Return to Running After an Injury

Return to Running After an Injury

Shin splints, tendinitis, stress fracture... getting cleared by your doctor is only step one. Here's how to come back without relapsing.

Create my free comeback plan

Getting cleared by your doctor marks the end of rest, not a return to your old training. The first weeks back are exactly when re-injury risk peaks: runners try to make up for lost time, jump back to their old mileage, and the injury comes right back. RunRun builds a comeback plan that starts from your real current load, tracks every increase through the ACWR indicator (acute:chronic workload ratio) computed from your logged sessions, and recalibrates your paces to your current fitness rather than your pre-injury personal best. This is not medical advice: your return to running should be cleared by a doctor or physical therapist.

Why choose RunRun?

Monitored progressive load (ACWR)

RunRun computes your acute:chronic workload ratio from logged sessions and flags any volume increase past the safe threshold — the leading cause of re-injury after a comeback.

A plan that adapts to your real history

Your weekly plan recalculates based on sessions you actually completed, not a fixed calendar. Miss a session or flag pain, and the rest of the plan adjusts automatically.

Paces recalibrated to where you are now

The VDOT calculator (Jack Daniels method) sets your training paces from your current fitness after the layoff, so you don't restart on outdated performances.

8-week comeback protocol example

W1

Week 1 — Walk-run, minimal volume

The plan starts with walk-run intervals over very short durations, easy pace only. RunRun establishes a near-zero baseline load before any progression.

  • •3x (5' walk + 3' very easy jog)
  • •Rest or active walk
  • •3x (4' walk + 4' very easy jog)
W3

Week 3 — Reducing walk segments

Walk segments shrink progressively as long as no pain is reported. The ACWR stays the ceiling: no increase until the ratio sits back in the green zone.

  • •2x (3' walk + 7' easy run)
  • •20' continuous easy run
  • •2x (2' walk + 8' easy run)
W5

Week 5 — First continuous runs

Runs become continuous, still strict easy pace. This is when RunRun recalculates your VDOT paces from your recent sessions, not your pre-injury bests.

  • •25' continuous easy run
  • •20' easy run + core work
  • •30' easy run
W8

Week 8 — Back to your normal training plan

If ACWR stayed within the recommended zone over the last 3 weeks with no pain reported, the plan reintroduces one very mild interval session.

  • •35' easy run
  • •10' warm-up + 4x2' moderate pace + 10' cool-down
  • •40' long run at easy pace

Tips for a relapse-free comeback

1

Medical clearance is mandatory

Never restart running based on how you feel alone — a doctor or physical therapist confirms your tissues can handle load again.

2

Log every session from day one

ACWR is only reliable with a real history — log even the smallest comeback sessions.

3

Pain lasting 48h means step back

Some discomfort during effort that fades quickly is normal. Pain lasting past 48 hours means going back to the previous week.

4

Frequency before duration

Early on, running more often for shorter durations spreads load more evenly than fewer, longer runs.

5

Forget your pre-injury paces

Comparing yourself to old bests pushes you to push too soon. The plan recalibrates paces to your current fitness.

landing.faq

How long does it take to return to running after an injury?
It depends on the injury type and severity — from 2-3 weeks for minor discomfort up to several months for a stress fracture. RunRun doesn't set a universal timeline: the plan starts at the volume cleared by your healthcare provider and progresses based on your real load, tracked through ACWR.
What is ACWR and why does it matter after an injury?
ACWR (Acute:Chronic Workload Ratio) compares your last 7 days of load to your average load over the last 4 weeks. A too-rapid rise in this ratio is one of the best-documented injury risk factors — RunRun computes it automatically from your logged sessions and warns you before the increase becomes risky.
Should I retest my VDOT after a training break?
In most cases, yes. After several weeks off, your VDOT has usually dropped. RunRun recalculates your training paces from your recent sessions rather than your old test, so you don't restart at paces too fast for your current fitness.
What should I do if pain comes back during the comeback?
Stop the current session and don't increase volume until the pain has been gone for at least 48 hours. If it keeps recurring, see your doctor or physical therapist again before continuing the plan.
Can I use RunRun without a precise medical protocol to follow?
Yes. Enter your real starting level (even a very low one) when you create your plan, and RunRun builds a cautious progression from that baseline, with ACWR monitoring on every logged session.

Get back to running with confidence

Build your personalized comeback plan, with ACWR load monitoring and paces recalibrated to your current fitness.

Create my free comeback plan