Okurayama Ski Jump Stadium

The Ōkurayama Ski Jump Stadium (大倉山ジャンプ競技場, Ōkurayama Janpu Kyōgijō), also known as the Ōkurayama-Schanze (大倉山シャンツェ, Ōkurayama Shantse) is a ski jumping venue located in the Miyanomori area in Chūō-ku, Sapporo, Hokkaidō, Japan. Owned mostly by Sapporo City,[1] the ski jump is on the eastern slope of the Mt. Okura. The stadium has hosted a number of winter sports events including 1972 Winter Olympics and FIS Nordic World Ski Championships 2007. The area of stadium consists of the Winter Sports Museum, the Ōkurayama Crystal House, and the Mt. Okura Observation Platform, as well as the ski jump.

Ōkurayama
大倉山ジャンプ競技場
LocationMiyanomori area,
Chūō-ku, Sapporo,
Hokkaidō, Japan
Opened1931
Renovated1953, 1970, 1982,
1986, 1996, 1998,
2007
Size
K–point120 m (plastic)
123 m (snow)
Hill size134 m (plastic)
137 m (snow)
Longest jump
(unofficial / fall)
148.5 m (487 ft)
Poland Kamil Stoch
(26 January 2019)
Hill record148.5 m (487 ft)
Poland Kamil Stoch
(26 January 2019)
Top events
Olympics1972
World Championships2007

The stadium has area of 8.2 ha[1] which houses 50,000 people at a maximum during a competition, and the ski jump is categorized as the large hill jump. The total height of the jump hill from the top starting point to the bottom of the slope is 133 metres, also the distance to the K-spot (critical point) is 120 metres.[2]

History

In 1931, the Okurayama Ski Jump Stadium was constructed by Kishichiro Okura with an advice and financial aid of Prince Chichibu, a brother of Hirohito, and was donated to Sapporo after the completion. Another name "Ōkurayama-Schanze" originated with the inauguration ceremony in 1931, when the mayor of Sapporo at that time, Masaharu Hashimoto, named the ski jump as "Ōkura Schanze" after its founder. The term schanze means ski jump in German. The jump and stadium ware designed by Olaf Helset, the president of the Norwegian ski federation.[1]

The stadium was renovated with the national expenditure in 1970, which was to suit in coming 1972 Winter Olympics. After the renovation, the stadium had the K-spot at the point of 110 metres, and was capable of housing 50,000 people.[1] At the same time, the word "yama" ("the mountain" in Japanese) was added to its name, thus the stadium was called the "Ōkurayama Jampu Kyōgijō" (Mt. Okura Ski Jump Stadium) . For the 1972 Winter Olympics, the ski jump was the venue of 90 metres class ski jumping competition.[3]

The ski jump was remodeled many times under advice from the International Ski Federation, and the ski lift toward top of the mountain in 1982, and the distance of the K-spot was extended to 115 metres in 1986, and 120 metres in 1996.

The stadium has been under the jurisdiction of the government of Japan until 1995, when it was switched as a facility under the control of Sapporo. In 1998, the ski jump in the stadium was remodeled to include the Summer Hill, a ski jump which enables skiers to jump even in the summer. Also the ski lift was extended, and lighting was installed for night competitions. In 2005, the monument of the Ballad of the Rainbow and Snow, the theme song of 1972 Winter Olympics, was erected.

Overview

The ski jump in the stadium. The blue line is P-spot, and red line indicates K-spot.

The Mt. Okura Ski Jump Stadium is one of the venues of the FIS Nordic World Ski Championships, and also one of the few 90 metre class jumping hills throughout the world.[2] The maximum inclination of the Approach Slope, the area from the starting point to the take-off ramp with 101 metres, is 35 degrees, and the Landing Slope, the area drew lines of P-spot and K-spot, is 37 degrees.[2] The P-spot was displayed by the blue line on the slope, which indicates the standard points for landing of ski jumping, while the K-spot is partitioned by the red line, and is designated as the area which gives ski jumpers additional points in the case of successful landing.

Visitors must use the moving staircase from the parking lot to the place where the stadium is located. The Ōkurayama Crystal House, a building which houses a souvenir shop and a restaurant, is located near the entrance, and the Winter Sports Museum is located in the other side. The construction of the museum was completed in December 1999, and opened to the public on April 22, 2000.[1] It has 3 stories, and exhibits a number of materials related to the history of skiing, instruments, and media contents. To reach at the Mt. Okura Observation Platform located on the top of the ski jump, it is required to buy tickets to ride the lift toward the Observation Platform at the shop in front of the Ōkurayama Crystal House. Another route, a trail leading to the platform on the side of the ski jump, is also available. The places for observation are located both in the second and third floor, and visitors enjoy the view of the entire ski jump and Sapporo city from a height of 300 metres.[4]

Hill record

Unofficial or absolute records are all jumps that were at that time longer than official records but set in a lower circuit competitions such as continental cup, nationals etc., not actually counting.

DateMetresFeet
11 February 1972 Wojciech Fortuna111.0364
12 January 1980 Bogdan Norčič113.0371
12 January 1980 Hirokazu Yagi113.5371
12 January 1980 Masahiro Akimoto114.0374
22 January 1984 Manfred Steiner114.0374
26 January 1986 Matti Nykänen120.0394
25 January 1987 Primož Ulaga121.0397
15 December 1991 Werner Rathmayr122.0400
20 December 1992 Akira Higashi122.0400
23 January 1994 Jens Weißflog125.0410
19 January 1997 Roar Ljøkelsøy126.0413
19 January 1997 Takanobu Okabe129.0423
19 January 1997 Dieter Thoma134.5441
23 January 1999 Dieter Thoma135.5445
24 January 1999 Martin Schmitt139.0456
25 January 2003 Florian Liegl139.0456
6 February 2005 Risto Jussilainen139.0456
22 January 2006 Roar Ljøkelsøy140.0459
26 January 2014 Andreas Kofler140.0459
25 January 2015 Kamil Stoch140.0459
29 January 2016 Domen Prevc141.0463
31 January 2016 Daiki Itō141.5464
31 January 2016 Anders Fannemel143.5471
12 February 2017 Maciej Kot144.0472
12 February 2017 Stefan Kraft144.0472
26 January 2019 Kamil Stoch148.5487

Unofficial

DateMetresFeet
7 January 1971   Yukio Kasaya112.5369
20 March 1971   Akitsugo Konno114.5376
13 January 1974   Yukio Kasaya115.0377
16 January 1977   Walter Steiner115.5379
15 January 1978   Bjarne Næs118.0387
7 March 1982   Hirokazu Yagi119.0390
16 February 1985   Masahiro Akimoto122.5402
14 January 1990   Anssi Nieminen123.5405
11 January 1992   Masahiko Harada123.5405
7 March 1992   Jinya Nishikata123.5405
24 January 1993   Kenji Suda124.5408
29 January 1994   Noriaki Kasai127.0417
30 January 1994   Noriaki Kasai135.0443
9 March 1997   Falko Krismayr138.0453
1 February 1998   Takanobu Okabe138.5454
1 February 1998   Masahiko Harada140.5461
13 January 2002   Masahiko Harada141.0463
25 March 2005   Yūsuke Kaneko145.0476
11 January 2010   Noriaki Kasai145.0476
21 January 2012   Taku Takeuchi145.5477
21 January 2012   Daiki Itō146.0479
18 January 2015   Anže Lanišek146.5481

Access

Sources

43°3′4.77″N 141°17′24″E / 43.0513250°N 141.29000°E / 43.0513250; 141.29000