January
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Chilly Cheeks | 10K | Reading | PA | |
| PHUNT | 50K, 50K, 42K, 20K | Fair Hill State Natural Arena | MD |
February
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Snow Fest | 3.5 miles | RB Winter State Park – Mifflinburg | PA | |
| Squirelly Tail Twail Wun | 1/2 Marathon | Gifford Pinchot State Park, Lewisburg | PA | |
| Ugly Mudder | 7.2 miles | Reading | PA |
March
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Buck Ridge Burn | 5K, 15K | Pine Grove Furnace State Park, Gardner | PA | |
| Buzzards Marathon | 26.2 miles | Dauphin | PA | |
| Geisinger Humdinger Trail Run | 7.1 miles | Danville | PA | Reg. before the race |
| 8K Perrydell Farms Mudfest | 8K | Perrydell Farm Store, York | PA | |
| Rockin’ The Ledges | 12mile-ish | Merli Sarnoski Park, Carbondale | PA | |
| The Hat Run | 50K | Susquehanna State Park, Havre de Grace | MD | Reg. 6 months Before |
| Tiadaghton Trail Challenge Spring Event | 13 miles | Mile Run exit (Exit 199 on Interstate 80) | PA |
April/March
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Mt. Penn Mud Fest (Easter Weekend) | 15K | Reading | PA | Reg. 6 months Before |
April
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Gunpowder Trail Race | 5 miles | Gunpowder Falls State Park | MD | |
| Hyner View Challenge | 25K | Lock Haven | PA | |
| Night Flight | 5K, 10K | Camp Mount Luther, Mifflinburg | PA | |
| Tough Mudder | 10K | Bear Creek Resort, Macungie | PA | Reg. as soon as it opens |
| Trail Triple Crown Marathon | 1/2 Marathon, 10K, 5K | Newark | DE | |
| TYLER ARBORETUM 10K TRAIL RUN | 10K | Media | PA |
May
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Andrew Mein Memorial Excellent Adventure Trail Run | Wilmington | DE | ||
| Charlie Horse | 1/2 Marathon | Plowville | PA | |
| Dark & Dirty | 10K | Reading | PA | |
| Holy Cowans Gap | 50K | Cowans Gap State Park | PA | |
| Hump 50K++ | 50K++ | 115 Garnet Lane Newlin Township | PA | |
| Mrs Smith Challenge | 10K | Lancaster | PA | |
| Mudder Mayhem | 7 miles | Evansburg | PA | |
| Patapsco Trail Race | 5 to 6 Miles | Patapsco State Park | MD | |
| Phila Region Xterra Trail run series | 5K | Warwick Park, St Peters | PA | |
| Prettyboy Trail Race | 10K | Prettyboy Reservoir | MD | |
| The Eagle Trek | 6 or 12 miles | Zindel Park, McElhattan | PA |
June
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Buffalo Stampede | 18.6 , 13.1 miles, 5K | Buffalo | PA | Many Creek Crossings, 4-5 hours away |
| Laurel Highlands Ultra Races | 77 miles, 50K | Ohiopyle | PA | Not for beginner Trail Runners |
| Mason Dixon Longest Day | 100K | Susquehanna Park, MD to Long Level | PA | |
| Michaux half & Full Marathon | 26.2 miles, 13.1 miles | Long Pine Run Reservoir, Michaux State Forest | PA | |
| Phila Region Xterra Trail run series | 5K | Hiberna Park, Coatesville | PA | |
| Phila Region Xterra Trail run series | 5K | Warwick Park, St Peters | PA | |
| Rothrock Challenge | 30K | Tussey Mountain Fun Center, State College | PA | |
| Smith Challenge | 10K | Lancaster | PA | |
| Strip Mine 9 | 15K | Mt. Carmel | PA | |
| Wissahickon | 10K | Wissahickon Valley section of Fairmount Park, Philadelphia | PA |
July
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Bear Creek Xterra Trail Run | 5 mile, 10 mile | Bear Creek Resort, Macungie | PA | |
| Catoctin 50K Trail Run | 50K | Gambrill State Park, Frederick | MD | Reg Starts 6/1 each year & Race fills up Fast. Not for beginner Trail Runners |
| Double Trouble | 15K, 30K | French Creek State Park, Morgantown | PA | |
| Escarpement | 18.6 miles | Catskill Mountain, Windham & Haines Falles | NY | Reg. May, 5 hours away |
| March Creek Rapter | 5 or 10 miles | March Creek State Park, Dowingtown | PA | |
| Phila Region Xterra Trail run series | 5 miles | Bear Creek Resort, Macungie | PA | |
| Prowl The Sproul | 10K | Lock Haven | PA | |
| St. Roch Run | 25K, 18K, 7K | Fair Hill | MD | |
| Sweet Air Trail Race | 7 to 8 miles | Gunpowder Falls State Park | MD | |
| Wildlife for Everyone | 10K | State Game Lands 252, Allenwood | PA |
August
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Bunker Hill Trail Race | 11 Miles, 5.5 Miles | Gunpowder Falls State Park | MD | |
| Dam Scramble | 9 or 18 Miles | Curwensville Lake Recreation Area | ||
| Eagle Hadventurish Trail Run | 5k, 5 Miles, 9 Miles | Brickerville | PA | |
| Half Wit Half Marathon | 1/2 marathon | Reading | PA | |
| Hit the Hay | 8.4 Miles | Birdsboro | PA | |
| On The Rocks Trail Run | 8.3 or 16.6 miles | York | PA | |
| Putz | 22K | Fair Hill | MD | |
| Radnor Red Run | 5K – Steeple Chase | Radnor | PA |
September
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Conestoga Trail Run | 10 miles | Pequea to Holtwood | PA | |
| Dandelion Trail Run | 5K, 10K | Camp Mount Luther, Mifflinburg | PA | |
| Gunpowder Keg Ultra, Trail Race | 50K, 21 Miles, 10.5 miles | Gunpowder Falls State Park | MD | |
| Labor Pain Ultra | 24 hrs Endur. Run | Reading | PA | |
| McGuire Mud Run | 10K | McGuire AFB | NJ | |
| Run for Ages 10K trail Run | 10K | Reading | PA | |
| Stumpy’s Marathon | 26.2 miles | Newark | DE | |
| Susquehana Super Hike | 28.6 Miles | Pequea | PA | Reg. 6 months before event |
| The Dam Half/Full Trail Marathon | Full/Half Marathon | RB Winter State Park – Mifflinburg | PA | |
| Trails 4 Tails | 40 miles, Relay | Hanover | PA |
October
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Bald Eagle Megatransect | 25.1 miles | Lock Haven | PA | Reg. Jan 1 each year |
| Blues Cruise | 50K | Reading | PA | |
| Camp Edge Muddy Bottom | 8K Mudrun | Alloway | NJ | |
| HARRC in The Park | 15K | Gifford Pinchot State Park, Lewisberry | PA | |
| Oil Creek 100 | 100 miles, 100k, 50k | Titusville | PA | Reg. mid March & 50K Race fills Quick |
| Gouls & Fouls | 10K | Reading | PA | |
| Partners in the Park | 5K, 1 mile | Rocky Ridge York County Park, York | PA | |
| Tiadaghton Trail Challenge-Fall Event | 13 miles | Mile Run exit (Exit 199 on Interstate 80) | PA | |
| Tussey Mountain Back Ultra Marathon & Relay | 50 miles | Boalsburg | PA |
November
| Race name | Distance | City | State | Comments |
|---|---|---|---|---|
| Dirty Bird | 15K | French Creek State Park, Morgantown | PA | |
| Evansburg Challenge | 10 miles | Evansburg | PA | |
| The Feronia Funrunium | 24K, 13K, 7K | Fair Hill | MD | |
| Trimax Media Mud Stain | 10 miles | Media | PA | |
| Twisted Turkey Trail Tussle | 1 mile, 10K, 10 miler | Strawberry Hill Nature Preserve, Gettsyburg | PA |
