Looking at the qualification totals, a 40 minute time loss would have given about 2 hours for Q2, which would have been the last qualifying spot overall, if they counted DNS.
Would there have been any guarantee of getting a new map immediately after returning to the start, though?
Not sure I really wanted to see that, though the other thing one can't necessarily assume is that I would have done a similar time for the course with a bonus 40-minute warmup added (remembering how I fell away from about 1.40 onwards in the nationals; though not in Canada).