Daiya Seto Bio [2024 Update]: Early Life, Affair & Olympics

If there is one adjective that can better describe Daiya Seto, it is Versatile. Short course and long course world champion, Seto swims in butterfly, breaststroke, individual medley, and freestyle events.

But his specialty lies in individual medley and butterfly.

In Japanese, Daiya means diamond. Japanese Swimmer has time and again proved himself to be as bright as a diamond on the pool.

For that reason, he has won the prestigious Asian male swimmer of the year award twice.

Besides that, he has one Olympic bronze from the 2016 Rio Olympics.

Unfortunately, in 2020, he reports that his extramarital affairs lead him to be shunned in Japan. It threw his life in a spiral resulting in a quick downfall. Despite that, he has not given up on swimming. 

He is currently representing Japan in Tokyo Olympics.

In this article, we will go through the rise and downfall of Daiya Seto. We will also discuss his early life, relationships, and scandals.

But first, here are some quick facts.

Daiya Seto: Quick Facts

Full Name Daiya Seto
Native name 瀬戸 大也
Nick Name Daiya
Birthdate 24th May 1994 
Age 29 years old
Zodiac Sign Gemini
Mother’s Name N/A
Father’s Name N/A
Siblings N/A
Birthplace Moroyama Town, Iruma District, Saitama, Japan
Home Town Moroyama, Saitama, Japan
Citizenship Japan
Residence Tokyo, Japan
School Saitama Sakae High School
College Waseda University
Education Sports Science
Height 174 cm/ 5’8”
Weight 72kg/ 159 lbs
Eye Colour Black
Hair Colour Black
Shoe Size N/A
Martial Status Married
Partner Yuka
Married  May 2017
Children Two Daughters ( Yuwa and Nowa)
Sport Swimming
Strokes Butterfly, Individual medley
World champion 2013 (400m IM), 2015 (400m IM)
Olympic Wins One bronze (2016)
Personal Bests 51.89 (100m butterfly), 1:48.24 (200m butterfly short course)
Club Energy Standard, JSS Moroyama
Coach Takayuki Umehara (club), Norimasa Hirai (National)
Team Team Japan
Status Active
Hobbies Watching movies
Net Worth $1 million
Affiliated Brands Air Nippon
Social Media Facebook, Twitter
Website N/A
Merch Swimwear, Tokyo Olympics 2021
Last-Update January, 2024

Daiya Seto: Early Life & Family

Daiya was born on 24 May 1994 in Moroyama, Saitama, Japan. There is not much information regarding his parents and siblings.

Likewise, he started swimming at the tender age of 5. He began participating in national swimming competitions in elementary school. 

As a kid, he learned both Football and Swimming. But he later found swimming more interesting and went into it full-time.

Well-known swimmer Kosuke Hagino was his rival since both were kids. But for the childhood mates, the world rival does not mean an arch-nemesis but comrades fighting together for a similar goal. 

The comrades first met at the summer national tournament in elementary school. Hagino was popularly known as a “genius swimmer” and was left defeated in the competition.

He later defeated Haino at the 400m individual medley. The friendly rivalry later blossomed into a friendship.

As of now, both have grown into top Japanese swimmers, but their friendship is still intact.

>>>Also read: Caeleb Dressel Bio: Tokyo Olympics, Wife & Medals >>

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.

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