All to play for: where the jumps trainers' championship will be won and lost

Dan Skelton had an excellent Aintree, adding £246,493 to his prize-money total for three days' work. The only issue for the title race leader is Willie Mullins had an even better few days, netting a staggering £1,487,994.

It has spun the title race on its head. Skelton still leads, but by just £122,026 and has gone from 1-10 to 9-4, while Mullins has been cut from 12-1 into 4-7 favourite. It is a two-horse race with three weeks remaining. Skelton will be throwing absolutely everything at it while Mullins is sure to target Britain's biggest pots. Here is where the title race will be won and lost

Willie Mullins preparing Ayr army with 11 left in Scottish Grand National and 40 entries across Saturday's card

April 11 and 12: Ayr (more than £650,000 up for grabs)

Patrick Mullins ended his post-Aintree press conference by saying "load up the lorry for Ayr" and it is clear the yard will be mob-handed on the Saturday.

The Friday is advantage Skelton, who has eight entries to Mullins' zero, with three in the £50,000 Hillhouse Quarry Handicap Chase and Nurse Susan entered in the £30,000 Coral Handicap Hurdle.

But the Saturday features the £100,000 Coral Scottish Champion Hurdle, in which Mullins has seven entered – market leaders Kargese and Absurde are supported by Ethical Diamond, Bunting, Lot Of Joy, Batman Girac and Karafon – to Skelton's one, Valgrand.

Last year Mullins saddled Bialystok to finish second and collect £21,200, while the Skelton-trained 11-4 favourite L'Eau Du Sud could finish only fifth for £2,660.

Surrey Quest (right) was beaten a nose by Macdermott in the Scottish Grand National

Macdermott (green) won last year's Scottish Grand National for Willie Mullins by a noseCredit: John Grossick (racingpost.com/photos)

It's even more extreme in the £200,000 Coral Scottish Grand National, with Mullins responsible for 11 entries to Skelton's three.

For Mullins High Class Hero, Loughlynn, Olympic Man, Macdermott, Captain Cody, O'Moore Park, Chosen Witness, Spanish Harlem, A Penny A Hundred and Judicieuse Allen are all guaranteed to make the final field of 30, should he wish to run them, while Klarc Kent (31) only needs one above him in the weights to come out in order to make the cut.

Skelton's Sail Away, Theformismighty and Snipe (54) are all guaranteed a run.

Last year Mullins had a 1-4-5-6 to pick up £131,120 in the race while Skelton saddled the seventh for £1,320.

There is a further £200,000 up for grabs on the undercard, with Mullins responsible for 40 entries across Saturday's card compared to Skelton's 16.

Big pots in between: Cheltenham, Plumpton and Perth

Cheltenham's two-day meeting on April 16 and 17 is headlined by the £70,000 Matt Hampson Foundation Silver Trophy Handicap Chase and features an additional £395,000 in prize-money across the other 13 races. It could represent a good opportunity for Skelton as Mullins ran just one horse across last year's fixture.

Plumpton's Easter fixture on April 20 and 21 is another at which Skelton can potentially eke out more money as Mullins has only ever had one runner at the track, but given the meeting features the £75,000 BetGoodwin Sussex Champion Handicap Hurdle and £100,000 Bob Champion Cancer Trust Sussex Champion Handicap Chase – plus over £275,000 on the undercard – expect Mullins to get more involved.

Perth's three-day festival may not have the same standout pots as the others, but collectively there will be over £300,000 up for grabs and it is a meeting Mullins showed more interest in last year – with a winner, three seconds, a third and a fourth.

April 26: the final day at Sandown (£685,000 on offer)

The last Grade 1 of the British season comes on the final day at Sandown, with the Celebration Chase over two miles worth £175,000.

Energumene, Aintree runners El Fabiolo, Impaire Et Passe and Gaelic Warrior, and potentially something more leftfield like Majborough or Fact To File could be potential runners for Mullins. Skelton's options look to be Unexpected Party and L'Eau Du Sud. Mullins' El Fabiolo was second last year for £36,784, while Skelton picked up £5,011 for Nube Negra finishing fifth.

Minella Cocooner: price could shorten before the National

Minella Cocooner in the winner's enclosure after the bet365 Gold Cup Credit: Edward Whitaker

It is not the only race on the card worth that much, however, as the Bet365 Gold Cup matches that prize-money. Mullins had the first, third (with a certain Nick Rockett) and eighth last year for £114,274 against £1,122 for Skelton back in seventh.

The bet365-backed Novices' Championship Final Handicap Hurdle (£100,000) is likely to favour Skelton, given it is unlikely Mullins has got many qualified, while the £80,000 Oaksey Chase and Select Hurdle – Skelton's Langer Dan split the Mullins pair of Impaire Et Passe and Sir Gerhard last year – could also have a say. The final two races are also worth a combined £75,000 if it really does end up going down to the wire.

Having the lead three weeks out means Skelton has two bites at every race. He can of course win them himself and extend his lead or, if not, hope anyone other than Mullins does the business. Mullins, on the other hand, simply has to win – but he has plenty of opportunities to do just that.

Patrick Mullins exclusive

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Read more on the title race here . . .

Willie Mullins lays down title gauntlet: 'We'll see you at Ayr, Perth, and as many meetings here between now and Sandown'

'I knew how hard it was going to be to resist Willie last season - but if we get beat this year it will feel very different'