RecoveryAnswer

WHAT ARE THE SIGNS OF OVERTRAINING?

By Anthony WalshRoadman CyclingUpdated 26 May 2026

ANSWER

The clearest signs of overtraining in cyclists are: power output declining despite consistent training, resting heart rate elevated by 5–8 beats per minute above your normal, sleep becoming fragmented or unrefreshing, and persistent mood changes — irritability, low motivation, or flat affect that does not lift after a rest day. A single bad week is normal fatigue. These signs appearing together over 2–3 weeks signal overtraining syndrome.

KEY TAKEAWAYS

Power declining over weeks despite consistent training is the key performance signal.
Elevated resting heart rate (5–8 bpm above baseline) is an early physiological flag.
Sleep disruption and persistent low mood are the most overlooked markers.
Overtraining syndrome takes weeks to months to fully reverse — catching it early is the priority.

WHO THIS IS FOR

IS THIS YOU?

The rider who has been training hard for months without a break

You have stacked week after week of solid training and performance has gone flat or backwards.

The athlete confusing fatigue with underperformance

You feel tired but are not sure whether to rest or push through — understanding the distinction changes everything.

THE ROADMAN VIEW

Laurens ten Dam was on the podcast and he talked about this from the other side — the pro who overtrained himself into career crisis and had to find gravel racing to rediscover his relationship with the bike. The story is extreme, but the pattern behind it is not. Overtraining syndrome is what happens when you ignore the early warning signals for months.

The problem is that the early signs feel almost identical to normal training fatigue — the same tired legs, the same flat power on a hard day. The difference is time. Normal fatigue clears after 2–3 days of easy riding. The first sign that something more serious is happening is when it does not clear, when the power on a fresh morning after decent sleep is still 10–15 watts lower than it was three weeks ago.

Anthony's position is direct: the riders who recover fastest from overtraining are the ones who catch it early and act quickly. A week off when you are overtrained is far less costly than two months off when it becomes full syndrome. Listen to the numbers, listen to your mood, and resist the voice that says you just need to push harder.

EXPERT EVIDENCE

WHAT THE EXPERTS SAY

Laurens ten Dam16-year World Tour professional, Tour de France top-10 finisher
His own experience of overtraining showed that the mental signals — lost motivation, dreading training, inability to find pleasure in riding — arrived before the physical collapse. By the time power numbers fell significantly, the hole was already deep.
Hear it: Laurens ten Dam on Overtraining & Gravel | Roadman Cycling
Dan LorangHead of Performance, Red Bull–Bora–Hansgrohe
Overtraining syndrome is a medical diagnosis, not just a bad week. The path there is almost always the same: progressive under-recovery accumulated over months, often accompanied by under-fuelling. Prevention through planned recovery weeks is far more effective than managing the syndrome once it appears.
Hear it: 13 Years Of Coaching Pros: What Amateurs Don't Know

PRACTICAL APPLICATION

DO THIS WEEK

Track resting heart rate daily for 4 weeks
Measure it each morning before getting out of bed — the same time, same position. Your personal baseline becomes clear within two weeks. Anything 5 bpm or more above that baseline for 2–3 consecutive days is a signal to reduce load immediately.
Monitor mood and motivation honestly
Rate your motivation to train out of 10 each day. A single day of 3 or 4 is normal. A week averaging under 5, combined with sleep disruption, is an early overtraining signal. Many athletes ignore this data because it feels subjective — it is not.
Take a full recovery week at the first real signal
Cut volume to 40–50%, remove all intensity, sleep 8–9 hours, eat full carbohydrates. Do not wait until the power is deep in a hole. Responding early to early signals is how you stay in the training cycle rather than dropping out of it.

COMMON MISTAKES

WHAT CYCLISTS GET WRONG

MISTAKEPushing through early warning signs because the event is close.
FIXTraining harder through overtraining signals makes them worse and pushes the recovery timeline further out. One recovery week now beats six weeks of forced rest later.
MISTAKEAssuming flat power is a training problem rather than a recovery problem.
FIXWhen power stalls or drops, check recovery first — sleep, HRV, resting heart rate, mood. Most apparent training failures are recovery failures.
MISTAKEUsing caffeine, motivation, and willpower to override the signals.
FIXThese tools mask the markers without addressing the cause. Perceived effort goes up, performance drops, and the recovery hole deepens.

FAQ

FREQUENTLY ASKED QUESTIONS

What is the difference between overreaching and overtraining?

Overreaching is a short-term state — excessive fatigue that resolves within 1–2 weeks of reduced load. Overtraining syndrome is a longer-term condition taking weeks or months to reverse. The distinction matters: functional overreaching (planned short hard blocks) is a legitimate training tool; overtraining syndrome is not.

How long does it take to recover from overtraining?

Functional overreaching resolves in 1–2 weeks. Full overtraining syndrome typically takes 4–12 weeks of significantly reduced training, sometimes longer. The more advanced the syndrome before intervention, the longer the recovery.

Can HRV detect overtraining early?

HRV is one of the most sensitive early indicators available to amateur cyclists. A downward trend in morning HRV scores over 5–7 days, particularly when combined with elevated resting heart rate, is a reliable early flag. It often appears before power or mood changes become obvious.

Does overtraining cause weight loss?

It can. Elevated cortisol from chronic under-recovery suppresses appetite and can cause unintended weight loss, which in turn often worsens under-fuelling and deepens the recovery deficit. Unexplained weight loss during a training block is worth taking seriously.

Is overtraining more common in masters cyclists?

Yes. Recovery capacity declines with age — masters cyclists tolerate high training loads less well and need longer recovery windows. A 50-year-old running the same weekly structure as a 30-year-old is carrying a proportionally higher physiological burden.

Should I see a doctor if I suspect overtraining?

Yes, if symptoms have persisted for more than three to four weeks despite rest. A blood panel can rule out underlying issues (low iron, thyroid problems, low testosterone in males) that mimic or worsen overtraining. Medical oversight is important for recovery from full overtraining syndrome.

RELATED EPISODES

HEAR THE CONVERSATIONS

Laurens ten Dam on Overtraining & Gravel | Roadman Cycling

Ride Your Bike Too Much And THIS Happens (Fred Wright) | RDMN Clips

13 Years Of Coaching Pros: What Amateurs Don't Know