It's a little late season for a 400k.
I'd be more inclined to consider getting more 300's under the belt and maybe some back to back 200's until March. I reckon that would do more for your endurance and make it easier to bump up to the 600s which start in May.
@The_Seldom_Killer started
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It's a little late season for a 400k.
I'd be more inclined to consider getting more 300's under the belt and maybe some back to back 200's until March. I reckon that would do more for your endurance and make it easier to bump up to the 600s which start in May.