You have nothing to prove to ANYONE by doing this race.
Suck it up and do this race for YOU and your love and joy for the sport.
Accept what your body has been trained to do.
Feel gratitude that your body is healthy.
Do not dwell on what you wished you did or any past results.
Be patient and embrace whatever the day gives you.
It’s okay to not race and be a participant.
It’s okay to not be chained to any concept of time, let the finish time be what it will be.
Just swim then bike and run and take as much time in T1 and T2 as you need to insure you don’t get fried by the sun.
Make sure your ego does not push you beyond your current ability because you DO NOT want wind up in a Mexican medical tent!
Have fun and have a margarita when you finish!
My goal was a no drama swim, a steady, power focused bike and a run/walk that would get me to the finish line. For the swim start, I opted to not push my way into the mass and actually waited for at least 75% of the field to get in the water. This allowed me to navigate my way to clean water and forgo the beating I am used to with mass Ironman starts. This approached served me well. Other than stopping on the second half of the swim and literally yelling at a man to get the hell away from me and pointing he to all the open clean water he could choose to swim in instead of repeatedly swim over me, the swim was without drama ;-)
If you want to get a better sense of the course check out these photos from Triathlete.com Ironman Los Cabos