 Jenner's best events were on day two of the decathlon: hurdles, discus, pole vault, javelin  and 1500 meters.
<fluency>  Jenner's best events were on day two of the decathlon: hurdles, discus, pole vault, javelin  and 1500 meters.
 Jenner's best events were on day two of the decathlon: hurdles, discus, pole vault, javelin , and 1500 meters.