Safety & Risk Management

Hard enduro is ridden slowly, but the consequences of a fall are not small. You fall on rocks, not grass. The bike lands on your leg. You're in a gully an hour's walk from a track, often out of phone signal, often alone. A twisted knee that would be a nuisance at a motocross track becomes a rescue.

The research on enduro injuries backs up the pattern:

• Most injuries are to the limbs and most are minor. A 2015 literature review found the extremities are the most injured parts in enduro and that "98% of these injuries are mild to moderate". Ankle and foot were "the most commonly involved areas in fractures and dislocations".
• Knees, collarbones, hands and shoulders lead the list. A 1991 study asked 365 riders at the 64th Enduro World Championship in 1989 about the injuries they'd had over ten years of riding. Of 232 injuries, the knee was the most common (21.5%, mainly ligament ruptures), followed by collarbone fractures (18.5%) and the hand (15.5%).
• Front-wheel slides in turns cause many falls. Three years of data from the Erzberg Rodeo (2,923 starters) found that 6% crashed, more than 80% of the injuries counted were superficial, and "most accidents happened in a curve due to the front tire sliding".

That shapes the whole plan. Protect the knees, hands and shoulders (gear guide). Expect to deal with a limb injury, not just a scrape (first-aid basics). And assume help will be slow, so the plan has to work without it.

Hard enduro is also physically hard. In a 2017 study of 15 enduro riders over a 10-minute session, heart rate rose from about 97 beats per minute at rest to about 153 while riding. The authors note that long races, "together with the clothing and equipment", add heat and dehydration stress. Tired, hot riders make worse decisions, which is why the STOP / GO framework exists.

Think of each risk in terms of what makes it more likely and what limits the damage when it happens.

Good risk management on the trail is a habit, not a mood. Four rules cover most of it:

• Scan for consequence zones. Look beyond the obstacle to what happens if it goes wrong: a drop-off at the edge of a switchback, a deep rut that traps a leg, moving water, a blind crest. A hard section with a soft run-out is a training opportunity. An easy section above a cliff is not.
• Find the bail-out before you commit. Know where you'll stop, turn or roll back if it doesn't work. On a climb, that's a flat spot to turn around. On a descent, it's the point where you can still get off and walk the bike.
• Work in small steps. Test grip with a short push. Try the first half of a line. Ride the easy version cleanly before the hard one. Each step tells you something the next one needs.
• Keep the group together. Dirt Rider's advice on group riding warns that a leader who blasts ahead "without checking back every mile or so" may not know someone "could have a mechanical problem or, worse, could have crashed". Wait at every junction and at the top of every hard section.

Graham Jarvis described the same mindset at Erzberg: "Not making mistakes and keeping your wheels turning is really important. I think some riders get too physical with it and they just get too tired."

Do this before every ride away from roads, even a short one. It takes ten minutes.

Hard enduro makes a lot of heat and very little airflow. Slow climbs in full protection can overheat you on a mild day.

Drink to a plan, not to thirst. The American College of Sports Medicine's fluid guidance says the goal is to avoid losing more than 2% of body weight to dehydration, and that you can estimate your own sweat rate by weighing yourself before and after exercise. Try it on a normal ride. It tells you how much you actually need to carry. NIOSH's heat-stress advice for hot work says to "drink before feeling thirsty", about one cup every 15 to 20 minutes, and warns against drinking more than 1.5 quarts (about 1.4 litres) an hour.

Know the signs of heat exhaustion. The NHS lists tiredness, dizziness, headache, nausea, heavy sweating, cramps and strong thirst. Stop in the shade and cool down straight away. The first-aid page covers what to do, and when it becomes an emergency.

Treat fatigue as a hazard. Tired riders grab the front brake, miss a gear and choose the harder line to get it over with. Plan food breaks by time, not by distance: a hard kilometre of rocks can take longer than ten kilometres of fire road. The endurance lesson covers building the fitness that keeps your head clear late in the day.

If you can tick every line, you've covered what matters most.

You know when to say no, how to reset, and how to keep small problems small. You ride with margins you've planned in advance rather than ones you hope for. When something does go wrong, the people you need know where you are, and you know how to reach them.