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Owned by Nick

Stealth Endurance Coaching

18 members • $80/month

Endurance coaching for athletes who race on road, trail and open water. Train smarter. Race anywhere.

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29 contributions to Stealth Endurance Coaching
Something big is happening with Stealth this Month : The "Evidence Engine" is coming. 🚀
Team, I’ve been quiet on the "back-end" of things lately because I’ve been busy building something designed to make your training clearer, faster, and more integrated. Something big is happening with Stealth Endurance Coaching this month. For the last 20 years, I’ve been coaching across different platforms. But we’ve all faced the same problem: We have endless data, but we’re still guessing if we’re actually getting faster. Most platforms tell you what you did; they rarely tell you if it actually worked. I’m changing that. We are officially launching the new Stealth Endurance Coaching hub—and it’s more than just a website. I’m building a Performance Evidence Engine that sits on top of your current data. Why does this matter for you? - The "Did It Work?" Metric: Instead of generic "Fitness" scores, Stealth will show you your Performance Capacity Change. We’re tracking your power- and pace-duration curves to answer the only question that matters: Has my physiology actually improved over this training block? - Actionable Intelligence: You’ll stop seeing "Fitness +8" and start seeing: "✅ Threshold power +6%, ➖ Sprint unchanged. This block successfully targeted your aerobic engine." - Unified Stealth System: Everything is being optimised to integrate your swim mechanics, bike power, and run durability into one clear dashboard that validates your training stress against real performance gains. What you’ll see rolling out: 1. The New Stealth Hub: A streamlined home for all Level 1, 2, and 3 build blocks. 2. Performance Intelligence: A new way to track your "Capacity Change" (Last 42 days vs. previous 42 days). 3. Refined Coaching Tiers: For those who want me to personally review their data and tell them why their capacity is (or isn’t) moving. I’m tired of athletes grinding through plans without knowing if they’re hitting a wall or a breakthrough. We’re moving to a system that proves your progress. Stay tuned for the official link drop later this week. Let’s get to work!
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Something big is happening with Stealth this Month : The "Evidence Engine" is coming. 🚀
Are you losing 30 seconds (and your breath) in the first 50m of an open-water beach start? 🛑 🏊‍♂️
🏊‍♂️🛑 🏊‍♂️ Looking at this footage, it’s easy to feel the adrenaline. But a high-intensity beach entry is where a lot of triathletes redline before their arms even hit the water. Every summer, athletes lose valuable time and energy—not because of fitness, but because they are trying to use an indoor pool stroke in real sea conditions. To manage coastal entries and save energy for the bike and run, your mechanics have to change the second you hit the surf. A High-Clearance Recovery keeps your recovery high and punchy to slice over incoming chop rather than swinging your arms flat and catching the swell. 🚨 NEXT SATURDAY, JULY 4th: THE SEASON OPENER 🚨 Our first 2-hour Coastal Mastery Clinic kicks off near Boscombe Pier next Saturday morning. This is where we build your open-water confidence and technical pacing. 🛑 Prerequisite: This is an intensive technical masterclass. You must be able to swim at least 1,000m continuously in a pool in under 24 minutes. We pack a full sea-swimming progression into 4 high-focus, 30-minute blocks combining sand briefings with immediate in-water application: 🌊 Phase 1: Entering the Water & Beach Starts 🧭 Phase 2: Navigation, Control & Low-Sun Sighting 🏊‍♂️ Phase 3: Race-Day Pack Positioning & Buoy Turns ⏱️ Phase 4: Sea Swim Full Execution & Individual Coaching 📅 Summer Clinic Dates (08:00–10:00 AM | Near Boscombe Pier): - 👉 Saturday, July 4th: Season Opener & Confidence Mastery (Next Saturday!) - Saturday, August 1st: Peak Performance & Advanced Pack Tactics - Saturday, September 5th: Weymouth 70.3 Course Simulation Group Size: Strictly limited to 12 athletes per clinic for focused feedback. Fully insured with professional watercraft safety cover. 🎟️ Investment: £75. Includes a post-clinic Digital Sea Swim Blueprint PDF checklist, plus an optional underwater Video Analysis add-on (£20). Ready to stop fighting the elements and start navigating them next Saturday? 👇 Drop the word 'BOSCOMBE' in the comments, and I'll DM you the direct Stripe booking link instantly!
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Are you losing 30 seconds (and your breath) in the first 50m of an open-water beach start? 🛑 🏊‍♂️
Here is the Swim Metrics Matrix pdf briefing on pace from the Poll 2 weeks ago.
Stop Training Your "Vanity" Pace. Start Training "Under Fire." Most triathletes are "Pool Fast." They can hold a great pace in a calm, 25m lane with a wall push every 15 seconds. But put them in a 70.3 washing machine—with heavy chop, spiked heart rates, and no walls—and that pace evaporates. 📉 Here is the Swim Metrics Matrix PDF Briefing from our poll 2 weeks ago. This is how we bridge the gap between being a "lane swimmer" and an "open water hunter." 🧠 The Shift: Vanity vs. Stealth We’re deleting the metrics that lie to you and focusing on the ones that matter when the "fire" is on: - ❌ DELETE: SWOLF. In open water, a low SWOLF often means you are "stalling" and over-gliding. If you glide in the chop, the water wins. - ❌ DELETE: Wrist HR. It’s too laggy. By the time your watch says you're redlining, you’ve already blown up. Use RPE (1-10) instead ⚡ The "Stealth" Metrics to Track: 1. The "Under Fire" Pace (CSS + 2): This is your pace when you’re fatigued or in heavy chop. We look for a variance of less than 2 seconds between your first and last rep. 2. The Stroke Rate "Floor": When you get tired, your stroke rate drops. If your pace slips, you need to find your "floor" and kick that rate up by 3-5 SPM to maintain momentum 3. Recovery Density: If you can hold pace on 20s rest, but it breaks at 10s, you’ve found your "Technical Ceiling" 🔥 YOUR CHALLENGE THIS WEEK: Check out the "Holding Pace Under Fire" Session on page 3 of the PDF. - Start with a 50m Sprint (110% effort) to simulate the beach start. - Immediately settle into a 400m at Goal Race Pace. - The Metric: If your pace drops more than 5 seconds, your Stroke Rhythm is the weakness, not your fitness. Download the PDF below, take it to the pool, and let's see those numbers. Post your swim set results from this specific set included in your briefing: 5 x 300m (Broken into 100s) 1. 100m: Paddles & Pull (Your benchmark). 2. 100m: FC @ 85% Pace Control (Stay within 3-5s of benchmark). 3. 100m: 2 x 50m (25m Fly / 25m FC Sprint)
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Here is the Swim Metrics Matrix pdf briefing on pace from the Poll 2 weeks ago.
Welcome to Stealth Endurance Coaching
Welcome to the Stealth group — great to have you in Take a moment to introduce yourself in the community: - Your background - What you’re training for - Any races you’ve got coming up This is a free online coaching space, but if you want to go deeper, you can step into our Stealth-coded training plans or 1:1 coaching — just like a number of athletes already in here. Jump in, get involved, and let’s build some momentum. Nick
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Welcome to Stealth Endurance Coaching
The "Over-Glide" Trap: Why "Pretty" is slowing you down.
Most of us were taught that a long, graceful stroke is the "gold standard" of swimming. We've spent years obsessing over lowering our stroke count and chasing that perfect SWOLF score. Here’s the truth: In a 70.3 open-water swim, "pretty" often equals "slow." When you focus on a long glide in a pool, you have a wall to push off and no waves to stop you. But the moment you hit open water with chop, current, and 500 other athletes: 1. The Stall: Every time you "pause" to glide, the water resistance hits you like a brick wall. You lose all your momentum. 2. The Restart: You then have to use massive amounts of energy just to get moving again. 3. The Sink: Long glides often lead to "dead spots" in your stroke where your hips and legs start to drop. The Stealth Fix: Stop trying to swim like an Olympic pool specialist. We want a resilient, punchy rhythm. A slightly higher stroke rate that acts like a 4x4 engine—cutting through the chop rather than being stopped by it. You want to have a robotic stroke that utilises front quadrant swimming and 3/4 catch up as the basis 3/4 Catch-Up – Rhythm Without Stalling Full catch-up can create dead spots. No timing & creates chaos. 3/4 catch-up builds smooth overlap without pausing. ✔ Better rhythm ✔ Cleaner timing ✔ Fewer rushed strokes Next Thursday (March 12th), I’m showing you the exact Stroke Rate targets you should be hitting to avoid the "Over-Glide" trap. 👇 Comment below: What’s your current "Strokes Per Length" in a 25m pool? (Be honest!)
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Nick Harris
2
13 points to level up
@nick-de-meyer-2880
Triathlon swim coach, head coach of Speedy Swimming. STA Open water swim coach, British Triathlon level 3 coach, Brownlee Fitness swim coach

Active 13h ago
Joined Oct 14, 2025
ENTP
alton hampshire