# HR Training - An idiot with a question **URL:** \ **Category:** Training\ **Created:** [May 22, 2022, 11:20am UTC](https://wahoox.forum.wahoofitness.com/t/hr-training-an-idiot-with-a-question/18541 "2022-05-22T11:20:19Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![Coach.Spencer.R](https://sea2.discourse-cdn.com/flex020/user_avatar/wahoox.forum.wahoofitness.com/coach.spencer.r/32/281_2.png) [@Coach.Spencer.R](https://wahoox.forum.wahoofitness.com/u/Coach.Spencer.R)\ **Post date:** [May 22, 2022, 12:48pm UTC](https://wahoox.forum.wahoofitness.com/t/hr-training-an-idiot-with-a-question/18541/3 "2022-05-22T12:48:14Z")
Hey @CPT_A , There a re many factors that can affect HR during a workout that affect HR drift: temperature, hydration status, fatigue, stress, caffeine, sleep quality, duration of workout/intervals, etc. My initial recommendation is to go with power but use your best judgement if feeling the need to reduce intensity. Also when was the last time you tested either HM or FF? Make sure you have a really good fan when training indoors to reduce the amount of HR drift. Here is an article and podcast to check out if you haven’t done so already: > **[Everything You Should Know About Heart Rate Training | Wahoo Fitness](https://www.wahoofitness.com/blog/everything-know-heart-rate-training/)** > > Heart Rate Training (HRT) seems like a no-brainer. Using your heart as a guide to workout more efficiently should be fairly standard fare. However... > [@New Knowledge Podcast - Why you should consider training by feel / Rate of Perceived Exertion (RPE)](https://wahoox.forum.wahoofitness.com/t/new-knowledge-podcast-why-you-should-consider-training-by-feel-rate-of-perceived-exertion-rpe/17471): > > Recent advantages in technology have made training with power or heart rate more affordable and accessible. But before we had power targets and heart rate zones, endurance athletes used to train solely by feel, also known as Rate of Perceived Exertion (RPE). In this episode of The Knowledge, Wahoo Sports Science coaches Dr. Jinger Gottschall and Mac Cassin discuss the benefits and limitations of taking off your heart rate monitor, unplugging your power meter, and training the good old fashioned … Glad you figured out the %LTHR issue on your outdoor rides. Cheers, Spencer --- _[View the full topic](https://wahoox.forum.wahoofitness.com/t/hr-training-an-idiot-with-a-question/18541)._