Challenge your friends, stake SOL, and sync your workouts via Strava. Miss your goal and you lose your stake. No excuses, no middlemen.
Works with
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Sync from Strava or check in manually. Watch your streaks grow in real time.
Invite friends to join your challenge. Everyone stakes an equal amount — the winners split the pot.
All stakes are locked in a Solana smart contract. No trust required — payouts are automatic.
Flow
From challenge to payout in three steps
Connect your wallet, pick a fitness goal, and lock your stake. Share the link — your friends join by matching it.
Workouts sync automatically from Strava. Every participant's progress is tracked on-chain — no faking it.
When the challenge ends, the smart contract settles automatically. Miss your goal and your stake goes to those who crushed theirs.
Turn daily habits into high-stakes streaks. Miss a day, and it costs you.
Connect Strava for automatic tracking or check in with one tap. Each day you show up moves you closer to the payout. Each day you skip gives your rival the edge.
treno.fun is a group fitness challenge app on Solana. Challenge your friends, stake SOL, and sync your workouts via Strava. Miss your goal and you lose your stake to your opponents. No excuses, no middlemen — your Strava says it all.
Create a group challenge and invite your friends. Everyone locks an equal stake in SOL. Your workouts sync via Strava — if you miss your goal, your stake goes to those who hit theirs. All funds are secured in a smart contract and payouts are automatic.
Treno runs on Solana (Testnet during beta). We use a Rust smart contract for trustless escrow and payouts.
Yes, you need Phantom or another Solana wallet to connect. You sign a message to authenticate — no gas fees for login.
Connect your Strava account and your workouts sync automatically via webhooks. For multi-day challenges, each workout auto-creates a check-in.
Funds are held in a non-custodial smart contract on-chain. No one can access your funds. Payouts are automatic when the challenge resolves.
Yes — we're live in beta on Solana Testnet. You can create your first challenge in under a minute.
Ready when you are
Pick a goal, stake your SOL, and challenge someone who thinks they can beat you. The smart contract handles the rest.