Kiyomi Niwata (Japanese: 庭田清美, born 10 December 1970 in Ushiku, Ibaraki Prefecture) is a professional triathlete from Japan, triple Olympian (Sydney, Athens, Beijing), multiple National Champion (2004, 2005, 2006), Asian Aquathlon Champion and Oceanian Triathlon Champion of the year 2009, and one of the most seasoned triathletes ever.
Kiyomi Niwata and Anja Dittmer are the only triathletes who took part in all three Olympic triathlons.In Sydney and in Athens Niwata placed 14th, in Beijing 9th. She is coached by Col Stewart.
In the 14 years from 1997 to 2010, Kiyomi Niwata took part in 99 ITU competitions, which seems to be an unbreakable record in itself, and achieved 39 top ten positions. In 2010, as a veteran at the age of 39 years, she still belongs to the world elite, takes part in the Dextro Energy World Championship Series together with Ai Ueda, and she won for instance the gold medal at the World Cup in Ishigaki. The following list is based upon the official ITU Profile Page.[1] Unless indicated otherwise, all competitions are triathlons (Olympic Distance) and belong to the Elite category.
| Date | Competition | Place | Rank |
|---|---|---|---|
| 1997-04-13 | World Cup | Ishigaki | 6 |
| 1997-04-27 | World Cup | Auckland | 15 |
| 1997-06-29 | World Cup | Monte Carlo | 22 |
| 1997-07-06 | World Cup | Gamagori | 2 |
| 1997-09-21 | World Cup | Hamilton | 12 |
| 1997-10-12 | World Cup | Cancun | 27 |
| 1997-10-26 | World Cup | Sydney | 26 |
| 1997-11-16 | World Championships | Perth | 28 |
| 1998-04-12 | World Cup | Ishigaki | 10 |
| 1998-04-26 | World Cup | Sydney | 17 |
| 1998-06-21 | World Cup | Zürich | 24 |
| 1998-07-12 | World Cup | Gamagori | 5 |
| 1998-08-02 | World Cup | Corner Brook | 19 |
| 1998-08-09 | World Cup | Tiszaújváros | 9 |
| 1998-08-30 | World Championships | Lausanne | 35 |
| 1998-09-27 | World Cup | Cancun | 10 |
| 1998-11-01 | World Cup | Auckland | 9 |
| 1998-11-08 | World Cup | Noosa | 18 |
| 1999-04-11 | World Cup | Ishigaki | 16 |
| 1999-04-18 | World Cup | Gamagori | 18 |
| 1999-05-02 | World Cup | Sydney | 31 |
| 1999-06-13 | World Cup | Kapelle-op-den-Bos | 18 |
| 1999-06-26 | World Cup | Big Island | 15 |
| 1999-07-11 | ASTC Asian Regional Championships | Sokcho | 4 |
| 1999-09-12 | World Championships | Montreal | 31 |
| 1999-10-10 | World Cup | Cancun | 25 |
| 1999-11-07 | World Cup | Noosa | 23 |
| 2000-04-01 | World Cup | Big Island | 14 |
| 2000-04-09 | World Cup | Ishigaki | 8 |
| 2000-09-16 | Olympic Games | Sydney | 14 |
| 2001-04-15 | World Cup | Gamagori | 19 |
| 2001-04-22 | World Cup | Ishigaki | 14 |
| 2002-03-31 | World Cup | Geelong | 9 |
| 2002-05-19 | World Cup | Ishigaki | 16 |
| 2002-06-09 | World Cup | Gamagori | 15 |
| 2002-10-06 | World Cup | Makuhari | 17 |
| 2002-11-09 | World Championships | Cancun | 33 |
| 2003-04-13 | World Cup | Ishigaki | 16 |
| 2003-06-15 | World Cup | Gamagori | 11 |
| 2003-07-13 | World Cup | Edmonton | 22 |
| 2003-10-13 | World Cup | Makuhari | 10 |
| 2003-11-23 | World Cup | Geelong | 11 |
| 2003-12-06 | World Championships | Queenstown | 43 |
| 2004-04-11 | World Cup | Ishigaki | 3 |
| 2004-05-09 | World Championships | Madeira | 17 |
| 2004-08-25 | Olympic Games | Athens | 14 |
| 2005-05-01 | World Cup | Mooloolaba | 5 |
| 2005-05-15 | World Cup | Ishigaki | 2 |
| 2005-07-02 | ASTC Asian Championships | Singapore | 11 |
| 2005-07-17 | World Cup | Corner Brook | 3 |
| 2005-07-23 | World Cup | Edmonton | 9 |
| 2005-09-08 | Aquathlon World Championships | Gamagori | 4 |
| 2005-09-10 | World Championships | Gamagori | 13 |
| 2005-10-23 | Asian Cup | Tokyo | 1 |
| 2005-11-13 | World Cup | New Plymouth | 13 |
| 2006-03-26 | World Cup | Mooloolaba | 6 |
| 2006-04-16 | World Cup | Ishigaki | 7 |
| 2006-07-09 | BG World Cup | Edmonton | 8 |
| 2006-07-23 | BG World Cup | Corner Brook | 15 |
| 2006-09-02 | World Championships | Lausanne | DNF |
| 2006-09-24 | BG World Cup | Beijing | 23 |
| 2006-11-12 | BG World Cup | New Plymouth | 22 |
| 2007-03-04 | OTU Oceania Championships | Geelong | 9 |
| 2007-03-25 | BG World Cup | Mooloolaba | 7 |
| 2007-04-15 | BG World Cup | Ishigaki | 14 |
| 2007-06-01 | ASTC Asian Championships | Tongyeong | 4 |
| 2007-06-10 | BG World Cup | Vancouver | 7 |
| 2007-06-17 | BG World Cup | Des Moines | 7 |
| 2007-06-24 | BG World Cup | Edmonton | 9 |
| 2007-07-22 | BG World Cup | Kitzbühel | 4 |
| 2007-07-29 | BG World Cup | Salford | 5 |
| 2007-08-30 | BG World Championships | Hamburg | 21 |
| 2007-09-15 | BG World Cup | Beijing | 48 |
| 2007-09-23 | Asian Cup | Hong Kong | DNF |
| 2008-03-30 | BG World Cup | Mooloolaba | 36 |
| 2008-04-13 | BG World Cup | Ishigaki | 30 |
| 2008-05-02 | ASTC Asian Championships | Guanzhou | 2 |
| 2008-06-05 | BG World Championships | Vancouver | 35 |
| 2008-08-18 | Olympic Games | Beijing | 9 |
| 2008-11-15 | Asian Cup | Hong Kong | 1 |
| 2008-11-16 | ASTC Aquathlon Asian Championships | Golden Beach | 1 |
| 2009-03-01 | OTU Oceania Championships | Gold Coast | 1 |
| 2009-03-29 | World Cup | Mooloolaba | 20 |
| 2009-04-05 | Oceania Cup | New Plymouth | 3 |
| 2009-04-26 | World Cup | Ishigaki | 3 |
| 2009-05-02 | Dextro Energy World Championship Series | Tongyeong | 6 |
| 2009-05-31 | Dextro Energy World Championship Series | Madrid | 25 |
| 2009-06-21 | Dextro Energy World Championship Series | Washington D.C. | 20 |
| 2009-06-27 | Elite Cup | Hy-Vee | 16 |
| 2009-08-15 | Dextro Energy World Championship Series | London | 29 |
| 2009-08-22 | Dextro Energy World Championship Series | Yokohama | 6 |
| 2009-09-09 | Dextro Energy World Championship Series, Grand Final | Gold Coast | 32 |
| 2010-03-27 | World Cup | Mooloolaba | 7 |
| 2010-04-11 | Dextro Energy World Championship Series | Sydney | DNF |
| 2010-04-25 | World Cup | Ishigaki | 1 |
| 2010-05-08 | Dextro Energy World Championship Series | Seoul | 20 |
| 2010-06-05 | Dextro Energy World Championship Series | Madrid | 44 |
| 2010-07-17 | Dextro Energy World Championship Series | Hamburg | DNF |
| 2010-07-24 | Dextro Energy World Championship Series | London | DNS |
| 2010-09-08 | Dextro Energy World Championship Series: Grand Final | Budapest | 40 |
BG = the sponsor British Gas · DNF = did not finish · DNS = did not start