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⇨ Previous Okawa's know-how "Explanation of lunges" • Introducing Okawa, the father of falls! Running with a floating feeling is ultimately faster! Explaining the technique [Athletics] ★Okawa's Instagram / sprinter_okawa ★Haraken's event summary http://arunners.org/event/ ★SPRINTEST Instagram / sprintest100m ★Ken-chan's Twitter / arunners_ Ken-chan's Instagram / k.oonuki ★Kanehiro-san's Instagram / shunsoku.kane ★Shibata's Instagram / harut_f - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 【SPRINTEST Sponsors】 ★Main sponsor Tres Inc. A fully custom apparel brand for T-shirts, uniforms, and more! Recommended for creating team goods! https://tres.co.jp/running/ ★Sponsor Tokyo Seiwa Law Office A lawyer who loves sprinting and deadlifts! https://www.t-seiwa.com ・TT Master Easy photo judging with your smartphone! https://ttmaster.net ・Daimatsu Transport Co., Ltd. Transportation business from Kanagawa Prefecture! We are also recruiting athlete employees! https://www.t-daimatsu.com/recruit/at... ・Tsurukame Acupuncture Clinic Treatment of athletic injuries such as Achilles tendon pain, shin splints, and plantar fasciitis! http://turukame.tokyo ・LIMITLESS HONEY Additive-free, pesticide-free honey recommended for athletes! https://www.instagram.com/limitless_h... ・SEV SPORTS A necklace made from a combination of natural minerals and metals that you can feel the effects of! https://www.sev-sports.com ・Strong Bar Protein supplement for those who are serious about their health! https://strongheart.jp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [Ken-chan's personal training information] http://arunners.org/personal/ [Ken-chan's elementary school running class] http://a-plus.life/aplus/ [Ken-chan's website "α Runners"] http://arunners.org