Last expended significant energy chasing back up to Neff several times .
The effort cost Neff later in the race , when on the final lap , Neff was caught by both Belomoyna and Gorycka .
Last expended significant energy chasing back up to Neff several times and the effort cost her later in the race , when on the final lap , she was caught by both Belomoyna and Gorycka .