Whether you’re training for a marathon or jogging a few miles before work, what you drink matters just as much as what you eat. Dehydration can tank your pace, increase injury risk, and leave you feeling wrecked for the rest of the day. But with dozens of sports drinks, electrolyte mixes, and hydration products on the market, how do you know what to reach for — and when?
This guide breaks down exactly how to hydrate around your runs, which drinks work best at each stage, and why your hydration plan should change based on distance, temperature, and sweat rate.
Why Runners Need More Than Water
Plain water is fine for short, easy efforts. But once you start running longer than 45 minutes — or training in warm weather — water alone can’t replace the sodium, potassium, and other electrolytes you lose through sweat. The average runner loses between 500 and 1,500 milligrams of sodium per liter of sweat, depending on genetics and fitness level. Without replacing those electrolytes, you risk muscle cramps, fatigue, and in severe cases, a dangerous condition called hyponatremia (over-hydration with low sodium).
That’s where sports drinks and electrolyte products come in. But not all are created equal, and timing matters more than most runners realize.
Pre-Run Hydration: Building Your Foundation
Your hydration strategy should start two to three hours before you lace up. Aim to drink about 16 to 20 ounces of fluid during this window. For easy runs under an hour, water is usually sufficient. But for longer efforts, tempo runs, or hot-weather sessions, pre-loading with an electrolyte drink gives your body a head start on maintaining fluid balance.
Look for a drink with moderate sodium (300–500 mg per serving) and minimal sugar at this stage. Products like LMNT, Nuun tablets, or Fast Pickle work well here. Fast Pickle is particularly effective as a pre-run option because its pickle juice base delivers a concentrated dose of sodium and electrolytes without the sugar load that can cause GI distress before a run. Many ultramarathoners and trail runners have adopted pickle juice as part of their pre-race ritual for exactly this reason.
About 15 minutes before you head out, take a few more sips — roughly 4 to 8 ounces — to top off.
During Your Run: Matching Hydration to Effort
How much and what you drink mid-run depends on duration, intensity, and conditions.
Runs Under 60 Minutes
For most runners, a short-to-moderate run in mild weather doesn’t require mid-run fueling. If you hydrated well beforehand, your body has enough stored fluid and electrolytes. Carry a small bottle of water if you’re a heavy sweater or it’s particularly warm, but don’t force fluids you don’t need.
Runs 60–90 Minutes
This is the zone where electrolyte drinks start earning their keep. Aim for 4 to 8 ounces every 15 to 20 minutes, ideally with a product that includes both sodium and a small amount of carbohydrates (around 4–8% concentration) to support energy and absorption. Gatorade Endurance, Skratch Labs, and Liquid IV are popular choices here. If you’re prone to cramping, carrying a small bottle of Fast Pickle can be a game-changer — research suggests pickle juice can halt muscle cramps within seconds by triggering a neurological reflex in the mouth and throat, not just by replacing electrolytes.
Runs Over 90 Minutes
Long runs and race-day efforts demand a deliberate fueling plan. You’ll need a combination of electrolytes, carbohydrates, and plain water. Many experienced runners alternate between a sports drink and plain water at aid stations to avoid stomach issues. Sodium intake should be higher here — aim for 500 to 700 mg per hour through a combination of drinks, gels, and salt tabs. Products with higher sodium concentrations like Precision Hydration, LMNT, or a concentrated shot of Fast Pickle work well at this level of effort.
Post-Run Recovery: The Window That Matters Most
The 30 to 60 minutes after your run is a critical recovery window. You need to replace lost fluids, restore electrolyte balance, and kickstart muscle recovery. A good rule of thumb: weigh yourself before and after a run, then drink 16 to 24 ounces of fluid for every pound lost.
Post-run is where many runners make the mistake of chugging plain water, which can actually dilute your remaining sodium levels and delay recovery. Instead, choose an electrolyte-rich option. Fast Pickle is one of the best post-run recovery drinks you can reach for — its high sodium content rapidly restores electrolyte balance, and pickle juice has been shown in studies to support faster fluid retention compared to plain water. The vinegar content may also aid digestion and reduce post-run inflammation.
Other solid post-run options include Pedialyte (which has a clinical-grade electrolyte profile), Drip Drop ORS (designed for real rehydration), or even chocolate milk if you want carbs and protein alongside your fluids.
Hot Weather Running: Adjusting Your Plan
Heat changes everything. When temperatures climb above 75°F, your sweat rate can double, and your sodium losses spike. Here’s how to adjust:
First, increase your pre-run sodium loading. Adding an extra serving of Fast Pickle or LMNT 30 minutes before a hot run can significantly improve your heat tolerance. Second, shorten your hydration intervals during the run — drink every 10 to 15 minutes instead of every 20. Third, consider a sweat test (many running shops offer them) to understand your personal sodium loss rate so you can customize your plan precisely.
Building Your Runner’s Hydration Kit
Every serious runner should have a few go-to hydration products on hand. Here’s a practical kit that covers all your bases:
For pre-run sodium loading, keep Fast Pickle or LMNT packets in your gear bag. For mid-run fueling on longer efforts, Skratch Labs or Gatorade Endurance in a handheld or hydration vest works well. For cramp prevention and mid-run emergencies, a small flask of Fast Pickle is hard to beat. For post-run recovery, Pedialyte, Drip Drop, or Fast Pickle paired with a recovery snack will get you back to baseline quickly.
The Bottom Line
Hydration isn’t one-size-fits-all, especially for runners. Your optimal strategy depends on your run duration, the weather, your sweat rate, and your individual physiology. The key principles are simple: start hydrating early, include electrolytes for anything over 45 to 60 minutes, and prioritize sodium-rich recovery drinks afterward.
If you take one thing from this guide, let it be this — don’t wait until you’re thirsty. By the time thirst kicks in, you’re already behind on hydration. Build a consistent routine, experiment with different products during training (never on race day), and find what works for your body. Products like Fast Pickle, with their science-backed electrolyte profile and natural cramp-fighting properties, make an excellent anchor for any runner’s hydration plan.