Got a question, suggestion, or just finished your workout and feel like chatting? You're in the right place.
At 25sport.com, we build sport calculators to help runners, cyclists, swimmers, and triathletes train smarter—not harder (unless you're into that kind of pain). Whether you're chasing a sub-3 marathon, trying to survive your first sprint triathlon, or just curious how fast you'd theoretically swim 1,500m without crying — we've got tools for that.
If something isn't working, looks confusing, or if you have an idea for a new calculator (we love those), drop us a message. We actually read them — even the ones that start with “I don't usually write emails, but…”
We're also open to partnerships, feedback, or high-fives in digital form.
Just use the form below or email us directly at revueltag. We try to reply faster than a caffeinated cyclist on a downhill.
And no, we can't tell you if you'll win your next race — but we can help you get closer.
Talk soon!