The Tiadaghton Trail Challenge returns to Waterville, Pennsylvania on November 14th, inviting runners to explore the scenic trails of Tiadaghton State Forest. This event marks its seventh year, offering a challenging Half Marathon and a 10K option for participants. The race takes place in the heart of the Pine Creek Valley, known as "The Heart of the PA Wilds," with stunning views of dark hemlock and oak forests, trout streams, and small waterfalls along the rugged terrain. On race morning at Waterville's Tiadaghton State Forest Resource Management Center, runners can expect to encounter firm yet slightly soft trail conditions that are both technical and rocky. The atmosphere is one of camaraderie as participants gather early for bib pickup before tackling the challenging course ahead. With no refunds or deferrals allowed, this event attracts serious competitors who appreciate the natural beauty and rigorous challenge. Since its inception in 2019, the Tiadaghton Trail Challenge has grown to attract hundreds of runners annually from across Pennsylvania and beyond. The race supports local conservation efforts by highlighting the importance of maintaining trails for both wildlife preservation and public enjoyment. Participants receive awards for first male and female overall winners as well as swag for pre-registered racers. The 10K course is a loop that begins and ends at the Tiadaghton State Forest Resource Management Center, located just outside Waterville on Lower Pine Bottom Road. Runners will encounter technical terrain with numerous softball-sized rocks dotting the trail, making it slightly more challenging than typical hiking paths. The Half Marathon extends further into the forest, offering even greater elevation changes and scenic vistas along its route. Weather conditions in November typically mean firm but soft trails suitable for running shoes rather than spikes or cleats. UV index is low at 2.0, requiring minimal sun protection while out on course. Temperatures range from mild to cool early morning through midday as runners complete their distances. The race offers a Half Marathon and a 10K option.
Registration for the Tiadaghton Trail Challenge can be completed online at [https://ultrasignup.com/register.aspx?did=134845](https://ultrasignup.com/register.aspx?did=134845). Bib pickup begins at 7:30 am on race day, allowing runners to collect their numbers before the start of the event. Participants should be prepared with proper trail running gear and hydration as there are no refunds or same-day registrations accepted. The start location for both races is situated at 10 Lower Pine Bottom in Waterville. For those new to the Tiadaghton Trail Challenge, it’s important to note that age requirements apply — participants must be at least 18 years old unless accompanied by a guardian who meets the registration criteria. Runners should arrive early with adequate clothing layers and hydration as temperatures can vary from mild to cool throughout November mornings. The Tiadaghton Trail Challenge in Waterville, Pennsylvania on November 14th offers runners an unparalleled opportunity to experience some of the most scenic trails within the Pine Creek Valley while supporting local conservation efforts. With its challenging course and stunning natural beauty, this event is a must for any trail runner looking for both physical challenge and rewarding views.
Races Offered
1/2 Marathon
Nov 14, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
09:00
sell
$65.00
10K
Nov 14, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
10:30
sell
$50.00
Weather History
These values represent the 3-year monthly averages for November in Waterville.
thermostatTemperature
1.8° / 10.6°
wb_sunnyFeels like
-2.2° / 6.5°
light_mode
Avg sunshine hours
6h 42m
water_drop
Avg rainfall
1.8 mm
ac_unit
Avg snowfall
0.2 cm
air
Avg wind speed
11.3 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.0)
humidity_mid
Humidity
71.4%
wb_twilight
Sunrise
07:58
nightlight
Sunset
17:50
About Waterville
Learn more about the host city, Waterville.
Cummings Township is a township in Lycoming County, Pennsylvania, United States. The population was 264 at the 2020 census, down from 273 in 2010. It is part of the Williamsport, Pennsylvania Metropolitan Statistical Area. Cummings Township is home to Little Pine State Park and Upper Pine Bottom State Park.