Olympic triathlon training has gotten complicated with all the periodization schemes and training volume debates flying around. As someone who’s completed multiple triathlons after starting from zero swimming ability, I learned everything there is to know about preparing for the 1.5k swim, 40k bike, 10k run combo. Today, I will share it all with you.

That’s what makes triathlon training endearing to us multi-sport obsessed athletes — balancing three disciplines while not burning out.
The Reality Check
Probably should have led with this section, honestly — the Olympic distance is achievable but demands respect.
A 1.5k swim followed immediately by 40k on the bike, then 10k running. This takes most amateur athletes 2-3 hours. You need competence in all three sports plus the ability to transition between them while exhausted.
Weekly Structure
But what does an actual training week look like? In essence, something you can sustain. But it’s much more than that.
Six training days with one rest day works for most people. Swim 2-3 times, bike 2-3 times, run 2-3 times. That means some days have two sessions. Strength work fits around the cardio.
Sample week:
- Monday: Swim technique, strength training
- Tuesday: Bike intervals, easy run
- Wednesday: Swim endurance
- Thursday: Bike tempo, strength
- Friday: Run tempo
- Saturday: Brick workout (bike into run)
- Sunday: Rest
Swimming — The Common Weak Link
I’m apparently in the camp that struggled most with swimming. If you didn’t grow up in the pool, the 1.5k swim feels daunting. Focus on technique first — efficient swimming beats thrashing harder. Drill work, endurance sets, and occasional speed intervals build competence.
Frustrated by going nowhere fast in early swim sessions, I took lessons. Technique improvements doubled my efficiency within weeks.
Cycling — The Long Leg
The 40k bike takes the most time during the race. Long rides build endurance. Intervals develop power. Hill work creates strength. One long ride per week, one interval session, and easy spinning rounds out the program.
Running — Already Tired
Running off the bike feels different than fresh running. Practice this in “brick” workouts — bike immediately followed by a run. Your legs will feel heavy initially. They adapt with practice. Easy runs, tempo efforts, and occasional longer runs build the base.
Transitions Practice
Set up a mock transition area. Practice taking off a wetsuit, getting on the bike, then switching to running shoes. Seconds add up. Familiarity reduces panic on race day.
Nutrition and Hydration
Practice eating and drinking during training. What works during a casual ride might not work when your stomach is stressed from racing effort. Figure out your nutrition strategy before race day — surprises are unwelcome.
Making the Call
Start training 12-16 weeks out for a first Olympic triathlon. Be consistent rather than heroic. Rest when needed. Build gradually. The goal is arriving at race day healthy and prepared, not overtrained and injured.