Fitness Influencer Katie Austin Shows Off Her Skills on the Tennis Court

The model clearly takes after her father, former tennis player Jeff Austin.
Katie Austin

Katie Austin.

Certified fitness trainer Katie Austin proved that exercise and being social are the perfect Sunday Funday mix. The SI Swimsuit model shared that she spent an afternoon outdoors on the tennis court with her boyfriend, Lane Armstrong.

Austin offered up a collage of photos on Instagram on Feb. 19 documenting her day of activity. In the first pic, she held up her tennis racket overhead with one hand while the other rested on the net. The health coach wore a sporty two-piece set, including a spaghetti strap top and matching tennis skirt. She accessorized with white athletic sneakers.

In her post, Austin included a video snippet of the two playing, an adorable selfie together and several snaps of her casual outfit.

“sunday tennis🎾 being active should be about having FUN and so finding an activity outside of your normal workout routine is so important!!!” she wrote in her caption. “And why not mix social with exercise🙃.”

In addition to tennis, Austin shared that she enjoys mixing up her exercise routine while being social by also playing pickleball, basketball and going for walks with her friends.

“Dang you good!” commented fellow SI Swimsuit model and bestie Christen Harper.

It’s no surprise that Austin has the tennis gene—her dad is former pro tennis player Jeff Austin.

“Did you beat your dad? :),” quipped one follower.

“You play?!! I haven’t found anyone that really plays — I trained for 10 years,” actress Sophia Del Rio added.

The 2022 co-Rookie of the Year will return to SI Swimsuit this spring for her third consecutive year. Check out some behind-the-scenes content from her photo shoot in the Dominican Republic here.

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Cara O’Bleness


Cara is a trending news writer/editor for Sports Illustrated Swimsuit. A passionate writer and editor with more than 10 years of experience in print and online media, she loves storytelling and believes that words have the power to change the world. Prior to joining the team, Cara worked as a writer and editor across a number of content verticals, including food, lifestyle, health and wellness, and small business and entrepreneurship. In her free time, Cara loves reading, spending time with her family and making her way through Michigan’s many microbreweries. She is a graduate of Michigan State University's School of Journalism.