Risk Library
Browse everyday activities and their estimated risk levels.
Sports and recreation
Backcountry hiking
Estimated acute risk associated with backcountry or wilderness hiking away from maintained trails.
Sports and recreation
Backcountry skiing
Estimated acute risk associated with a day of off-piste or backcountry skiing.
Sports and recreation
BASE jumping
Estimated acute risk associated with a single BASE jump (Buildings, Antennas, Spans, Earth).
Sports and recreation
Brisk walking
Estimated population-level acute risk associated with brisk-paced walking, such as exercise walking or commuting on foot.
Sports and recreation
Bungee jumping
Estimated acute risk associated with a single commercial bungee jump.
Sports and recreation
Competing in a triathlon
Estimated population-level acute risk associated with completing a triathlon (swim, bike, run) at any race distance.
Sports and recreation
Day hiking (established trails)
Estimated acute risk associated with a day hike on established, well-marked trails.
Sports and recreation
Downhill skiing
Estimated population-level acute risk associated with a day of recreational downhill skiing at a ski resort.
Sports and recreation
Flatwater kayaking
Estimated population-level acute risk associated with recreational kayaking on calm lakes or slow-moving rivers.
Sports and recreation
Hang gliding
Estimated population-level acute risk associated with recreational hang gliding.
Sports and recreation
Hiking
Estimated acute risk associated with recreational hiking.
Sports and recreation
Horseback riding
Estimated population-level acute risk associated with recreational horseback riding.
Sports and recreation
Indoor rock climbing
Estimated acute risk associated with climbing at an indoor climbing gym.
Sports and recreation
Leisurely urban walking
Estimated population-level acute risk associated with walking as a pedestrian on public roads and footpaths.
Sports and recreation
Mountain biking
Estimated acute risk associated with off-road mountain biking.
Sports and recreation
Mount Everest summit attempt
Estimated population-level acute risk associated with a single Mount Everest summit attempt.
Sports and recreation
Outdoor rock climbing
Estimated population-level acute risk associated with outdoor sport or traditional rock climbing.
Sports and recreation
Paragliding
Estimated population-level acute risk associated with recreational paragliding.
Sports and recreation
Road cycling
Estimated population-level acute risk associated with cycling on public roads.
Sports and recreation
Running
Estimated acute risk associated with recreational or fitness running.
Sports and recreation
Running a marathon
Estimated population-level acute risk associated with completing a full marathon (26.2 miles) during a race event.
Sports and recreation
Scuba diving
Estimated population-level acute risk associated with a single recreational scuba dive.
Sports and recreation
Skydiving
Estimated population-level acute risk associated with a single recreational skydive in the United States.
Sports and recreation
Snorkeling
Estimated population-level acute risk associated with a single recreational snorkeling session.
Sports and recreation
Snowboarding
Estimated population-level acute risk associated with a day of recreational snowboarding at a ski resort.
Sports and recreation
Surfing
Estimated acute risk associated with recreational surfing.
Sports and recreation
Swimming
Estimated acute risk associated with recreational swimming.
Sports and recreation
Whitewater kayaking
Estimated population-level acute risk associated with whitewater kayaking on rivers with rapids.
Sports and recreation
Wingsuit flying
Estimated acute risk associated with a single wingsuit skydive (aircraft-launched, not BASE jumping).