Slate Run Trail Race

About the Event

The Slate Run Trail Race will take place on Saturday, June 6, 2026, at 9:00 AM, starting at 153 Yoder Lane in Slate Run, PA. The event offers a 25 km trail race and a half marathon distance through the remote and rugged mountains of Tiadaghton State Forest, including sections of the Algerine Wild Area and the Red Run portions of the Black Forest Trail. The course features technical single track, streams, and scenic vistas.

Distance	Start Time	Course Split	Cut‑Off at Mile 9 (Manor Fork)	Half Course Cut‑Off (Manor Camp Intersection)	Notes
25 km --	9:00 AM --	First 9 miles shared with half marathon; then trail up streambed and Old Supply Trail --	12:00 noon --	— --	Runners missing the 12:00 noon cut‑off at mile 9 are redirected to half course --
Half Marathon --	9:00 AM --	First 9 miles shared with 25K; then follows road to last aid station and finish --	12:00 noon (same mile 9 location) --	1:00 PM --	Half runners not through Manor Camp intersection by 1:00 PM will be pulled from course --

All participants must follow event rules as provided by the organizer. There are no refunds, no deferrals, no switches, and no bandits for this event. Registration is open to the first 250 runners/hikers or until May 20, 2026, whichever occurs first. Hikers must reach the mile 9 intersection at the Manor Fork cabins by 12:00 noon; anyone after that point will be directed onto the half course. No exceptions will be made to this cut‑off.

The 25 km and half marathon share the same trail for the first 9 miles. At Manor Fork camps, half marathon runners follow the road to the last aid station and then to the finish. 25 km runners continue on the trail up along the streambed and then up Old Supply Trail.
The cut‑off for the first 9 miles is 12:00 noon (3 hours after start). This section includes one large hill; the rest is described as runnable.
After 12:00 noon, any runner (including 25 km entrants) who has not passed mile 9 will be directed onto the half course.
Half marathon runners must pass the Manor Camp intersection by 1:00 PM or they will be pulled from the course.
In 2025, all participants made the 1:00 PM cut‑off.

The course runs through Tiadaghton State Forest, featuring technical single track, stream crossings, and views. The event is organized by PA Trail Dogs. Registration opens December 16 at 8:00 PM via UltraSignup.

No virtual option is mentioned in the provided text.
No specific age restrictions or mandatory gear lists are provided in the visible text.
Participants should prepare for rugged, remote mountain terrain with possible stream crossings.
Contact: PA Trail Dogs via UltraSignup.

The Slate Run Trail Race in Slate Run, PA offers a 25 km and a half marathon through the rugged Black Forest Trail sections of Tiadaghton State Forest, with technical single track, stream crossings, vistas, and strict cut‑offs at mile 9 and the Manor Camp intersection.

Races Offered

25K

Jun 06, 2026

straighten

Distance — 25K

terrain

Type — Running

timer

09:00

sell

$80.00

Slate Run Half

Jun 06, 2026

straighten

Distance — 21K

terrain

Type — Running

timer

09:00

sell

$80.00

Weather History

These values represent the 3-year monthly averages for June in McHenry Township.

thermostat Temperature

14.4° / 24.9°

wb_sunny Feels like

13.4° / 24.1°

light_mode Avg sunshine hours

10h 52m

water_drop Avg rainfall

4.2 mm

ac_unit Avg snowfall

—

air Avg wind speed

10.2 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Very High (8.0)

humidity_mid Humidity

73.9%

wb_twilight Sunrise

05:36

nightlight Sunset

20:43

About McHenry Township

Learn more about the host city, McHenry Township.

McHenry Township is a township in Lycoming County, Pennsylvania, United States. The population was 121 at the 2020 census. It is part of the Williamsport Metropolitan Statistical Area.