GU Energy Labs subject lines
73 subject lines averaging 34 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Oct 31, 2026 12:00 AM | Treat Yourself to the Flavor of Fall 🍂 (No Tricks Here!) | 58 | Celebrate Halloween with Maple Cinnamon and fuel your adventure. | Oct 31, 2026 12:00 AM · 58 characters. Celebrate Halloween with Maple Cinnamon and fuel your adventure. | |
| Oct 28, 2026 2:05 AM | Still curious? Your GU is right where you left it | 49 | You checked it out. Now see why athletes trust it. | Oct 28, 2026 2:05 AM · 49 characters. You checked it out. Now see why athletes trust it. | |
| Oct 28, 2026 12:00 AM | Chocolate: The Fuel You Crave! 🍫 | 33 | Celebrate Chocolate Day with this endurance-ready flavor. | Oct 28, 2026 12:00 AM · 33 characters. Celebrate Chocolate Day with this endurance-ready flavor. | |
| Oct 20, 2026 12:00 AM | Explore New Energy with GU Mixed Box | 36 | Discover your favorite flavors and fuel all in one box. | Oct 20, 2026 12:00 AM · 36 characters. Discover your favorite flavors and fuel all in one box. | |
| Oct 18, 2026 7:07 AM | Last Chance for 20% Off ⌛ | 26 | Still Thinking About Fueling Up? | Oct 18, 2026 7:07 AM · 26 characters. Still Thinking About Fueling Up? | |
| Oct 16, 2026 12:38 PM | Still curious? Your GU is right where you left it | 49 | You checked it out. Now see why athletes trust it. | Oct 16, 2026 12:38 PM · 49 characters. You checked it out. Now see why athletes trust it. | |
| Oct 16, 2026 7:03 AM | Open For Your 20% Off Code ➡️ | 29 | Your next adventure is calling. | Oct 16, 2026 7:03 AM · 29 characters. Your next adventure is calling. | |
| Oct 13, 2026 8:00 PM | Roxanne Vogel, PhD: 218 Miles, 2nd Woman, 3rd Overall 🏅 | 55 | 58 hours on the Mammoth 200 and a podium finish on her home trails. | Oct 13, 2026 8:00 PM · 55 characters. 58 hours on the Mammoth 200 and a podium finish on her home trails. | |
| Oct 9, 2026 8:00 PM | Your Fall Cravings, Fulfilled 🎃 | 32 | Pumpkin Spice Energy Gel is the flavor of Fall. | Oct 9, 2026 8:00 PM · 32 characters. Pumpkin Spice Energy Gel is the flavor of Fall. | |
| Oct 7, 2026 1:33 AM | Still curious? Your GU is right where you left it | 49 | You checked it out. Now see why athletes trust it. | Oct 7, 2026 1:33 AM · 49 characters. You checked it out. Now see why athletes trust it. | |
| Oct 6, 2026 10:00 PM | Find your perfect fall race 🍂 | 30 | From 5Ks to ultras, here’s how to choose the right one for you. | Oct 6, 2026 10:00 PM · 30 characters. From 5Ks to ultras, here’s how to choose the right one for you. | |
| Sep 29, 2026 6:02 AM | ☕ Happy National Coffee Day. Order up. | 39 | Espresso, cold brew, coffee caramel and more, ready for the long haul. | Sep 29, 2026 6:02 AM · 39 characters. Espresso, cold brew, coffee caramel and more, ready for the long haul. | |
| Sep 25, 2026 10:00 PM | 5 Steps to a Dialed Fall Fuel Plan 🍂 | 37 | Test early, train your gut, and recover like it counts. | Sep 25, 2026 10:00 PM · 37 characters. Test early, train your gut, and recover like it counts. | |
| Sep 20, 2026 12:00 AM | Last Call: We're Still Overstocked | 34 | BOGO sale ends soon, don't let this fuel go to waste | Sep 20, 2026 12:00 AM · 34 characters. BOGO sale ends soon, don't let this fuel go to waste | |
| Sep 18, 2026 7:37 PM | Fuel Up: New BOGO Liquid Energy Box! | 36 | Flash sale: buy 1 Liquid Energy Refresh Mixed Box, get 1 free | Sep 18, 2026 7:37 PM · 36 characters. Flash sale: buy 1 Liquid Energy Refresh Mixed Box, get 1 free | |
| Sep 18, 2026 12:01 AM | Help Protect 45M Acres of Public Land 🌎 | 40 | Public lands need your voice before Oct 6. | Sep 18, 2026 12:01 AM · 40 characters. Public lands need your voice before Oct 6. | |
| Sep 13, 2026 12:00 AM | Last Day: $10 Off Ends Tonight ⌚ | 33 | Code 10OFFGU expires at midnight. | Sep 13, 2026 12:00 AM · 33 characters. Code 10OFFGU expires at midnight. | |
| Sep 10, 2026 12:00 AM | Still Time to Build Your Fuel Kit | 33 | Code 10OFFGU saves $10 on orders $49+. | Sep 10, 2026 12:00 AM · 33 characters. Code 10OFFGU saves $10 on orders $49+. | |
| Sep 7, 2026 12:00 AM | Fall Training Starts Here: $10 Off | 34 | Use code 10OFFGU on orders $49+. Sept 7–13. | Sep 7, 2026 12:00 AM · 34 characters. Use code 10OFFGU on orders $49+. Sept 7–13. | |
| Sep 4, 2026 10:00 PM | The Other Half of Training | 26 | 20g protein, fast carbs, key electrolytes. One scoop. | Sep 4, 2026 10:00 PM · 26 characters. 20g protein, fast carbs, key electrolytes. One scoop. | |
| Sep 1, 2026 1:51 AM | Still curious? Your GU is right where you left it | 49 | You checked it out. Now see why athletes trust it. | Sep 1, 2026 1:51 AM · 49 characters. You checked it out. Now see why athletes trust it. | |
| Aug 31, 2026 10:00 PM | New: The Liquid Energy Refresh Box | 34 | Five flavors, one box. Find your new favorite flavor. | Aug 31, 2026 10:00 PM · 34 characters. Five flavors, one box. Find your new favorite flavor. | |
| Aug 29, 2026 12:00 AM | GU Is Fueling TCS Sydney Marathon | 33 | Your official nutrition partner for the 7th World Major. | Aug 29, 2026 12:00 AM · 33 characters. Your official nutrition partner for the 7th World Major. | |
| Aug 25, 2026 12:32 PM | Fall Flavor Alert: Pumpkin Spice is Back! 🎃 | 44 | Your favorite fall flavor returns. Limited time only. | Aug 25, 2026 12:32 PM · 44 characters. Your favorite fall flavor returns. Limited time only. | |
| Aug 24, 2026 1:06 PM | Celebrate National Waffle Day 🧇 | 32 | Real ingredients, bold flavor, real energy on the go. | Aug 24, 2026 1:06 PM · 32 characters. Real ingredients, bold flavor, real energy on the go. | |
| Aug 20, 2026 12:01 AM | It's National Lemonade Day 🍋 | 29 | Tart, refreshing fuel for your next hot-weather push. | Aug 20, 2026 12:01 AM · 29 characters. Tart, refreshing fuel for your next hot-weather push. | |
| Aug 17, 2026 12:00 AM | Roctane or Hydration Tabs? Let's find out 💧 | 44 | Two ways to hydrate. | Aug 17, 2026 12:00 AM · 44 characters. Two ways to hydrate. | |
| Aug 14, 2026 12:01 AM | Last Call: $20 Off Ends Tonight | 31 | Final hours to save $20 and ship free. | Aug 14, 2026 12:01 AM · 31 characters. Final hours to save $20 and ship free. | |
| Aug 10, 2026 12:00 AM | It's National S'mores Day 🔥 | 28 | Campfire nostalgia, trail-ready fuel. | Aug 10, 2026 12:00 AM · 28 characters. Campfire nostalgia, trail-ready fuel. | |
| Aug 7, 2026 4:01 AM | Free Shipping + $20 Off Starts Now | 34 | Limited time to stock up. Code inside. | Aug 7, 2026 4:01 AM · 34 characters. Limited time to stock up. Code inside. | |
| Aug 3, 2026 8:04 PM | Happy National Watermelon Day 🍉 | 32 | Celebrate with the flavor that tastes like summer | Aug 3, 2026 8:04 PM · 32 characters. Celebrate with the flavor that tastes like summer | |
| Jul 31, 2026 12:00 AM | Should You Train Outside Today? | 31 | Wildfire season is here. Here's how to train smart, not smoky. | Jul 31, 2026 12:00 AM · 31 characters. Wildfire season is here. Here's how to train smart, not smoky. | |
| Jul 27, 2026 12:00 AM | New Liquid Energy That Tastes Like... | 37 | Clean, neutral fuel that beats flavor fatigue. No caffeine, no fuss. | Jul 27, 2026 12:00 AM · 37 characters. Clean, neutral fuel that beats flavor fatigue. No caffeine, no fuss. | |
| Jul 24, 2026 10:00 PM | Your Campfire Craving, Solved | 29 | S'mores flavor. Real fuel. No fire required. | Jul 24, 2026 10:00 PM · 29 characters. S'mores flavor. Real fuel. No fire required. | |
| Jul 22, 2026 12:00 AM | The Right Way To Use Caffeine ⚡ | 32 | Timing matters more than you think. | Jul 22, 2026 12:00 AM · 32 characters. Timing matters more than you think. | |
| Jul 17, 2026 10:00 PM | Take the Guesswork out of Fueling | 33 | Meet the new GU Nutrition Calculator. | Jul 17, 2026 10:00 PM · 33 characters. Meet the new GU Nutrition Calculator. | |
| Jul 13, 2026 10:00 PM | Find Your Flavor 🍑🍋🍫 | 21 | The right one changes everything. | Jul 13, 2026 10:00 PM · 21 characters. The right one changes everything. | |
| Jul 10, 2026 8:01 PM | The hardest part isn’t the miles | 34 | It’s showing up again tomorrow. | Jul 10, 2026 8:01 PM · 34 characters. It’s showing up again tomorrow. | |
| Jul 6, 2026 12:00 AM | Running Low? Free Shipping Ends Tonight ⌛ | 42 | Last chance to stock up | Jul 6, 2026 12:00 AM · 42 characters. Last chance to stock up | |
| Jul 3, 2026 12:00 AM | Shipping's on Us! 🚚 Grab Your GU Today! | 41 | Time to stock up ⏰ | Jul 3, 2026 12:00 AM · 41 characters. Time to stock up ⏰ | |
| Jun 29, 2026 8:00 PM | Fueling the toughest race ⛽ | 28 | Inside our support for Marathon des Sables athletes. | Jun 29, 2026 8:00 PM · 28 characters. Inside our support for Marathon des Sables athletes. | |
| Jun 25, 2026 12:00 AM | More Voices at Western States | 29 | Meet the athletes reshaping the start line. | Jun 25, 2026 12:00 AM · 29 characters. Meet the athletes reshaping the start line. | |
| Jun 23, 2026 12:00 AM | National Hydration Day Is Here 💦 | 33 | Hydrate right and go further. | Jun 23, 2026 12:00 AM · 33 characters. Hydrate right and go further. | |
| Jun 21, 2026 12:00 AM | Grab Your Free Flask Before It's Gone! ⏰ | 41 | Ends tonight! $49+ gets you a free flask. | Jun 21, 2026 12:00 AM · 41 characters. Ends tonight! $49+ gets you a free flask. | |
| Jun 18, 2026 12:00 AM | Grab Your Free GU Soft Flask! 🎉 | 32 | 6/18 to 6/21 on orders $49+. | Jun 18, 2026 12:00 AM · 32 characters. 6/18 to 6/21 on orders $49+. | |
| Jun 15, 2026 5:31 PM | Experience Unbound Up Close | 27 | The miles. The mud. The meaning. | Jun 15, 2026 5:31 PM · 27 characters. The miles. The mud. The meaning. | |
| Jun 12, 2026 12:00 AM | Hydration That Goes the Distance 💧 | 35 | Electrolytes that work as hard as you do. | Jun 12, 2026 12:00 AM · 35 characters. Electrolytes that work as hard as you do. | |
| Jun 8, 2026 10:00 PM | $43K+ Raised at Unbound Gravel | 30 | Yuri finished but the mission keeps rolling. | Jun 8, 2026 10:00 PM · 30 characters. Yuri finished but the mission keeps rolling. | |
| Jun 3, 2026 12:00 AM | Happy Global Running Day 🏃 | 27 | Fuel your miles and enjoy the run. | Jun 3, 2026 12:00 AM · 27 characters. Fuel your miles and enjoy the run. | |
| Jun 1, 2026 12:00 AM | Tropical Fuel Has Arrived 🛬🌴 | 29 | Smooth energy. Big tropical flavor. | Jun 1, 2026 12:00 AM · 29 characters. Smooth energy. Big tropical flavor. |
Based on 73 emails received from Mar 16 to Oct 31, 2026. Times in US Eastern. How we collect