Christian Arehart landed a quadruple backflip on his mountain bike—a world first. Watch him send it and learn more about his incredible feat.

Two German men set a new world record for slacklining between two hot air balloons flying at 2,500 meters (8,202 feet). Watch it here.

The current marathon world record holder has died after a car crash in Kenya. Kelvin Kiptum and his coach were killed in a car crash.

A new video shared on Instagram this week shows the 132-foot world record for diving. The jump is called a death dive.

The World Surf League and others are celebrating a new world record of the largest wave ever paddled into by a female.

The 104-year-old woman made a tandem skydiving jump outside Chicago on October 1, potentially breaking the previous record.