Source Endurance

Source Endurance Individual, group coaching, and nutritional services for cycling clients who want results.

Whether gravel, road, MTB or triathlon, we work with you to create goals and dial in your training based on your needs and the time available to train.

06/15/2026

No one ever complains about being over-prepared. No one has ever crossed a finish line and thought, "I wish I had prepared less."

But plenty of cyclists have rolled up to a race, fondo, or big adventure wishing they had trained more consistently, recovered better, or had a plan.

That's where coaching comes in. We help athletes arrive at their events feeling confident—not wondering if they've done enough.

Whether your goal is a late-season gravel race, a mountain bike epic, a century ride, or simply becoming a stronger cyclist, it's not too late to make meaningful gains this season.

The best time to start preparing was months ago. The second-best time is today.

Ready to finish the season strong? Let's get to work.

Congrats to Julian Ballestas on winning the Pro/1 race at La Copa San Diego Omnium- Hunte Parkway RR just 4 months after...
06/14/2026

Congrats to Julian Ballestas on winning the Pro/1 race at La Copa San Diego Omnium- Hunte Parkway RR just 4 months after breaking his collarbone!

Coached by Taylor Warren, here's more from Julian about his season so far:

"A hospital trip with a broken collarbone and collapsed lung was something I still can't believe. I had never done something like this, even before my injuries. The past year has been very tough for me with medical setbacks, and I'm very grateful I can still perform at a top level thanks to my support crew and Coach Taylor!"

Just incredible Julian!

Thank you to everyone who came out to Saint Francis Tulsa Tough for our Junior Race Ready Clinic! We always look forward...
06/13/2026

Thank you to everyone who came out to Saint Francis Tulsa Tough for our Junior Race Ready Clinic!

We always look forward to helping the next generation of cyclists improve their skills and gain confidence on the bike.

If you have a junior rider who wants to get into racing, please reach out to us- https://source-e.net/coaching-consultation/

Summer racing season is here, and so is the heat.If you've ever felt your power fade, your heart rate spike, or your foc...
06/12/2026

Summer racing season is here, and so is the heat.

If you've ever felt your power fade, your heart rate spike, or your focus disappear during a hot race, you're not alone. The good news? Heat adaptation is a trainable skill.

Learn how to:
✅ Regulate body temperature more efficiently
✅ Improve cardiovascular performance
✅ Delay fatigue

The athletes who prepare for the heat before race day often have a significant advantage over those who don't. Read the full article and start building your heat tolerance now.

https://source-e.net/rider-resources/beyond-hydration-unveiling-the-secrets-of-heat-adaptation-for-athletes/

In case you missed it, Lindsey Herman took 2nd at Desert Gravel last month! Coached by Zack Allison, here's a bit more f...
06/10/2026

In case you missed it, Lindsey Herman took 2nd at Desert Gravel last month! Coached by Zack Allison, here's a bit more from Lindsey about her race, "This race took place on roads where I did some of my first bike rides ever! Just 2 years ago. So pushing at the front of the race with experienced athletes who I respect so much felt extra special.

As a former professional runner, I'm starting to learn how to execute tactical plans in a bike race and it's paying off! I am seeing faster times and more solid race finishes. I hope to be able to establish myself in the women's pro field over the next year or two and feel that this was a great step in that direction."

We whole-heartedly agree Lindsey, way to go!

06/10/2026

Huge shout out to , , , and all of our other coaches! They put on an amazing clinic for Junior cyclists today, and it was a blast!

Every week matters when your biggest events are happening right now.A coach doesn't just give you workouts. A coach help...
06/08/2026

Every week matters when your biggest events are happening right now.

A coach doesn't just give you workouts. A coach helps you train with purpose, recover properly, adapt to life stress, and arrive at your key races ready to perform.

Don't wait until the off-season to fix what's holding you back. Save your season. Build momentum now. Show up stronger for the races that still lie ahead.

Ready to make the most of the rest of 2026? Source Endurance can help. https://source-e.net/other-services/plan-comparison/

Big high five to Source Endurance athlete Julian Ballestas on returning to racing after injuries kept him sidelined. Coa...
06/07/2026

Big high five to Source Endurance athlete Julian Ballestas on returning to racing after injuries kept him sidelined.

Coached by Taylor Warren, here's more from Julian on the rebuilding process, "I performed well in a Cat‑1 race after coming back from two season‑ending injuries in the past year. The process of rebuilding—even to a fraction of my former fitness—has been mentally challenging, but moments like this make the work worthwhile and remind me why I ride in the first place: to have fun."

Welcome back Julian, we know there's good things to come this season!

Over-unders are one of the best workouts for building the power and repeatability needed to attack, recover, and keep th...
06/05/2026

Over-unders are one of the best workouts for building the power and repeatability needed to attack, recover, and keep the pace high when the race gets spicy.

This weekend's blog breaks down:
⚡ Why over-unders work
⚡ How to structure them
⚡ FTP targets & timing
⚡ How to make them race-specific

If steady-state intervals bore you to death, this one’s for you.

If sprinting is not your forte, to increase your odds of a victory or a podium finish, you’ll have to win a break-away. Enter the over-under.

Foggy brain is a lethal liability. Crits demand explosive speed, aggressive cornering, and continuous, violent accelerat...
06/04/2026

Foggy brain is a lethal liability. Crits demand explosive speed, aggressive cornering, and continuous, violent acceleration for up to 90 minutes.

If your mind is cluttered with business emails or training fatigue, your reaction time slows by a millisecond, which is the exact difference between a clean corner and a severe, high-speed crash.

If your training has started to feel more like a chore than an opportunity, Source Endurance athlete Justin Williams shares how he copes.

Reaching peak performance sometimes requires knowing when to step away.

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San Diego, CA

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Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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