The research, published today in Current Biology, showed that ultramarathoners can burn an astounding 11,000 calories per day ...

When athletes devote large amounts of energy to running or cycling, they unconsciously cut back on energy output elsewhere.

While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.

The metabolic ceiling represents the maximum number of calories that a body can actually burn. For humans, it is believed to ...

The men’s Field Athlete of the Year nominees are also all world outdoor champions: Mondo Duplantis (Sweden, pole vault), ...

Workout regulars are training like elites to find purpose, community, and proof of what their bodies can do. This movement ...