Some of the kit that I use by preference and recommend for adventure racing
Bike
Full suspension: Giant Anthem
Hardtail: Trek 9.8
Training bike: Lemond Poprad Cross Bike. Marin Eldridge Grade Singlespeed
Bike Accessories
Lights: Exposure Maxx Enduro and Exposure Joystick. Solid Lights 1303.
Map board: Nordenmark
Clothing
Shorts: iRule Ninjas/Motus. Endura FS 260
Baselayers: Smartwool Merino Wool, Helly Hansen SLX, USE X-Zone, howies NBL
Gloves: Nomis Full Fingers.
Waterproof Jacket: Paramo Velez Adventure Smock (Winter) or OMM Kamleika Smock or Macpac Zone (Summer)
Windproof: Montane pertex shell
Waterproof Trousers: OMM Kamleika
Socks: Smartwool or Bridgedale or Sealskinz waterproof mid light
Tights: Skins or iRule Whistlers
Shoes: Nike Orizaba (for expedition racing) or Inov-8 Mud Claws
Other equipment
Multisport Helmet: Salewa Krypton
Headtorch: Princeton Tec Apex or Petzl Myo XP
Kayak Paddle: Set Endorfin
Climbing Harness: CAMP XLH 95
Compass: Silva Jet Thumb Compass
Glasses: Adidas Evil Eye or Adidas Climacool Pro
Buff: Event’s own!
Backpack: Depends on event – Macpac AMP, OMM Classic, Inov-8 Race Pro 30, OMM Adventure Light, OMM Last Drop