Highland Kings Ultra event will see provide athletes with access to butlers, speed boats and Michelin-star chefs.
Mark McGuire has raised £17,000 for Cardiac Risk in the Young after his best friend died suddenly.
The University of Stirling student is raising money for Cardiac Risk in the Young.
Graham Laing, 63, completed the inaugural Inverness Half Marathon in 1985 in a time of 1:04:37.
Anna McNuff ditched her trainers to run from Shetland to London as part of a five-month challenge.