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

Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...

The dark blue circles on the left side of the graph show the direct measurements of calorie burn during training and racing.

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

The Race Across Series, the global semi-supported ultra-cycling series founded by Arnaud Manzanini, today opens registration for its 2026 season. Following a record-breaking year in 2025, which ...

A study of elite ultra-athletes shows that even under extreme training, energy use levels off at ~2.5 times basal metabolic ...

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit ...

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.

Most dream vacations to France include sipping wine at a sidewalk cafe, gazing up at the Eiffel Tower or into the eyes of the ...

One way to keep auto racing competitive is to penalize faster cars and help slower ones. Enter Balance of Performance. Not ...

A new study of a Tour Divide rider reveals how the human body adapts to ultra-endurance cycling. Discover the surprising ...