As long as you realize you're out to finish and not putting unrealistic expectations out there, no reason you couldn't finish them. Wifey just did the Disney Dopey Challenge, 4 days of racing...5km, 10km, half mary, then full marathon. 3 parks of 8 hours a day non-stop park exploring on her feet. Only sitting down for lunch or on a ride. Long standing lines...incredible and crazy. 2-3 AM wake up calls each morning for the races with bedtime around 9 PM. Not something I want to attempt. So sure, go for it and have fun if you're just out to finish.

If you recover well, then you can do it, but I guarantee the tail end of the marathon won't be pretty. I recover pretty fast after a HIM, and am back to usual training by Wednesday-Thursday after a Sunday race. If this sounds like you, then you can certainly do the marathon. What is the reason to race this particular marathon? The only time I've done a marathon and not raced as fast possible was when I was pacing my wife (twice).

I guess my perspective is coming from truly racing a marathon - I feel that takes more out of you and I feel worse afterwards than after an Ironman. I know that sounds kind of crazy, but my legs are absolutely wrecked for 4-5 days post marathon - backwards down stairs and all. For an IM my legs don't feel nearly as bad during that same time period.

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You can finish that marathon but you won't be racing. You'll blow up sooner that you'd think like half way into the marathon and the finish will be a fight for survival.

I'm doing Cairns IM, and then Gold Coast full marathon (one month) - should be enough.

Good luck! Let us know how it goes.

Doable but make sure to manage expectations as far as the marathon; since the half IM is your A race, you'll still be feeling it during the marathon. If your goal for the marathon is just to finish and have some fun, you'll be fine.

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"You can never win or lose if you don't run the race." - Richard Butler

Yeah, If you're not "racing" the marathon, have at it. Take a few days rest before and bust out some Zone 2 pace the entire way. No big deal.

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- Jordan

My Strava

My 43rd birthday was 3 days after I raced a 70.3. I decided I wanted to run my age in miles on my BD. I settled for 31 miles for a 50k so yes, it's possible. My pace was about 2:1/2 minutes slower per mile though but I was okay with that. Sounds like you are good just finishing so get your head right, adjust your pace and you will be fine.

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http://www.sfuelsgolonger.com