Mainichi Okan 2026 Betting Odds & Entries (Japan G2 1800m)

The Mainichi Okan 2026 will be held at Tokyo Racecourse in Japan on October 4, 2026. The Grade 2 race is contested over 1,800 meters on turf and is open to three-year-olds and older horses. With a first prize of ¥67 million, the race is one of the key autumn events for horses targeting major middle-distance and mile races later in the season.

Race Overview

Why International Bettors Follow the Mainichi Okan

The Mainichi Okan is one of Japan’s long-established Grade 2 races over 1,800 meters. Its position on the autumn calendar makes it an important stepping-stone for horses aiming at major races such as the Tenno Sho (Autumn) and the Mile Championship.

The 2026 edition has attracted 18 registered horses, including Realize Sirius, runner-up in the Satsuki Sho (Japanese 2000 Guineas), Reichs Adler, third in the same race, and last year’s Mainichi Okan place-getters Ho O Biscuits and Satono Shining. The 2026 field also includes established Group-race performers such as Elton Barows, Seiundo Hardes and Danon Ayers Rock. The official JRA race conditions specify a maximum field of 18 runners.

Betting Odds (Race Day)

The Mainichi Okan is a Japanese domestic Grade 2 race, so betting odds are generally finalized close to race day. This page does not use JRA or Japanese racing-site prediction odds. International bookmaker odds will be added when reliable overseas betting information is available.

Last updated: September 30, 2026

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Mainichi Okan 2025

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