BE CAREFUL AND ATTENTIVE WHEN RUNNING WITH YOUR DOG
Dogs need to drink often, particularly if they are exerting themselves. So it's a good idea to stop every fifteen minutes to give your animal a drink. You will need to carry a container – if you haven't taught your dog to drink from a bottle, in a CamelBak for example. Don't make them run in hot weather. And don't forget they don't have shoes! In other words, make sure the ground temperature is tolerable.
It's important that your dog doesn't eat for at least two hours before going for a run. Dose their food according to exertion and give them extra protein and calcium. Make sure they don't lose or put on weight. If they do, ask your vet for advice and correct their food doses.
One last tip: after your run, make sure your dog has no injuries on their feet and no wounds in danger of infection.
Finally, reward your dog after a good run. They deserve it!
Pay attention to your dog's breathing. If they have trouble bringing their heart rate down and are breathless for several minutes, you've probably pushed them too hard.