https://www.instagram.com/reel/DRPMTo_DZzz/?igsh=b3I5d3JlOXRpYmdq
Martin Fiz is still small and skinny at age 62. Appears only a few kg (2-3kg?) more than his competitive racing weight. That's a big advantage.
Also Fiz is an outlier, with Abel Anton (still fit and slim). Most others, Spanish former stars, are far from their competitive shape, age graded or not.