Intermediate Maintenance Running Plan: 30 to 50 km a Week

An intermediate maintenance plan holds 40 km a week on five runs, with one threshold and one interval session in every loading week. It runs in four-week blocks, three steady weeks and one lighter. It fits runners who train 30 to 50 km a week between races, after a marathon, or through a busy stretch of life.

The 8 weeks

Sample plan · Intermediate maintenance

8 weeks, 5 runs a week, 41 km a week, longest run 14 km. Built for a recent 5k of 21:00 (VDOT 47.0). 75 % of the running is easy.

Maintain

Week	Km	Key sessions	Long run
1 Maintain	40	Cruise intervals: 3 × 1.6 km T (1 min jog); Long intervals: 4 × 3 min I (3 min jog)	14 km long run
2 Maintain	40	Tempo run: 20 min T; 30/15 sets: 2 × (13 × 30 s I / 15 s jog), 3 min between sets	14 km progressive long run
3 Maintain	41	Broken tempo: 2 × 9 min T (2 min jog); Hill repeats: 10 × 75 s I (2 min jog)	14 km long run
4 Maintain, recovery	31	Progression run: 13 min M · 13 min T; 1000 m repeats: 3 × 1000 m I (400 m jog)	8 km long run
5 Maintain	40	Cruise intervals: 3 × 1.6 km T (1 min jog); Long intervals: 4 × 3 min I (3 min jog)	14 km long run
6 Maintain	41	Tempo run: 20 min T; 30/15 sets: 2 × (13 × 30 s I / 15 s jog), 3 min between sets	14 km progressive long run
7 Maintain	41	Broken tempo: 2 × 9 min T (2 min jog); 5k time trial	14 km long run
8 Maintain, recovery	31	Progression run: 13 min M · 13 min T; 1000 m repeats: 3 × 1000 m I (400 m jog)	8 km long run

Open this plan with your own race time →

The sample runner has a 21:00 5k and runs five days a week:

• Weeks 1 to 3. About 40 km each. Threshold rotates through 3 × 1.6 km cruise intervals, a 20-minute tempo and 2 × 9 minutes broken tempo. Intervals rotate through 4 × 3 minutes, 30/15 sets and 10 hill repeats of 75 seconds. The 14 km long run alternates easy and progressive.
• Week 4. 31 km. A 13-minute marathon-pace plus 13-minute threshold progression and 3 × 1000 m, with a shorter long run.
• Weeks 5 to 8. The same block again, with a 5k time trial in week 7 in place of the interval session.

Who this plan is for

Maintenance levels come from how much you run, because there is no race time to aim at. Intermediate is 30 to 50 km a week. Enter your own volume in the generator and the plan holds it. Leave it empty and it uses 40 km. A recent race sets every pace through Jack Daniels' VDOT.

The easy-only trap

The natural move between races is to keep running and drop the hard sessions. It feels like rest. It costs fitness.

Hickson et al. (1985) took people who had just trained for ten weeks, running and cycling, and kept their six days a week and their session length for fifteen more, with the intensity cut by a third. VO2max dropped. Long-term endurance, the time they could hold a hard effort, fell by 21 %. A second group cut the intensity by two thirds and lost even more.

The opposite experiment went the other way. Keeping the intensity while cutting to two or four days a week held VO2max for fifteen weeks (Hickson and Rosenkoetter 1981). A review of the maintenance research found the same: endurance holds on as few as two sessions a week, or with volume cut by a third to two thirds, as long as intensity stays (Spiering et al. 2021).

That is the design of this plan:

• Threshold and intervals every loading week, at full pace. These are the two things that keep what you built.
• Flat volume. No weekly increase, because nothing is being built.
• A lighter fourth week at 75 %, so the block can repeat without fatigue piling up.
• A 5k time trial in week 7, so the paces follow your fitness instead of lagging behind it.

About three quarters of the running stays easy.

Your own plan

The maintenance running plan generator builds your block from your weekly volume, your running days, your long-run day and a recent race. Pick 4, 8 or 12 weeks. Every session shows pace, distance and purpose. Free, no account, PDF included.

When the next race is set, move to a race plan for your distance.

FAQ

Can I maintain fitness on 30 km a week if I used to run 50? Often, yes. Endurance held with volume cut by a third to two thirds when intensity stayed (Spiering et al. 2021). Enter 30 km as your weekly volume and the plan keeps both quality sessions.

How long does a maintenance block last? Four, eight or twelve weeks. The research covers up to 15 weeks, so the plan stops at 12.

What if I feel fresher than expected? Enter your week-7 time trial. If it is faster, every pace moves up for the next block.

Can I race a parkrun during the block? Yes, in place of the interval session. Never add it on top, or two hard days end up back to back.

Only need your training paces? Enter a recent race:

More in this series: the beginner, advanced and sub-elite maintenance plans, and the intermediate marathon plan.

Sources

• Hickson et al. 1985, reduced training intensity
• Hickson and Rosenkoetter 1981, reduced training frequency
• Spiering et al. 2021, minimal dose to maintain performance

Cover image: TrainingZones.