Sutthisak Singkhon

Sutthisak Singkhon (สุทธิศักดิ์ สิงขร; born 5 October 1996) is a Thai decathlete. He competed at the 2017 World Championships dropping out after four events. Earlier that year, he won the gold medal at the 2017 Asian Championships, where he set a national record. He won a silver medal at the 2018 Asian Games.

Personal bests
Outdoor
 * 100 metres – 10.85 (+1.5 m/s, Jakarta 2018)
 * 400 metres – 48.05 (Bangkok 2017)
 * 1500 metres – 4:45.18 (Bhubaneswar 2017)
 * 110 metres hurdles – 14.80 (0.0 m/s, Bhubaneswar 2017)
 * High jump – 2.00 (Jakarta 2018)
 * Pole vault – 4.30 (Kuala Lumpur 2017)
 * Long jump – 7.83 (Bangkok 2017)
 * Shot put – 14.09 (Bhubaneswar 2017)
 * Discus throw – 44.42 (Jakarta 2018)
 * Javelin throw – 60.64 (Bhubaneswar 2017)
 * Decathlon – 7809 (Jakarta 2018)

Indoor
 * 60 metres – 7.05 (Ashgabat 2017)
 * 1000 metres – 3:07.82 (Ashgabat 2017)
 * 60 metres hurdles – 8.49 (Ashgabat 2017)
 * High jump – 1.91 (Ashgabat 2017)
 * Pole vault – 4.20 (Ashgabat 2017)
 * Long jump – 7.32 (Ashgabat 2017)
 * Shot put – 14.00 (Ashgabat 2017)
 * Heptathlon – 5332 (Ashgabat 2017)