Having recruited for an Ivy League lightweight program and worked with hundreds of families through the recruiting process over the past fifteen years, the pattern is consistent: the athletes who navigate recruiting most successfully are not the ones with the fastest erg scores. They are the ones who demonstrate the depth, self-awareness, and communicative maturity that come from engaging seriously with the sport — not just optimizing a single number.

Erg improvement is not linear. It is fast at first and slows progressively as an athlete approaches their physiological ceiling. A first-year rower can drop 30 seconds from their 2K in a few months. A fourth-year varsity athlete might fight all season for 3 seconds. Both represent real progress. But conflating the two — or promising the first to someone who is actually in the second category — is dishonest. What follows is the most complete picture we can assemble from the available data.

Speed on the erg and speed in the boat come from the same three sources: technique (how efficiently you convert effort into motion), fitness (how much effort your body can produce and sustain), and execution (how well you deploy your fitness over a given distance). Improving any one of these makes you faster. Improving all three makes you substantially faster. What follows is an honest accounting of what works, organized by what produces the largest gains first.

The key principle is that summer is for base building, not peaking. The aerobic system — the engine that powers everything from a 2K test to a 5,000-meter head race — develops through sustained low-intensity work over weeks and months. Athletes who train at race intensity through June burn out in October. The ones who build their base patiently through the summer arrive at fall practice with the fitness to absorb the harder training that produces race results.