# Using 5min power (or another duration) for workout interval prescription

**URL:** <https://forum.intervals.icu/t/using-5min-power-or-another-duration-for-workout-interval-prescription/118019>\
**Category:** Uncategorized\
**Created:** [22 December 2025 22:20 UTC](https://forum.intervals.icu/t/using-5min-power-or-another-duration-for-workout-interval-prescription/118019 "2025-12-22T22:20:31Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![findango](https://forum.intervals.icu/user_avatar/forum.intervals.icu/findango/32/65973_2.png) [@findango](https://forum.intervals.icu/u/findango)\
**Post date:** [26 December 2025 18:28 UTC](https://forum.intervals.icu/t/using-5min-power-or-another-duration-for-workout-interval-prescription/118019/5 "2025-12-26T18:28:17Z")

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As I understand it, [MMP values come from your modelled power curve](https://forum.intervals.icu/t/power-model-now-complete/1680/4). But it’s possible to manually define a curve on the Power screen, so if you wanted to override some values I guess you could?

 ![Screenshot 2025-12-26 at 10.26.10 AM](https://forum.intervals.icu/uploads/default/original/3X/a/b/ab36c8125c60c0901ace2495d0c948a5490cda17.png)

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