Riyandi2013-01-092013-01-092013-01-09Wahono, M.Sihttp://repository.unri.ac.id:80/handle/123456789/1271Pengaruh Metode Latihan Interval 50 Meter Terhadap Kecepatan Lari Siswa Putra Ekstrakurikuler AtletikPENGARUH METODE LATIHAN INTERVAL 50 METER TERHADAP KECEPATAN LARI SISWA PUTRA EKSTRAKURIKULER ATLETIK SMAN 2 BATAM Riyandi1, Drs.Ramadi,M.Kes,AIFO2, Drs.Slamet,M.Kes,AIFO3 PENDIDIKAN JASMANI KESEHATAN DAN REKREASI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS RIAU Abstract This research is experimental research. It is conducted to the male students of extra classes of SMAN 2 athletic, Batam. The data is collected by the free test and post test of 50 meter interval training. The data collection is descriptive analyses. The result of identification of problem showed that male students of extra classes of SMAN 2 athletic, Batam have had 100 meter run speed yet. The problem is caused by less of practice to the technique. In addition, the schedule of training is not systematic and well prepared. The formulation of the problem is “is there any effect of 50 meter interval training method to the 100 meter run speed of male students of extra classes of SMAN 2 Batam? The hypothesis shows that “there is an effect of 50 meter of interval training to the 100 meter run speed method of the male students of extra classes of SMAN 2 Batam”. This research is aimed to know the effect of 50 meter interval training to the 100 meter run speed of the male students of extra classes of SMAN 2 Batam. The result of the analyses showed that there is any significant effect of 50 meter interval training (X) to 100 meter run speed (Y) of the male students of SMAN 2 Batam. The analyses of t-Test found that t-arithmetic is 9,14 and t-table is 1,761. Because of t-arithmetic higher than t-table, thus get the concluison that HO is rejected and H1 is accepeted. The enchacement of overall avarage 0,48 after testing with t-test is showed that t-arithmetic higher than t-table, so that this training is called showed significansess on 100 meter run speed after 16 times practicing.en-US50 meter interval training100 meter run speedArticle