This is a challenging and exciting event and the beautifully decorated boats are shown at their best.

In an effort to convert the few city slickers among us, the school also provided less challenging events like the greased pig race.

But the current confluence of challenging events is hardly new.

Predictive homeostasis is an anticipatory response to an expected homeostatic challenging event in the future.

Lieutenant Jirak begs to differ, noting the police have a long history of maintaining order during challenging events.

Almost 1,800 athletes gather to participate in the world's most challenging endurance event, where hot temperatures and high winds make the course even more demanding.

The thrower must be standing at least a set distance away from the target, with higher distances for more challenging events.

I'm trying to come back into what I think is the most challenging event right now.

People lacking such vulnerability typically bounce back within weeks or months of an emotionally challenging event and may remain cheerful even when death is imminent.

The series follows the life of women who have babies, it shows challenging events in their personal life.