Best Energy Gels for Long Runs and Marathons in 2026
⚡ Nutrition Guide
Best Energy Gels for Long Runs & Marathons
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Bonking mid-run isn’t a willpower problem — it’s a fuel problem. Once your body burns through stored glycogen (usually somewhere around 90 minutes to 2 hours into sustained effort), performance falls off a cliff unless you’re taking in carbs to keep the tank topped off. Energy gels are the simplest way to do that: a small, portable packet of fast-digesting carbs you can take on the move.
The problem is that not all gels are created equal — carb content, sugar load, caffeine, and gut-friendliness vary a lot between brands, and so does what you’re actually paying per gram of fuel. We compared the most popular options, including cost-per-carb, to help you find the one that works for your stomach, your race, and your budget.
How Many Carbs Do You Actually Need?
Current sports nutrition guidance for efforts over 2–3 hours generally points toward 60–90g of carbs per hour, which usually means more than one standard gel every 45 minutes to an hour. Higher-carb gels (Carbs Fuel, Maurten, Crank) let you hit that target with fewer packets; lower-carb gels need to be paired with a carb drink mix to get there. Always practice your fueling plan in training — race day is the wrong time to find out a gel doesn’t sit well with you.
Our Top Picks
Carbs per $ below is grams of carbohydrate divided by price per gel, using list price with no shipping — higher means more fuel for your money. It’s not the only thing that matters (taste, gut tolerance, and caffeine still count for plenty), but it’s a useful gut-check, especially if you’re fueling an ultra or a full-distance triathlon where you might go through 15–20+ gels.
| Gel | Carbs | Carbs per $ | Caffeine | Price | Best For |
|---|---|---|---|---|---|
| Carbs Fuel Original | 50g | 25.0g | None | $36 / 18-pack ($2.00/gel) | Best value, highest carb load |
| Maurten Gel 160 | 40g | 8.0g | None | $50 / 10-pack ($5.00/gel) | Elite hydrogel tech, sensitive stomachs |
| Crank Energy Gels | 37g | 14.8g | None | $60 / 24-pack ($2.50/gel) | High carb, low sugar |
| Untapped Pure Maple Syrup | 26g | 11.6g | None | $44.95 / 20-pack ($2.25/gel) | Natural, minimal ingredients |
| Honey Stinger | 24g | 14.4g | None | $39.99 / 24-pack ($1.67/gel) | Easy digestion, gluten-free |
| Huma Chia Energy Gels | 23g | 9.5g | None | $29 / 12-pack ($2.42/gel) | Sensitive stomachs, whole-food ingredients |
| SiS GO Energy + Caffeine | 22g | 16.9g | 75mg | $39 / 30-pack ($1.30/gel) | Caffeine boost, low sugar |
| GU Chocolate Outrage | 21g | 15.8g | None | $32 / 24-pack ($1.33/gel) | Budget classic, great taste |
| UCAN Edge | 19g | 5.7g | None | $39.95 / 12-pack ($3.33/gel) | Zero sugar, steady energy |
| Muir Energy Gels | 12g | 4.2g | None | $68 / 24-pack ($2.83/gel) | Slow-burn, higher fat content |
Detailed Breakdowns
Carbs Fuel Original — Best Value, Highest Carb Load ($36 / 18 gels)
Carbs Fuel keeps the formula simple: 50g of carbohydrate and 200 calories per gel, more than any other gel in this lineup, at a per-gel price that undercuts nearly everything else here too — which makes it the clear winner on carbs-per-dollar. It also comes in a 25g size for runners who want a smaller dose, and a caffeinated version for late-race stages.
Who it’s for: Budget-conscious athletes and anyone targeting the higher end of the 60–90g/hour carb range who wants to do it with fewer, cheaper gels rather than more expensive ones.
Shop Carbs Fuel Original at CarbsFuel.com →
Maurten Gel 160 — Elite Hydrogel Tech ($50 / 10 gels)
Maurten’s hydrogel technology encapsulates carbohydrate in a gel that behaves differently in your stomach than traditional syrupy gels, which is why it’s become the go-to choice among elite marathoners including Eliud Kipchoge. At 40g of carbs per gel, it’s still one of the most carb-dense options available — Carbs Fuel edges it out on raw carbs and on cost-per-carb, but Maurten’s stomach-friendly reputation is a real reason some athletes pay the premium.
Who it’s for: Runners who’ve had GI issues with traditional gels, and anyone trying to hit a high hourly carb target without eating constantly.
Shop Maurten Gel 160 at Amazon →
Crank Energy Gels — High Carb, Low Sugar ($60 / 24 gels)
37g of carbs with only 7g of sugar and 230mg of sodium per serving — Crank leans on complex carbohydrates rather than simple sugar, which some runners find easier on the stomach over long efforts.
Who it’s for: Runners who want a high carb count without the sugar spike, and anyone who also wants meaningful electrolyte replacement built into their gel.
Shop Crank Energy Gels at CrankSports.com →
Untapped Pure Maple Syrup — Natural, Minimal Ingredients ($44.95 / 20 gels)
Just organic Vermont maple syrup with trace minerals — no artificial flavoring, no added stabilizers. It’s about as close to “real food” as an energy gel gets.
Who it’s for: Runners who prioritize clean, simple ingredient lists over engineered sports nutrition.
Shop Untapped Maple Syrup Gel at UnTapped.cc →
Honey Stinger — Easy Digestion, Gluten-Free ($39.99 / 24 gels)
Built on organic tapioca syrup and honey, Honey Stinger gels are certified gluten-free and widely reported as one of the easier gels to digest, especially at faster paces when blood flow to the gut is limited.
Who it’s for: Runners with sensitive stomachs and anyone avoiding gluten.
Shop Honey Stinger Energy Gels at HoneyStinger.com →
Huma Chia Energy Gels — Whole-Food Ingredients ($29 / 12 gels)
Made with chia seeds and real fruit, Huma gels are gluten-free, dairy-free, and vegan, targeting runners who want fewer processed ingredients without sacrificing the convenience of a gel.
Who it’s for: Runners managing dietary restrictions or who simply prefer whole-food-based fuel.
Shop Huma Chia Energy Gels at Amazon →
SiS GO Energy + Caffeine — Caffeine Boost ($39 / 30 gels)
75mg of caffeine (about a cup of coffee) combined with fast carbs and less than 1g of sugar. A reliable way to get a mental and physical lift in the back half of a long run or race without relying on caffeinated drinks.
Who it’s for: Runners who want a caffeine boost late in a race, and anyone who trains or races early morning without their usual coffee.
Shop SiS GO Energy + Caffeine at Amazon →
GU Chocolate Outrage — Budget Classic ($32 / 24 gels)
GU has been making gels since 1993, and Chocolate Outrage remains one of the most popular flavors for a reason — genuinely good taste with a balanced, not-too-sweet profile made with organic dark chocolate.
Who it’s for: Runners who want a proven, affordable, widely available gel without any gimmicks.
Shop GU Energy Gel at Amazon →
UCAN Edge — Zero Sugar, Steady Energy ($39.95 / 12 gels)
UCAN’s slow-burning formula uses a different carbohydrate source (SuperStarch) designed to release energy gradually instead of spiking blood sugar. It has zero sugar, which appeals to runners managing blood sugar concerns or who dislike the sugar crash some gels cause.
Who it’s for: Runners who’ve noticed energy crashes after typical sugary gels, or who are managing blood sugar for other reasons.
Shop UCAN Edge Energy Gel at UCAN.co →
Muir Energy Gels — Slow-Burn, Higher Fat ($68 / 24 gels)
Made with seed and nut butters, Muir gels have a lower carb count but higher fat content, designed for a slower, more sustained energy release rather than a quick hit. They’re the priciest option here, but the most distinct in approach.
Who it’s for: Ultra-distance athletes or anyone who wants sustained energy over quick spikes.
Shop Muir Energy Gels at MuirEnergy.com →
Pairing Gels With a Carb Drink Mix
If you’re targeting the higher end of the 60–90g/hour carb range, most runners can’t comfortably eat enough gels alone to get there. A carb-based drink mix like Tailwind (about $38 for 50 servings, 25g carbs per serving) sipped alongside your gels is a common way to close the gap without stomach distress.
Shop Tailwind Nutrition at Amazon →
Quick Buying Guide
Best value / most carbs per dollar: Carbs Fuel Original.
Want the fewest gels for the most carbs, elite-tested: Maurten Gel 160.
Sensitive stomach: Honey Stinger or Huma Chia.
Need a caffeine lift late in the race: SiS GO Energy + Caffeine.
Budget pick: GU Chocolate Outrage.
Managing blood sugar or avoiding sugar crashes: UCAN Edge.
Want whole-food, minimal-ingredient fuel: Untapped Maple Syrup.
Check out our Best Running Shoes for Marathon Training guide and our 12 Training Gadgets Every Endurance Athlete Should Know About for more.
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