home run | Gap | earned run average | Gap (clothing retailer) | The Gap | Gap, Hautes-Alpes | Run-D.M.C. | Chicken Run | First Battle of Bull Run | Run Lola Run | run | Reviews on the Run | Cumberland Gap | Thoroughfare Gap | mile run | Gary Puckett & The Union Gap | Delaware Water Gap National Recreation Area | Cannonball Run | Born to Run | Second Battle of Bull Run | salmon run | Run Silent, Run Deep | Run-length encoding | Run–D.M.C. | run (baseball) | Midnight Run | Logan's Run | hit and run | Gap Inc. | Darién Gap |
For example, headward erosion by the Shenandoah River in the U.S. state of Virginia, a tributary of the Potomac River, permitted the Shenandoah to capture successively the original upstream segments of Beaverdam Creek, Gap Run and Goose Creek, three smaller tributaries of the Potomac.