Do not fixate on the rear tire directly in front of you. Keep your gaze looking through or past the lead rider to anticipate road hazards and changes in pace.
When it is your turn to lead, maintain a consistent pace. A common mistake is accelerating too hard when you hit the front, which can break the group apart. My Bike
If you need to stand out of the saddle to climb, do so smoothly. Many riders accidentally "kick" their bike backward when standing, which can hit the rider behind them. Safety Checklist Before You Ride Do not fixate on the rear tire directly in front of you