I’m a mesomorph, 17 years old. 5 foot 7, hover between 145-155 depending on the time of year.
From age 6-14 all I did was play ice hockey, football, and wrestle. Started lifting at 12, was decently muscular when I began cross country running in high school. Got to 17:49 as a junior, still pretty muscular, and fighting injuries. I also have very large legs relative to my size. I have a 28 inch waist but have to buy 30/30 pants to allow room for my quads.
I started triathlon training in December 2013, and 2014 was my first season of racing. I just learned to swim last November (2013) and currently swim about 13:20 for 1000scy.
My weeks look something like this right now:
M - 4.5k swim, weights
T - 4.5k swim, 60’ ride w/power drills (single leg)
W - Weights, 1:35 ride w/hard intervals (ie 5x5’), 15’ brick run OTB
T - 4.5k swim, 60’ ride moderate aerobic pace w/high cadence (100+), 4x30’ spinups at the end (get cadence as high as possible, hold for a few seconds, then spin back down)
F - 4k swim w/sprint intervals (ie 10x100 flat out on 2:00 avg 1:12ish, so plenty of rest for lactic to build up. I don’t have much speed), weights
S - 5 to 6k swim, 1:45 ride w/longer brick run but never longer than 45’
S - 2:30 or longer on the bike w/hard intervals (ie 6/5/4/3/2/1 w/equal recoveries), 20’ brick run
So, that’s 5 swims, 5 bikes, 3 runs. Right now I’m fighting a hip flexor issue so I don’t do the runs. Having run 17:49 before, this lets me run 18:40-19:10 off the bike in races off of about 8-10MPW (my higher weight has led to stress fractures in the past).
The way I get that much out of these runs is by doing almost entirely tempo pace or faster, I use the swim and bike for general aerobic fitness. So a 20’ brick run might be 5’ shake out, 10’ hard tempo, 5’ easy. Or 15’ tempo, 5’ ez cooldown.
When I’m about a month out from a big race, I do 3x1 mile OTB @ 5:45 or faster, and jog to cooldown until I’m at 20’.
Another key workout, which I always do about 10 days prior to a race, is 15’ bike wu, then 3x(15’ hard bike, 10’ tempo run OTB), then a 15’ cooldown. Work the transitions hard.
I take advantage of the pool to help build aerobic fitness without pounding the bones. Granted, it leads to building muscle up top, but I get a lot out of the swimming and I’m trying to improve it so I do a lot of it.
You’ll notice that even though I build muscle easily due to the mesomorph build, I still lift 3x/week. I like to feel strong, I do it to stay strong in the right ways, and with all the aerobic stuff I do, I actually probably only carry another 5lbs because of it. I’m not going to claim that it helps my splits, but I’ve not had good results when stopping lifting.
FWIW, I swim about 13:20 1000scy, bike 23mph, and run sub-19:00 OTB off of this schedule.
You could modify this to suit any distance. I WOULD NOT RECOMMEND DOING ANY SORT OF RACE OVER THE OLYMPIC DISTANCE WITH THIS LITTLE RUNNING. I compete in sprint distance races and am looking to move to ITU junior elite next season, in addition to doing olympic distance collegiate racing. My running is still fine on this schedule, did a 37:00 10k TT solo just after wrapping up my season.
If you wanted to modify for longer racing, I would cut the Saturday swim, and do the long Sunday bike on Saturday, and do a double on Sunday along the lines of 45’ run AM / 1:15 bike w/45’ run PM. Additionally, I would do another 45’ run instead of weights on Wednesday. My father does half-ironman racing and has success with this type of training (same build as me).
I hope this helps and doesn’t sound like a ramble. I have struggled to find an approach that works for myself as a heavier triathlete (relative to height), and my training is usually a work in progress as I change it in response to my body’s response to things.