Olympic halfpipe qualifier snowboard

MAMMOTH, CALIFORNIA JANUARY 1, 2018-A competitor launches off a ramp during the Men’s Slopestyle Qualifier in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

A competitor crashes during the men’s slopestyle qualifier in Mammoth Mountain on Saturday.

Zoe Kalapos competes in the women’s finals halfpipe competetion in Mammoth Mountain on Saturday.

Kelly Clark competes in the women’s finals halfpipe competetion in Mammoth Mountain on Saturday.

Danny Davis hits his head while landing on the halfpipe in the men’s halfpipe finals competetion in Mammoth Mountain on Saturday.

Danny Davis falls after hitting his head while landing on the halfpipe in the men’s halfpipe finals competetion in Mammoth Mountain on Saturday.

Chloe Kim competes in the Wwomen’s finals halfpipe competetion in Mammoth Mountain on Saturday.

Chase Josey competes in the men’s qualifying halfpipe competetion in Mammoth Mountain on Saturday.

Brett Esser competes in the men’s qualifying halfpipe competetion in Mammoth Mountain on Saturday.

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Danny Davis trains before the Men’s Halfpipe Finals competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-A competitor warms-up before the start of the Men’s Slopestyle Qualifier in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-A competitor launches off a ramp during the Men’s Slopestyle Qualifier in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Danny Davis hits his head while landing on the halfpipe in the Men’s Halfpipe Finals competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Brett Esser competes in the Men’s Qualifying Halfpipe competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Danny Davis falls after hitting his head while landing on the halfpipe in the Men’s Halfpipe Finals competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Joshua Bowman lands a jump during the Men’s Qualifying Halfpipe competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-A competitor launches off a ramp during the Men’s Slopestyle Qualifier in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Zoe Kalapos competes in the Women’s Finals Halfpipe competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)

MAMMOTH, CALIFORNIA JANUARY 1, 2018-Chloe Kim competes in the Women’s Finals Halfpipe competetion in Mammoth Mountain Saturday. (Wally Skalij/Los Angeles Times)  (Wally Skalij / Los Angeles Times)