In 2012, she received worldwide media attention after her pre-race warm-up dance went viral on the internet and was featured in the 2013 Sports Illustrated Swimsuit Issue.

[5] In an interview, she described her hobbies as Australian rules football, soccer, quad biking, climbing trees, and handball.

[6][7] In March 2010, Jenneke finished first in the 100 m hurdles, breaking the national record in the women's sprint medley relay at the 2010 Australian Junior Championships.

[9] In July of that year, she was on Australia's team at the 2010 Singapore Youth Olympic Games, running the 100 m hurdles and the women's medley relay.

[17] In April 2011 she competed at the 89th Australian Athletics Championships and finished third in the 100 m hurdles behind world champion Sally Pearson.

[19] After the competition, a video of her 100 m hurdles taken during the heats race, was subsequently posted on a video-sharing site, raising her profile around the world.

The next month she won the Australian National Championship 100 m hurdles final with a time of 12.93, qualifying her for the 2016 Summer Olympics in Rio de Janeiro.

[30] In July 2012, videos of Jenneke dancing during her pre-race warmup before the 100 m hurdles race at the 2012 World Junior Championships in Athletics in Barcelona went viral on YouTube.