$teady$upreme, .one lane, 118fe8e4j, Invisible, 1993ka24det, 1BAD96, 1cockyz, 2006GT, 240_to_miata, 2manyhobyz, 2ndGearRubber, 3rdCarMX5, 420, 90R, 91hitman, 94mx5red, 97montego, 993love, 99mx5, aaronc7, ACiFiC, adamiata, Adamsm, adriver1990, advancedynamix, agentorunge, AkaZero, albertogti117, albumleaf, Alexandria3293, AlexL, AlexO35, alik, alphasaur, alpinaturbo, Alpod, Alta_Racer, Amellrotts, Angryoven, angusm, Animus21, AntiochOG, antransj, ap1miata, apalac01, arbinshire, Arny, atlnb, avante43, b3d3g1, bahurd, baron340, Bax, bbundy, bellwilliam, Benm, Bergie, bhoss, Bifftuxedo1, bigben, BigDmiata, billybobster, Billycl, birdzofprey, Blacknb1, blaen99, blakecj7, blloyd29, blown383, bluegs03, bmxfuel007, Boosted Escort, BoostedSmurf, BracedEunos, BradC, Braineack, Brendanj, BTMiata, btothefnrock, bubb, budo95, buffon01, calimiata, callmelinc, Caoboy, CAPTAIN BWANA, ccsfd, CGLDorikin, charchri4, CharlesE, cheapmac, chewy, Chiburbian, Chilicharger665, chpmnsws6, Chris Swearingen, chriscar, Ciotti, cjsafski, Clos561, codrus, Colin P, compaddict, comradefks, concealer404, ConeCrasher, cordycord, Corey, corkscrew, Corky Bell, crimson_yachiru, CromMacBasho, CRYPTiC, cr_sti, ctdrftna, curly, czubaka, d2unkm0nk3y, Daheavyking, Dalardan, DaleNixon, damir130, danduv, DanielJ, Darthteddy, Dave, DaveC, dblinx, dead, Dead Skunk, Deadmau5, Decibel Nation, Invisible, Dem768, Der_Idiot, dgmorr, Diamond Dave, dierks01, dieselmiata, djp0623, Dlaitini, domsmiata, Invisible, Dot3, doward, dravas, driftindazza, DrSideways, druz, drv2fst, dscsk8er55, Dubbleduecer, duffbuster243, eccentric, Edens, Ek9.civic, elesjuan, ElTee, emilio700, emulsifide, endura, Enginerd, EO2K, ericsbestshot, evank, Evergreen, evilsunburst, Evoborg, exexx, exST165, ExViTermini, f2fan, fastivab6tg25mr, fc3s690, filphil, Fireindc, flashlegs, flier129, flounder, FlyinMSM, FowlerMotorsports, Fra66L, FrankB, Frank_and_Beans, fredb, FrontYardigans, FRT_Fun, FSTENUF, ftjandra, fujioko, Full_Tilt_Boogie, furiousbob, furrycurry33, fwman1, G3RG, GeneSplicer, gfeeley, Glooba, Godless Commie, GoFast, Golddigger, Good Enough, gorillazfan1023, Grantofhell, grenadegangsta, GRIMRemembeR, grip driver, gthill13, gtred, gtz, halfpint, Handy Man, HardHitter, hector, Hey JT, HHammerly, hobbs, Hobo Jonny, hochkis, hockey930, hornetball, Hot_Wheels, hrk, Hungry-R, hustler, hx1966, IcantDo55, iceman32, ihmcguinness, ILoveOffRamps, Impuls, inferno94, iRoush, iTurn, itzzspencer, iv46vi, ja4220, jaguarcat311, JasonC SBB, jay524288, JayL, JDMPalace, Jeff_Ciesielski, jhehl, Jiggerachi, Invisible, jmann, JMarsh, JMLTOY, jnshk, Joe Perez, JoeTheZoe, JoeWagon, Joker, jonnyjl, Joseductive, Joseph B, joyrider, Jpopsbronco, jpreston, jprince, Jr125, jrmotorsports55, JSpeed6, kaboshe, Kahmael, kaisersoze, kenzo42, kero, KevinLG, khochpak, Kinavo, Kingspeed, kjr50, krissetsfire, kruze, kww502, kykykaka, L2 Tuning, Landrew, lassi, latena, lazzer408, Leafy, lesac, lieske, lightyear, lordrigamus, ls1motorsports, lsc224, ltq88120, LukeH, m2cupcar, M2Tim, maaltone, MarkI, Mason77, matthewdesigns, maxc14, mazda311, MazDilla, mcfandango, McLeary, MeFryRice, mellowout, meowmeows, messiahx, mgeoffriau, Miata.SharK, miata2fast, miata94, Miata99, miatacross, miatamike203, miatanutz, midpack, mike884, mikeboldt, Mobius, MOL, monkeywinky, mooney1184, motophile, motormechanic, Mr. Wob, MR.M!474, Invisible, mrjones2, mr_hyde, msmzero, mspdmx3, muoto, mx5-kiwi, mx592, mx5booster, my90, NA6C-Guy, na8, Nagase, NastyNate, natedawg, Neilv, neo1999, NeoKyo, new2mx5, newold_m, nismo502, nitrodann, nittojoe, nixapgt, njn63, NW Bill, Oculus Sinister, oilstain, old school, olderguy, omer_yildir, onthepipe, Opti, orion4096, orlmiata, Oscar, PaCHeKo!, palmerino17, paNX2K&SE-R, PatrickW, pdexta, Peckershnite, peispeedster, Pen2_the_penguin, Peodi, Invisible, philstireservice, phrenetiK, Phung018, PiazzaT, Pinky, plucas, proto, psyber_0ptix, pug106, qax, ragama, RayinNorCal, RAZ3R, rbao, rccote, Rcnitrofreek, RdSnake, Red91, RedCarmel, redrider706, relte, Reverant, rex1223, rharris19, richyvrlimited, RightHandMan, riqah, Risingsun124, rkevans, rkim, rkorenek, rleete, rnorma1, robertcope, Rogue_LE, Rokomis, rolfer, roy obanion, RpmClassics, RS_PL, Ruben7520, Rudes333, RunninOnEmpty, RussellT94, ruthless013, rx7autoxer, RyanRaduechel, RyanV, RyanY, Ryan_G, Ryhn, s2k34, s4w2099, saint gerald, Saionara, SakariOestermalm, samnavy, Invisible, Savington, sbcrx007, scenturion, ScottyP3821, Scrappy Jack, Screaming04, scsi, SDAROZA, Shagmaphype, Shahab, shooterschmidty, SideDraft, Sierra_Bravo, silvermazda, Silvernb, SKAR, skipstr, Ski_Lover, slammed200, Slider, SlowRider, SmOky, snailmx5, SNAILSHELLHERO, Sokool, SortaSlammed, southernmx5, Invisible, Sparetire, Speedmonkey, spestis, spitefulcheerio, Splitime, spoko majonez, sprp85, sstony, Staffah, StarletRick, stefan.h, stefanst, Stein, sterVin, stevetsmith2, Stock, stuntdrvr, sundaydrive54, Supe, supercooper, SuperTuner12010, sv650_ck, svazquez104, Sw4y1313, swankyjosh, TaDLaD, Taifighter, Tallguyboost, Tanakinn, tasty danish, Tekel, terrorik, TheBandit, thebeerbaron, TheLeech, themadscientist, thenuge26, ThePass, theshdwconspracy, TheV's, thewhyteknite, thirdgen, Thodistortion, ThunderFox, Tikiman12, timgsxr, Invisible, tincan, tinsfci, tintin74, tlagomars, TNTUBA, Tom, tomiboy, Tony the Tiger, TorqueZombie, TravisFC3S, Trboboost91, Trent, TrickerZ, trikchop, triple88a, trsilvias13, trunks2kg, Tsingson, TSR85, TTC, tuckermon, Turblowdmiata, Turbobarber, turbofan, Turbonator, TurboRoach, turbotyla, Twibs415, twothirdsCobra, Tyler01, type49, uavjeep, Uly, Vashthestampede, Venice, vindi49, viperormiata, vitamin j, VitaminD, vitorjorge, volks_werks@yahoo.co.uk, voodoo91, vwjoe, VW_Morrell, wannafbody, WestfieldMX5, wfbal, WildCJ5, wittyworks, wtb_fs, Wuga, wumple, X96naX, XeNoMoRpH, xturner, y8s, yada, z31maniac, Zabac, Zander, Zaphod, zdd4, zebraxus, Zel, zensmiata, zetec21, Invisible, zoomzoom, Zoot, Invisible, [Ode]

The most registrations in one day was 76, 04-10-2013.
Daheavyking, ElTee, na8, Oculus Sinister, Peckershnite, RightHandMan, snailmx5