Hey @iLikeMTB ! Stoked to hear you are taking on Epic. Truly deserving of the name!
In my prep for Cape Epic, I was testing different training methods (as we often do internally) and I personally did too many longer weekend rides coming into Cape Epic. They were 4-5hrs long, and while I know that’s a blip on the radar for the sport’s elite, those longer weekend rides made it tougher for me to recover to the point where I could effectively push myself and adapt with my mid-week higher intensity workouts (I followed a Polarized approach for Cape Epic, fwiw, so 2 intense workouts per week).
I didn’t realize this at the time. Instead of feeling like excessive fatigue, it just felt like I was nearing my limits. Now that TrainerRoad detects fatigue, I can see lots of yellow and some red days that weren’t respected.
My point in sharing this is that it is important to leave headroom rather than seeking to fill it up, and I think us average cyclists with a lot of life responsibilities underestimate how much fatigue comes from those longer weekend rides, as well as their damaging effect on adaptations.
There’s some great advice so far in this thread, so some of the below is redundant.
Addressing some of your key concerns:
2 vs. 3 Days of Higher Intensity
I’d go for 2 days in your case, particularly since you’ve found it to work well.
Training Approach
I’d stick with what TrainerRoad has suggested for at least the first four weeks, then reassess if you want to increase to Demanding after that.
Volume: Too Low for Cape Epic?
The right training volume is less about what’s needed for the specific duration of the race, and more about what you need to achieve sustainable progressive overload.
That breaks our brains a bit, because in our minds we simply need to rise to the occasion of the race by taking on bigger training volume to be prepared for the race.
But if you step back and look at it logically, that assumption falls apart quickly.
We get faster when we are dosed with moderate levels of overload that we can recover and adapt from. Our limits in this regard will go up if (and that’s a BIG IF) we are consistent with (1) Training (2) Nutrition (3) Recovery.
Our data backs this up and shows it’s best to meet athletes where they are at and give them progressive overload at a manageable rate, rather than just giving them a base volume of X hours because the event will be X hours long.
In your case, TrainerRoad has analyzed your training and recommended you start at this point. As you progress in your abilities, it will adjust.
If you felt you were lacking staying power later in the race, then I’d follow this self-assesment:
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Did I fuel the work at at least 90g/hr throughout the race with a simplified glucose/fructose nutrition product?
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Did I take in adequate liquid volume and sodium levels to match my sweat rates?
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Did I pace the race in a reasonable manner for my abilities?
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Did I come into the event glycogen loaded from an intentional carb loading plan?
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Did I follow my training plan with consistency (not missing workouts and not doing too much/not enough)?
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Have I been disciplined with my sleeping habits?
In my experience “the wrong training plan” is a common scapegoat for problems caused by shortcomings in the areas above.
Not to say you can’t have the wrong training plan, but no matter how good the plan is, if you miss on the above, your hard work will not be able to show itself.
If it helps, feel free to gradually extend your longer weekend endurance rides, but do so gradually (no more than 30 minutes per week is my personal suggestion), and not until you’ve gone through at least 4 weeks of your plan as prescribed.
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Super excited for you! I think you’ll do great with what the new plan builder will give you. If you can just focus on being strict with consistency, nutrition, sleep, and pacing, then you’ll outperform your near competition in the latter half of the race.