A fast bike split won't save a run that falls apart. Veracruz, Mexico, puts that truth to the test: 1.9 km in the Gulf of Mexico, a flat, two-loop 90 km bike course, then 21.1 km along the waterfront. For the advanced amateur chasing a standout age-group performance, the opportunity isn't simply to go harder. It's to sustain speed, resist costly surges, and still have the legs to compete on the run. That's why this 36-week Half Distance Triathlon Training Plan starts long before the ...