The Melbourne Cup has to be one of the hardest to get right. The usual challenges unfold:

• most horses haven't run the distance
• International runners without local form and
• up to 24 horses in the race.

This year there's an additional challenge with the threat of inclement weather due to hit around start time in the Cup.

Sky Racing usually have over 10 tipsters offering their Melbourne Cup tip, but which of them have got the runs on the board in Melbourne?

We checked the Sky Racing tipping leaderboard to reveal all.

Over the past 30 days Brad Davidson has been shooting the lights out with his Melbourne tips. Here are the statistics from his 56 tips posted:

• 38% strike rate which is better than a winner every 3 tips.
• he made 23% profit on turnover (POT) returning $6,900 from $100 win bets.

He's typically known for his NSW form but Gary Harley is making a big statement with his Melbourne tips too. Here are his tip results over the same period.

• 35% strike rate which is also better than a winner every 3 selections.
• 16% POT returning $5,560 from $100 win bets.

If you're looking for someone who has proven their knowledge at Flemington then check-out Jarrod Wessel on the Sky Racing leaderboard. He has posted 44 Flemington tips over the past 90 days and shows the following results:

• 35% POT returning $5,960 from $100 win bets
• the average price of his winners is a juicy $6.62.