I’ve not read all of this but did do my 1st solo at Mayhem last year. So in no particular order:
Didn’t really have a specific training plan other than my usual weekly riding and xc racing. The longest rides I did were circa 5/6hrs with one 10hr blast along the SDW which actually worked quite well due to the climbing. But mainly I was in the 2-4hr bracket but 3+times a week.
After 12hrs it’s mental, prepare yourself for the low point, I expected mine at about 3am it came at 2.36am! Keep eating and drinking, I used flat coke and sprite and alternated with water, used real food until about the 18hr point when I finally had to start on gels and energy bars. IMO if you start on gels and bars/drinks too soon your body could start to reject them, stomach cramps etc! Each to their own though and you’ll need to know what suits you fuelling wise before you start. Me fig rolls, bananas were the way forward.
The best advice I had was from Mr Page (24hr European champ, Mayhem winner) and that was don’t stop! My pits were literally 3-5mins tops, grab a bottle, a bite of a sandwich, porkpie, go go go. My longest stop was 8 mins for a change in shorts and a quick curry! Some get their times down less than that. But if you can, keep moving once the engine is warm keep it ticking over!
On the hills which Mayhem had lots (2more laps and I would have climbed Everest in 24hrs)after about 10hrs I picked 2 small parts to walk on (I was running a ridiculous gearing 30-42, 11-36 on a 29er)it just allowed me to stretch out and was faster than riding by that point anyway.
FWIW the course was the worst I’ve seen at Mayhem IMO and I wouldn’t solo there again, would try Bonty or Exposure but not this year!
Oh and for the record I did 17 laps and came 7th on my 1st 24hr solo attempt.
P.S. For me the in hindsight the riding was the easy bit, it was the feeling utterly chinned for 2 weeks after with little feeling in hands and feet and still not back to normal on a bike for about 6 weeks.
P.S.S take a spare bike so your pit team (aka the long suffering wife) can clean the mud etc off re-lube whilst you keep going!