Just cleaned this up from 220, might be of use, or add to as required:
Frequently Used TRI Terms on Messages and Articles:
1/2IM = 1/2 Ironman
AD = An*l devastation (pre race nerves - or worse mid race onset AD)
AG(er) =Age Group(er)
AHR = Average Heart Rate
AR = Adventure Racing
AT = Anaerobic Threshold
AT = in addition to Aerobic/Anaerobic Threshold also in context of dicussing injuries Achilles Tendon/Achilles Tendonitis
ATP = Annual Training Plan
ATP also = adenosine triphosphate which is what is broken down in the muscle to produce energy.
BAT = Boyfriend Added Tax
BB = Black Bomber
BMR = Basal Metobolic Rate
BOP = Back of pack
BOP(er) = Back of the Pack(er)
BPM = Beats Per Minute for Heart Rate
Brick = often used to describe a combination workout that includes a bike and run back to back.
BT = Break through workout session
Century = Bike ride of 100 miles
CT = Computrainer
DFL = Dead F***ing Last
DNF = Did not finish
DQ = Disqualified
DU = Duathlon (run bike run)
FAT = Fiancee Added Tax
FFS = For F!%# sake
FISH = good swimmer
FOP = Front of pack
FWIW = For what it's worth
GAT = Girlfriend Added Tax
HAT = Husband Added Tax
HF = Hip Flexor
HIM = Half IronMan
HR = Heart Rate
HRLT = Heart Rate at Lactate Threshold
HRM = Heart Rate Monitor
HROBLA = Heart Rate at Onset of Blood Lactate Accumulation (rare)
HTFU = Harden the F!%# Up
IIRC = If I Recall Correctly
IM = Ironman (Swim 2.4 miles, Bike 112 miles, Run 26.2 miles)
IM = Ironman
IMHO = in my humble opinion
IMO = in my opinion
IOW = In Other Words
ISTR = I Seem To Recall
ITB = Ilio Tibial Band
JFDI = Just F!%#ing Do It
LBM = Lean Body Mass
LBS = Local Bike Shop
LOL = Laughing Out Loud
LSD = Long Slow Distance
LT = lactate threshold
mary = marathon
Mdot = WTC sponsored race or that circle above an M thingy that is on Ironman trademarked stuff
MHR = Maximum Heart Rate
MOP(er) = Middle of the Pack(er)
mRHR = morning Resting Heart Rate (to distinguish the lowest rate vs. RHR which could be recovery heart rate.)
NFG = no f'n good (bad race)
NM = No Message!
OLY = Olympic distance triathlon (1.5K swim, 40K bike and 10K run)
OMPF = Obligatory Mid Pee Fart
PB = Personal Best (but more often referred to as a PR-personal record)
PC = Powercranks
PE = Perceived exertion/ effort
PF = plantar fasciatis
PNF = Paula Newby Fraser (aka. The Super Chicken)
PR = Personal Record
PV = Personal Victory
RHR = Resting Heart Rate
RHR = Resting Heart Rate
RICE = Rest, Ice, Compress, Elevate
ROTFLMAO = Rolling On The Floor Laughing My Off
RTFM = Read The F@^%$#@) Manual
SME = Swimming Made Easy (Terry Laughlin's 2000 version of TI)
SO = Significant Other
T1 = swim-to-bike transition
T2 = bike-to-run transition
TDF = Tour de France
TFL = Tensor Fascia Lata
TI = Total Immersion: swimming instruction by Terry Laughlin
TLA = three letter abbreviation (acronym)
TNO = TriNewbies Online
TT = Time Trial (usually in reference to cycling)
TTB = Triathlete's Training Bible, book by Joe Friel
TTT = Team Time Trial (and occaisionally "to the top" but "bump" is preferred.)
VT = ventilatory threshold. When you are totally sucking wind!
WAT = Wife Added Tax
WTC = World Triathlon Corp owners of Ironman Trademark
WTF = What the F!%#
Zone X = Refers to the Heart Rate Zone(s) as found in Joe Friel, Gale Bernhardt, and other's training books[/size][/font]