4 ms·

I’ve done marathon training while on keto. Obviously a much different power output need to cycling so take this with a grain of salt… it took me about a month t

I’ve done marathon training while on keto. Obviously a much different power output need to cycling so take this with a grain of salt… it took me about a month to adjust. That first month had me really struggling to even do 50% of the training distance I was used to. And then it all just clicked suddenly. Not like I started improving again, literally went from struggling to straight back to race performance. One day I was struggling to do a slow 10km. A few days later I ran 35km near race pace. It was a very weird experience. I’ve been out of keto and training habit for a few months now (recovering from surgery) but I also seem to recall having a different sense of energy awareness while running. Like somewhere between the 30-40min range of a run I’d suddenly feel more awake and like I’d just had a coffee.

brianwawok 4y ago
As someone who both runs and bikes, I don't think Marathon vs Cycling is that different. You just need to compare similar efforts, are you pushing a marathon to hit 2:30 or whatever? Then compare to biking a shorter crit. Or if you are doing a 5:00 marathon, compare to a century.
- nradov 4y ago
  Marathon running is typically at a steady pace with only minor variations in the energy output needed. Except for time trials, cycling power is a lot more variable. A cyclist in a road race might be cruising along in the peloton for most of the race but then have to sprint near maximum power to attack or chase several times at unpredictable intervals. So training plans focused on one sport or the other end up looking significantly different in terms of target heart rate zones or perceived exertion, even when training for races of similar duration.
  - glenngillen 4y ago
    More like a low 3:00 time for me these days (to answer OP). Which as you’ve said is mostly a product of a very steady pace. Hopefully only a 3% variance of my cadence over the distance. Pace may change a little based on the gradient. But it’s a pretty consistent power output for 3hrs. I’m basing my incredibly limited cycling knowledge on listening to my friends talk about their weekend rides. Certainly seems like a lot more variance with power demands for the climbs, slip streaming on the descents, and then the variance from peloton positioning when they’re in the long flat sections along the coast.
    - nradov 4y ago
      Here's a good example from when Sepp Kuss won Stage 15 of the 2021 Tour de France. It was a massive effort over 5 hours but his power output varied a lot at various points. https://www.strava.com/activities/5612150086/power-distribution https://www.strava.com/activities/5612150086/power-distribut...

brianwawok 4y ago

As someone who both runs and bikes, I don't think Marathon vs Cycling is that different. You just need to compare similar efforts, are you pushing a marathon to hit 2:30 or whatever? Then compare to biking a shorter crit. Or if you are doing a 5:00 marathon, compare to a century.

nradov 4y ago
Marathon running is typically at a steady pace with only minor variations in the energy output needed. Except for time trials, cycling power is a lot more variable. A cyclist in a road race might be cruising along in the peloton for most of the race but then have to sprint near maximum power to attack or chase several times at unpredictable intervals. So training plans focused on one sport or the other end up looking significantly different in terms of target heart rate zones or perceived exertion, even when training for races of similar duration.
- glenngillen 4y ago
  More like a low 3:00 time for me these days (to answer OP). Which as you’ve said is mostly a product of a very steady pace. Hopefully only a 3% variance of my cadence over the distance. Pace may change a little based on the gradient. But it’s a pretty consistent power output for 3hrs. I’m basing my incredibly limited cycling knowledge on listening to my friends talk about their weekend rides. Certainly seems like a lot more variance with power demands for the climbs, slip streaming on the descents, and then the variance from peloton positioning when they’re in the long flat sections along the coast.
  - nradov 4y ago
    Here's a good example from when Sepp Kuss won Stage 15 of the 2021 Tour de France. It was a massive effort over 5 hours but his power output varied a lot at various points. https://www.strava.com/activities/5612150086/power-distribution https://www.strava.com/activities/5612150086/power-distribut...