Is a groad bike too slow for group gravel rides?

On fast, smooth gravel group rides, a groad bike will be at a disadvantage compared to lighter, race-oriented gravel bikes. The wider tires create more rolling resistance, the upright position adds aerodynamic drag, and the heavier bike accelerates more slowly. However, on rides that include technical or rough sections, the groad bike's capability advantage can offset its speed disadvantage. For fast group rides, consider a second set of 700c wheels with 35-38mm tires to reduce the penalty.