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Jordan Rapp of Slowtwitch fame had a stellar day at IM AZ this past weekend.  I wrote a quick blog about his bike pacing plan last month here.  It turns out he paced the bike this year at an IF = 0.75.  Actually, here are his complete numbers from the race via a Slowtwitch thread as written by Chris Whyte:

AP = 278w
NP = 284w
IF = .74 - .75 (based on FTP of 380 - 385w)
VI = 1.02

"That puts his TSS no higher than 250. If you remember, very similar power to IMC (AP = 279w;NP = 289w). He ran ~3min faster at IMAZ, fwiw. "

There you have it.  Another case in point, that it is a very good idea to target an IF of 0.75 if you are using a power meter for pacing in an Ironman.

Editor Note: Jordan Rapp is not an F9TC athlete (in case you were wondering) but he had a great race nonetheless.