| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 37.40 | Basco, Aiden (2017) (Mount Rainier, WA) (US#35) | WA 4A SPSL Championship(WA), 2015-05-15(#1) |
| B-300H | 2 | 37.63 | Baxter, Mac (2015) (West Valley, WA) (US#61) | WA 2A District 5-6-7 Championships(WA), 2015-05-22(#1) |
| B-300H | 3 | 38.34 | Rouser, Garrett (2015) (Kingston, WA) | Shoreline Invitational(WA), 2015-05-02(#2) |
| | | National Elites above. State Elites below | | |
| B-300H | 4 | 38.40 | Grant, Christapherson (2015) (Meadowdale, WA) | WA 3A NW District 1 Championships(WA), 2015-05-22(#1) |
| B-300H | 5 | 38.57 | Conner, Tanner (2016) (Kentridge, WA) | WA 4A WCD Distict III Championships(WA), 2015-05-23(#2) |
| B-300H | 6 | 38.59 | Anderson, Bryan (2016) (Mead, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#1) |
| B-300H | 7 | 38.74 | Riley, Josh (2016) (Sumner, WA) | WA 3A WCD/SWD District Championships(WA), 2015-05-23(#1) |
| B-300H | 8 | 38.77 | Heitman, Joseph (2018) (Puyallup, WA) | WA 4A WCD Distict III Championships(WA), 2015-05-23(#3) |
| B-300H | 9 | 38.90 | Ziller, Joe (2015) (Kentwood, WA) | WA 4A WCD Distict III Championships(WA), 2015-05-23(#4) |
| B-300H | 10 | 38.97 | Downing, Tristan (2015) (Riverside, WA) | 2nd Annual Riverside Twilight Invitational(WA), 2015-05-01(#1) |
| B-300H | 11 | 38.99 | Golding, Brian (2016) (Goldendale, WA) | WA 1A State Meet(WA), 2015-05-30(#1) |
| B-300H | 12 | 39.05 | Brandt-Sims, Christian (2016) (Wenatchee, WA) | WA 4A State Meet(WA), 2015-05-30(#3) |
| B-300H | 13 | 39.06 | Razo, Steven (2015) (Grandview, WA) | WA 2A District 5-6-7 Championships(WA), 2015-05-22(#2) |
| B-300H | 14 | 39.08 | Herrera, Oscar (2016) (Sequim, WA) | Olympic League Championships(WA), 2015-05-09(#1) |
| B-300H | 15 | 39.20 | Wilson, Dayzell (2015) (Bothell, WA) | WA 4A State Meet(WA), 2015-05-30(#4) |
| B-300H | 16 | 39.21 | Bullo, Nick (2016) (Gov John Rogers, WA) | Emerald Ridge and Puyallup at Rogers(WA), 2015-05-07(#1) |
| B-300H | 17 | 39.25 | Gunther, Ryan (2015) (Camas, WA) | WA 4A State Meet(WA), 2015-05-30(#5) |
| B-300H | 18 | 39.27 | Braverman, Josh (2017) (River Ridge, WA) | WA 2A State Meet(WA), 2015-05-30(#3) |
| B-300H | 19 | 39.35 | Normandia, Reeve (2016) (Todd Beamer, WA) | WA 4A State Meet(WA), 2015-05-30(#7) |
| B-300H | 20 | 39.36 | Harris, Josh (2015) (Lewis & Clark, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#1) |
| B-300H | 21 | 39.40 | Diaz, Chris (2016) (Shorewood, WA) | WA 3A NW District 1 Championships(WA), 2015-05-22(#2) |
| B-300H | 22 | 39.47 | Davis, Austin (2015) (Hanford, WA) | WA 3A State Meet(WA), 2015-05-30(#3) |
| B-300H | 23 | 39.72 | Wells, Matthew (2015) (Emerald Ridge, WA) | WA 4A SPSL Championship(WA), 2015-05-15(#7) |
| B-300H | 24 | 39.76 | Craig, Ben (2016) (Central Valley, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#3) |
| B-300H | 25 | 39.77 | Cooney, Jeremiah (2017) (Gonzaga Prep, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#4) |
| B-300H | 26 | 39.79 | White, Harry (2016) (Meadowdale, WA) | WA 3A NW District 1 Championships(WA), 2015-05-22(#3) |
| B-300H | 27 | 39.81 | Davis, Emmanuel (2015) (Newport, WA) | WESCO/Kingco Bi-District Championships(WA), 2015-05-22(#2) |
| B-300H | 28 | 39.92 | Hafenscher, Brent (2015) (Marysville Getchell, WA) | WESCO 3A North Championships(WA), 2015-05-15(#1) |
| B-300H | 29 | 40.02 | Yon, Heng (2015) (Thomas Jefferson, WA) | WA 4A SPSL Championship(WA), 2015-05-15(#8) |
| B-300H | 30 | 40.09 | Winkler, Connor (2015) (Lake Stevens, WA) | Stanwood Invitational(WA), 2015-05-08(#1) |
| B-300H | 31 | 40.10 | Kutsch, Aidan (2015) (Snohomish, WA) | WESCO/Kingco Bi-District Championships(WA), 2015-05-22(#3) |
| B-300H | 32 | 40.12 | Naluai, Brandon (2015) (Eastlake, WA) | WESCO/Kingco Bi-District Championships(WA), 2015-05-22(#5) |
| B-300H | 33 | 40.13 | Gray, Jared (2016) (Oak Harbor, WA) | WA 3A NW District 1 Championships(WA), 2015-05-22(#5) |
| B-300H | 34 | 40.19 | Sterk, Bryce (2015) (Lynden, WA) | WA 2A NWC Sub-District(WA), 2015-05-15(#1) |
| B-300H | 35 | 40.20 | Dammarell, Thomas (2017) (Mead, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#4) |
| B-300H | 36 | 40.21 | Roy, Dylan (2016) (Henry M. Jackson, WA) | Shoreline Invitational(WA), 2015-05-02(#6) |
| B-300H | 37 | 40.22 | Sampson, Marquis (2017) (Evergreen, WA) | WA 4A GSHL District Championships(WA), 2015-05-19(#2) |
| B-300H | 37 | 40.22 | Brewer, Kelson (2016) (Lakewood, WA) | WA 2A State Meet(WA), 2015-05-30(#5) |
| B-300H | 39 | 40.23 | Johnson, Nick (2016) (Gonzaga Prep, WA) | GSL #1 Gonzaga Prep, North Central at Lewis and Clark(WA), 2015-04-01(#1) |
| B-300H | 39 | 40.23 | Lamey, Jack (2015) (Union, WA) | WA 4A GSHL District Championships(WA), 2015-05-19(#3) |
| B-300H | 41 | 40.26 | Cummings, Cordell (2016) (Arlington, WA) | WESCO 3A North Championships(WA), 2015-05-15(#3) |
| B-300H | 42 | 40.27 | Miskimens, Steven (2015) (Yelm, WA) | 51st Shaner Invitational(WA), 2015-05-08(#2) |
| B-300H | 42 | 40.27 | Messiah, Malik (2016) (Todd Beamer, WA) | WA 4A WCD Distict III Championships(WA), 2015-05-23(#8) |
| B-300H | 42 | 40.27 | Woodley, Jalen (2017) (Inglemoor, WA) | WESCO/Kingco Bi-District Championships(WA), 2015-05-22(#6) |
| B-300H | 45 | 40.32 | Rommel, Donovan (2015) (Peninsula, WA) | WA 3A WCD/SWD District Championships(WA), 2015-05-23(#2) |
| B-300H | 46 | 40.35 | Ehrhard, Lane (2015) (Connell, WA) | WA 1A State Meet(WA), 2015-05-30(#3) |
| B-300H | 47 | 40.41 | Hill, Zarrion (2017) (Lakes, WA) | WA 3A WCD/SWD District Championships(WA), 2015-05-23(#3) |
| B-300H | 48 | 40.45 | Tesfetsion, Dawit (2015) (Nathan Hale, WA) | WA 3A State Meet(WA), 2015-05-30(#7) |
| B-300H | 49 | 40.47 | Blackmon, Willie (2015) (Friday Harbor, WA) | Oregon Relays(OR), 2015-04-18(#10) |
| B-300H | 50 | 40.52 | Solly, Nate (2016) (Liberty-Issaquah, WA) | WA 2A WCD District III Championships(WA), 2015-05-23(#4) |
| B-300H | 51 | 40.56 | Andrews, Jakobie (2015) (Joel E. Ferris, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#5) |
| B-300H | 52 | 40.60 | Elliott, Cass (2018) (West Seattle, WA) | Metro Championships(WA), 2015-05-15(#2) |
| B-300H | 53 | 40.61 | Thompson, Jordan (2015) (Lynden, WA) | WA 2A Northwest District 1 Championships(WA), 2015-05-22(#2) |
| B-300H | 54 | 40.63 | McCombs, Steven (2015) (King's Way Christian, WA) | WA 1A State Meet(WA), 2015-05-30(#3) |
| B-300H | 55 | 40.65 | Konneh, Alan (2016) (Shelton, WA) | WA 3A WCD/SWD District Championships(WA), 2015-05-23(#4) |
| B-300H | 55 | 40.65 | Covington, Jake (2016) (Pasco, WA) | WA 3A/4A GSL Regionals(WA), 2015-05-23(#7) |
| B-300H | 57 | 40.67 | Ruiz, Roman (2016) (Chiawana, WA) | WA 3A/4A MCC District Championships(WA), 2015-05-15(#1) |
| B-300H | 58 | 40.73 | Weathers, Jake (2015) (Auburn Mountainview, WA) | Pasco Invitational(WA), 2015-04-18(#9) |
| B-300H | 58 | 40.73 | Walchenbach, Ben (2015) (Inglemoor, WA) | WESCO/Kingco Bi-District Championships(WA), 2015-05-22(#3) |
| B-300H | 60 | 40.74 | Vega-Harris, Silas (2017) (Henry M. Jackson, WA) | WESCO 4A Championships(WA), 2015-05-15(#2) |
| B-300H | 61 | 40.75 | Guinn, Conner (2015) (Central Valley, WA) | WA 3A/4A GSL Districts(WA), 2015-05-15(#4) |
| B-300H | 61 | 40.75 | Casebier, Nathan (2016) (Juanita, WA) | 3A KingCo Championships(WA), 2015-05-15(#1) |
| B-300H | 63 | 40.77 | Miller, Cody (2017) (Bonney Lake, WA) | WA 3A WCD/SWD District Championships(WA), 2015-05-23(#5) |
| B-300H | 64 | 40.79 | McGuinn, Marcus (2016) (Meridian, WA) | WA 1A State Meet(WA), 2015-05-30(#5) |
| B-300H | 65 | 40.81 | Schmidt, Michael (2016) (Prairie, WA) | WA 3A WCD/SWD District Championships(WA), 2015-05-23(#2) |
| B-300H | 66 | 40.85 | Comstock, Fox (2015) (Olympia, WA) | WA 3A/4A Narrows League Championship(WA), 2015-05-16(#1) |
| B-300H | 67 | 40.89 | Nahal, Sarbjot (2016) (Kentwood, WA) | WA 4A WCD Distict III Championships(WA), 2015-05-23(#10) |
| B-300H | 68 | 40.90 | Barnes, Gavin (2015) (Ephrata, WA) | WA 2A District 5-6-7 Championships(WA), 2015-05-22(#3) |
| B-300H | 69 | 40.94 | Neary, Christian (2016) (Olympic, WA) | WA 2A WCD District III Championships(WA), 2015-05-23(#5) |
| B-300H | 70 | 40.97 | Walker, Seth (2016) (Ellensburg, WA) | WA 2A District 5-6-7 Championships(WA), 2015-05-22(#4) |
| B-300H | 71 | 40.98 | Thol, Ryan (2016) (Evergreen, WA) | 2A/3A SPSL/Seamount Sub District Meet(WA), 2015-05-16(#2) |
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