On 1 November 2026 the World Athletics world records page still marks Masai Russell's 12.09 in the 100m hurdles from Zurich as pending ratification, so both Zurich records were not ratified by 31 October.
The market resolves on worldathletics.org states, by 31 October 2026, that both the 45.80 by dos Santos and the 12.09 by Masai Russell have been ratified as world records; batch releases, no fixed date. If that source has not published in time, BBC Sport and Al Jazeera. Either mark unratified on 31 October resolves NO settle it.
Only two of the last eight records were confirmed within 92 days. We looked at the last eight senior world records that World Athletics confirmed, ordered by the date of the performance. For each, we counted the days from the performance to the press release that confirmed it.