PitByNumbers: NASCAR Betting Intelligence

PitByNumbers publishes a free NASCAR bet card every Cup Series race week, graded in public after every race, plus driver background checks, live odds boards, practice reads and loop-data articles for bettors who want the edge the market has not priced in yet.

What PitByNumbers is

PitByNumbers is a NASCAR betting research site run by Jason Caroluzzi. Every week it publishes a bet card of six to ten plays with units and prices, a Driver Background Check on every car in the field, an odds board across the major sportsbooks, and articles built from NASCAR loop data: average running position, laps led, top-15 lap share and driver rating. Every bet is graded publicly at The Receipts, win or lose.

2026 season, graded in public

Through the most recent race the 2026 bet card record is 53-177, +$4,834 at $100 per unit, a +16% return on units staked. Every bet, win or lose, is listed at The Receipts: Every Bet, Win or Lose.

This week: Freeway Insurance 500 at Phoenix Raceway

• This week's free bet card
• Driver Background Checks
• Odds board
• Stats Explorer

Latest from PitByNumbers

• What Cup Practice Told Us About The Freeway Insurance 500: Ryan Blaney won the pole going for a third straight Phoenix win. Christopher Bell was the best car on the long run and starts fifth.
• Everything That Hit a Microphone at Phoenix: What all 37 Cup drivers said Saturday at Phoenix. Eighteen spoke, one reached the air through his radio, eighteen said nothing.
• What O'Reilly Practice Told Us About The Timberland PRO 200: Jesse Love flat-spotted one tire, cut another, ran 20 laps, then won the pole. Brent Crews topped every practice column and starts eighth.
• What Truck Practice Told Us About The Zero Carbon Bioethanol 150: The points leader was fastest. His closest chaser never ran more than eight laps in a row.
• Money Buys the Seat. It Doesn't Buy the Speed.: Hamlin says 80% of O'Reilly drivers pay to drive. We traced the sponsors and family money behind 10 rides and checked what each one bought on track.
• 5 Top 10 Bets We Like at Phoenix: Five Top 10 bets for the Freeway Insurance 500 at Phoenix: Byron -122, Berry +150, Hocevar +178, Buescher +185, McDowell +600, each with his track file.
• The Bullshit Meter: Charlotte: What drivers said after the Bank of America 400, held up against what their car actually did in the lap data. Hamlin, Bell, Larson and Blaney, scored 0 to 10.
• 10 Phoenix Race Facts Nobody Else Has: Larson has beaten Blaney once in nine Phoenix races. It took a blown engine. Nine more facts like it, each with a bet inside.

All articles