| Church Run | |
| Name Other: | Tributary to Oil Creek |
| Map Size: | 300 |
| Map Alt: | Map of the mouth of Church Run |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Alt: | Location of the mouth of Church Run |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Crawford |
| Subdivision Type4: | City |
| Subdivision Name4: | Titusville |
| Length: | 4miles[1] |
| Discharge1 Location: | Titusville, Pennsylvania |
| Discharge1 Avg: | 7.64cuft/s at mouth with Oil Creek[2] |
| Source1: | divide between Church Run and Thompson Creek |
| Source1 Location: | about 2 miles north of Titusville, Pennsylvania |
| Source1 Coordinates: | 41.6703°N -79.6628°W[3] |
| Source1 Elevation: | 1565feet[4] |
| Mouth: | Oil Creek at Titusville, Pennsylvania |
| Mouth Location: | Titusville, Pennsylvania |
| Mouth Coordinates: | 41.6239°N -79.6611°W |
| Mouth Elevation: | 1150feet |
| Progression: | Oil Creek → Allegheny River → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Allegheny River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Church Run Road (PA 89) (x2), Union Street, W Linden Street, W Spruce Street, E Hemlock Street, N Martin Street, N Drake Street, N Kerr Street, E Main Street, E Central Avenue, E Spring Street. S Brown Street |
Church Run is a 4miles long 1st order tributary to Oil Creek in Crawford County, Pennsylvania.
Church Run rises on the Thompson Creek divide about 2 miles north of Titusville, Pennsylvania. Church Run then flows southwest and south to meet Oil Creek at Titusville.[4]
Church Run drains of area, receives about 45.0 in/year of precipitation, has a topographic wetness index of 438.82, and has an average water temperature of 7.55 °C.[2] The watershed is 66% forested.[2]