RecoveryAnswer

DOES CYCLING AFFECT PROSTATE HEALTH?

By Anthony WalshRoadman CyclingUpdated 10 July 2026

ANSWER

No, cycling does not cause prostate cancer or prostate disease. A 2014 UCL study of over 5,000 male cyclists found no link between cycling volume and prostate cancer incidence. However, cycling can temporarily elevate PSA (prostate-specific antigen) levels by 0.5-2.0 ng/mL due to mechanical pressure on the perineum, which can cause false-positive screening results. Men over 50 should avoid cycling for 48 hours before a PSA blood test. Saddle choice and bike fit are the practical tools for minimising perineal pressure and urinary symptoms.

KEY TAKEAWAYS

No credible evidence links cycling to prostate cancer — the largest study (5,282 cyclists, UCL 2014) found no association between cycling volume and prostate cancer risk.
Cycling can temporarily elevate PSA levels by 0.5-2.0 ng/mL due to perineal pressure — avoid riding 48 hours before PSA screening to prevent false positives.
Saddle pressure on the perineum can aggravate existing benign prostatic hyperplasia (BPH) symptoms, but does not cause BPH.
A properly fitted saddle with a perineal cutout and correct saddle height reduces pressure on the prostate area by up to 60%.

WHO THIS IS FOR

IS THIS YOU?

Male cyclists over 40 concerned about prostate health

You have heard warnings about cycling and prostate problems and want to know what the evidence actually supports versus what is myth.

Riders experiencing urinary symptoms or discomfort in the saddle

You have noticed increased urinary frequency, numbness, or perineal discomfort during or after rides and want practical advice on addressing it.

THE ROADMAN VIEW

This is a topic that comes up repeatedly in the Roadman community, and there is a lot of anxiety out there that is not supported by the evidence. The short version: cycling does not cause prostate cancer. Full stop. The largest study on this — over 5,000 male cyclists tracked by UCL — found no association. What cycling can do is temporarily raise your PSA number, which can trigger an unnecessary biopsy if your GP does not know you ride. The advice is simple: stop riding for 48 hours before a PSA test. Tell your GP you cycle. That prevents the false alarm.

Where cycling does have a real impact is saddle comfort for men with existing benign prostate enlargement, which affects most men over 50 to some degree. If you are getting up twice a night to urinate and also spending hours on a saddle that presses on your perineum, the saddle pressure can make those symptoms worse. The fix is a saddle with a proper cutout or channel, correct saddle height (too high forces the perineum onto the nose), and possibly a professional bike fit. These are mechanical problems with mechanical solutions — not reasons to stop cycling.

EXPERT EVIDENCE

WHAT THE EXPERTS SAY

Dr Mark HamerProfessor of sport and exercise medicine, UCL, lead author of the cycling and prostate study
Our study of 5,282 male cyclists found no association between cycling volume and prostate cancer, even among men cycling more than 8.5 hours per week. We did observe that high-volume cyclists were more likely to be diagnosed with prostate cancer, but this was attributable to greater health awareness and screening uptake rather than increased disease incidence. The mechanical PSA elevation from saddle pressure is well documented and should be communicated to GPs ordering PSA tests.

PRACTICAL APPLICATION

DO THIS WEEK

Avoid cycling for 48 hours before any PSA blood test
Perineal pressure from the saddle can elevate PSA by 0.5-2.0 ng/mL, which may push a borderline result over the threshold and trigger unnecessary further investigation. Tell your GP that you cycle and request scheduling the blood draw after 48 hours off the bike.
Choose a saddle with a perineal cutout or relief channel
Saddles with a central cutout (Specialized Power, Fizik Argo, Selle Italia SLR Boost) reduce perineal pressure by up to 60% compared to flat-top saddles. If you experience numbness, urinary symptoms, or perineal discomfort, a cutout saddle is the first and most effective intervention.
Get a bike fit to optimise saddle height and tilt
A saddle that is too high causes the pelvis to rock and increases perineal loading. A saddle tilted nose-up concentrates pressure on the perineum. A professional bike fit ensures the saddle is at the correct height and level (or very slightly nose-down), distributing weight to the sit bones rather than the perineum.

COMMON MISTAKES

WHAT CYCLISTS GET WRONG

MISTAKEBelieving that cycling causes prostate cancer based on media headlines.
FIXNo credible research supports a causal link between cycling and prostate cancer. The UCL study — the largest on this topic — found no association. Higher diagnosis rates among cyclists are explained by greater health screening uptake, not higher disease incidence.
MISTAKEHaving a PSA test within 48 hours of cycling and panicking about an elevated result.
FIXSaddle pressure mechanically elevates PSA levels, producing a false-positive result. Always schedule PSA tests after 48 hours without cycling, and inform your GP that you are a cyclist so the result can be interpreted in context.
MISTAKETolerating perineal numbness or pain and assuming it is a normal part of cycling.
FIXNumbness and perineal pain indicate excessive pressure on the pudendal nerve and perineal blood vessels. This is a bike fit and saddle issue, not an inevitable consequence of riding. A cutout saddle, correct saddle height, and proper tilt resolve the problem in most cases.

FAQ

FREQUENTLY ASKED QUESTIONS

Should I stop cycling if I have been diagnosed with BPH?

No. Cycling does not cause or worsen BPH, though saddle pressure can aggravate urinary symptoms temporarily. Use a saddle with a perineal cutout, ensure correct saddle height and tilt, and take brief standing breaks every 20-30 minutes on longer rides. These adjustments allow comfortable riding with BPH. Consult your urologist if symptoms persist.

Does cycling cause erectile dysfunction?

Prolonged perineal pressure can temporarily reduce blood flow and nerve function, which may affect erectile function. However, this is related to saddle fit, not cycling itself. A cutout saddle and correct bike fit eliminate the perineal compression that causes the problem. Regular cyclists who use appropriate saddles do not have higher rates of ED than the general population.

How often should male cyclists over 50 get a prostate check?

Follow your GP's guidance, which typically means annual PSA screening from age 50 (or 45 if you have a family history). The important cycling-specific advice is to avoid riding for 48 hours before the blood draw and to inform your GP that you cycle. This prevents false-positive PSA elevations from saddle pressure.