11 Bostons, 100 Marathons & The Nose Touch That Changed Everything | Dr. Mark Denny episode artwork

EPISODE · Apr 16, 2026 · 13 MIN

11 Bostons, 100 Marathons & The Nose Touch That Changed Everything | Dr. Mark Denny

from DFW Running Talk · host Chris Detzel

Dr. Mark Denny has run Boston 11 times. He's completed 100+ marathons across all 7 continents. And he was on a bus to the starting line the morning the 2013 bombs went off. In this episode, the 67-year-old DFW runner opens up about the moment an 81-year-old doctor — on his 41st Boston — leaned in nose-to-nose and quietly dismantled everything Mark thought running was about. Heading back to Hopkinton for the 2026 Boston Marathon on April 20th, Mark reflects on a running life built on friendship, discipline, and learning to enjoy the journey over the finish time. Part of our "Boston Bound: DFW's Road to Hopkinton" series — 10 episodes, 10 DFW runners heading to Boston. Panther City Ultra | May 16 | Marion Sansom Park, Fort Worth | Code DFW = 10% off: Register here: https://www.riseracingco.com/panther-city-ultraNewsletter: dfwrunningtalk.substack.com

Dr. Mark Denny has run Boston 11 times. He's completed 100+ marathons across all 7 continents. And he was on a bus to the starting line the morning the 2013 bombs went off. In this episode, the 67-year-old DFW runner opens up about the moment an 81-year-old doctor — on his 41st Boston — leaned in nose-to-nose and quietly dismantled everything Mark thought running was about. Heading back to Hopkinton for the 2026 Boston Marathon on April 20th, Mark reflects on a running life built on friendship, discipline, and learning to enjoy the journey over the finish time. Part of our "Boston Bound: DFW's Road to Hopkinton" series — 10 episodes, 10 DFW runners heading to Boston. Panther City Ultra | May 16 | Marion Sansom Park, Fort Worth | Code DFW = 10% off: Register here: https://www.riseracingco.com/panther-city-ultraNewsletter: dfwrunningtalk.substack.com

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11 Bostons, 100 Marathons & The Nose Touch That Changed Everything | Dr. Mark Denny

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This episode was published on April 16, 2026.

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Dr. Mark Denny has run Boston 11 times. He's completed 100+ marathons across all 7 continents. And he was on a bus to the starting line the morning the 2013 bombs went off. In this episode, the 67-year-old DFW runner opens up about the moment an...

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