Field at time posted here from equibase.com
Belmont Park STAKES
Purse $1,500,000. For Three Year Olds. By subscription of $600 each, to accompany the nomination, if made on or before January 20, 2018, or $6,000, if made on or before March 19, 2018. At any time prior to the closing time of entries, horses may be nominated to The Belmont Stakes upon payment of a supplementary fee of $50,000 to the New York Racing Association, Inc. $15,000 to pass the entry box and $15,000 additional to start. All entrants will be required to pay entry and starting fees; but no fees, supplemental or otherwise shall be added to the purse. The purse to be divided $800,000 to the winner, $280,000 to second, $150,000 to third, $100,000 to fourth, $60,000 to fifth, $45,000 to sixth, $35,000 to seventh and $30,000 to eighth. Colts and Geldings, 126 Lbs.; Fillies, 121 Lbs. The winning owner will be presented with the August Belmont Memorial Cup to be retained for one year as well as a trophy for permanent possession and trophies to the winning trainer and jockey. One And One Half Miles.
1 Justify (KY) 3/C L M E Smith 126 B Baffert 4/5
2 Free Drop Billy (KY) 3/C L R Albarado 126 D L Romans 30/1
3 Bravazo (KY) 3/C L L Saez 126 D W Lukas 8/1
4 Hofburg (KY) 3/C L I Ortiz, Jr. 126 W I Mott 9/2
5 Restoring Hope (KY) 3/C L F Geroux 126 B Baffert 30/1
6 Gronkowski (KY) 3/C L1 J L Ortiz 126 C C Brown 12/1
7 Tenfold (KY) 3/C L R Santana, Jr. 126 S M Asmussen 12/1
8 Vino Rosso (KY) 3/C L J R Velazquez 126 T A Pletcher 8/1
9 Noble Indy (KY) 3/C L J Castellano 126 T A Pletcher 30/1
10 Blended Citizen (KY) 3/C L K Frey 126 D F O'Neill 15/1
The 'Run-Up' for the 2017 race was 84 feet. (the distance to the 12f timing point) . Assuming the barriers for 2018 are set in the same place the horses will travel 12f and 84 feet or almost 2440m. in total.