Nike's Chalkbot prints fans' words on Tour de France roads — Cannes Cyber Grand Prix 2010

Nike and the Livestrong Foundation needed a campaign around Lance Armstrong's return to the 2009 Tour de France, focused on cancer awareness rather than winning. The theme became 'It's About You' — with spectators' chalk graffiti along the route as an existing ritual to build on.

Print people's own words of hope on Tour de France roads with a robot: spectators' chalk tradition, scaled by SMS and Twitter into the race itself.

W+K Portland, with technology partners DeepLocal and StandardRobot, built the Chalkbot: a trailer-mounted machine that pneumatically painted selected messages in chalk along the route. Fans submitted messages via SMS, Twitter, web banners and the WearYellow.com site; the campaign also ran the 'Driven' spot, web films on ESPN, and a full-page New York Times ad on the final day.

Chalkbot won the 2010 Cannes Cyber Lions Grand Prix, and the wider Livestrong campaign won the Integrated Grand Prix; thousands of chalk messages from around the world were seen by riders, spectators and TV audiences along the 2009 Tour.

In 2009 Lance Armstrong returned to the Tour de France for the Livestrong Foundation, and Nike built the campaign around one idea: 'It's About You'. Armstrong wasn't back to silence critics but to add his strength to people fighting cancer — and the campaign was designed to let anyone join.

W+K Portland's centrepiece was the Chalkbot: a trailer-mounted device that pneumatically painted text in chalk onto the roads of the Tour. Spectators had long chalked encouragement along the course; the Chalkbot turned that local tradition into a global channel, printing selected messages sent by SMS, Twitter, web banners and the WearYellow.com website.

The campaign surrounded the machine with film and print: a 'Just Do It' spot called 'Driven' blended shots of Armstrong riding with cancer patients rehabbing, web films ran on ESPN and social networks, and on the last day of the Tour a full-page ad ran in the Sunday New York Times. The whole system launched the week before the race.

At Cannes 2010 the Cyber jury gave Chalkbot the Grand Prix, praising 'invisible technology' and real-time interaction; the Livestrong campaign as a whole took the Integrated Grand Prix. Riders, roadside crowds and television viewers all saw the chalked words — cancer support written into the route itself.

It made the audience the message: people sent their own words of memoriam, hope and courage, so the campaign belonged to the people it was trying to reach.

It industrialized a real ritual: spectators already chalked the roads, so the robot amplified an existing Tour tradition instead of inventing a new one.

The technology disappeared: a message sent by tweet simply appeared on the road days later, which is why the jury called it 'invisible technology' — the wonder did the work.

It connected an invisible struggle to a public stage: cancer support was physically written into a race watched by millions.

Let the audience write the campaign: a machine that prints people's own words into a real event makes them the message — and technology that hides itself felt like magic.

Chalkbot became one of the most cited examples of real-time, technology-led brand marketing and is still taught as a landmark of integrated campaigns; the 2010 Cannes double Grand Prix made it part of the festival's reference canon. Nike and Livestrong continued their partnership until its end, while the campaign's mechanics — remote participation, physical output, live event — anticipated tools that only became standard years later.