A silver medal over 5000 m at the 2001 Goodwill Games was followed by a bronze at the 2001 IAAF Grand Prix Final.

He was the silver medallist in the short race at the 2002 IAAF World Cross Country Championships, finishing behind Kenenisa Bekele but helping Kenya to the team gold.

[7] In December 2010 Luke was invited back to Melbourne as part of the 50th Anniversary celebrations of the Zatopek:10.

Luke decided to also race the 10000m track event, placing 5th behind Josphat Menjo in 28:47.

Despite being the fastest 10000m runner of 2010, Menjo was unable to break Luke's race record, winning in a time of 27:39.80.