Ironmasters Challenge 50K Aid Stations Aid Station Section Total Cutoff Miles Miles Time First Aid Stop (FS) 2.4 2.4 Water Stop 1 (WS1) 1.3 3.7 Check Point 1 (CP1) 4.7 8.4 Water Stop 2 (WS2) 4.2 12.6 Check Point 2 (CP2) 6.8 19.4 1:45 PM Water Stop 3 (WS3) 3.9 23.3 Check Point 3 (CP3) 5.0 28.3 4:30 PM Fi nish (Sta rt/End) 3.2 3 1.5 Ironmasters Cha llenge 50K Ultra (202 3 ) FS