Jón Sigþór Jónsson · jarnkarl.is https://jarnkarl.is/keppandi/jon-sigthor-jonsson Jón Sigþór Jónsson í IRONMAN og járnkarlakeppnum: ný úrslit birtast hér sjálfvirkt. is Jón Sigþór Jónsson: Norseman Xtreme Triathlon 2012, 15:24:44https://jarnkarl.is/keppandi/jon-sigthor-jonssonhttps://jarnkarl.is/keppandi/jon-sigthor-jonsson#2012-norseman-xtreme-triathlon-140.6IRONMAN · sund 1:08:10, hjól 7:22:13, hlaup 6:39:36. Jón Sigþór Jónsson: Hálfur járnkarl (Hafnarfjörður) 2011, 5:16:09https://jarnkarl.is/keppni/halfur-jarnkarl-hafnarfjordur/2011https://jarnkarl.is/keppandi/jon-sigthor-jonsson#2011-halfur-jarnkarl-hafnarfjordur-70.3Sat, 13 Aug 2011 12:00:00 +0000IRONMAN 70.3.