You may find more information on jumping running shoes online at www.livestrong.com/jumping-shoes/ which provides advice about the best shoes to wear for different jumping activities. You may also find more infmation at www.jumpingmonkeys.com/
Although I was not aware of being able to design running shoes online, my research has found that I am wrong. I was viewing eHow, and found an article "How to Create Your Own Shoes on Nike". If you view this article you will find all of the steps required.
Since your getting running shoes for a marathon, I suggest you go to the major sporting stores and/or shoe stores. The sales people will help you out, fit you, and find the perfect shoes for you.
Research documents regarding running shoes can be found on many news sites such as CBC. There is also a good article regarding running shoe research on the LiveScience website.
Professional sports stores usually have professional sales staff who can provide customers with professional advice and fitting services. They also offer a wide variety of running shoes. Find the right neutral running shoes at [babareplica].
You can find running shoes that offer stability while jogging at the following web sites...www.runnersworld.com ... Running Shoe Reviews or www.ransacker.co.uk/running-shoes/stability-running-shoes/
There is a great magazine called Runner's World or Running magazine and they have lists every three months on the best running shoes for different kinds of running, including trail running, track running and sprinting. The Nike Lunar Glides are the best.
You can find discount running shoes at DSW Warehouse, Payless Shoes, Marshalls Shoes. You can find discounted running shoes at shoe store outlets as well.
The best places to go to see which marathon running shoes will work best for you is to go to a sporting goods store or a sports shoe store and talk to one of the shoe experts.
To find the best ruuning sheos for your dad's birthday, I would suggest you go to sportscheck, sports authority, atmosphere stores for better advice, if not just go to walmart and pick out the reasonable price running shoes.
You can find discount track running shoes look on amazon. If you are looking for track running shoes at a discount price, where can I find some at amazon.
Your best bet would be online. You can also read fitness magazines, like Fitness, or magazines about running but I think it would be easiest to find online.