From the limited context I would guess that the 70 minute ride is a comfort blanket, and the 10 mile TT would provide a proper test that would allow you to guage form and calibrate your future training. So do the TT?
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From the limited context I would guess that the 70 minute ride is a comfort blanket, and the 10 mile TT would provide a proper test that would allow you to guage form and calibrate your future training. So do the TT?