Half/Marathon
$150 / month
01 · About
Train Smarter, Race Stronger.
Mission
At Tidal Endurance, our mission is to empower athletes to reach their full potential through purposeful, evidence-based, endurance training. We combine theory and the most recent training science, with real-world racing experience, to help athletes train smarter, race stronger, and thrive in their pursuit of balance in health and performance.
Introduction
Dave Desnoyers is a dedicated endurance coach specializing in running and triathlon performance. With a comprehensive understanding of theory, performance optimization, and injury prevention, he helps athletes reach their full potential. With a diverse racing background, from 5kms on road to 100km on trail, and AG finishes at short and long course triathlon, Dave brings firsthand experience to his coaching.
Dave's evidence-based approach and commitment to athlete development ensures that every plan is purposeful, sustainable, and aligned with success. He has coached athletes in their 20's through 70's to debut marathons and many PRs.
Credentials
- RRCA Certified Coach, 2024
- CPR, AED, First Aid Certified, 2024
- USAT Certified Coach, 2025
Experience
Triathlon
- 2025 Ironman Maryland 140.6 9:46:28
- 2024 Patriot Half Ironman 70.3 4:45:00
- 2023 Nantucket Sprint Tri (Debut) 1:17:00
Marathon
- 2024 Chicago Marathon 26.2 2:52:01
- 2023 New York Marathon 26.2 3:12:15
- 2017 New Hampshire Marathon 26.2 (Debut) 4:01:51
UltraMarathon
- 2025 Hamsterwheel 12hr - 100k 1st Pl
- 2024 Anchor Down 6hr - 37mi 1st Pl
- 2018 Badwater Cape Fear - 50k 5:13:00
FKTs
View Profile →- 2026 St Kitts Circumnavigation 5:10:15
- 2023 Bermuda Rail Trail 2:55:51
- 2018 Trans Nantucket 3 Lighthouse Run 4:19:53
02 · Pricing
Coaching Plans
One-on-one programming built around you — your lifestyle, your goals, your season.
UltraMarathon/Short Distance Tri
$200 / month
70.3 Triathlon
$250 / month
140.6 Triathlon
$300 / month
All clients billed monthly, on the 1st.
What's Included
All Clients will receive:
- 01 Custom Workouts - 3-8 sessions a week, including strength and cross training sessions. Built to fit your lifestyle and to pursue your goals.
- 02 Seamless Programming - workouts synced from Final Surge to your watch, tablet or trainer
- 03 Clear and Frequent Communication - (Bi)Weekly check-ins, feedback, and adjustments
- 04 Training, Race Prep, Pre/Mid/Post training and race nutrition strategies
- 05 Accountability from a coach you can trust!
- 06 Access to articles with most up to date training theory, recovery methods, and nutrition science
- 07 In-person speed sessions with the rest of Team Tidal, on Nantucket!
Cancellation Notice
We believe in flexibility. If something isn't working for you, it's not working for us. That being the case, we believe in keeping the pricing schedule month-to-month. We also value our coaches' time, so there is a 30 day cancellation notice. Please be considerate.
04 · Contact