General
If it's happening in Adventure Racing them you can probably read about it on the web at SleepMonsters:
MTB
Making and using a tow from NYARA.org Biking advice Ben Bardsley, sleepmonsters.co.uk

Kayaking/Surfing/Skimming
Kayaking tutorial from Atlantic kayak tours
Paddling by Pete James, Sleepmonsters.co.uk
Surf Kayaking basics, BBC Wales
Getting on a skim board, technique. Video.
Paddling a surf board out. Technique.

Running
Running training by Jim Davies, sleepmonsters.co.uk
Lightweight kit list for mountain marathon

Navigation
Navigation by Steve Birkinshaw, sleepmonsters.co.uk
IOF Symbols for orienteering

Ropework
Equipment and use - Sleepmonsters.com by James Thurlow part I
Abseiling - Sleepmonsters.co.uk by James Thurlow Part II
Ascending - Sleepmonsters.co.uk by James Thurlow Part III
Ascending - Frog technique
Ascending - Single Rope Technique for caving

Team Dynamics
Team Dynamics and questions from NYARA.org
Teamwork by Morgan Donnely, sleepmonsters.co.uk
Team formation and training by Tim Lloyd, sleepmonsters.co.uk
Working as a team Pete James, Planet Fear
Roles within a team John Cunningham, PlanetFear
Tips for success Anna McCormack PlanetFear

Event Preparation
Event preparation from NYARA.org
What to expect as a female, Astrid Wheatcroft/PlanetFear
Tips for longer Races, Southern Ontario's 24hr race

Nutrition & Hydration
Nutrition for endurance atheletes, Lindsey Ormond, sleepmonsters.co.uk
Carb Loading, Lindsey Ormond, sleepmonsters.co.uk
Organising Race Food Steve Birkinshaw PlanetFear
All about carbohydrates, Lindsey Ormond, sleepmonsters.co.uk
Guide to Hydration, Runner's World
Friendly Caffeine!, Peak Performance online
Maltodextrin+Frutose is good, Peak Performance online
Effects of increased metabolic rate, Peak Performance online

Training
Training Advice from NYARA.org
Training advice from Helen Jackson, sleepmonsters.co.uk
Motivation for training by Helen Jackson, sleepmonsters.co.uk
Transition Training Pete James PlanetFear

Longer Events
Racing advice from NYARA.org
Expedition Racing by Nicky Davies, Sleepmonsters.co.uk
Training advice from Helen Jackson, sleepmonsters.co.uk
Packing for races abroad courtesy of Anna McCormack / PlanetFear
Towing Tom Gibbs PlanetFear
Food and Sleep Pete James PlanetFear
Racing in cold temperatures Russ Ladkin Team CamRacers

Medical
Foot advice from NYARA.org
Foot Care Anna McCormack PlanetFear
Water Purification from NYARA.org
Health overseas for Adventure Racers Jean Sinclair PlanetFear

Inlines/Trikke
Using the brake from London Skaters
Skating in the wet by London Skaters
Skating on rough ground - Londonskaters.com
Skating uphill - Londonskaters.com
Trikke - video & details
Skike - alternative to inlines.

Archery
Basic steps in Archery - Harrogate Archery
Archery In detail - Heriot Watt

White Water Rafting
Rafting for beginners Pete James PlanetFear

• If you’re not hungry you’re carrying too much food.
• If you’re not cold, you’re carrying too much kit.
• If you’re not hurting, you’re not trying hard enough.