O2O 50km 2.0 ON_FOOT_WALKING UNKNOWN 51974.3102901 1948.7800000 SJ 1210 6896 Checkpoint 1 SJ 1466 6574 Checkpoint 2 SJ 1708 6108 Checkpoint 3 SJ 1911 5613 Checkpoint 4 SJ 1984 6267 Checkpoint 5 O2O 50km