bridge at the entrance to the park. The 15K course is gentle rolling in nature, but still has it’s challenges with plenty of single track and a few short steep climbs to lookout points.


Registration starts on Monday, April 1 for all 3 races in the series.

**Runners can sign up for all 3 (10K, 15K, Half Marathon) at a discounted price for the trail series! Please see registration link above or go to the ultrasignup links below!

Steep Rock 10K
Hidden Valley 15K
Steep Rock Half Marathon

T-shirts will be offered to the first 100 pre-registered runners in the 15K before October 25 . Additional Shirts can be purchased for $20. Please see event store link above.

The following non-profits will benefit from the Steep Rock Trail Series:
Steep Rock Association, Families United in Newtown, Washington Ambulance Association, and Washington Volunteer Fire Department.

Refund Policy: There will no refunds and/or no transfers of your registration or bib to any other person. Entry fees collected are used to develop and produce the event, starting well in advance of the race date--including course preparation, race supplies, permits, and administration.

Course Description

The second race in the Steep Rock Trail Series, the Hidden Valley 15K, starts near the entrance to the preserve where runners will begin with a gentle singletrack climb in the first mile before reaching an overlook point around the 1.25 mile mark. A few short steep ups and downs along with gentle rolling trails for the next few miles as the course winds towards the northeastern section of the preserve. A quick trip onto the pavement of Sabbaday Lane and it’s another quick climb to the highest point on the course just past 5 miles. A 300’ downhill drop in the next mile provides a welcome relief to the runners as they descend back down towards the river. The next few miles are generally flat along the river with a little side trip through an old quartz mine. Just before mile 8, it’s across the river on a several tiered wooden bridge with steps leading to the opposite side. A quick short 3/8 mile climb with a few switchbacks and it’s all downhill to the finish for the last mile on sweet buttery singletrack. A quick trip across the Thoreau Bridge and runners arrive at the finish line! This is an extremely beautiful course, but requires strong discipline to start slow and finish strong!


Each race in the Steep Rock Trail Series will offer awards in the following age groups for both men and women:
Overall, 19 and under, 20-29, 30-39, 40-49, 50-59, 60 and up.

Special “Steep Rock Trail Series” awards will be given for series winners in the following categories:
Overall Male/Female (1st, 2nd, and 3rd), Masters Male/Female (1st).

Specially designed awards will also be given to any participant who signs up for IN ADVANCE and RUNS in each of the three Steep Rock Trail Series events.

Post Race Celebration

You’ve just finished a super challenging course! Enjoy your accomplishment, sit back, relax, and don’t forget to cheer on all the runners coming in behind you! We will have the usual spread including bagels, bananas, pizza, non-alcoholic hydration options. **There is no alcohol permitted in any of the Steep Rock Association Preserves.

Additional Info

For more info, please go to

Event's current local time: 11:21 AM ET


Linked Events

Ask a Question

Top Performances