12時44分。スタート地点の西新宿東京都庁第一庁舎前
飯田橋へ辿り着くとコースは右へ折れ、その後左、右、左
さて日本橋COREDOを左折すると、フルのランナー達
雷門を後にするとランナーは江戸通り(国道6号)を南下
清洲橋通りにへ戻ると、残りは17キロ弱だ。往路と同じ
今回の私の試走はここまで。本番のレースではこの後数寄
当日の応援が今から待ち遠しい。
On December 29, 2016 I test-ran the new course of Tokyo Marathon 2017. I am not running the race officially because I didn't win the lottery, but some of my running friends are running it, and I wanted know the course well. I believe I can imagine runners' joy and pain alike if I have actually run the course. That's the primary reason for this project. But also I have another reason for running it. I have two big races scheduled in January, 2017. One is a half marathon. The other is a full. And I wanted to be accustomed to a distance close to the full distance. So I decided to run the first 30 K. Most of the new sections are in the first 30 K, and the remaining 12.195 K is pretty much the same as the first half of the old course, so I skipped it this time.
I left the start line outside the Tokyo Metropolitan Government building at 12:44 pm. The first several miles are more or less going down. There is no major uphill, so for most runners, it will be the most pleasant part of the race. The first big difference between the new and old course is that while the old course would keep going south after turning right in Iidabashi, the new one goes east till you hit Chuo Dori Street. Once you this most iconic street of Central Tokyo, you keep going south till you reach Nihonbashi COREDO, which is the 10 K mark in the new course.
One thing I learned after running the first 10 K is that you get stopped by traffic rights so frequently without any traffic regulation. The situation was worst in Shinjuku. But farther away from this crowded town, the situation gradually got better. Leaving Nihonbashi behind, the next landmark was the Kaminarimon gate in Asakusa, which is the 15 K mark. The section between these two towns consists of five streets: Eidai Street, Shin-Ohashi Street, Kiyosubashi Street, Edo Street, and Kaminarimon Street. All of them are almost completely flat, and do not present any major challenge to runners.
Once your reach Asakusa, you chuck a uey, and go back into Edo Street and continue down south till you hit Kuramaebashi Street and turn left. You go over a fairly long bridge as you see the Tokyo Skytree far ahead on the right. You soon get to Kiyosumi Street with Koyozuna Park on your right. You turn right there and go down south. The next landmark is Tomioka Hachimangu Shrine in Monzennakacho, which is the halfway point. Among all the sections in the new course this is the one that needs the greatest caution, in my opinion. Here is why. There are many small bridges, which give the course slight undulation. Between 15 and 20 K most runners, when reasonably well-trained, don't usually experience much leg pain. It will come much later, mainly after 25 K. When you are less experienced, though, you cannot easily anticipate at this stage of the race that kind of pain can come all of a sudden. So you can pick up the pace through those ups and downs without realizing it can take a toll on your legs later on. Another thing runners must not forget is that after chucking a uey at the halfway point, they must go back the same route that has the same ups and downs as the way to the halfway point. I can imagine a whole bunch of runners suffering Charlie horse along the way up Kiyosumi Street. The Kuramaebash bridge across the Sumida River will feel like the longest bridge ever to runners with damaged legs.
My small piece of advice to marathon virgins and inexperienced full-marathon runners for that matter is simple: Don't think of the real halfway point as your halfway point. Set your own psychological, and strategic halfway point somewhere else. The 25 K point after overcoming the Kuramaebashi Bridge and all the other small ones along Kiyosumi Street may be a good one. Anyhow, runners should go easy until they cross the Kuramaebashi bridge, saving their legs and as much energy as possible for the last phase of the race.
The 25 to 30 K mark is almost flat. Much of this section is the same as the route from Nihonbashi up to Asakusa. But there is this excitement associated with the feeling of going back to Central Tokyo when you run this section again. You feel most excited when you come back to Chuo Street as you leave Eidai Street behind. The street is suddenly livelier with decorative facades of stylish department stores and ostentatious entrances to powerful skyscrapers and so on. When I finally reached the gateway to the Ginza shopping district, it was way past 4 pm, much much later than my originally scheduled arrival time. But I was satisfied. I could have gone another 12.195 K if I had tried perhaps. But I called it a day. I knew what the remaining part of the course was like, at least geographically. Of course, in real life the toughest experience always comes in this last phase. So strictly speaking I have no right to make any judgement about the new course until I run the whole course without a break someday. But nevertheless, I now have a fairly good picture of it with my hands-on experience at least regarding the first 30 K, so I should be able to cheer them on when people run the race next February.
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