World's Fastest 16-Year-Old Breaks Four Records in Race That 'Shouldn't Be Possible'

A middle-distance running prodigy who broke four national records in a single race is accomplishing feats that "shouldn't be possible" at his age.

Sam Ruthe, from Tauranga in New Zealand, made worldwide headlines in March last year, when he became the youngest person in history to run a sub-four-minute mile at 15 years, 11 months, and seven days old.

The teenager ran a record time of three minutes and 58.35 seconds at Auckland's Mount Smart Stadium. "This was probably my favourite goal that I've reached," he said after the feat.

Before that race, Ruthe had already broken several records in 2025, including becoming New Zealand's youngest senior national champion when he won the 3,000m in another world-record time for his age.

"He performs at a level that barely seems real," says the creator behind YouTube channel The Distance Network. "He is running times that simply shouldn’t exist for a high-school athlete."

New Zealand middle distance runner Sam Ruthe poses with his time of 3:58.35. Image credit: Getty

One of Ruthe's biggest accomplishments in 2025 came at the New Zealand Secondary Schools (NZSS) Track and Field Championship in December, when he decided to run the 1500m qualifying heat "as if it was the Olympic final".

Ruthe, who is the fastest 16-year-old on an updated 1500m list by World Athletics, smashed four records – the New Zealand under-17, under-18, under-19 and Junior record – after crossing the line in 3 minutes and 38.62 seconds.

His time also broke the long-standing secondary schools' 1500m record, which was previously held by former Commonwealth Games runner Richard Potts.

"What Ruthe displayed wasn't just raw speed. It was durability, strength, recovery ability, and mental focus far beyond his age," said The Distance Network. "This is why people are calling him a generational talent."

So, how did Ruthe feel about breaking the 1500m records? "I was really, really surprised because I thought I was just going to beat it by a couple of seconds, like two seconds or something," he told Checkpoint.

"I was just like, I'll head out a bit fast and get some extra room just in case I don't feel too good towards the last couple of laps, and I just kept going because I felt so good."

• If you want to see even more from SPORTbible, make us a preferred source on Google.

Ruthe has already achieved more than most before turning 17. As well as being the youngest athlete ever to run a sub-four-minute mile, he has smashed numerous national records across multiple age groups.

Sam Ruthe's talent for running runs in the family

New Zealand's middle-distance prodigy was always going to shine on the track.

Ruthe's parents Ben and Jesse were both champion runners in New Zealand and his grandparents, Trevor Wright and Rosemary Wright, competed at the Olympic Games.

Rosemary won 800m gold at the 1970 Commonwealth Games and a year later, Trevor earned a silver medal at the 1971 European Marathon Championship.