Pick of the week #17/2025 I liked the courses of the event Uppsala Mote Lang (Sweden. 4/21/2025). This leg 2-3 was from the M16 course. It surprised me a bit because both this leg and the entire course are quite technically challenging. This leg in particular doesn’t have any significant leading lines toward the control point, nor are there any obvious catching features. It's a super technical course. I would have loved to run something like this at 16 and test my skills. Usually, in Sweden (and I analyze a lot of courses), the typical trend is that the course for 16-year-olds is simply an extended version of the 14-year-old course (which itself is an extended version of the 12-year-old course). Meanwhile, the course for 18-year-olds is a shortened version of the 20-year-old course, which is itself a shortened elite course. In this case, however, the course for 16-year-olds is actually a reduced version of the 18-year-old course, and it is significantly more challengi...
O-Puzzle Series #9 Find the 10 differences. Difficulty level: Hard . Map No. 2 is oriented in the opposite direction to Map No. 1. This increases the challenge. An additional challenging question: One of the maps contains an error in the depiction of a map symbol. Identify this error. The answers are provided below. O-Puzzle Answers: Answers, the second vertion (the maps oriented in the same direction) answer to the additional question: symbol "409 Vegetation: walk, good visibility" must be orientated to the north https://omapwiki.orienteering.sport/symbols/409-vegetation-walk-good-visibility/ Visit our Facebook group Orienteering Technical Training Also, see my O-Book for advanced runners, which is available in 8 languages. Aleksandr Alekseyonok, March 3, 2025