In UK and Irish racing, the best type of races to bet on can vary depending on your betting approach, experience, and preferences. However, here are a few key factors to consider when selecting races:

1. Handicap Races: Handicap races are a popular choice for many bettors because they offer potentially better odds and a more level playing field. Horses in handicap races are assigned weights based on their ability, which is meant to create a more balanced competition.

2. Grade/Group Races: Grade/Group races are generally considered the highest level of competition in horse racing. These races feature the best horses and often attract the most attention. While the odds may not be as favourable, these races can provide exciting betting opportunities due to the competitive nature of the field.

3. Condition Races: Races that are not handicaps or graded/group races are often referred to as condition races. These can be good options to bet on, especially if you have a good understanding of the form and abilities of the horses involved. In condition races, the horses compete against opponents of similar ability, making it easier to assess their chances.

On the other hand, it’s important to exercise caution when betting on certain types of races:

1. Maiden Races: Maiden races are for horses that have never won a race. They can be unpredictable, as the form and ability of the horses are mostly unknown. It can be difficult to identify a standout horse in these races, making them riskier betting propositions.

2. Selling and Claiming Races: Selling and claiming races involve horses that are for sale. The purpose of these races is to find buyers for the horses. While these races can provide opportunities for value bets, they can also be more unpredictable, as the quality of the field can be inconsistent.

Ultimately, it’s important to thoroughly analyse each race, consider factors such as the form, class, distance, track conditions, and closely follow expert opinions and racing news. Developing a strategy and sticking to it, while maintaining discipline with your betting, can help increase your chances of success in the long run.