I and II Criteria?

[Peter Michaelson]

So there was Ron Freeman I and Ron Freeman II, same for Michael Johnson, and William Tanui. Did I miss any?

We may need to have Kori I and Kori II. The future Kori II just happens to run the hurdles among other things:

https://www.athletic.net/TrackAndField/Athlete.aspx?AID=8592773#/L0

How good does each athlete have to be to merit I and II status according to T & FN?

[gh]

Daniel Komen, Doug Brown

[Merner521]

robert cheruiyot

[steveu]

The younger KC was thrilled to meet the older KC earlier this summer, I might add. Great pic on their twitter feeds.

So there was Ron Freeman I and Ron Freeman II, same for Michael Johnson, and William Tanui. Did I miss any?

We may need to have Kori I and Kori II. The future Kori II just happens to run the hurdles among other things:

https://www.athletic.net/TrackAndField/Athlete.aspx?AID=8592773#/L0

How good does each athlete have to be to merit I and II status according to T & FN?

[Halfmiler2]

Stephie Graf in two sports.

[The Klingon]

???????????????????????????

[mcgato]

Calvin Smith, the father
Calvin Smith, the son

I think the son is Calvin Smith, Jr., but I rarely see the Jr. part applied.

[Powell]

Stephie Graf in two sports.

There was actually a difference in the spelling of the names. The tennis player's first name was Stefanie (generally known as Steffi), while the 800 runner was Stephanie.

[TN1965]

There was actually a difference in the spelling of the names. The tennis player's first name was Stefanie (generally known as Steffi), while the 800 runner was Stephanie.

There is also Stephanie Graff in basketball.

http://www.sjuhawks.com/ViewArticle.dbml?DB_OEM_ID=31200&ATCLID=208881577

[Bruce Kritzler]

Sam Bair

[xw]

There was a Zhang Guowei who was an Asian champion in the 5000m in the 80's. His name not only has the same romanization but also the exact characters as the 15 WC HJ silver medalist

[LopenUupunut]

Olga Nazarova and James Connolly.

[TN1965]

The "other" Lauryn Willaims.

https://www.worldathletics.org/athletes/canada/lauryn-williams-14266969

[TN1965]

Kori Carter II is now a junior at Clemson.

https://clemsontigers.com/sports/track-field/roster/kori-carter/

[TN1965]

Angela Willaims (USA)

Angela WILLIAMS | Profile | World Athletics

Angela Willaims (TTO)

Angela WILLIAMS | Profile | World Athletics