The Intel ones are quite a bit easier, but still not as easy as a PC. You need to disable some FW security settings to allow for a non Apple kernel to boot.

The winner finished in 19 ish hrs, I was at 30.5. The first 40 mi were easy to keep a pace for around 24hr, but then as the legs got tighter, the weather cooler and wetter I couldn’t keep the pace up and had to walk the up hills.