After none of the nine candidates reached 50% of the vote, the two leading candidates, Vallas and Johnson, headed to a runoff election.

Source: https://gazette.com/news/us-world/chicago-mayoral-race-endorsements-lining-up-for-vallas-and-johnson-ahead-of-runoff/article_a993fabe-df86-5671-baea-9b1699db12bb.html

ANKARA, Turkey (AP) — Turkey’s election board has certified the results of the May 28 presidential runoff election.

Source: https://krdo.com/news/ap-national-news/2023/06/01/turkish-election-body-confirms-erdogans-victory-in-runoff-vote/

A runoff election in Sonneberg county pitted Robert Sesselmann, the candidate from Alternative for Germany, against center-right rival Jürgen Köpper.

Source: https://www.timesofisrael.com/liveblog-june-25-2023/

Collin College Board of Trustees election appear to be headed to a runoff election after no candidate garnered the required 50% threshold.

Source: https://farmersvilletimes.com/2023/05/07/strickland-wins-council-place-1-cathey-gets-most-votes-for-fisd-position-5/

Either way, after the most significant challenge to his supremacy since he rose to power in Turkey two decades ago, Erdoğan is president again, winning yesterday’s runoff election by 52% to 48%, a margin of more than 2m votes.

Source: https://www.theguardian.com/world/2023/may/29/monday-briefing-what-erdogans-election-runoff-win-means-for-the-future-of-turkey

Gardiner won a second term last month, defeating Megan Mathias in a runoff election.

Source: https://www.chicagotribune.com/politics/ct-chicago-alderman-jim-gardiner-fbi-investigation-20230502-scudodwq3rgwrc62lrfilkvwl4-story.html

In Tuesday’s mayoral runoff election, Johnson — an underdog candidate — narrowly defeated front-runner Paul Vallas, a former Chicago Public Schools CEO and a fixture at City Hall decades ago during the Mayor Richard M. Daley era.

Source: https://www.chicagotribune.com/politics/elections/ct-johnson-mayor-profile-20230409-kbayemdxh5ccbd3v6leg2wyvkq-story.html

Luiz Inácio Lula da Silva defeated Bolsonaro in an October runoff election for president.

Source: https://www.deseret.com/u-s-world/2023/1/9/23546250/400-arrested-during-brazil-unrest

May 14 (UPI) -- Long-serving Turkish President Recep Tayyip Erdogan is expected to learn soon if he will keep his job or go through a runoff election with polls closing Sunday evening during the country's national election.

Source: https://www.upi.com/Top_News/2023/05/14/On-This-Day-US-launches-Skylab-into-orbit/6021684029273/

Noboa was sworn in to office Thursday after defeating Luisa Gonzalez, a Correa mentee, in a runoff election Oct. 15. His term will run only through May 2025, which is what remained of Lasso's tenure.

Source: https://www.startribune.com/ecuadors-newly-sworn-in-president-repeals-guidelines-allowing-people-to-carry-limited-drug-amounts/600322342/

The Post and Courier sat down with both candidates ahead of the runoff election.

Source: https://www.postandcourier.com/news/charleston-mayoral-runoff-election-guide/article_4eb8dafc-8579-11ee-9171-23d30728a3ab.html