3 Signs of Performance Anxiety in Athletes (& What Helps)
Your athlete trains like a dream all week, then races like a shell of herself. The warmup looks fine. The splits look smart. Somewhere around the moment that matters, everything tightens. You search for the right words, she nods politely, and nothing changes.
Performance anxiety is one of the most common reasons coaches and parents reach out to us, and one of the most misunderstood. From the outside it can look like a fitness problem, a toughness problem, or a bad day. Usually it's none of those.
Sign 1: The gap between training and race day keeps growing
Every coach knows the athlete who hits workout times that never show up on race day. When someone can execute under zero stakes but falls apart when the outcome counts, you're watching anxiety take the wheel — the athlete starts monitoring and steering movements that are supposed to run on autopilot [1]. Brain-imaging research captures this directly. Under anxiety, heightened activity in a control hub of the brain (the dorsal anterior cingulate cortex) tracks with the breakdown of well-learned motor sequences, right at the seams where skills join together [2].
She starts trying to make the performance happen instead of letting it happen, and a well-rehearsed skill suddenly requires manual override. That's exhausting. It shows up in the results column as a gap between who she is on Tuesday and who she becomes on Saturday. As we cover in our post on regulating pre-race energy, the goal isn't to eliminate nerves. It's to give her a way to work with them.
Sign 2: The body sounds the alarm before the race starts
Performance anxiety isn't only racing thoughts and worst-case predictions. It has a mental side (worry, negative expectations) and a physical side, and for many athletes the physical symptoms are the loudest: the nausea on the start line, the fifth trip to the porta-potty, legs that feel heavy before the gun goes off, a heart pounding like the race already started [3]. These symptoms build in the hours before competition and peak right around the start [3].
Athletes often read these signals as evidence that something is wrong, which creates a loop: noticing the symptom creates more of the symptom. Worth remembering — the physical arousal of anxiety and the physical arousal of excitement run on the same wiring. What differs is the story attached to it. Reframing "I'm anxious" as "I'm excited" reliably shifts athletes toward an opportunity mindset and better performance, even when it doesn't erase the nerves [4]. That's why our guide to working with fear and anxiety focuses on interpretation, not suppression.
Sign 3: One mistake snowballs into the whole race
Anxious athletes rarely make just one error. They make one error and then spend the next ten minutes playing defense against their own brain. The bobbled turn, the missed exchange, the slow first mile — it becomes a verdict instead of a data point. Attention collapses inward at exactly the moment it needs to stay on the task, and performance degrades even in athletes with excellent physical preparation [1].
If this sounds familiar, our post on the science of clutch performance breaks down what separates athletes who recover mid-race from those who unravel.
What actually helps
Reassurance bounces off. You already know this if you've ever told a spiraling athlete she's going to do great.
What works is skills-based support: pre-performance routines that give attention a job, process-focused feedback that anchors confidence to controllable behaviors, and physiological tools that calm the nervous system directly [1]. One of the better-studied tools is heart rate variability (HRV) biofeedback, where athletes learn to regulate their arousal through slow, low breathing. A meta-analysis found HRV biofeedback produces some of its largest benefits for anxiety and for performance [5], and sport-specific reviews report encouraging results [6][7].
We cover the breathing mechanics in our post on why low and slow wins the race, and we're spending October inside the Skadi Community practicing HRV together as our monthly challenge. This is a trainable skill.
The deeper shift is cultural
Teams that treat mistakes as information rather than verdicts help athletes keep their attention on the task instead of on themselves — the very shift that protects performance under pressure [1]. If you want practical language for those conversations, our post on helping athletes with self-criticism has five evidence-based strategies you can use this week.
And if you're seeing these signs across your whole team and want a shared language for handling them, Skadi offers evidence-based workshops for coaches, parents, and teams built around exactly these skills.
References
Schweickle MJ, Appaneal RN, Jackman PC, et al. Performance Under Pressure in Sport: A Position Statement from Exercise and Sports Science Australia (ESSA). Sports Medicine. 2026.
Ganesh G, Minamoto T, Haruno M. Activity in the dorsal ACC causes deterioration of sequential motor performance due to anxiety. Nature Communications. 2019;10:4287. https://doi.org/10.1038/s41467-019-12205-6
Ford JL, Ildefonso K, Jones ML, Arvinen-Barrow M. Sport-related anxiety: current insights. Open Access Journal of Sports Medicine. 2017;8:205–212. https://doi.org/10.2147/OAJSM.S125845
Brooks AW. Get excited: reappraising pre-performance anxiety as excitement. Journal of Experimental Psychology: General. 2014;143(3):1144–1158. https://doi.org/10.1037/a0035325
Lehrer P, Kaur K, Sharma A, et al. Heart rate variability biofeedback improves emotional and physical health and performance: a systematic review and meta-analysis. Applied Psychophysiology and Biofeedback. 2020;45(3):109–129. https://doi.org/10.1007/s10484-020-09466-z
Jiménez Morgan S, Molina Mora JA. Effect of heart rate variability biofeedback on sport performance, a systematic review. Applied Psychophysiology and Biofeedback. 2017;42(3):235–245. https://doi.org/10.1007/s10484-017-9364-2
Pagaduan JC, Chen YS, Fell JW, Wu SSX. Can heart rate variability biofeedback improve athletic performance? A systematic review. Journal of Human Kinetics. 2020;73:119–135. https://doi.org/10.2478/hukin-2020-0012
