Age Group

Triathlon has been widely adopted to compete by age group which means in 5 -year intervals in every discipline. 

adopt   /ə'dæpt/　v)採用する

interval   /'ɪntəvl/　/’ɪntərvl/　noun   2つの空間･時間的間隔、休止期間

★ a period of time between two events

・The interval between major earthquakes might be 200 years.

・He knocked on the door and after a brief interval it was opened.

discipline   /'dɪsəplɪn/　noun   訓練、自制･自律心

★ the practice of training people to obey rules and orders and punishing them if they do not; the controlled behavior or situation that is the result of this training

・The school has a reputation for high standards of discipline.

・Strict discipline is imposed on army recruits.

・harsh/rigorous/rigid/iron discipline

・She keeps good discipline in class.

・to instill/enforce/impose/maintain discipline

・Lack of discipline at home meant that many pupils found it difficult to settle in to the ordered environment of the school.

・a serious breach of discipline

reputation   n)評判･うわさ･名声

impose　v)強制する

harsh　adj)ざらざらの･不快な･厳しい･過酷な

rigorous　/'rɪgərəs/　リｶﾞﾚｽ　adj)厳格な

rigid　/'rɪdʒɪd/   adj)物が固くて曲がらない･頑固な･厳格な

instill　/in’stɪl/　v)点滴する、主義感情などを徐々にしみ込ませる

enforce

meant

pupil

breach