Missed my Spartan Race.
Built something instead.

I had been training for a Spartan Race with an awesome team. We were pushing each other every week — burpees, runs, cold showers, all of it. Then I got hit with a bad injury and was sidelined for two months. I couldn't join the race. I missed the grind, the team vibe, and the daily accountability that came with knowing someone else was counting on you to show up.

Back then we tracked our training in a shared Google Sheet. It was messy, but it worked — because everyone could see who had logged and who hadn't. That visibility mattered more than any app feature. The shame of an empty cell on Friday was enough to drag you to the garage at 10pm.

After the injury healed, I had gotten into web development. Out of nostalgia and curiosity, I decided to build what that Google Sheet was trying to be: a simple web app where a group — a tribe — can log training, track streaks, and stay connected even when they're scattered across different cities.

I posted about it on the Spartan Race subreddit. Not to promote anything. Just to see if the idea resonated with anyone else who had trained hard, missed a race, and still wanted to keep the habit alive.

The response was enough to keep building. Today Tribu is a full community fitness platform: sprint-based training protocols, adjustable loads, real-time leaderboards, a Telegram bot that nudges you when you haven't checked in, and native AI agent integration so your training tribe lives inside the tools you already use.

The core insight hasn't changed since that Google Sheet: habits stick when your community can see whether you showed up. Everything else is just infrastructure for that one idea.

Stay strong. Aroo. 💪