Mario Arriaga — Trainer Profile, Recent Winners, Upcoming Runners & Stats
⏱ Upcoming runners — Sunday 20 September 2026
⏱ Upcoming runners — Tuesday 22 September 2026
★ Recent runners — last 14 days
Recent runners matched by name across the last 14 days of NA results. Some entries at smaller tracks may be missing or shared with same-surname trainers.
Betting Guides — How the Payouts Work
Fresh from the results? Get sharper for the next card with our beginner-to-intermediate horse-racing guides.
Superfecta Bet Explained
Top four finishers in order. High risk, high reward — how to build a 10-cent superfecta ticket that fits your bankroll.
Read guide →How to Read a Racing Program
Class, distance, surface, workouts — the codes on your program deciphered line by line.
Read guide →Trifecta Explained — Straight, Boxed, Keyed
Three horses in the right order, and the bankrolls that come with it. Box vs key: which ticket structure fits which race.
Read guide →How to Read Past Performances
The DRF past-performance line contains everything you need to handicap — if you know how to read every column.
Read guide →Fixed-Odds Racing Explained
Some US operators now offer fixed odds on select races. When to lock in the price and when to trust the tote.
Read guide →Pick 6: The Life-Changing Bet
Six winners in a row for a shot at track carryover. High variance, life-changing payouts — and how to build a sensible ticket.
Read guide →More than 70 guides in our library — from parimutuel basics to advanced multi-race ticket construction. Browse all horse.bet betting guides →
Handicappers’ Toolkit
Free calculators and model picks the horse.bet team uses ourselves.
Bet Predictor
Our composite rating model surfaces top picks for every US race today — morning-line position, trainer/jockey tier and equipment signals combined.
Get today’s picks →Bet Calculator
Work out the payout on any wager type — win/place/show, exacta, trifecta, Pick 4/5/6 — before you print the ticket.
Open calculator →Odds Converter
Flip between fractional (8-1), decimal (9.00), and American (+800) instantly — and see the implied win probability behind each price.
Convert odds →See the full Horse.Bet handicappers’ tools hub for more calculators and racing utilities.