Fall league season is opening across the country, and the science of how people come to like each other points straight at the kickball field, the volleyball court and the Tuesday softball game.

Chicago runners are two weeks out and New York is still in peak weeks. New research on the partners of endurance athletes shows what a training block does to a couple, and how to date through one.

Dating compatibility conversations cover money, kids and pets, and almost never cover bedtime. The sleep research says the schedule is negotiable, and that the cost of ignoring it lands on your evening session and the next day's argument.

Athletes are funding bathhouses, drinking is at a ninety-year low, and a 2026 study of 1,907 sauna-goers found the wellbeing gains ran through belonging rather than temperature. What that means for anyone deciding where a first date should happen.

New survey research shows 71.9 percent of women receive unsolicited comments from men while training, and most respond by quietly rewriting their routine. Here is what an approach that actually works looks like.

Before anyone climbs, two strangers check each other's knots out loud. That twenty-second ritual is why the climbing gym has quietly become the most revealing first date in fitness.

A fitness race with 1.5 million competitors penalises you for getting out in front of your partner. Its rulebook turns out to be better relationship advice than most relationship advice.

A study of 1,693 married couples found the most common shared workout was not a class or a run. It was a walk, and the biggest payoff was talking.

Fitness-first apps like ateam bet your workout is your best match. The upside is real. So is the risk of a velvet rope.

More than 5,000 people fought over ten spots to sweat through a blind date at Hyrox. Here is why shared struggle beats small talk.