Martti Vainio
Masters World Records 1991
### Masters World Records 1991

Vainio returned to the track once again in 1991\. He ran the age group M40 [Masters](/wiki/Masters_athletics_%28track_and_field%29 "Masters athletics (track and field)") world record in 3000 meters 8:05\.08 in [Mikkeli](/wiki/Mikkeli "Mikkeli") on 12 June. Later, he also improved the 10,000 metres world record 28:30\.88 at the [Fanny Blankers\-Koen Games](/wiki/Fanny_Blankers-Koen_Games "Fanny Blankers-Koen Games") in [Hengelo](/wiki/Hengelo "Hengelo") on 25 June. At the [World Masters Athletics Championships](/wiki/World_Masters_Athletics_Championships "World Masters Athletics Championships") in [Turku](/wiki/Turku "Turku"), he won the M40 10,000 metres with the result 29:16\.88\.


How old was Vainio in 1991 when he set the age group M40 Masters world records?