How many hackathons are there in London?

There are currently 1 hackathons listed in London, with 1 upcoming.

Are there online hackathons in London?

Yes! Of the 1 hackathons in London, 0 are online, 1 are in-person, and 0 are hybrid.

How do I find the best hackathons to join?

HackathonRadar tracks thousands of hackathons worldwide. You can filter by city, category, date, and prize pool to find events that match your interests and skill level.

🇬🇧Blockchain & Web3 Hackathons in London

Discover 1 blockchain & Web3 hackathons in London. Hackathons exploring blockchain technology, smart contracts, DeFi, DAOs, and decentralized applications.

🇬🇧Blockchain & Web3 Hackathons in London

Past hackathons in London

Friday, October 2, 2026

Metropolis Hackathon Builder Day: London | $250,000 in prizes

Saturday, August 29, 2026

Cantor8 London Hackathon

Saturday, August 8, 2026

Monad Blitz London Hackathon

Saturday, July 25, 2026

SPEED BUILD 2026 | $20,000 HACKATHON LIVESTREAM

Saturday, July 18, 2026

TxOdds X Solana - World Cup Hackathon - London Encode Club

Tuesday, July 7, 2026

Arc Hackathon Launch

Wednesday, July 1, 2026

Side Quest: ICL AI Hackathon Dinner @ Wolfys

Wednesday, June 3, 2026

Wayflyer x Fin Hackathon | Build the future of eCommerce

Tuesday, April 14, 2026

AI x Web3 Hackathon: Build a Working Prototype in One Afternoon

Saturday, April 11, 2026

Agentic Society: Panels by Day, Hackathon by Night

Thursday, March 5, 2026

HACKATHON - University of West London

Friday, February 27, 2026

Encode x Arc Enterprise & DeFi Hackathon

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Frequently Asked Questions

How many hackathons are there in London?

Are there online hackathons in London?

What are blockchain & Web3 hackathons?

How do I find the best hackathons to join?