Running phenom Sam Ruthe set another middle distance record - and there's belief it could go deeper than good genetics.

The 16-year-old broke Sir John Walker's overall national mile mark set at Oslo in 1982 at an indoor meet in Boston.

Ruthe's grandfather, Trevor Wright, is also a skilled runner, but he says genetics only contribute to a small part of the teen's success.

"I put it down to dedication, talent and a good coach and a good manager...definitely dedicated."

LISTEN ABOVE

Running phenom Sam Ruthe set another middle distance record - and there's belief it could go deeper than good genetics.
The 16-year-old broke Sir John Walker's overall national mile mark set at Oslo in 1982 at an indoor meet in Boston.
Ruthe's grandfather, Trevor Wright, is also a skilled runner, but he says genetics only contribute to a small part of the teen's success.
"I put it down to dedication, talent and a good coach and a good manager...definitely dedicated."
LISTEN ABOVE

With a straight down the middle approach, Heather du Plessis-Allan Drive on Newstalk ZB delivers the very latest news and views to New Zealanders as they wrap up their day.

Heather du Plessis-Allan Drive

Trevor Wright: Sam Ruthe's grandfather on the Kiwi teen runner's athletic prowess

https://api.omny.fm/orgs/7784f840-c291-422a-924b-ad9000bbad71/clips/b9cba113-a698-48b1-897b-b3e5003dc11d/transcript