Complex sentence: However, the breakaway group is routinely caught by the peloton, because strong teams come to the front and dictate a harsh pace, while breakaway riders (who are much more exposed to the wind) sequentially succomb to fatigue and get caught.
Split into simpler sentences: However, the breakaway group is routinely caught by the peloton. Strong teams within the peloton always come to the front and dictate a harsh pace, while breakaway riders (who individually must spend much more exposed to the wind than peloton members) sequentially succomb to fatigue and get caught.