You don’t need any food/fuel for a half marathon. I would carry water though. 1. [deleted] • 4 yr. ago. Depends on how you fueled when you were training and how you pre fuel on race day. Taking gels without water isn’t difficult but you’d want to do it prior to race day to make sure you can get them down. Downhill can be tricky on your quads, use a midfoot versus a heel strike (meaning, hit the ground with your midfoot) to avoid breaking after every stride. I decided that I could run this half marathon because it was downhill, but my colleague informed me that can be the most difficult part of a race because it can create quad strains. Science has long shown the benefits of beets for athletes: Runners who threw back a beet juice shot before racing cut 1.5 percent off their 5K race times, found a study published in the Journal of Half marathon training is challenging. No matter how experienced you are, running a half marathon distance (13.1 miles) is a huuuuge achievement, and crossing the finish line after all your 3. Rest, ice, compression and elevation really work for aches and pains – use them. 4. Avoid speed training. Unless you're after a podium place, the risk of injury is outweighed by the marginal Interval training is still an important part of preparing for a marathon on a keto diet. However, interval runs should be few and far between—no more than once a week at the maximum. Plan ahead for harder interval workouts by running easy and short the day before. 9. Small Amounts of Carbs are Okay. When combined with a running program, Pilates and yoga can be an effective way to maintain fitness and flexibility. Working harder than usual will increase the intensity of your training for a half marathon. This entails taking care of what you eat and ensuring that you are hydrated at all times. Folks have given some good tips but if you aren’t actively tracking (weighing/measuring) what you’re eating you can’t be sure you’re actually 1. Eating enough and 2. Eating the right things. Second part should be worked on with a nutritionist at least, tho dietician would be better. You don't need to eat, at all, during half-marathons or even long training runs (though drinking is encouraged), but the marathon is a completely different story altogether. bombiewhether • 10 yr. ago Trained for and ran two marathons at a pretty competitive level (2 hours, 40 minutes.) If you believe you will finish the Half Marathon in over 2 hours 15 minutes (2:15) or the Marathon in over 4 hours 30 minutes (4:30), proof of time is not required. Start placement is based on your anticipated finish time and start group capacities. Disney Challenge participants should adhere to Half Marathon or Marathon proof of time requirements. fii5w.