She arrived atop of hill wheezing like a cracked bellows. Her ragged breathing stoked her brother’s competitive fires, and like a shot he was off again, skidding across the snow aboard the rusty old toboggan.

THWUMP! He hit the jump. The sled broke cleanly in two.

He hooted: “I win!”

This story was based on the prompt “wheezing” at TypeTrigger.