From running to Triathlon training

This is my first season of triathlon, but most of us - especially those who are training for HIM/IM distances - do more than one of s/b/r at least a few days a week. I do a long and sometimes a medium standalone run, and then short runs on the same day as a swim or bike. Some run 5-6 days a week on top of the other two disciplines. It just depends what you have time for and what goals you're reaching for.

I made a similar transition to you but from a HM last fall. I began my first season of triathlon training this year in May (work and an ankle injury prevented me from starting earlier in the year) and I have my first triathlon race at the end of August. Since I didn't come directly off my HM I decided to make my own "three-fer" training plan (based off the free on provided on this website. I have been managing three s/b/r each week and doing well. I still have the urges to try for more running since I'm somewhat better in that area compared to the other two but over the last couple months of training I have come to enjoy all three equally. Either way my training consists of:

Swimming: All three days base building to get up to the oly distance. I'll plan on non-base building after my first triathlon during the winter season since right now I'm just ensuring I can cover the race distance.

Biking: Two days are base building again for the same reason as in swimming. However, I try to do one day of some crude intervals to train myself to hold a faster speed than my usual. Just a little speed training of which I will pursue further once my first tri season is over.

Running: Again this is all based on coming off 6 months of sedentary lifestyle due to my demanding work and on top of that a very stupid ankle injury JUST as I started to begin my triathlon training. No surprise here I re-built my base running back to where it was during my HM training from the previous season. However, I am a bit slower due to my ligament injury. However, once the season is over I plan to work on my interval training once I am more comfortable.

It was good for me to write that down lol but I figured it may have some kind of advice in there for someone. I would suggest giving the others a try but realize that your running shouldn't have to suffer but rather you'll have to manage your run training a bit more since you also have to try to build up the swim and bike. I wish you good luck and enjoy the triathlon training!