Fourteen years of firmness measurements: what I've learned

I've been making measurements of green firmness during the KBC Augusta tournament at Keya Golf Club since 2013. We'll look at the firmness measurements from all the tournaments since 2013, and at the daily firmness measurements from 2013 and 2014, when I first started advising Keya GC, and compare those with the firmness in 2025 and 2026.

To get an idea of the ball reaction on these greens, have a look at this 5 second video of superintendent Andrew McDaniel…