MileSplit Staff Apr 16, 2026 PRO See the rest of this article Access the complete article with MileSplit PRO. Subscribe to keep reading Already a subscriber? Log in. Ranking the top upperclassman Boys 300m Hurdles performers in New Hampshire during the 2026 Outdoor Season. 300 Meter Hurdles Rank Time Athlete/Team Class Meet / Date 1 40.47 Joseph Marcotte Alvirne High School 2026 Pelham Invitational Apr 11, 2026 2 41.87 Brogan Grzybowski Coe Brown Academy 2027 Pelham Invitational Apr 11, 2026 3 42.92 Daniel Calderon-Rios Lebanon High School 2027 Pelham Invitational Apr 11, 2026 4 43.29 Collin Moore Phillips Exeter Academy 2026 Seacoast Scramble Apr 11, 2026 5 43.83 Preston Bois Nashua South High School ...