The Frazier Creek to .5 Mile Above Us 33 segment of the Whitewater River Run in West Virginia is a challenging and exhilarating experience for experienced whitewater enthusiasts. The ideal streamflow range for this section is between 800-1200 cfs. The class rating of this segment is class III-IV, with some rapids reaching class V during high water. The segment spans a distance of 6.5 miles and features several notable rapids, such as Double Z, Pinball, and Devil's Nose.

Double Z is the first significant rapid on the run and features a tight, technical entrance that leads into a series of powerful hydraulic currents. Pinball is a class IV-V rapid that requires precise maneuvering to avoid several boulders and strong currents. Devil's Nose is a class IV rapid that features a steep drop and a tight S-turn that requires precise navigation.

In terms of regulations, all boaters must wear a personal flotation device (PFD) at all times while on the river. Additionally, all boaters must comply with state fishing regulations and obtain a valid fishing license if they plan to fish on the river. Overall, the Frazier Creek to .5 Mile Above Us 33 segment of the Whitewater River Run offers a thrilling and challenging experience for experienced whitewater enthusiasts.