Miscellany: Mulliga Runs a Marathon, Part 1 - The Resolution

I've completed several half-marathons, so it's time for the next logical step - my New Year's resolution for 2024 is to run a marathon.  26 miles and 385 yards.  The big kahuna (well, except for ultramarathons and multiday races, which can get positively absurd).  

I'm not sure I'll run more than one marathon in my lifetime, but I want to try it at least once: