Friday, hours after she and her staff inspected the course, Wittenberg decided the five-borough race had to be scrapped.
In the super-G, you inspect the course once and then you have a go at it.
Officials at Exeter were due to inspect the course at 8am due to the threat of further heavy rain.
What's more, the dropoff is so steep that racers who have stopped to inspect the course during practice can perform an unusual trick: they can actually reach straight out and touch the slope with their uphill hand.
The Team Sky leader inspected the course for the road race and time trial back in November, and the former world time trial champion Tony Martin has said that the double Tour winner is the most likely rider to succeed Sir Bradley Wiggins as the time trial gold medallist.
Born in Ghent, Belgium, and raised in London, Wiggins's adopted home is 10 miles to the north-east – he quipped that as a Wigan resident, St Helens is not exactly his native turf – and that raised the ante as well as meaning he had every chance to inspect the course beforehand.
"If you had inspected the course, you would never have thought someone was going to crash there.
"Yesterday I was so nervous and I was a little nervous this morning, but I inspected the course and was excited to race".
This year we had 20 horse-catchers, at least two attendants at each of the 16 fences, four stewards to inspect the course, two BHA course inspectors, ten vets, 50 ground staff and 35 ground repair staff.
