Renner has been chronicling his recovery onsocial media, and posted his latest milestone on Thursday via anInstagram story.

First attempt at a light jog with weight assisted lift for the broken tibia, he captioned the video.

Pain is progress for me.

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Jeremy RennerL Albert L. Ortega/Getty Images)

Renner was using an anti-gravity treadmill and was keeping a slow but steady pace.

Renner is recovering from more than 30 broken bones sustained when a 14,000-pound snow plow fell on him.

While Renner progresses, he did allow that his legs still broken.

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Thank goodness for the titanium, he added.