| Title | : | CHASING 400 The Grand Slam of Ultrarunning |
| Duration | : | 54 minutes, 2 seconds |
| Uploader | : | Jeremy Miller |
| Added On: | : | 20 March, 2022 |
| Views | : | 620.2K times |
| Likes | : | 0 |
| Source | : | YouTube |
Directed by Jeremy MillerStarring Justin KinnerAs an avid endurance athlete and someone who is always seeking the next challenge, Justin Kinner was naturally drawn to the Grand Slam of Ultrarunning. The “Slam” is a series of four of the oldest 100-mil
