Training Status Explained: What On Track, Building, and Overreaching Actually Mean for Coaching

Your swimmer's form score is -12. Is that a problem?

It depends. If she's been oscillating between -8 and -15 for the past three weeks — loading up, recovering, loading again — that's a healthy training rhythm. She's building. But if her form has dropped from +5 to -12 across four consecutive sessions with no recovery, that's a different story entirely. Same number. Very different coaching response.

This is the limitation of looking at a single form score. It tells you where an athlete is right now. It doesn't tell you how they got there, or whether you should be worried about it.

That's what training status is designed to solve. Where form scores give you a point-in-time snapshot — tired, optimal, fresh — training status reads the trajectory. It looks at the pattern across recent sessions and classifies what's actually happening: healthy stress-recovery cycles, productive building, declining form without recovery, or an athlete who's quietly drifted away from the sport.

And because endurance athletes typically train across multiple disciplines, training status is calculated per sport. A triathlete can be "Building" in cycling and "Disengaged" in swimming at the same time — and both of those are things you need to know.

The nine statuses: what each one means

Training status isn't a score. It's a classification based on the shape of recent form data — the direction, rhythm, and context of how form scores have moved across the last several sessions. Here's what each one tells you as a coach.

On Track (Green)

What it means: Healthy training rhythm with appropriate recovery. Form is oscillating in a normal range — your athlete is loading up, recovering, and loading again. This is what good training looks like in the data.

How to think about it: This is the status you want to see most often. It doesn't mean the athlete is peaking or even feeling great on any given day — it means the pattern is healthy. They might show a form label of "Tired" on a Thursday after a big midweek block, but if the trajectory shows they consistently bounce back, they're on track.

Coaching scenario: Your runner's form score dipped to -10 after a hard interval session on Tuesday. You check their training status: On Track. The last three weeks show a clean oscillating pattern — load, recover, load, recover. No intervention needed. You leave them alone and check again after the weekend.

Building (Green)

What it means: Pushing fitness upward through productive stress-recovery cycles. Form is oscillating in what coaches call the "grind zone" — working hard, but recovering between sessions. This is purposeful overreaching with a safety net.

How to think about it: Building is the status you see during a structured training block. The athlete is absorbing more load than usual, and the form swings are wider, but the crucial thing is the recovery between efforts. They're stressed, not buried.

Coaching scenario: Your cyclist is six weeks out from their A-race. Their form has been swinging between -8 and -18 over the past fortnight — deeper than usual, but bouncing back each time. Training status: Building. You're on plan. The taper starts in three weeks, and the data says they're handling the load.

Recovering (Green)

What it means: Form is trending upward after a hard block. Two or more recent sessions show improving form scores. The athlete is bouncing back.

How to think about it: This is what you want to see after a planned overreach or a tough race week. The body is absorbing the work and responding. Don't interrupt it.

Welcome Back (Blue)

What it means: The athlete has returned to this sport after 14 or more days away. They had prior history — this isn't their first session ever — but there was a meaningful gap before these recent sessions.

How to think about it: The first session back always hits hard in the data. Form will drop, load metrics will spike relative to recent (nonexistent) activity, and the numbers can look alarming if you take them at face value. Welcome Back is the system saying "don't panic — this is expected."

Coaching scenario: Your triathlete took three weeks off swimming after a shoulder niggle. They've done two pool sessions this week. Their swim form score is -22 and their form label says "Tired." Without context, that looks like a red flag. Training status: Welcome Back. You know to expect a rough re-entry and you're watching for the form to start climbing over the next week or two.

New (Blue)

What it means: Only one or two sessions recorded in this sport. There isn't enough data to classify a pattern yet.

How to think about it: Reserve judgment. You can't read a trajectory from a single data point. Check back after four or five sessions.

Monitor (Amber)

What it means: Something worth keeping an eye on. This is a broad status that captures several patterns that aren't alarming on their own but deserve attention: form declining without being in a danger zone, unusually volatile swings between sessions, an athlete who came back hard after a break (three or more sessions immediately rather than easing in), or someone in a healthy rhythm but sitting deep in the strain zone.

How to think about it: Monitor is the status that saves you from both over-reacting and under-reacting. It's not "do something now" — it's "keep this athlete on your radar this week." The reason behind the flag matters more than the flag itself.

Coaching scenario: Your swimmer's form has been slowly declining over the past two weeks — not crashing, just drifting downward. Training status: Monitor. You check the sessions: volume is the same, but intensity has crept up. They've been swimming their easy sessions a bit too fast. A quick message — "ease back on the Tuesday set this week" — might be all it takes to turn the trend around before it becomes a real problem.

Undertrained (Amber)

What it means: Training consistently but the load is too light. Form scores are sitting in the deconditioned zone with a steady pattern — they're showing up, but they're not being challenged enough to improve.

How to think about it: This isn't an athlete who's slacking off. They're doing the sessions. But the stimulus isn't enough. For self-coached athletes, this is common — they default to comfortable efforts. For coached athletes, it might mean the program needs adjusting upward, or the athlete is sandbagging their intervals.

Disengaged (Amber)

What it means: The athlete hasn't trained this sport in longer than is normal for them. The gap between their last session and today exceeds 2.5 times their usual training cadence (with a minimum threshold of 7 days).

How to think about it: This is where personalised cadence detection matters. A swimmer who normally trains twice a week gets flagged after about 9 days of silence. A daily runner gets flagged after 3 days. The system adapts to each athlete's rhythm rather than applying a blanket threshold.

Critically, Disengaged doesn't mean the athlete has disappeared. They might be training hard in other sports. A triathlete who's in peak cycling block might go quiet in the pool for two weeks. Disengaged in swimming, On Track in cycling and running. That's useful context — it tells you whether the gap is a concern or a deliberate choice.

Coaching scenario: You notice one of your triathletes is flagged as Disengaged in running. You check: they're still active in swimming and cycling, but haven't logged a run in 11 days. Their normal running cadence is every 3 days. A quick check-in reveals a calf niggle they hadn't mentioned. Without the Disengaged flag, you might not have noticed for another week.

Overreaching (Red)

What it means: Form is dropping without recovery. Three or more consecutive sessions with declining form scores in the strain or grind zone, with no bounce-back between them. This is the pattern that precedes injury, illness, or burnout if left unchecked.

How to think about it: This is the status that should prompt a coaching conversation. Not a panic — but a deliberate check-in. The distinction between productive overreaching (Building) and unproductive overreaching (Overreaching) is whether recovery is happening between sessions. Building shows the oscillation. Overreaching shows the monotonic decline.

Coaching scenario: Your cyclist has had four consecutive sessions where form has dropped: -5, -11, -16, -22. No recovery between them. Training status: Overreaching. You look at the recent sessions and see they did a race on Saturday, a long ride Sunday, intervals Tuesday, and a group ride Thursday. No easy days. The athlete "felt fine" — they always do, until they don't. You prescribe two full rest days and a recovery spin before the next hard session.

Inactive (Grey)

What it means: No meaningful activity in this sport. Either no sessions have ever been recorded, or the gap since the last session exceeds five times their normal cadence (minimum 21 days).

How to think about it: For multi-sport athletes, an Inactive status in one discipline isn't necessarily a concern — some athletes phase their training seasonally. For single-sport athletes, Inactive is a stronger signal that something has changed.

How form labels and training status work together

If you've read the training load explainer, you'll know that form (TSB) tells you the balance between fitness and fatigue at a point in time. The form label — Tired, Optimal, Fresh — is the snapshot. Training status is the story.

The same form label means very different things depending on the training status behind it.

An athlete labelled "Tired" with a training status of On Track? Healthy training dip. They'll recover. An athlete labelled "Tired" with a training status of Overreaching? Real problem. Form is dropping without recovery and you need to intervene.

An athlete labelled "Optimal" with a training status of Building? Sweet spot. They're working hard and recovering well. An athlete labelled "Optimal" with a training status of Undertrained? Comfortable but not progressing. They could push harder.

An athlete labelled "Fresh" with a training status of Disengaged? Fresh because they haven't trained, not because they recovered well. Very different situation.

The form label answers "how does this athlete look right now?" Training status answers "should I be worried about it?"

Why this matters across a squad

Understanding one athlete's training status is useful. Understanding it across 30 athletes — each training across two or three sports — is where it changes your coaching workflow.

Without a system for classifying these patterns, you're doing this work manually. You're opening individual athlete profiles, eyeballing their form charts, mentally tracking who's been loading hard, who's been quiet, who came back from a break last week. You're holding dozens of trajectories in your head simultaneously and hoping you don't miss the one who's been declining for ten days.

Training status turns that cognitive load into a glance. Coloured badges across your squad: mostly green, a few amber, the occasional red. You know immediately where your attention is needed — and just as importantly, where it isn't. The 22 athletes showing green don't need you to open their profiles this morning. The three showing amber do. The one showing red needs a conversation today.

That's the difference between screening and staring at charts. Screening is structured, fast, and consistent. It works on Monday morning when you're fresh, and it works on Thursday afternoon when you're tired and your own form score is deep in the strain zone.

Simma calculates training status automatically across every sport for every athlete in your squad — so you can see who needs attention before you open a single chart. Join the early access waitlist.