Currently just eight points is the difference between Crewe in second spot and 13th-placed Bromley.
Five points split Crewe and Grimsby in 9th with all to play for in the second half of the season.
MK Dons have dropped off the pace after just one win in six and find themselves six points off the pace.
Here we look at the latest promotion odds currently on offer with league sponsors SkyBet, running from least likely to most likely.
Have your say on how you think the promotion battle will finish via our social media channels.
Get the latest Dons news here.
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