Plantar Fasciitis for Runners: Can I Still Run?

Plantar fasciitis accounts for around 8% of all running injuries and is one of the most common reasons runners are forced to take time away from training. The good news is that the situation is rarely as black and white as stop running entirely or run through the pain. This guide explains exactly what running does to the plantar fascia, how to manage your training during recovery, and how to return to full running safely with an 8-week plan.

Why Are Runners So Prone to Plantar Fasciitis?

The plantar fascia handles enormous mechanical load during running — absorbing forces of two to three times your body weight with every footstrike. Over the course of a long run this load accumulates across thousands of steps. It is not surprising that it is one of the most commonly injured structures in runners.

Sudden Increases in Mileage

The most common trigger for plantar fasciitis in runners is a rapid increase in weekly mileage. The plantar fascia is strong but it needs time to adapt to increased load. Increasing mileage by more than 10% per week is widely considered a significant risk factor. This often happens when runners return from injury or holiday, ramp up training for a race, or switch from treadmill to road running.

Source: Hull University Teaching Hospitals NHS Trust

Running Surface

Hard surfaces — road, concrete and tarmac — transmit impact force directly through the foot with little absorption. Runners who primarily run on hard roads carry a higher risk than those who run on trails, grass or synthetic tracks. Cambered roads — where the road slopes slightly to one side — also create an uneven load across the two feet, which can contribute to plantar fasciitis developing on one side more than the other.

Source: Royal Orthopaedic Hospital NHS FT

Running Shoe Wear and Choice

Worn-out running shoes lose their cushioning and support long before they look visibly damaged. Most running specialists recommend replacing running shoes every 500 to 800 kilometres. Running in shoes that are too flat, too worn or simply the wrong type for your foot mechanics significantly increases plantar fasciitis risk. The transition to minimalist or zero-drop shoes too quickly is a particularly common trigger — the plantar fascia is not conditioned for the sudden increase in load this creates.

Source: NICE Clinical Knowledge Summary 2020

Tight Calves and Poor Flexibility

Tight gastrocnemius and soleus muscles are one of the strongest predictors of plantar fasciitis in runners. When the calf is tight it limits ankle flexibility during the push-off phase of running, transferring more stress to the plantar fascia. Runners who skip their post-run calf stretching routine, or who have naturally tight calves and hamstrings, are at significantly higher risk.

Source: Royal Berkshire NHS Physiotherapy Department

Can I Still Run With Plantar Fasciitis?

This is the question every runner asks. The honest answer is: it depends. And the answer is different for every runner depending on severity, stage of recovery and how you modify your training.

You Can Run If:

Pain during running stays below 3 out of 10
Pain settles within 30 minutes of finishing your run
Morning pain the day after is no worse than usual
You are able to run with your normal gait pattern — not limping or compensating

Reduce your mileage by 25 to 50% and avoid hard surfaces where possible. Always do your full stretch routine before and after.

Modify and Monitor If:

Pain during running reaches 4 to 5 out of 10
Pain takes more than an hour to settle after running
Morning pain is noticeably worse the day after a run
You are changing your running style to avoid pain

Switch to shorter, slower runs on softer surfaces. Increase cross-training. If symptoms do not improve within 2 weeks on reduced load, move to the red column.

Stop Running If:

Pain during running exceeds 5 out of 10
You are limping during or after running
Morning pain is significantly worse than before you ran
You are in a severe flare-up with constant heel pain
You have been advised by your GP or physiotherapist to rest from running

Take a complete break from running for at least 2 weeks. Focus on cross-training, daily stretches and the full home treatment protocol. Begin the return-to-run plan only once morning pain has reduced significantly.

Oxford University Hospitals NHS FT states that there is no clinical evidence that running causes further structural damage to the plantar fascia. However running may slow your recovery if it keeps pain elevated. Use the pain scale system above to guide your decisions rather than running through significant pain.

How to Modify Your Running During Recovery

Even if you are in the green or amber zone above, making these training modifications will significantly support your recovery without requiring you to stop running completely.

Reduce Weekly Mileage

Cut your weekly mileage by 25 to 50% immediately. This is not a permanent reduction — it is a temporary load management strategy while the fascia heals. Maintain the reduction for at least 4 to 6 weeks before gradually rebuilding.

Switch to Softer Surfaces

Move your runs from road and pavement to grass, trail, gravel or a synthetic track wherever possible. Softer surfaces absorb significantly more impact force and reduce the load on the plantar fascia with every footstrike.

Slow Down Your Pace

Faster running generates greater impact forces. Slowing your easy runs to a genuinely easy pace reduces load on the fascia. If you normally run at 5 minutes per kilometre, consider slowing to 6 to 6.30 per kilometre for all recovery runs during this period.

Run in the Afternoon Rather Than the Morning

Morning pain and stiffness are at their worst immediately after waking. The plantar fascia is at its most vulnerable in the first hour of the day. If possible move your runs to later in the day when the tissue has had time to warm up and loosen. Always do your morning stretches first regardless of when you run.

Check and Replace Your Running Shoes

Running shoes should be replaced every 500 to 800 kilometres. If your current shoes are beyond this they are not providing adequate cushioning or support regardless of how they look externally. Visit a specialist running shop for a gait analysis and shoe recommendation that suits your foot type.

Add Insoles to Your Running Shoes

Gel heel insoles or arch support insoles can be added to your running shoes to increase cushioning and reduce stress on the fascia. Off-the-shelf insoles from a pharmacy or running shop are a good first step. A podiatrist can advise on custom orthotics if needed.

Your Pre and Post-Run Routine During Recovery

Adding a targeted routine before and after every run is one of the most effective things a runner can do during plantar fasciitis recovery. It takes less than 10 minutes total but makes a significant difference.

Before Every Run (5 minutes)

1
Plantar fascia stretch — 3 times, 30 seconds each. Do this before your feet hit the floor if running in the morning.
2
Gastrocnemius calf stretch — both legs, 30 seconds each side. Hold against a wall.
3
Soleus calf stretch — both legs, 30 seconds each side. Same position, bent knees.
4
Gentle foot rolling — 60 seconds rolling a golf ball or firm ball under the arch to warm up the tissue.

After Every Run (5 minutes)

1
Plantar fascia stretch — 3 times, 30 seconds each. Do this immediately after stopping — not after a shower.
2
Full calf stretches — both legs, gastrocnemius and soleus, 30 seconds each.
3
Frozen bottle rolling — 5 minutes under the affected arch. This provides ice therapy and massage simultaneously.
4
Elevate the foot for 10 minutes if heel is sore after the run.

Recommendation

Good option for maintaining strength

8-Week Return to Running Plan

Use this plan when your morning pain has reduced to 2 out of 10 or below and you have been consistently doing your stretching programme for at least 4 weeks. The plan uses a walk-run progression that gradually increases running volume while keeping load manageable.

Before Starting This Plan: Morning pain should be 2 out of 10 or below. You should be able to walk briskly for 30 minutes without significant pain. You should have been doing your daily stretching programme consistently for at least 4 weeks. Do not rush the return — starting too early is the most common cause of setback.

Week	Session Content	Total Time	Notes
Week 1	Walk 5 min, run 1 min, walk 4 min. Repeat 3 times. 3 sessions this week with a rest day between each.	30 min per session	Run on grass or soft surface. Pain must stay below 3 out of 10.
Week 2	Walk 4 min, run 2 min. Repeat 4 times. 3 sessions this week.	24 min per session	If pain increases repeat week 1 before progressing.
Week 3	Walk 3 min, run 3 min. Repeat 4 times. 3 sessions this week.	24 min per session	Frozen bottle roll immediately after each session.
Week 4	Walk 2 min, run 5 min. Repeat 4 times. 3 sessions this week.	28 min per session	Check morning pain the day after each run. Must stay at 3 or below.
Week 5	Walk 2 min, run 8 min. Repeat 3 times. 3 sessions this week.	30 min per session	Begin running on road for one session if pain is well controlled.
Week 6	20 minutes continuous easy running. 3 sessions this week.	20 min per session	Easy conversational pace only. No speed work yet.
Week 7	25 to 30 minutes continuous easy running. 3 to 4 sessions this week.	25 to 30 min per session	You can begin to include gentle inclines if pain allows.
Week 8	Build to your target easy run duration. 4 sessions this week.	Your usual easy run distance	Continue daily stretching programme indefinitely. This is now part of your permanent routine.

Important: If at any point during this plan your morning pain returns to above 4 out of 10 or pain during running exceeds 5 out of 10 — go back one week in the plan and repeat it before progressing again. Setbacks are normal and do not mean you are back to square one.

Running Shoe Guidance for Plantar Fasciitis

Choosing the right running shoe during plantar fasciitis recovery is one of the most important decisions you can make. The wrong shoe can undo weeks of progress.

What to Look For:

Good heel cushioning — absorbs impact at the heel strike
Firm heel counter — prevents excessive inward rolling (pronation)
A slight heel drop of 8 to 12mm — reduces tension on the plantar fascia
Removable insole — so you can add your own orthotics
Stability features if you overpronate — ask at a specialist running shop

What to Avoid:

Zero drop or minimalist shoes — place maximum load on the plantar fascia
Worn-out shoes beyond 500 to 800km of use
Racing flats or carbon plate shoes during recovery
Shoes that are too tight across the forefoot

Get a Gait Analysis: A specialist running shop will assess your gait on a treadmill and recommend shoes suited to your foot type. This is usually free and takes around 15 minutes. It is worth doing if you are unsure which type of shoe suits your foot mechanics. Many running shoe retailers across the UK offer this service.

Frequently Asked Questions — Plantar Fasciitis and Running

How long will I be unable to run normally?

This varies considerably. With consistent treatment and sensible load management most runners return to their previous mileage within 3 to 6 months. Those who catch it early and modify training promptly often recover faster than those who push through pain. The 8-week return to run plan assumes you have already spent 4 to 6 weeks on home treatment first.

Is it bad to run a race with plantar fasciitis?

Racing significantly increases load on the plantar fascia because of the higher intensity and pace. Racing through significant plantar fasciitis pain risks turning an acute condition into a chronic one. If you have an important race coming up discuss it with a physiotherapist who can help you weigh the risks. If pain during running is above 5 out of 10 racing is not recommended.

Will I get plantar fasciitis again once it has healed?

Runners who have had plantar fasciitis are at higher risk of recurrence than those who have never had it. The best prevention is to continue your calf and plantar fascia stretching as a permanent part of your running routine, replace shoes at the right mileage, avoid sudden mileage increases and maintain calf strength through regular eccentric calf raises.

Does running barefoot or in minimalist shoes cause plantar fasciitis?

Transitioning to minimalist or zero-drop footwear too quickly is a recognised risk factor. The plantar fascia and calf muscles need months to adapt to the increased load these shoe types place on the lower leg. Transitioning gradually over several months with guided calf strengthening is possible but not during active plantar fasciitis recovery.

Should I get orthotics made for running?

Custom orthotics are not always necessary. Many runners do well with good quality off-the-shelf arch support insoles in their running shoes. If you have a significant biomechanical issue such as severe flat feet or high arches a podiatrist can assess whether custom orthotics would benefit you. The NHS recommends trying prefabricated insoles first before considering custom options.

Can I do speed work during recovery?

No. Speed work, intervals, hill repeats and tempo sessions all generate significantly higher forces through the plantar fascia than easy running. These should be avoided until you have completed the full 8-week return to run plan at easy pace with no pain. Reintroduce speed work gradually over a further 4 to 6 weeks after completing the plan.

Free Return to Running Plan — PDF

The complete 8-week return-to-running plan in a printable format with session notes and a progress tracker. No sign-up required.

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Free 12-Week Exercise Programme — PDF

The complete plantar fasciitis exercise programme to do alongside your return-to-run plan.

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• Oxford University Hospitals NHS FT
• Hull University Teaching Hospitals NHS Trust
• Royal Berkshire NHS Physiotherapy Department
• Royal Orthopaedic Hospital NHS FT
• NICE Clinical Knowledge Summary — Plantar Fasciitis (2020)
• NIHR Evidence — Best Practice Guide for Plantar Heel Pain (2021)