Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling - Will I expierience any problems?

Right now i have a SC 1800 (Supercycle - Yes i know its "crap" but i got it as a gift).
Anyways it is currently the women's frame not the men's frame and i am wondering if i would having any issues riding this bike for a 100km bike ride.

Yes i know a mountain bike is not the smartest thing to ride for long distance but it'll have to do.

EDIT:
Woops i didn't find out this was the wrong section until now, Answers would still be appreciated

Roadie Forum - 80 miles or less
Long Distance Cycling - 100+ miles plus multi day races and events. (RAAM, Furnace Creek)...

it's hard to know. That is a cheap enough bike that you may have failures just riding along. They do tend to wear out quickly because they aren't really intended to be ridden much.

I've ridden worse bikes longer distances. Just know at the beginning that you won't be real fast, but you should be fine. People forget that bikes like yours were considered state of the art 50 years ago and people would kill to ride something that sleek and fast. Relax and enjoy the journey.

I had a $100 mountain bike for a year or so. Issues I had with it were brakes gradually getting worse and worse, shifting not real reliable, and wheels not up to ANY kind of off-road riding. None of those would have prevented it from being used on a 100k had I elected to do so.

I did use my Worksman cruiser on a number of 100k and longer rides.

Just riding the bike on various shorter distances are what will give you the confidence to try longer distances. If you never ride it at all, and then go do a 100k, you may be wondering how it'll work. If you get out and ride 10 or 20 miles a day, you'll know what to expect.

There will always be problems. that's life. It's how we handle them. My advice is don't look for problems. Do all you can to prepare you and the bike for the event and have a good time. The last century I did, I saw lots of flat tires for instance. they had a problem. I uses slime tubes. they are heavy, but I thought worth it considering I was ridding through the desert, in Tucson, noted for not being kind to tires. Just ride and have a good time.

Here is reviews on the bike:

http://reviews.canadiantire.ca/9045/0711556P/reviews.htm