2021 Japan Triathlon Calendar (as of June 25, 2021)

open for registration / registration TBA

Ako Triathlon (Hyogo)

Race Day: August 22
Registration: until July 27
S 1.5 | B 40 | R 10 [full]
S 1 | B 30 | R 5
Details

EXTERRA Japan (Gunma)

Race Day: September 18-20
Registration: April 1 to June 30
S 1.5 | MTB 25 | Trail Run 10
S .6 | MTB 10 | Trail Run 4
R 2 | B 25 | R 10
Kids (S .2 | MTB 6 | Trail Run 2)
Details

Sunrise Iwata Triathlon (Shizuoka)

Race Day: September 26
Registration: April 30 – August 15 [only by postal mail]
S 2 | B 70 | R 20
S 1 | B 37 | R 20
No aerobars allowed
Details

Suigo Itako Triathlon (Ibaraki)

Race Day: September 26
Registration: May 12 to July 26 (FCFS)
S 1.5 | B 40 | R 10
Details

Maebashi Triathlon Festa (Gunma)

Race Day: October 3
Registration: From July 1
S .5 | B 16 | R 4
Beginner (S .3 | B 7 | R 2.3)
Kids (S .1 | B 3 | R 1), (S 50 meters | B 1.5 | R .5)
Details | Register 

Kujukuri Triathlon (Chiba)

Race Day: October 3
Registration: from June 23 til full
S 1.9 | B 90.1 | R 21.1
S 1.5 | B 40 | R 10
Details

Kawazu Flower Triathlon (Shizuoka)

Race Day: October 31
Registration: TBA
S 1.5 | B 40 | R 10
・Wetsuit mandatory
Details

scheduled (registration closed)

April 11…Ishigaki Triathlon (Okinawa) 
April 25…ASTC Asia Triathlon Championships Hatsukaichi (Hiroshima)
May 16…Yokohama International Triathlon (Kanagawa)
June 6…Sai no Kuni Specialized Cup (Saitama)
+++
June 27…Aquathlon Splash and Dash in Onoura (Aichi)

July 18…Lake Haruna Resort Triathlon (Gunma)
July 18…Japan Short Course Triathlon Ako (Hyogo)

August 29…Imabari Triathlon (Ehime)

September 12…Triathlon Irago (Aichi)
September 12…Sunport Takamatsu Triathlon (Kagawa)
September 19…
Amakusa Takarajima International Triathlon (Aichi)
rescheduled from June 6
September 26…Nagaragawa Middle Triathlon 102 (Gifu) rescheduled from May 23

October 10…Chiba City Triathlon (Chiba) [registration extended to June 27)

cancelled or postponed

Tomakomai Hasukappu Triathlon (Hokkaido)
Ajigawsawa Triathlon (Aomori) 
Taiheiyo Triathlon in Iwaki (Fukushima)
Maebashi Mini Triathlon (Gunma)
Teganuma Triathlon (Chiba)
Love Triathlon (Hyogo)
Nanki Shirahama Triathlon (Wakayama)
Biwako Triathlon in Omi Hachiman (Shiga)
Osaki Kamijima Triathlon (Hiroshima)
Triathlon Sagishima (Hiroshima)
Hatsukaichi Miyajima International Power Triathlon (Woodman) (Hiroshima)
Miyakojima Triathlon (Okinawa)
Ainan Triathlon (Ehime)
Fukuoka Triathlon (Fukuoka)
Nagasaki Saikai Triathlon (Nagasaki)
Goto Nagasaki International Triathlon (Nagasaki)
Triathlon in Tokunoshima (Kagoshima)
Nijima Triathlon – Tokyo Island Series (Tokyo)
Suwako 8 Peaks Triathlon (Nagano) [postponed to 2022]
Sado International Triathlon (Niigata) 
Izu Ohshima Triathlon – Tokyo Island Series (Tokyo)
Lake Biwa Triathlon in Moriyama (Shiga) [postponed date TBA]
Yusuichi Fureai Triathlon (Gunma) [cancelled]
Nagaragawa Middle Triathlon 102 (Gifu) [postponed to Sep 26]
Kisakata Triathlon (Akita) [cancelled on April 30; was scheduled  for July 18]
Triathlon Suzu (Ishikawa) [cancelled on May 12]
Miyagi International Triathlon – Sendai Bay Shichigahama (Miyagi) [cancelled on May 12]
Kiso Sansen Triathlon (Gifu) [cancelled on May 17]
Miyazaki Sea Gaia Triathlon (Miyazaki) [cancelled on May 19]
Kisarazu Triathlon (Chiba) [cancelled on May 20]
Notojima Triathlon (Ishikawa) [cancelled on May 21]
Igosso Aquathlon (Kochi) [cancelled on May 21]
Showa Kinen Koen Triathlon (Tokyo) [cancelled on May 22]
Utsukushima Triathlon in Aizu (Fukushima) [cancelled on May 25]
Nojiriko Triathlon (Nagano) [postponed on May 27 from July 4 to September 5]
Watarase Triathlon (Tokyo) [cancelled on May 29]
Gamagori Orange Triathlon (Aichi) [cancelled on May 31]
Sagae Triathlon Festival (Yamagata) [cancelled on May 31]
Nagaragawa International Triathlon (Gifu) [postponed on June 1 from July 18 to September 19]
Izena 88 Triathlon (Okinawa) [cancelled on June 1; was scheduled for Nov 7)
Murakami Triathlon (Niigata) [cancelled on June 2; was scheduled for Sep 26)
Kasumigaura Triathlon Festa (Ibaraki) [cancelled on June 2; was scheduled for Fall 2021]
Ise Shima Triathlon (Mie) [cancelled on June 15; was scheduled for July 4]
Kaike Triathlon (Tottori) [cancelled on June 15; was scheduled for August 29]

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