Peloton instructor Leanne Hainsby, 35, says she has been battling breast cancer for six months.

Peloton personality Leanne Hainsby revealed on Instagram on Friday that she has been battling breast cancer for the past six months.

Hainsby, 35, posted a carousel of photos of her treatment at the hospital, as well as a text in which she discussed her health battle dating back to last August.

“Two days before my best friend’s funeral, I found a lump in my breast,” said the British fitness professional. ‘That’s really a sentence I NEVER imagined writing.’

The spinning instructor said she was initially misdiagnosed by a doctor who said there were no problems, as a second opinion revealed the diagnosis of breast cancer.

“I trusted my gut and got a second opinion,” Hainsby said. That saved my life. Check it and check it again.

Hainsby said that before undergoing chemotherapy, she and her fiancé Benjamin Alldis completed a round of IVF.

“We weren’t mentally prepared, but we made it and we’re very grateful,” said Hainsby, who stayed busy working through three months of chemotherapy.

Hainsby shared images that document his health process in detail

The spinning instructor said she was initially misdiagnosed by a doctor who said there were no problems, as a second opinion revealed the diagnosis of breast cancer.

Hainsby has been keeping busy working through three months of chemotherapy.

“As a Peloton instructor, a big part of my role is about the members, and despite my diagnosis, that’s always been very important to me,” Hainsby said. “My classes have given me focus and some brightness at an incredibly difficult time, so thank you to the members who had no idea how much joy you brought me every day.”

Hainsby opened up about his regimen while undergoing treatment after his diagnosis.

“I would teach my classes LIVE on Wednesday mornings, and then I would meet my mom and go to the treatment room to get my weekly dose… Chemotherapy is no joke,” Hainsby said. Cool beanies are no joke.

Hainsby said he is scheduled to have a portacath device, which is used to dispense medication, removed and will undergo radiation therapy over a two-week period.

He said he will continue to undergo treatments for “a long time” and that regular hospital visits will remain “the norm.”

Hainsby said his outlook on life has become ‘very different in times like’ these

The London-based beauty said she has faith in herself and her medical team amid her courageous battle for health.

Hainsby said she has faith in herself and her medical team amid her courageous battle for health.

“I am in fantastic hands and I have this,” he wrote. “Nobody wants to sit in a room and tell them they have cancer, and yet I’ve always felt like one of the lucky ones. I am one of the lucky ones. Lucky to be diagnosed early, lucky to be moving fast in treatment, lucky to know I WILL BE OK.’

Hainsby said his outlook on life has become “very different in times like” these.

‘I think anyone who has had to ask themselves: ‘Am I going to die?’ to a medical professional I would probably say the same thing,” he said. But then you fight. You gain strength you never knew you had, and you keep going. Strong, as healthy as possible, and empowered.

Her fiancé, Alldis, who is also a Peloton instructor, responded: ‘You have shown me time and time again over the last year why I am the luckiest man alive because you said yes to marry me. Showing resilience, grace and still managing to be there for others as you go through it all. Your bright light is shining brighter than ever.