pacesetterpace‧set‧ter /ˈpeɪs-setə $ -ər/ (also pacemaker) noun [countable] 
Examples
That left him three strokes behind the pacesetter, Parry.2a person or company that is considered to be a leader in a particular area of activity: a new company, now seen as the industry’s pacesetter3pacemaker(2)
ExamplesEXAMPLES FROM THE CORPUS
word sets- The pacesetter on Friday was Schumacher's teammate Rubens Barrichello, who clocked a lap record of one minute 28.965 seconds.
- To date, the banks have been among the pacesetters in western capital's Drang nach dem Osten.
WORD SETS► Sport
1a person or team that is winning in a competition, and that others have to try to defeat: ace, nounace, verbacrobat, nounacrobatic, adjectiveacrobatics, nounaction replay, nounaerobic, adjectiveaim, nounaim, verball-American, adjectiveall-seater, adjectivearena, nounAstroTurf, nounattack, verbaway, adverbaway, adjectiveback, nounbackhand, nounbackhanded, adjectivebackhander, nounbackspin, nounball, nounball game, nounbaseline, nounbat, nounbench, verbbleachers, nounblock, nounbobble, verbbout, nounbowl, nounbowl, verbbowling alley, nounbowling ball, nounbowling green, nounbox, nounbox, verbboxer, nounbronze, nounbronze medal, nounbye, nouncall, verbcall, nouncap, verbcaptain, nouncaptain, verbcaptaincy, nounchange, verbchanging room, nouncheer, nouncheerleader, nouncheerleading, nounchip, nounchip, verbcircuit training, nounclose season, nounclubhouse, nouncoach, nounconference, nouncontender, nouncourse, nouncourse, verbcourt, nouncover, verbcross, verbcross, nouncross-country, adjectivecrown, nouncup, nouncup final, nouncup tie, nouncurve, noundead, adjectivedecider, noundefence, noundefend, verbdefender, noundefensive, adjectivederby, noundisallow, verbdisqualify, verbdivision, noundivot, noundown, adverbdraft, noundraw, verbdraw, noundribble, verbdribble, noundrive, noundrop, verbdrop goal, noundropkick, noundrop shot, noundrubbing, noundugout, nouneleven, numberequalize, verbequalizer, nouneven, adjectiveevent, nounface, nounfast, adjectivefavourite, nounfeint, nounfield, verbfielder, nounfieldsman, nounfield sports, nounfight, verbfight, nounfighter, nounfinalist, nounfirst half, nounfirst-string, adjectivefixture, nounflat, adjectiveflip, nounfollow-through, nounfootball, nounfootwork, nounform, nounfoul, nounfoul line, nounfriendly, adjectivefull-court press, nounfull time, nounfumble, verbgala, noungame, noungame point, noungate, noungoal, noungoalie, noungoalkeeper, noungoalless, adjectivegoal line, noungoalmouth, noungoalpost, noungoaltender, noungold, noungold medal, noungrand slam, noungrandstand, nounground staff, noungym shoe, noungymslip, nounhalf, nounhalfback, nounhalf nelson, nounhalf-time, nounhammer, nounhandball, nounhand-eye co-ordination, nounhandicap, nounhandspring, nounhandstand, nounhat trick, nounhead start, nounheat, nounheavy, adjectivehiding, nounhome, adjectivein, adverbinfield, nouninjury time, nouninterference, nouninternational, nounjersey, nounjock, nounjockstrap, nounjogging suit, nounjump, nounjump ball, nounjumper, nounjumping jack, nounjump shot, nounjunior varsity, nounlane, nounleague table, nounletter, nounletter, verblevel, verblineman, nounlinesman, nounline-up, nounlocker, nounlocker room, nounluge, nounmallet, nounmanager, nounmark, verbmassacre, nounmassacre, verbmatch, nounmedal, nounmedallist, nounmeeting, nounMexican wave, nounmidfield, nounmisfield, verbmixed doubles, nounmotocross, nounmotor racing, nounmuff, verbmusclebound, adjectivemuscleman, nounnet, nounnet, verbnetball, nounnil, nounno ball, nounoarsman, nounoarswoman, nounobstruction, nounoffense, nounoffensive, adjectiveoffside, adjectiveOlympiad, nounOlympic, adjectiveOlympic Games, the, onside, adjectiveopener, nounopponent, nounout, adverbout, nounoutdistance, verboutsider, nounoverarm, adjectiveoverhand, adjectiveown goal, nounpacesetter, nounpass, verbpass, nounPE, nounpenalty, nounpep rally, nounperiod, nounphoto finish, nounphysical education, nounpitch, nounplace kick, nounplayable, adjectiveplay-by-play, nounplayer, nounplaying field, nounplay-off, nounpoint, nounpole, verbposition, nounpossession, nounpost, nounpreliminary, nounpro-am, nounprofessionalism, nounpromote, verbpromotion, nounPT, nounpull, verbpull-up, nounpummel, verbpunchbag, nounqualifier, nounqualify, verbquarter-final, nounrace, verbracetrack, nounracing, adjectiveracket, nounrain check, nounrally, nounrecord, nounrecord-holder, nounrecreation ground, nounref, nounreferee, nounreferee, verbregatta, nounrelay, nounrelay race, nounrelegate, verbreplay, verbreplay, nounrerun, verbreserve, nounretire, verbreturn, verbrevenge, nounringside, nounroll, nounrookie, nounround, nounround robin, nounrunner, nounrunner-up, nounrun-up, nounsave, verbsave, nounscore, nounscore, verbscorer, nounscratch, verbscratch, adjectivescreen, nounscrimmage, nounselector, nounsemi, nounsemi-final, nounsemi-finalist, nounsemi-professional, adjectiveserve, verbserve, nounserver, nounservice, nounset, nounshoot, verbshoot, nounshot, nounsideline, nounsilver, nounsilver medal, nounskate, nounskipper, nounslaughter, verbslice, verbslick, nounslump, nounsnowmobile, nounsnowshoe, nounsomersault, nounsouthpaw, nounspar, verbsparring partner, nounspectate, verbspectator, nounspectator sport, nounspin, nounsports centre, nounsports day, nounsportsmanship, nounsporty, adjectivespot, verbsprint, verbsquad, nounstadium, nounstagger, verbstart, nounstarter, nounstarting blocks, nounstayer, nounstick, nounstraight, nounstrip, nounstroke, nounstud, nounsub, nounsudden death, nounsweatband, nounsweatpants, nounsweat suit, nountackle, verbtackle, nountalent scout, nountarget, nounteam-mate, nounthree-legged race, nounthrow, nounthrust, verbtie, nountiebreaker, nountight, adjectivetime, verbtimekeeper, nountime out, nountitle, nountitle holder, nountopspin, nountoreador, nountour, nountournament, nountrack, nountrain, verbtransfer fee, nountrophy, nountryout, nounumpire, nounumpire, verbunbeatable, adjectiveundecided, adjectiveunderarm, adverbunderhand, adverbunplaced, adjectiveuppercut, nounvarsity, nounvolley, nounvolley, verbwalking, nounwarm-up, nounwet suit, nounwhippet, nounwhistle, verbwhistle, nounwin, nounwing, nounwinger, nounworkout, nounwristband, noun
That left him three strokes behind the pacesetter, Parry.2a person or company that is considered to be a leader in a particular area of activity: a new company, now seen as the industry’s pacesetter3pacemaker(2)