The brand is to be the footwear sponsor for the event, which will see participants running a 50km route through five of London’s Royal Parks on October 6.
As part of the deal, inov-8 will supply footwear from its off-road range as prizes for race winners.
Around 700 runners are expected to take part in the event, now in its second year.
“inov-8 as a brand is a natural fit for our ultra, which this year is expected to become the biggest ultra in Britain, with up to 700 runners,” Sally Barney, events manager for the Royal Parks Foundation, says.
“Our ultra runners need the support of those people and brands who understand the rigours of running these kinds of distances, and with their 10-year track record of innovation and product design inov-8 couldn’t be better qualified to offer this.
“It’s great to have them on board.”