.one lane, 118fe8e4j, Invisible, 1990MX5, 1993ka24det, 1BAD96, 1cockyz, 240_to_miata, 2ndGearRubber, 3rdCarMX5, 90R, 91hitman, 92dx, 94LagunaR, 94mx5red, 993love, 99mx5, 99nb, aaronc7, absRTP, acedeuce802, acorn, adamiata, Adamsm, AdoboMiata, akafirstt, AkaZero, albertogti117, albumleaf, Alexandria3293, AlexL, alphasaur, alpinaturbo, Alpod, Alta_Racer, AlwaysOnKill, Amellrotts, anakin, angeld1704, antransj, apalac01, arbinshire, Aroundcorner, AustinMini, b3d3g1, badlentopb, baron340, bash253, bassman1, bcrx7, beansrown, bear2230, bellwilliam, Bergie, Bifftuxedo1, billybobster, Billycl, Blackbird, Blackpegaz, blaen99, blown lsj, bmseven, bmxfuel007, bogaut, bold1114, Boosted Escort, Boost_addict, bootz, Braineack, Brak, Brendanj, BTMiata, Buck65, buffon01, bwayne5, calimiata, callmelinc, calteg, Canyonfive, CAPTAIN BWANA, carsbuddy1, ccsfd, ch4ng, chewy, Chiburbian, Chilicharger665, chiods, chops, chpmnsws6, chris101, chriscar, chrisw, cjsafski, Clos561, codrus, Colin P, compaddict, compuw22c, ConeCrasher, conehead, cordycord, Corey, Corky Bell, cowboys647, Invisible, crimson_yachiru, cruiseMain, Csbarksdale, curly, czubaka, Dahl460, DaleNixon, danduv, darkcambria, Darthteddy, datsun40146, DaveC, David_G, dc2696, ddikeht, dead, Deanotech, DeerHunter, delcbr, Invisible, Der_Idiot, dick 5322, dierks01, dieselmiata, dima88, DirtySouthTexas, djp0623, Dlaitini, Dolsiac, Invisible, Dot3, doward, Dr.kbomb, drdl, Driver, drummersrs, druz, drv2fst, DSP_NA, dstn2bdoa, Dubbleduecer, duffbuster243, eazy_tom, echo $user, Echochet, eddie12, Edens, el maestro, elektron, elesjuan, elsapo91, emilio700, Enginerd, EO2K, Erat, Eric64, EricJ, ericsbestshot, exST165, ExViTermini, f2fan, farphle, FattyBoost, fc3s690, filphil, Fireindc, flounder, flying_solo, FlyinMSM, fooger03, FowlerMotorsports, FrankB, Frankthetank_86, Frank_and_Beans, fredb, Frnchplayr15, FrontYardigans, FSTENUF, ftjandra, furrycurry33, fwman1, Gappy, gdnimr0d, GeneSplicer, gillen, Godless Commie, GoFast, gonzoe00, gorillazfan1023, GraemeD, Grantofhell, greddygalant, greg_bingham, grenadegangsta, Gt2560rMiata, GTurbo, Gus, Hammi, Handy Man, hobbs, hochkis, Hoon, Hopalong, hornetball, hoshposh, Hot_Wheels, hrk, I<3flippyheadlights, icantthink4155, ihmcguinness, ilikeboat, imclumzy, imperfekt, Impuls, ismael_pt, itzzspencer, iv46vi, ja4220, jaf1901, Jake`, JasonC SBB, JayL, jballance, jbresee, Jeff_Ciesielski, Jiggerachi, jimmyneutron, JMLTOY, jnshk, Joe Perez, joeldc13, JoeTheZoe, jordy94, josedacz1, Joseductive, joshuahoyt, jpreston, jrmotorsports55, Jstarr, Jubalansen, junjunlee, Justslow, Invisible, kaboshe, kaisersoze, kelly1992, Ken Hill, kenzo42, Kingspeed, koop21, krazykarl, krisiun, kung fu jesus, kww502, kykykaka, L2 Tuning, Landrew, lassi, latena, lazzer408, Leafy, LiftoffOversteer, lightyear, Lokiel, lordgringo, LoveJoy, LOWnSLO, lsc224, ltq88120, ludwin10, LukeH, lvw, M.Adamovits, m2cupcar, M2Tim, maaltone, Markstre302, marsien, Invisible, matthewdesigns, maxc14, Mazdaguy84, MazDilla, Mazduh, mc85, mcfandango, mcs6979, Melkvinkjoe, mellowout, merkaba, messiahx, mgeoffriau, Miata.SharK, miata2fast, Miata99, MiatainSweden, MiataKeith, MiataMX5, Mic5423, MichiMiata, mikde, mikeboldt, mikewolf, miloiii123, Miniae86, MJ50, mm1628, Mobius, ModZZilla, MOL, monkeywinky, Morshu, motormechanic, mpicanco, MR.M!474, Mr.Miyagi, mrjones2, mrjreezy, MrMojo, mr_hyde, msmzero, Munky, muoto, Mwolf83, mx3optidrive, mx5-kiwi, mx54life, mx594m, mx5autoxer, MX5RACER, my90, NA6C-Guy, Nagase, NastyNate, nasubi, natedawg, Neilv, nelsong, Nemo, neo1999, NeoKyo, newold_m, nickt93, NiklasFalk, nile13, nitrodann, nixapgt, njn63, NoiseRacing, noobmiata, NW Bill, oilstain, olderguy, OllieG843, Olomana808, one-niner, Opti, oreo, Orion ZyGarian, orion4096, Oscar, Outabnds, palmerino17, palmtree, paNX2K&SE-R, PatrickW, pdexta, peispeedster, Pen2_the_penguin, Peodi, Personne, peterd444, peterscribbles, petrolmed, philstireservice, PiazzaT, pinkmeansdanger, Pinky, Pirate Steve, proto, psreynol, psyber_0ptix, pug106, railz, Rasc, RayinNorCal, rccote, Rcnitrofreek, RdSnake, ReallyRottenTurbo, red636, Red91, redrider706, redturbomiata, red_door, reefin, Reverant, rex1223, Rextopher, rharris19, richyvrlimited, rikaro, rkim, rkorenek, rleete, rmcelwee, rnorma1, robertcope, Roda, rolfer, RossTheRed, Invisible, RunninOnEmpty, Rushin, RussellT94, Rvanderah, ryanmx5, ryanr, RyanRaduechel, Ryan_G, Ryhn, Saionara, samnavy, samwu8k, Savington, sbcrx007, scenturion, Sclippy96, ScottyP3821, Scrambles, Scrappy Jack, Screaming04, SDAROZA, secretsquirrel, Sentic, shooterschmidty, shuiend, SideDraft, Sierra_Bravo, Silentoreo34, silvermazda, Silvernb, singood, sixshooter, sixteenpushrods, SJP0tato, skipstr, SKMetalworks, slammed200, Slider, slmhofy, SlowRider, SNAILSHELLHERO, Sokool, sonelane, SortaSlammed, southernmx5, Spectre722, Speedmonkey, spestis, spitefulcheerio, Splitime, spoko majonez, Spookyfish, sprp85, sr20det_28, sstony, Staffah, StarletRick, stefanst, sterVin, stinkycheezmonky, Stock, sturovo, sundaydrive54, SupaFlyTA, Supe, supercooper, Superguitarninja, svazquez104, Sw4y1313, TaDLaD, Taifighter, TalkingPie, Tallguyboost, tann3r, tasty danish, tedban, Tekel, terrorik, thebeerbaron, Thebigtwinkie21, TheLeech, themadscientist, thenuge26, ThePass, TheV's, thirdgen, Thodistortion, Invisible, tincan, tinsfci, TNTUBA, Tom, Tony the Tiger, TOOSLOWW, toppertee, TorqueZombie, Invisible, trickyrix, trikchop, triple88a, trunks2kg, tuckermon, Turblowdmiata, Turboburke, turbofan, TurboNA, TurboTim, Tw34k, twothirdsCobra, Tyler01, Tylerq219, type49, upbadlentopb, upbadlentopn, UrbanSoot, Vashthestampede, Venice, Vilko, vintagerust, viperormiata, vitamin808, vjaneczko, voodoo91, vortexblue, vplukas101, vrmmmpshhh, w650gb500, wdd1040, WestfieldMX5, wfbal, whipplewhine, white_fly, WildCJ5, Winny, wittyworks, Woody, Wuga, X96naX, xturner, y8s, Yanballs, yellowihss, z31maniac, Zabac, Zander, Zaphod, zensmiata, zetec21, zipstrips, zoomzoom365, [Ode]

The most registrations in one day was 76, 04-10-2013.
anakin, ch4ng