8th Geo Park Izu-Oshima Orienteering Event
Bulletin 2Highlights of the Event◆

Izu-Oshima is a one of a kind, and one of the most complex terrains in Japan!

◆M21A/W21A classes are national ranking races, and M20A/W20A are junior ranking races. Visitors have a change to race against the best
Japanese orienteers!

◆Please also enjoy Izu-Oshima to the fullest, from its beautiful scenery to delicious dishes!

Event Overview
DateRace information｜Dec. 17,2023 (Sun)
Canceled in event of hazardous weather only

MapGeo Park Izu-Oshima Ura Sabaku・Okuyama Sabaku

Terrain｜Izu-Oshima Ura Sabaku・Okuyama Sabaku(Oshima, Tokyo)（Standard ISOM2017-2, updated in 2023）

Scale｜ 1:10000

Contour interval｜ 2.5m

Organizer｜ES Kanto Club

Runnability｜ 4 color-scale

Map size｜ A3（subject to change）

Event Director

Ryo Ikuta

Event Secretary

Mana Nakamura

Sports Director

Kosuke Tachibana

Course Setter

Tatsuya Fujisawa◆

Point orienteering (Long Distance）

Event Advisor

Fumichika Tanino◆

Punching system: EMIT

Format and punching system（May use your own E-card）

Partner｜Oshima Tourism Association

Terrain Profile
Main Sponsor| Oshima-machi

Oshima is the largest of the nine islands of the Izu Island Chains. The terrain
is located at the foot of Mt. Mihara, which stands at the heart of the island.

Sponsors｜Tokai Kisen Co., Ltd.

The entire terrain is covered with complex features created by lava from past

Kabushikigaisha Tubak

eruptions of Mt. Mihara., making it one of the most complex terrains

Umi no sei Kabushikigaisha

throughout Japan. The terrain consists of a forest area of shrubs with lowrunnability and low visibility, and a desert area with high runnability and highEvent center｜Oshima Hot Spa Hotelvisibility. The ratio is approximately 1:3.

（3-5, Kitsunba, Senzu, Oshimamachi, Tokyo, 100-0103）

You can also spot a rich fishing ground nurtured by the Black Current from◆

The main hall is available for waiting space from early morning

the terrain. We hope you will be able to enjoy the deep ultramarine ocean◆

Breakfast (buffet) and lunch (bento) are available. Pleaseview. If you are lucky, you may encounter large sea-mammals such asorder at the time of entry.

whales and dolphins during your voyage. Please enjoy the surreal experience,

Competitors may use the hotel spa after their race. Payment

from orienteering in the desert to the ocean and of course, sightseeing.

◆shall be made on the spot to the organizer on 12/17.
◆A family space will be prepared for families withinfants/toddlers. However, please keep an eye on yourchildren at all times, as the organizer will not be monitoring
the family space.

Course profile

Entry

CourseJapanNational
rankingclasses
ング
対象クラス
JapanNational
20Eclasses

Age limits

GenderLengthWinning(approx.)

time

Form of entry

M21A19 or older

M

10 km

75 minPlease enter through Japan-O-entrY
https://japan-o-entry.com/event/view/1371

W21A

19 or older

F

8 km

75 minThe deadline is November 3rd (Sun) JST.

M20A

(Univ. freshmen, sophomores/M

6 km

55 minWe plan to accept late entries until November 17th (Sun) JST. Entry

16～20 yrs. old
may be closed early if the number of entries exceed the organizer’s

Experienced high schoolers)

16～20 yrs. old
W20A

expectations, to ensure smooth event operation and in light of(Univ. freshmen, sophomores/F

5 km55 minenvironmental protection.

Experienced high schoolers)

M21AS

21 or older

M

6 km

60 min

M35A

35 or older

M

6 km

70 min

M55A

55 or older

M

5 km

60 min

M70A

70 or older

M

3 km

40 min18 or younger
M18A(High schoolers, experiencedM

4 km

40 minF

5 km

60 minmiddle schoolers)

W21AS

21 or older

Competitors as well as team coaches and staffs planning to attend the2025 Deaflympics are not allowed to enter this event.

FeesAdults｜ JPY 5,000 (late entry +JPY1,000)

Univ. students｜ JPY 4,000 (late entry +JPY500)Mid/High schoolers ｜ JPY 1,500
Below elementary school ｜ JPY 800
・When entering B classes as a group, please pay for each member.

W35A

35 or older

F

5 km

65 min

W60A

60 or older

F

3 km

40 min(High schoolers, experiencedF

4 km

50 minmiddle schoolers)

BLBS｜＋ JPY 300

Printed Program ｜＋ JPY 500

18 or younger
W18A

E card rental
Printed Results｜＋ JPY 500*Paper versions of the program/results posted on the organizer’s HP will be

No limits-No limits

-

4 km
3 km

45 min30 minsent to the registered address. (Domestic service only)

Breakfast buffet｜＋ JPY 1,400

Lunch bento｜＋JPY 900

A classes require precise map reading and navigation skills. B
classes are for runners with less orienteering experience, and are

Please make payments via Japan-O-entrY at the time of your entry.

welcome to be ran in groups.

Credit cards are accepted.

Please register to appropriate classes to ensure your safety.
Entry to M/W21A may be subject to screening. Please submit
notable past results along upon entry for the organizer to examine.
Some participants may be asked to run M/W21AS class instead.
Courses may be broken up to two or more lanes depending on thenumber of entries.
Female runners are allowed to participate in Male classes.

Schedule (subject to change)
Arena open

6 : 00First start

9 : 00Finish close

12 : 30

CautionWe recommend clothing that cover torso as well as both arms andlegs to avoid injury from exposed sharp volcanic rocks.
Please make sure to bring your health insurance documents.
Doping is strictly forbidden. The Japan Anti-Doping Code applies tothis event.

Access and accommodation
To Oshima
Access to Oshima is limited. Please reserve your tickets at yourearliest convenience.
We also recommend touring around the island the day before orafter the race!
By sea (Large Passenger Ship, High-Speed Jet Ferry (Tokai Kisen))https://www.tokaikisen.co.jp/en/time_price/guide/By air (New Central Airservice）
https://www.central-air.co.jp/en/timetable.html
Please refrain from using the Sunday morning High-Speed Jet
Ferry as the schedule conflicts with the start times.

From port to event center
The organizer will prepare buses to the event center on Sunday
morning, connecting to the arrival of the Large Passenger Ship. We
will also prepare buses from Motomachi for participants arriving theday before.
------Buses to the departure port is also available after the race.
------Fare collection:
Bus fares for the event buses will be collected on the day of theevent in cash. Further detail will be announced in Bulletin 3.
Oshima Bus Free Passes (1-day/2-days) cannot be used.

Accommodation
Oshima Tourism Association will arrange accommodation.
Please refer to http://www.izu-oshima.or.jp/ .
（8:30 ～ 17:00 ／Open all-year round／☎ +81 4992-2-2177）
The accommodation registration form is uploaded to the event
HP. Please download, fill in and submit to Oshima Tourism
Association.
For non-Japanese speakers, please contact the organizer at thebelow email address for assistance.

Inquiries
Please contact the organizer via email at
izuoshima2023( at )eskantoc.com*Change ( at ) to @Event web page (Japanese only)
https://eskantoc.com/izuoshima2023/

8 t h Ge o P a r k I z u - Oshima Orienteering Event
Bulletin 2.0
Published Sep. 1, 2023