SPORTS PERFORMANCE

Train smarter, Race Faster & Unlock Peak Performance with Gold-Standard Sports Performance Testing

EXPLORE OUR TESTING CATEGORIES

We offer evidence-based Sports Performance Testing to help you train smarter, race faster and unloack peak performance. Whether you're a competitive individual or managing a full squad, our tests are designed to optimise training, track readiness, manage injury risk, and personalise fuelling.

Hydration for Marathon des Sables with Prescision Hydration Sweat Composition Test

Fuelling & Hydration

A circular chart showing three paths: Weight loss, Menopause, Longevity.

Cardio Capacity & Efficiency

DEXA Scanner

Body Composition

WHO WE WORK WITH

Teams & Clubs

We collaborate closely with coaches & support staff to integrate performance diagnostics into your wider strategy — from pre-season baselines to in-season monitoring and return-to-play protocols.

For formally structured teams, we ensure your staff fully understand our reporting, with clear guidance on how to interpret athlete progress and adapt programming accordingly.

For smaller clubs or teams without a dedicated support staff, we work directly with your coaches and athletes in a collaborative way — providing education, context, and ongoing support so everyone gets the most from the data.

What Your Squad Can Assess:

Individuals

We work with athletes across all levels — from first-time endurance racers to national qualifiers and weekend warriors. Whether you’re supported by a coach or managing your own training, our testing provides objective insight you can trust.

You will receive more than just a test result.  Our experienced team will:

WHY US

At i-Thrive, we bring together the best of clinical governance, sports science, and real-world coaching experience — all under one roof. We’re a CQC-registered and regulated facility, ensuring the highest standards of safety and clinical oversight.

Our team has a background in sports science, chiropractic, and multi-sport coaching.  We’re not just test administrators — we’re endurance athletes ourselves, with firsthand experience in triathlon, ultra-endurance events, and performance-focused living. This unique blend allows us to interpret your results with both scientific accuracy and practical insight — helping you apply what we find in a way that’s relevant, achievable, and focused on sustainable performance.

BOOK AN INDIVIDUAL SPORTS PERFORMANCE TEST

Dexa Body Composition Scan

The DEXA body composition scan is the gold standard for accurately measuring the amount and location of visceral fat, body fat, lean muscle mass, and whole body bone mineral content.

Duration:

1 hr.

Regular Price:

£179

Promotion Price:

£134.25
.

Max VO2 Test

Max VO₂ measures your body’s peak oxygen uptake — a vital marker of cardiovascular fitness, endurance, performance, and longevity. The test also identifies your heart rate training zones and the point at which your body shifts from burning fat to external carbohydrates.

Duration:

1 hr.

Regular Price:

£149

Promotion Price:

n/a
.

Precision Fuel & Hydration – Sweat Composition Test

Analyses sweat composition to assess electrolyte balance and hydration needs — without requiring exercise. Ideal for optimising your hydration strategy.

Duration:

40 min.

Regular Price:

£120

Promotion Price:

n/a
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Lactate Threshold Test

The Lactate Threshold Test measures the point at which lactate accumulates in the blood faster than the body can clear it, identifying your optimal endurance and performance zones. This test helps determine training intensity, pacing strategies, and fatigue resistance for improved athletic and metabolic efficiency.

Duration:

1 hr.

Regular Price:

£149

Promotion Price:

n/a
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Fuelling & Hydration Package

Unlock peak performance with personalised insights into your body’s fuel use and hydration needs. Discover the precise intensity where your body shifts from burning fat to carbohydrates, tailor your electrolyte intake based on sweat sodium loss, and align your training, fuelling, and recovery strategies for smarter pacing and sustained energy. Tests included:
FatMax – Sweat Composition

Duration:

1.75 hrs.

Regular Price:

£199

Promotion Price:

n/a
Save £75 compared to booking tests individually

Sports Performance Package

Deep insights into body composition, muscle balance, symmetry, metabolic rate, and cardiovascular capacity. You’ll uncover your ideal training zones, fuel utilisation patterns, and recovery needs — empowering you to train smarter, perform stronger, and track measurable progress over time. Tests included:
Max VO2 or Lactate Threshold
3D Infrared Body Scan – Resting Metabolic Rate

Duration:

2 hrs

Regular Price:

£255

Promotion Price:

n/a
Save £118 compared to booking tests individually

Optimal Fuelling & Hydration Package

Precise insights into your daily nutrition needs, race-day fuelling strategy, and hydration plan. By combining resting metabolic rate with fat-to-carb crossover testing, sweat rate, and sweat composition analysis, it enables you to tailor calorie intake, optimise endurance, and personalise electrolyte and fluid replacement to sustain peak performance.   Tests Included:
FatMax – Resting Metabolic Rate
Sweat Composition – Sweat Loss Rate

Duration:

2.5 hrs.

Regular Price:

£289

Promotion Price:

n/a
Save £134 comared to booking tests individually.

Premium Sports Performance Package

Deep insights into body composition, muscle balance, metabolic rate, and cardiovascular capacity. Gold-standard DEXA scans assess lean mass and screen for RED-S, while metabolic and fitness testing reveals your ideal training zones, fuel use, and recovery needs. Tests included:
Max VO2 or Lactate Threshold – Resting Metabolic Rate
3D Infrared Body Scan – DEXA Body Composition

Duration:

2.5 hrs

Regular Price:

£349

Promotion Price:

n/a
Save £203 compared to booking tests individually

OUR SPORTS PERFORMANCE BUNDLES

This category of sports and fitness tests is designed for athletes looking to optimize endurance, performance, and recovery. Whether you’re an endurance athlete (Hyrox, triathletes, runners, cyclists, rowers), a high-intensity or team sport athlete, or part of a demanding profession like the military, firefighting, or adventure racing, these assessments provide key insights into aerobic capacity, metabolic efficiency, energy expenditure, and body composition. By understanding oxygen utilization, fatigue thresholds, and structural balance, athletes can fine-tune training and nutrition for sustained strength, endurance, and resilience.

SPORTS PERFORMANCE PACKAGE PREMIUM SPORTS PERFORMANCE BUNDLE
Tests Included
DEXA Body Composition Scan icon
3D Infrared Body Scan icon icon
Resting Metabolic Rate (RMR) icon icon
Max VO2 or Lactate Threshold Test icon icon
Benefits
    Precision in Training Zones – Identifies accurate heart rate and power zones for endurance athletes

    Enhanced Fatigue & Performance Insights – Measures lactate thresholds and oxygen efficiency, helping to avoid early fatigue and improving overall endurance.

    Optimised Fuel Utilization – Provides data on carbohydrate vs. fat metabolism, allowing for better nutrition and pacing.
    Dexa scan focuses on lean muscle index and balance

    HRV introduces additional insight into recovery restoration

    RMR provides additional insight to align metabolic demands for recovery, training, and racing

    Integrating HRV, RMR, and performance testing helpsfine-tune training loads, recovery protocols, and fuel utilization to sustain peak endurance and resilience.
Duration 1.75 hours 2.5 hours
Price £255 £349
Savings £118 £203
Book Now More details on each test Book Now More details on each test

Fuelling & Hydration Packages

Unlock personalised insights into your body’s nutrition and hydration needs. Our assessments reveal your resting calorie requirements, fat vs. carbohydrate burning patterns, and the point where your body shifts to relying on external carbs — critical for endurance and weight management. We also analyse your sweat composition and sweat rate to tailor your electrolyte and fluid strategy, helping you fuel smarter, stay hydrated, and perform at your best.

FUELLING & HYDRATION PACKAGE OPTIMAL FUELLING & HYDRATION PACKAGE
Tests Included
FatMax Test icon icon
Resting Metabolic Rate (RMR) icon
Sweat Composition Test icon icon
Sweat Rate Loss Test icon
Benefits
    Pinpoint when your body shifts from fat to carbs for smarter pacing and fuelling.

    Customise Hydration – Identify your sweat sodium loss to personalise electrolyte intake.

    Optimise Training & Fuel – Align intensity, fuelling, and recovery for peak performance.
    Discover your daily calorie needs at rest to personalise fuelling for recovery, training, weight management.

    Pinpoint the intensity where you shift from fat to carbohydrate fuel, crucial for optimising endurance performance and race-day fuelling.

    Analyse sweat rate and composition to personalise both hydration volume and electrolyte balance, preventing cramps and maintaining performance.
Duration 1.75 hours 2.5 hours
Price £199 £289
Savings £75 £134
Book Now More details on each test Book Now More details on each test

If none of these bundles have the right combination of tests to meet your needs, please contact us and we can put together a custom bundle just for you

Contact Us

Please don’t hesitate to Contact us.

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A SEASON FOR THRIVING

Marking International Longevity Day (Oct. 1) & World Menopause Day (Oct. 18)

25% Off Selected Tests

Must book by Oct. 31, 2025.

Can not be combined with any other offers.

Special Event: Thriving As You Age

Join i-Thrive’s multi-disciplinary team for an evidence-based talk exploring how exercise & movement, healthful nutrition, sleep & restoration, resilience & psychological well-being, and purpose & lifestyle can help you thrive through every stage of life.

Hosted at i-Thrive on Oct. 15 from 19:00 – 20:30