was looking at the adidas sundown ultra marathon faqs

Is there a cut-off time for the Marathon/Ultra-Marathon & Team / Corporate Challenge?
Yes, the cut-off timings are as follows:-

Ultra-Marathon: 14.5 hours or till 11am on 31 May 09
Marathon: 11 hours or till 11am on 31 May 09
Team / Corporate Challenge: 2 hours or till 10.30pm on 30 May 09

So must complete in 14.5 hrs.... cb, nv finish no shirt.... wah stress