About mkwrs.com:

This site displays the progression of time trial world records for various Mario Kart games.

For more information on competitive Mario Kart time trials, visit mariokart64.com.

Site History:

June 12th, 2012: mkwii.co.nf was created to show the Mario Kart Wii WR History.
July 12th, 2012: Added the Non-SC category to MKWii WR History.
September 19th, 2012: Added Mario Kart 7 WR History.
March 6th, 2013: Added Mario Kart Double Dash WR History.
May 24th, 2013: Added Super Mario Kart WR History.
August 14th, 2013: Moved the site to a new domain: mkwrs.com
January 17th, 2014: Added Mario Kart Super Circuit WR History.
May 29th, 2014: Mario Kart 8 was released (with WR history site).
November 14th, 2014: Added Mario Kart DS WR History.
December 23rd, 2015: Added Mario Kart 64 WR History. All kart games have WR history sites now!
April 28th, 2017: Mario Kart 8 Deluxe was released (with WR history site).
November 25th, 2017: Added Super Mario Odyssey Minigame WR History.

Credits:

SMO:
Updates: Zach, Odme, jongyon, Marv, WillD, DivisionX, Carb, Cole

MK8DX:
Current Updaters: Shaun, SuperFX, Pii, noahns, WillD
Former Updaters: Cynda, Mick, 7Alvin, Cole, Rom, Simon, Zach, Rod, Horse, Pyrax, Harm

MK8:
Current Updaters: AM, SuperFX, noahns
Former Updaters: Alvin, Mick, Ray, ALAKTORN, Truth, RRD, WillD

MK7:
Data Collection: Marv, TvK, WillD
Current Updaters: Jacob, WillD, Lee
Former Updaters: ALAKTORN, Sam F, Hugar, Ray

MKWii:
Data Collection: Pierrepont, Cole, WillD, YoshiKecleon, DiamondMaster, Master Kek, Mango Man
Updates: Blaze, Guy, Sam F, Cole

MKDS:
Data Collection: Etch, Leone, su11y, ALAKTORN, WillD
Updates: Etch, Leone, ALAKTORN, WillD

MKDD:
Data Collection: WillD
Updates: WillD, Paul

MKSC:
Data Collection: Lafungo
Updates: Lafungo, Shock, Hahaae

MK64:
Data Collection: WillD, PLH, MR, Zoran, Liem
Updates: WillD, PLH, MR, Dan

SMK:
Data Collection: KVD, Sami
Updates: KVD, Sami

To request a correction or addition to the WR history, post in one of these threads:
MKWii
MK8
MK7
MKDS
MKDD
MKSC
MK64
SMK