Colorado has been eliminated from first place.

To show that Colorado is eliminated from first place, we start with the current standings:
            Team	W	L	GL	PCT	GB
     Los Angeles	84	67	11	0.556	0.0
       San Diego	82	69	11	0.543	2.0
         Arizona	77	75	10	0.507	7.5
   San Francisco	75	76	11	0.497	9.0
        Colorado	41	110	11	0.272	43.0
           Total	359	397	54

Colorado can finish the season with at most 41 + 11 = 52 wins and will finish the season behind the following teams:
Los Angeles has already won 84 games.
San Diego has already won 82 games.
Arizona has already won 77 games.
San Francisco has already won 75 games.
# Colorado Rockies' magic number
# Colorado's magic number
# Rockies' magic number
# MLB Playoff Race