MT hq between 5 and 8pm
The first signing-on session for Saturday's Tough Mann Adventure Challenge takes place this evening at Manx Telecom headquarters at the Isle of Man Business Park.
It starts at 5pm and ends at 8pm - all competitors need to bring photo ID.
It's the same time and venue for signing on tomorrow evening.
The event itself is at Ballamoar Farm near Ballaugh over a tough 10km course.
Organiser Kez Wardell:-
Tributes paid to Island resident and Olympic Silver medallist, Maurice Herriott
"A remarkable athlete, and a big part of our community."
Netball: Men's team selected for England competition
Eleven strong squad heading to LoughboroughÂ
Billy Harris beaten in US Open Qualification
Island player lost by two sets to one
'She changed my life': Tributes paid to former schoolteacher
'Mrs Messenger' was a netball coach and taught at Castle Rushen High School