Why am i having constant foot cramps?

Many...: There can be many causes of this, but a common one is low mineral levels. Magnesium and potassium are the most common, but i suggest a nutritional evaluation to make sure. In the meantime, adding some magnesium and potassium supplements should be ok as long as you don't have any other conditions.

Many possible issues: The answer may be as simple as tired feet, electrolyte imbalance, circulation issues, or neurological deficits. See your local podiatrist for accurate diagnosis and treatment.

Foot strain: Could be from foot strain without proper support. Try an orthotic to give you support.

Few possibilities: Dehydration can cause cramps, strained muscles i.E overworking your intrinsic muscles this is common in swimming., vitamin deficiencies like magnesium or potassium are other possibilities.