Well I only made it 2 and a bit laps into the 7 lap 'race'
A combination of a completely seized front mech (oddly, the rear shifting was still flawless) and no brakes (I did still have spare pads, but in those conditions they'd have lasted 5 minutes tops, a nearly new pair of sintered pads, well bedded in (very well bedded in) lasted less than the first lap, and the organics up front weren't doing much better. Going to investigate later why the organics ( not particularly well bedded in, in fact) lasted longer!
Other casualties:
Big stack on the first lap, think I've twisted my knee a bit, came round a sweeping right hander, caught a perpendicular root, and the skill Vs gravity battle ended with me taking a stack into the ground at a fair wack.
Ever watched yourself crash on helmet/bar camera, its quite surreal!
Probably an entire new drivetrain needed, even putoline wax was ground off.
On the plus side, I didn't finish last, It may be costing me an entire new drivetrain, but I climbed 3 places through attrition on the 2nd lap 🙂