6x400m Mile Predictor
Workout - 6x400m Mile Predictor
- 10min @ 10'00''/mi
- 6 lots of:
- 400m @ 8'00''/mi
- 1min rest
- 10min @ 12'00''/mi
Ready to start training?
If you already having the Pacing app, click try to import
this workout:
Don’t have the app? Copy the reference above,
to import the workout after you install it.
to import the workout after you install it.
Key Training Concepts
- Speed‑endurance repeat – A classic coach’s tool is the 6 × 400 m session with 1‑minute recovery jogs separating each repetition. Your combined time across all six tells you what mile pace is realistic.
- Progressive overload – Begin with generous recovery periods, then cut them back as the season progresses. Building endurance means upping your repeat count (as many as 10 × 400 m) to get a clearer read on mile-running ability.
- Benchmark laps – Sub-4-minute mile aspirations require specific benchmarks: a 200 m done in about 26 s and a 400 m in roughly 50 s (maximum effort) to confirm you’re in the ballpark.
- Mental toughness – Picture yourself racing, work on composure when the pace gets hard, and view this repeat session as an opportunity to build mental resilience.
- Injury‑prevention – Build foot and ankle strength, watch for bunion symptoms, and stay disciplined about not jumping mileage by more than 10 % week to week.
Workout Example (track session)
- Warm‑up – Start with a 10-minute easy jog, then move into dynamic stretches like high-knees and butt-kicks.
- Main set – Run 6 × 400 m at your goal mile pace (roughly 1 min 00 s per 400 m if you’re chasing a 4-min mile). Between reps, jog easy for exactly 1 min.
- Cool‑down – Finish with 5–10 minutes of easy jogging and static stretches.
Tip: Once you’re stronger, drop recovery to 45 s or stack on more repeats—up to 10 × 400 m. The Pacing app can dial in your lap target and handle interval timing for you.
Practical Tips to Try Right Now
- Run a test lap: Head to a track and clock a solo 400 m. Anything over 55 s means there’s still ground to cover; target 50 s or faster.
- Monitor recovery: Wear a heart-rate monitor and check your resting pulse the morning after hard effort. If it’s still high, slot in an easy run before your next push workout.
- Weekly volume control: Cap your weekly boost—neither total miles nor speed-work volume should jump by more than 10 % in a single week.
- Strength: Twice a week, do foot-strengthening work like single-leg balance and towel scrunches to ward off bunion trouble.
Closing Note
Test out the 6 × 400 m workout this week, dial the paces to suit where you’re at fitness-wise, and log your results in the Pacing app for ongoing tweaks. That sub-4-minute mile is within reach—now get out there and have fun with it!
References
- How I Ran A Sub 4 Minute Mile - YouTube (YouTube Video)