kathryn
Cathlete
As everyone else has said: no, running isn't necessary. In fact, I think it's not a form of exercise most people can keep up as a long-term habit without injury. I can't run (I screwed a knee up years ago doing so), but I find that power walking is a challenging, sustainable way to cross-train. If you work up to a speed that would actually feel easier to run at (I'm not quite there yet), you actually burn more calories than running, because you are forcing your body to be inefficient.
If needing to be in proximity of a rest room is what keeps you from running, it will also be a concern for walking, but with a bit of thought, you can plan a route that passes near rest rooms (in parks or fast-food restaurants), or develop a 'cloverleaf' walking pattern, that starts at your house, and returns (making one loop), then takes off in another direction and returns (making anouther loop), and so on, for as many loops as you wish (I recommend 4--one in each direction---each 15 minutes long, for an hour-long workout).
You can also find water fountains in parks, or carry a waist pack with a water bottle (www.walkerswarehouse.com has some, for example) or a camel pack (which holds more).
If you don't like walking either, Traci gave an excellent list of cross-training activities you can choose from.
If needing to be in proximity of a rest room is what keeps you from running, it will also be a concern for walking, but with a bit of thought, you can plan a route that passes near rest rooms (in parks or fast-food restaurants), or develop a 'cloverleaf' walking pattern, that starts at your house, and returns (making one loop), then takes off in another direction and returns (making anouther loop), and so on, for as many loops as you wish (I recommend 4--one in each direction---each 15 minutes long, for an hour-long workout).
You can also find water fountains in parks, or carry a waist pack with a water bottle (www.walkerswarehouse.com has some, for example) or a camel pack (which holds more).
If you don't like walking either, Traci gave an excellent list of cross-training activities you can choose from.