Teenage running sensation Sam Ruthe is confident his record-breaking mile in Boston only marks the beginning of his capability.
The 16-year-old's broken Sir John Walker's overall national mark by two tenths of a second with a three minute 48.88 dash indoors.
Ruthe races again in North Carolina this weekend.
Sportstalk host Jason Pine speculated about Ruthe's athletic future.
LISTEN ABOVE

Full Show Podcast: 24 April 2026
1:40:00

Perspective with Heather du Plessis-Allan: 'You can’t hate what Jacinda did and then love what Chris Luxon has done'
02:20

Dan Mitchinson: US Correspondent on fuel crisis and rise of 'no-contact'
03:46