Runner World interpretation: Running‑related injuries are common, and many athletes wonder whether post‑run stretching can reduce this risk. A Cochrane review of 25 trials involving more than 30,000 participants found that stretching did not demonstrate a clear protective effect, and the overall evidence base for preventive interventions remains limited and often of low quality. This guide summarises the peer‑reviewed findings, interprets their implications, and offers cautious practical considerations. Evidence basis: PMID 21735382, PMID 19827859
This guide is general educational information, not a diagnosis, treatment plan or individualized exercise prescription. Recent surgery, pregnancy, chronic illness, medication concerns, significant symptoms and return from injury require advice from an appropriately qualified clinician.
Stretching and injury incidence
Peer-reviewed finding: The 2012 Cochrane review examined six trials that included stretching after running and reported a risk ratio of 0.85 with a 95 % confidence interval of 0.65 to 1.12. This indicates that the available data do not demonstrate a clear reduction in shin‑splint incidence from post‑run stretching. Evidence basis: PMID 21735382
Runner World interpretation: Because the confidence interval includes both potential benefit and harm, the finding is compatible with no effect; therefore, current evidence does not support recommending stretching specifically for injury prevention after a run. Further high‑quality trials are required to clarify any possible benefit. Evidence basis: PMID 21735382
Neuromuscular effects of stretching
Peer-reviewed finding: A narrative review reported that acute stretching does not appear to alter running economy, a key determinant of performance and potentially of injury risk, in trained runners. While stretching may produce short‑term changes in muscle‑tendon properties, these do not translate into measurable improvements in the energetic cost of running. Evidence basis: PMID 19827859
Runner World interpretation: Since running economy is linked to biomechanical efficiency, the absence of an acute effect from stretching suggests that post‑run stretching is unlikely to modify neuromuscular patterns in a way that would meaningfully affect injury risk. Nonetheless, individual responses may vary, and further research is needed to explore any indirect benefits. Evidence basis: PMID 19827859
Tendon blood‑flow response
Peer-reviewed finding: In a controlled laboratory study, dynamic activities such as running, cycling, and rope skipping produced a significant increase in Achilles tendon blood flow, whereas a session of static stretching did not elicit any measurable change in blood flow immediately after the activity. These findings were consistent across younger and older participants. Evidence basis: PMID 30067065
Runner World interpretation: Because reduced post‑activity blood flow has been identified as a risk factor for Achilles tendinopathy, the lack of a flow increase after stretching implies that this modality may not confer the vascular benefits thought to protect the tendon. Consequently, relying on stretching alone for tendinopathy prevention should be approached with caution. Evidence basis: PMID 30067065
Practical take‑aways
Practical or clinical guidance: While stretching after a run is not supported by current evidence as an injury‑preventive measure, many runners find it subjectively comfortable. If you choose to stretch, do so as part of a balanced routine and consider consulting a qualified professional to tailor the program to your needs. Evidence basis: PMID 21735382, PMID 30067065
Practical or clinical guidance: Given the limited and low‑quality evidence for stretching, prioritising other strategies—such as progressive training load, strength conditioning, appropriate footwear, and individual assessment—may offer more reliable avenues for injury mitigation. Professional guidance can help integrate these components safely and monitor your response over time. Evidence basis: PMID 21735382, PMID 19827859