Have you ever tried precision orienteering (Trail-O)? If you have the chance you should. Pre-O means no stress about you´re running speed but a loot of technical work. In Pre-O you following trails so that also people that cannot run can competed.
You´ll have to solve the orienteering problems. At every control you´ll find a set of flag from whom you have to decided which one is the right. Something that sounds easier than it is as you have to follow the control description detailed. You can find some information about Pre-O here. Unfortunately in most countries there isn´t much Pre-O but you can try it online at TempO Simulator. They have also regular competition series.