Group tasks at SSB — Group Obstacle Race, Progressive Group Task, Half Group Task, Command Task and the rest — look like physical problem-solving exercises with planks, ropes and structures. Candidates who train only for the physical difficulty routinely underperform, because the actual assessment has very little to do with whether the group finishes the task.
The GTO records who suggested a workable idea, who helped implement someone else's idea without needing credit, who adjusted their plan when it clearly wasn't working, and who kept contributing after an early idea was rejected. Groups that finish quickly with one person doing all the thinking usually score worse, collectively, than groups that finish slower with distributed contribution.
Reading the task correctly
Every group task has stated rules (load-bearing capacity of a 'wall', which objects can and can't touch the 'blue' out-of-bounds area) that are deliberately restrictive. Candidates who rush past the briefing and start improvising within the first thirty seconds are the ones most often disqualified from a helping-load, or seen breaking a rule mid-task — which the GTO notes regardless of whether the group still finished.
The most common failure pattern
A candidate proposes a plan, it's accepted by the group, and it stalls halfway. The instinct is to defend the original plan; the OLQ actually being scored is whether you can let go of your own idea and support a better one from someone else without visible frustration.
Command Task and Individual Obstacles
In the Command Task, the two 'helpers' you choose from the group matter less than how clearly you brief them and how calmly you adapt when your first approach fails in front of the GTO watching alone. In Individual Obstacles, attempting a wider spread of the available obstacles — even at lower individual difficulty — is usually scored better than repeating your two strongest obstacles for maximum points.
What to actually practise beforehand
You cannot rehearse the exact structures you'll see on the day, and trying to memorise 'solutions' to specific obstacles is one of the least productive uses of preparation time. What transfers is practising group decision-making under time pressure generally — which is exactly what a structured, assessor-led GTO practice batch is for, rather than solo physical training alone.