Today’s Philly Big 5 wager at Parx has a $417,683 carryover and mandatory payout. The sequence spans Races 8-12 and gets rolling at 3:53 pm ET.

To assist your handicapping, selections provided by the 1/ST BET app measure each contender against the 10 leading factors for each race. The 1/ST BET app looks at 52 handicapping factors and more than 200,000 past races to determine its AI selections.

You can use the automated handicapping factors, or create your own factor filters to incorporate angles you prefer. Full-card selections can be found in the 1/ST BET app.

Parx | Race 8 | maiden claiming

This heat has been moved from turf to dirt and the algorithm has recalibrated with four runners registering in double digits in terms of Win Projections from 1/ST BET. Those include #1 Last Dream (19%), #9 Bointheback (16%), #12 Norlander (14%) and #10 Doctor Magic (12%).

Parx | Race 9 | starter optional claiming

#1 Quick Return (26%) holds a solid edge here in the Win Projections, seven points higher than morning line favorite #3 Geebert (19%) and a dozen higher than #8 Mr. Roundtree (14%). A lean toward the 5-1 top choice could be a separator from the general wagering public.

Parx | Race 10 | allowance optional claiming

The strongest 1/ST BET Win Projection in today’s Philly Big 5 comes here with #1 Hollywood Jet (30%), the 2-1 morning line favorite. He’s 14 points atop any other rival and a logical single by the numbers. Next in line are #5 Smooth B (16%) and #6 Baafeed (15%).

Parx | Race 11 | allowance optional claiming

Nine are entered in the day’s featured race and #3 Doda (27%) is a solid 10-point pick over morning line favorite #5 Exit Right (17%). The top pick at 6-1 morning line certainly intrigues on price in what could be a two-deep ticket situation.

Parx | Race 12 | starter optional claiming

The finale was moved from turf to dirt and scratched down to seven runners as of this posting. The defections have left #10 That’stonyssister (29%) as a major standout in Win Projection. Beyond that is a huge cluster of horses 11-13%, leaving this a single-or-spread situation by the numbers.