Fastpacking means covering multi-day trail routes by alternating running and hiking, carrying a stripped-down overnight kit in a body-hugging, vest-style pack instead of a traditional framed backpack. The goal is to move at running pace wherever the trail allows, hiking only the steep or technical sections, so a route that would take a week of standard backpacking can be finished in two to four days.
The approach grew out of ultrarunning, as athletes doing long point-to-point routes and fastest-known-time attempts needed to carry overnight gear without losing running form. A typical fastpacking kit trims weight aggressively: a minimalist shelter such as a tarp, bivy or single-wall tent; a compact quilt or sleeping bag; food calculated by the day rather than padded with extras; and, in many cases, no dedicated cook system. Total carried weight, including food and water, usually stays under 15 pounds so the hiker can still run comfortably on flat and downhill terrain.
How is fastpacking different from backpacking?
| Factor | Fastpacking | Standard backpacking |
|---|---|---|
| Daily mileage | 20–50+ miles | 8–15 miles |
| Pace | Mixed run/hike | Hiking pace |
| Pack style | Vest or light frame | Full framed pack |
| Typical pack weight | Under 15 lbs | 20–35+ lbs |
Fastpacking demands more cardiovascular fitness than backpacking, since sustaining a run-hike rhythm over consecutive days is more physically demanding than walking the same distance. It suits hikers who already trail-run and want to link long routes quickly, not a replacement for standard backpacking on every trip.