[1] Kipruto took second place at the 2010 Stramilano Half Marathon, running a sub-60 minute time of 59:39 to finish just behind Moses Mosop.
[5] Kipruto was second at that year's Nice Half Marathon with a season's best run of 1:01:11 hours.
[6] He began 2012 with a runner-up performance behind Ayele Abshero at the Yangzhou Jianzhen International Half Marathon.
Over 10K that year, he won in Tripoli and Jakarta, then came in second place on behind Micah Kogo in the Beach to Beacon 10K race in Cape Elizabeth, Maine with a season's best of 28:09 minutes.
[9] He entered as one of the favourites for the Marseille-Cassis Classique Internationale, but dropped out during the race's difficult uphill section.