One Sky  ~ Feel ONE Light. Feel ONE Wind. Feel ONE Passion. ~

At Kasumigaura Marathon, everyone can be a "Hero".
No matter if you are a runner, a spectator, or a supporter, each one of you can be a "Hero".
Taking hand in hand, these heroes, two different cities, locals, disabled runners, guide runners, and volunteers can make ONE big circle together.
This is Kasumigaura marathon, one and only form of the marathon.

Kasumigaura Marathon and International Blind Marathon Organizers

Kasumigaura Marathon Organizing Committee, Tsuchiura City, Kasumigaura City, Japan Blind Marathon Association, Japan Sports Association for the Disabled, Japan Paralympic Committee, Ibaraki Athletic Sports Association, Tsuchiura Council of Social Welfare,  Kasumigaura Council of Social Welfare,The Mainichi Newspapers, Sports Nippon Newspapers

Managing Organization

Ibaraki Athletic Sports Association

Supporting Organizations

Japan Sports Agency, Japan Tourism Agency, Ibaraki Prefecture, Ibaraki Prefectural Board of Education, Tsuchiura Medical Association, Tsuchiura Chamber of Commerce and Industry, Kasumigaura Chamber of Commerce and Industry, Tsuchiura City Tourist Association, Kasumigaura City Tourist Association, Ibaraki High School Athletic Federation, Kasumigaura River Office of Ministry of Land, Infrastructure, Transport and Tourism, Water Resources Organization Tonegawa Downstream General Management Center,Lake Kasumigaura Fisheries Cooperative Association, Tsuchiura District Governors Federation, Kasumigaura City and Ward Mayors Association, Kasumigaura-Kitaura Marine Product Processing Cooperatives Kasumigaura City Brunch, IBS Co.,Ltd., Ibaraki-ken Nambu Mainichi association


Tsuchiura Police Station, Tsuchiura Civil Engineering Office, Japan Ground Self-Defense Force (JGSDF) Camp Kasumigaura, Japan Post Co., Ltd., Tsuchiura Post Office, Post Offices of Ibaraki South District Liaison Committee, East Japan Railway Company, Nippon Telegraph and Telephone East Corporation Ibaraki Branch, Suigo Tsuchiura Agricultural Cooperative Association, Tsuchiura City Fire Squad, Kasumigaura City Fire Squad, Tsuchiura City Sport Promotion Council, Kasumigaura City Sport Promotion Council, Tsuchiura City Women’s Group Coordinating Committee, Kasumigaura City Regional Women’s Group Coordinating Committee, Japanese Red Cross Society Tsuchiura City District Community Service Group, Tsuchiura District Traffic Safety Association, Tsuchiura District Traffic Safety Association Tsuchiura Branch, Tsuchiura District Traffic Safety Association Kasumigaura Branch,Kanto Railway Co., Ltd., Kantetsu Kanko Bus Co.,Ltd., Ibaraki Toyopet Corporation, Kasumigaura Problem Meeting, J:COM Ibaraki, Sunflower Circle, Tsuchiura Hotel and Ryokan Cooperative Association, Tsuchiura Tourism product Association, Lions Clubs International District 333-E 4R1Z, Tsuchiura City Organization for the Disabled Persons (Children), Tsuchiura Association for the Visually Impaired, Tsuchiura Acupuncture and Massage Association, Ibaraki Judo Bone Setter Association, Tsuchiura Ouka Lions Club, Tsuchiura Rotary Club, Rotaract Club, Ibaraki Walking Association, Boy Scout Ibaraki 5th Group, Japan Medical Joggers Association, Ibaraki Wheelchair Racing Association, Ibaraki Cycling Federation, J-Kawasaki, Japan Mountain Bike Association Ibaraki Branch,Tsuchiura Recreation Association.

Special Sponsor

Hitachi Construction Machinery Co., Ltd.


  1. Full Marathon (42.195 km)
  2. 10 Mile Run (approx. 16.09 km)
  3. 5km Run

Date & Time

Sunday, April 18, 2021 – Rain or Shine!

10 Mile Run

  • Wave1:9:20am
  • Wave2:9:25am

Full marathon

  • Wave1:9:45am
  • Wave2:9:50am
  • Wave3:9:55am
  • Wave4:10:00am

5km Run / 10:30am

Event Venue

J:COM Field in Kawaguchi Athletic Park, Tsuchiura City in Ibaraki Prefecture (Five-minute walk from the east exit of JR Tsuchiura Station.)

Maximum Number of Entrants

【General Division】

  • Full Marathon / 12,000 Runners (First-come basis)
  • 10mile Run / 5,000 Runners (First-come basis)
  • 5km Run / 1,000 Runners (First-come basis)

【Visually Impaired Division】

  • Full Marathon / No limit
  • 10mile Run / No limit
  • 5km Run / No limit

【IPC Registration Division】

  • Full Marathon / No limit

Time Limit

  • Full Marathon / 6 hours (2 hours and 15 minutes at 17km mark,4 hours and 10 minutes at 28.5km mark )
  • 10mile Run / 2 hours
  • 5km Run / 40 minutes
Participants who miss cut-off times for each checkpoints or the goal will be disqualified from the race. If you receive a stop instruction, please remove your race number card. Choices will be given either to continue along the side of the road obeying all pedestrian laws, or to be picked up by an official bus for the participants.


The start/finish lines are located at Kawaguchi Athletic Park area. Midpoint is ahead of Kasumigaura City Folk Museum and the course goes along the shores of Lake Kasumigaura.

Official Recognition

Japan Association of Athletic Federations (JAAF) approved event Japan Association of Athletic Federations (JAAF) approved course World Para Athletics (WPA) approved event *An athlete participating in the IPC Registration Division, needs to have a registered IPC Athletics License and to hold an international class prior to this competition for his/her results to be officially recognized for rankings and records of WPA.

Competition Rules

The races will be conducted in accordance with the rules and regulations set forth by the Japan Association of Athletics Federations (JAAF), World Para Athletics (WPA) and this competition.


General Division / Top three finishers for each male and female Visually Impaired Division*
  • B-1 / Top three finishers for each male and female
  • B-2 / Top three finishers for each male and female
  • B-3 / Top three finishers for each male and female
*IPC: Athletes in the IPC Registration Division are eligible for the Visually Impaired Division award.


Any healthy person age 16 or older on the day of the event for all 3 races. Must live in JAPAN and have no history of traveling abroad within one month before the event date.

Entry Fee

  • Full Marathon / JPY 7,000
  • 10mile Run / JPY 5,500
  • 5km Run / JPY 3,500
(Including JPY200 donation to the Lake Kasumigaura water purification activities fund and guide dogs training support subsidy for the blind.)

Entry Application

Click here for application terms.

Application Period

Wed, December 9, 2020〜Fri January 15, 2021

Flow from application to competition

February5, 2021

Announcement of whether it can be held We send payment information. The payment will be due on February 12, 2021

Early Aplil

We send
  • Number card
  • Timing chip
  • Participation prize
  • Information 

Race Day Sunday, April 18, 2021

There is no check-in, so please line up by the start time ※We will adopt a wave start for the Full marathon and 10 miles. Please line up at the meeting place from 15 minutes before the start time. ※ We will not adopt a wave start for 5 km. ※When you line up, please keep a distance of at least 1m from the runners on the left, right, front and back.  

Other Information

  • Participants shall be responsible for taking full control of your own health care. Please try to be in the best physical conditions possible and get a medical checkup prior to the event.
  • Participants who are determined unfit to continue the race by a competition officer may be disqualified.
  • Entry fees will not be refunded in the case of event cancellation due to conditions beyond the control of the organizers.
  • The organizers will not be responsible for delayed arrival of participants on the day of the race due to public transport or road traffic conditions.
  • Wearing or displaying any designs and trademarks representing company/brand names and such for advertising purposes within the event venue or on the courses is prohibited.
  • Participants shall comply with instructions by the organizers regarding any event-related matters not covered abo

About Ibaraki

Ibaraki is close to Tokyo, and the distance ranges from 30 to 150 km (100 km from Mito, the prefectural capital). Since time immemorial, Ibaraki has been endowed with gifts from the mountains and the sea. We want you to enjoy Ibaraki experience other than Marathon! If you need a travel plan for group, please send email to us. email:

English ver.

Chinese ver.


mizuno POCARISWEAT ローチケ
中川ヒューム管工業㈱ 三菱商事