I'd do 3-5 min effort at that pace. 8mins at 115 is hard.
Try it. Bet you'll blow way before 8.
Word. I've got a 4 minute hill near me that I use for above FTP efforts. It hurts a lot, any longer would be incredibly hard I think.
@andyp started
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I'd do 3-5 min effort at that pace. 8mins at 115 is hard.
Try it. Bet you'll blow way before 8.