Chip Gaines, one of the stars of the HGTV home design and renovation hit television series "Fixer Upper," is trying to help raise money for St. Jude Children's Research Hospital and the Brave Like Gabe Foundation.

Gaines posted on his Instagram account an entry on his friendship with professional runner Gabriele (Anderson) Grunewald, a 2004 Perham (Minn.) High School graduate. Gaines wrote he has a goal to reach $500,000 in donations to St. Jude by midnight, Tuesday, June 11.

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"So I will be personally matching all #ChipInChallenge donations made between now and midnight," Gaines wrote Tuesday afternoon. "ON TOP OF THAT, I'll also be matching that amount in the form of a donation to the #BraveLIkeGabe Foundation in Gabe's honor."

Grunewald was moved into comfort care, according to a Sunday, June 9, Instagram post from her husband Justin Grunewald.

"I understand that Gabe is not a patient at St. Jude, but right now, she is fighting for her life. Cancer is ugly and it is mean and it doesn't fight fair," Gaines wrote. "This has gotten extremely personal."

Gabriele has dealt with multiple bouts of cancer and was first diagnosed with adenoid cystic carcinoma in 2009 during her running career at the University of Minnesota. She has become an inspiration to many during her long fight with the disease that she shared with the public.

Gabriele started her professional running career in 2010.

"And to my beautiful friend Gabe," Gaines wrote. "(We) love you and we are here for you every step of the way."