Lamar Odom is using his split as motivation to get back in shape.
Following Khloe Kardashian's file for divorce from the NBA free agent on Dec. 13, Life & Style has learned that the 6-foot-10 athlete has been channeling all of his energy into daily hikes around the LA area.
Several eyewitnesses have spotted the hard-to-miss reality star at Fryman Canyon and celeb-favorite Runyon Canyon every day since New Year's Eve.
"He's become a fixture on the hiking trail," an observer tells Life & Style. "He looks really healthy and is clearly working out hard.
"He was very friendly when some fans said hi to him. He was very nice about being recognized."
Another onlooker notes that the Keeping Up With the Kardashians star hasn't been spotted with any females, and seems to be focused on getting his life in order.
"He was intent on hiking up the hill, which is quite a challenge," a second observer shares. "It's very steep and there are lots of obstacles to climb to get to the top, but he was climbing with such ease, he certainly looks like a very fit athlete."
A third eyewitness tells Life & Style it's likely the 34-year-old enjoys going to Runyon to take in the beautiful views of the City of Angels, as it's a great way to de-stress.
"Celebrities come to to get away from the craziness of Hollywood and it seems to be working for Lamar because he keeps coming back."
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But if he's hoping to avoid a run-in with Khloe, he may want to reconsider where and when he hikes.
"I've seen Khloe here, but I've never seen them together," the onlooker notes. "He looks like he's truly working hard to make a change."
It helps that co-hikers are supporting Lamar whenever they see him.
"They're rooting him on. He's a really nice guy and it's good to see him back on the wagon, making a positive change."
Like the one-time Los Angeles Lakers player, Khloe has also been kicking her workouts into high gear to cope with her woes.
She's even been spotted heading to the gym with rumored new man, Los Angeles Dodgers baseball player Matt Kemp.
The 29-year-old has been very cryptic about her personal life on Twitter. On Sunday, she shared this message with her 8.7 million followers:
"HE heals the brokenhearted and binds up their wounds"— Khloé (@khloekardashian) January 5, 2014
The Friday the 13th divorce filing ending their four-year marriage came several months after allegations of his drug use and extramarital affairs.
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Five days after the move, the former X Factor host opened up slightly about the situation on social media.
This, in and of itself, is heart breaking and torture to my soul. Please, I don't need the extra rumors and BS right now.— Khloé (@khloekardashian) December 18, 2013