RunJudge 🏃‍♂️

An AI-powered judge for social fitness challenges that verifies Strava runs while funds are staked. Think of it as a decentralized fitness escrow with a sassy personality that won't let you get away with taking the bus. 🏃‍♂️🚌

Live Demo

What is RunJudge?

Running challenges with friends should be fun, fair, and rewarding. RunJudge makes it happen by combining Strava activities, AI verification, and USDC prizes on Base.

Create a challenge, set a distance and prize pool in USDC, and let our AI judge analyze Strava activities to determine the winner - all without needing any crypto knowledge!

Key Features

• 🤖 AI-powered verification of Strava activities
• 💰 USDC prize pools on Base
• ❤️ Heart rate data verification
• 🏃 Pace analysis and normalization
• 🔐 Gasless transactions via Base Paymaster
• 🌐 No crypto knowledge required!

Repository Structure

apps/
  ├── web/               # Next.js frontend application
  ├── agent/            # AI verification service using Coinbase Agent Kit
  └── subgraph/         # The Graph indexing service
packages/
  ├── contracts/        # Solidity smart contracts
  └── shared/           # Shared TypeScript utilities

Smart Contract Deployments (Base Sepolia)

• RunJudge: 0x80eb5478b64BcF13cA45b555f7AfF1e67b1f48F0
• USDC: 0x036CbD53842c5426634e7929541eC2318f3dCF7e

Getting Started

Prerequisites

• Node.js 18+
• pnpm
• Strava account
• Base Sepolia USDC (get test tokens from Circle Faucet)

Development

1. Install dependencies:

pnpm install

2. Start the development server:

pnpm dev

Technical Stack

Smart Contracts

• Solidity smart contracts on Base
• Challenge creation with USDC staking
• Participant management
• Automated prize distribution

AI Verification (Coinbase Agent Kit)

• LangChain with Gemini Pro
• Heart rate data verification
• Pace normalization
• Automated winner declaration

Frontend

• Next.js 15 with App Router
• Coinbase OnchainKit
• Viem/Wagmi
• shadcn/ui + Tailwind CSS

Backend & Data

• The Graph for challenge indexing
• Lifetime earnings tracking
• Challenge discovery
• Participant statistics

Contributing

We welcome contributions! Please check our issues page or submit a pull request.

License

MIT

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Built with ❤️ by aguxez and rplusq for ETHGlobal Agentic Ethereum 2025