The following outline is provided as an overview of and topical guide to running: Running – means of rapidly traveling on foot, in which at regular points during the running cycle both feet are off the ground. Running is a key component to a number of sporting events typically in the realm of road racing, track and field or triathlon. Nature of running Running can be described as: Exercise Aerobic exercise A sport A component of athletics An individual sport A team sport (see relay race) A form of travel Animal locomotion Terrestrial locomotion Forms of running Backward running Barefoot running Sprinting Jogging ChiRunning Level and Incline Running Long-distance running – form of continuous running over distances of at least five kilometres (3.1 miles). Physiologically, it is largely aerobic in nature and requires stamina as well as mental strength. Running sports events Track and field Sprints 50 m 55 m 60 m 100 m 150 m 200 m 300 m 400 m 500 m Hurdles 50 m 55 m 60 m 100 m 110 m 400 m Middle distance running 800 m 1500 m 3000 m Steeplechase Long-distance track events 5000 m 10,000 m One hour run Relays 4 × 100 m 4 × 200 m 4 × 400 m 4 × 800 m Distance medley relay Sprint medley relay Swedish relay Road running 5K 5K race profiles 10K 10K race profiles Quarter marathon 10-miles 10 mile race profiles 20K Half marathon Specific half marathon profiles Marathon Specific Argentina marathon profiles Specific Australian marathon profiles Specific Canadian marathon profiles Specific Chinese marathon profiles Specific European marathon profiles Specific German marathon profiles Specific Indian marathon profiles Specific Japan marathon profiles Specific Lithuanian marathon profiles Specific Pakistani marathon profiles Specific Slovenian marathon profiles Specific U.K. marathon profiles Specific U.S. Marathon profiles Ultramarathon Multiday race Ekiden Off-road running Adventure running Cross country running Fell running Fell running competitions Mountain running Mountain running events Trail running Multi-discipline sports of which running is a part: Multisports that include running: Adventure racing Aquathlon Duathlon Triathlon – which includes running as its final, third component Quadrathlon Tetrathlon Modern pentathlon Heptathlon Octathlon Decathlon Tower running Running venues List of largest running events Running equipment Footwear Athletic shoe Racing flats Socks Track spikes Cheetah Flex-Foot Running shorts Timing transponder Injury prevention Stretching Cross-training Physiology of running Gait Running injuries Achilles tendon Achilles tendinitis Achilles tendon rupture Foot blisters Iliotibial