Here is some data: Urho Kekkonen NOTES 3 whole terms serving (the 3rd exceptionally 10 years) * resigned during the 4th term due to poor health; Urho Kekkonen RANK_BY_LENGTH_OF_TERM(S) 1.

Write a sentence that describes this data
Urho Kekkonen have 1st place in length of president for 3 whole terms serving (the 3rd exceptionally 10 years) * resigned during the 4th term due to poor health.