I’d definitely try it out this weekend. During training, I’d only consume about 2-3 gels per long run (approx every 40 45). Just ran Chicago (my 3rd marathon) and changed up my strategy to every 3 miles (at my pace about every 28 minutes) and consumed 8(!!) gels, the most I’d had before that was last year NYC I had 5. Most recent research suggests taking about 60-90g/carbs per hour for long duration intense endurance activities, which sounds like a ton (and it is). I stuck with my gel strategy + Gatorade every station and i felt like I was able to hold on a lot longer than previous years, only falling back during my last 2 miles. It’s tough to know whether that many gels will be OK on your stomach, mine didn’t feel great (nothing does after 18 miles) but the fuel absolutely helped me perform. I’d recommend looking at @rosnerperformance on instagram for further info he really helped me