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Dean Karnazes can jog 350 miles without stopping thanks to rare genetic condition | Daily Mail Online
![Kelly Ripa and Ultramarathon Legend Dean Karnazes filming the segment 'Guinness World Record Breaker Week' on ABC's 'Live with Stock Photo - Alamy Kelly Ripa and Ultramarathon Legend Dean Karnazes filming the segment 'Guinness World Record Breaker Week' on ABC's 'Live with Stock Photo - Alamy](https://c8.alamy.com/comp/C2Y9H6/kelly-ripa-and-ultramarathon-legend-dean-karnazes-filming-the-segment-C2Y9H6.jpg)
Kelly Ripa and Ultramarathon Legend Dean Karnazes filming the segment 'Guinness World Record Breaker Week' on ABC's 'Live with Stock Photo - Alamy
![Dean Karnazes can jog 350 miles without stopping thanks to rare genetic condition | Daily Mail Online Dean Karnazes can jog 350 miles without stopping thanks to rare genetic condition | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2016/05/13/02/341ABD8E00000578-0-image-a-17_1463103217182.jpg)
Dean Karnazes can jog 350 miles without stopping thanks to rare genetic condition | Daily Mail Online
![Dean Karnazes Ultramarathon Man Story | Runs 350 Miles in 80 Hours Without Sleeping | Future Baby - YouTube Dean Karnazes Ultramarathon Man Story | Runs 350 Miles in 80 Hours Without Sleeping | Future Baby - YouTube](https://i.ytimg.com/vi/iD_T-zf6jdo/maxresdefault.jpg)
Dean Karnazes Ultramarathon Man Story | Runs 350 Miles in 80 Hours Without Sleeping | Future Baby - YouTube
![Kelly Ripa and Ultramarathon Legend Dean Karnazes filming the segment 'Guinness World Record Breaker Week' on ABC's 'Live with Stock Photo - Alamy Kelly Ripa and Ultramarathon Legend Dean Karnazes filming the segment 'Guinness World Record Breaker Week' on ABC's 'Live with Stock Photo - Alamy](https://c8.alamy.com/comp/C2Y9H1/kelly-ripa-and-ultramarathon-legend-dean-karnazes-filming-the-segment-C2Y9H1.jpg)