QUICK VERDICT
Group rides build race skills and motivation. Solo builds structured fitness. Optimal: 1-2 group rides per week, remaining sessions solo with structure.
CHOOSE GROUP RIDES IF
CHOOSE SOLO TRAINING IF
RELATED COMPARISONS
Full article
The long-form piece that backs this comparison.
Indoor Cycling Upgrades Worth Buying, and the Friction That Stops You Riding
VO2 Max Intervals: Why Pacing Decides Whether They Work