| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 37.44 | Body, Julian (2016) (Jesuit Portland, OR) (US#38) | OR 6A State Meet(OR), 2015-05-23(#1) |
| | | National Elites above. State Elites below | | |
| B-300H | 2 | 38.59 | Browning, Cricket (2015) (Hillsboro, OR) | Northwest Oregon Conference Championhships(OR), 2015-05-15(#1) |
| B-300H | 3 | 38.63 | Hannan, Zac (2015) (Grants Pass, OR) | OR 6A State Meet(OR), 2015-05-23(#2) |
| B-300H | 4 | 38.80 | Top, Pieter (2016) (Wilsonville, OR) | Northwest Oregon Conference Championhships(OR), 2015-05-15(#2) |
| B-300H | 5 | 38.83 | Evans, David (2015) (Lebanon, OR) | OR 5A State Meet(OR), 2015-05-23(#1) |
| B-300H | 6 | 38.86 | Scanlon, Tanner (2015) (Mcminnville, OR) | OR 6A State Meet(OR), 2015-05-23(#3) |
| B-300H | 7 | 38.90 | Bierly, Robert (2015) (Sandy, OR) | Northwest Oregon Conference Championhships(OR), 2015-05-15(#3) |
| B-300H | 8 | 39.24 | Dotson, Joe (2015) (Siuslaw, OR) | OR 4A State Meet(OR), 2015-05-23(#1) |
| B-300H | 9 | 39.28 | Bracken, Carter (2017) (Lake Oswego, OR) | Three Rivers League Championships(OR), 2015-05-15(#1) |
| B-300H | 10 | 39.29 | Gross, Shakur (2015) (David Douglas, OR) | David Douglas and Barlow at Reynolds(OR), 2015-04-08(#1) |
| B-300H | 11 | 39.41 | Castle, Dylan (2016) (Henley, OR) | OR 4A State Meet(OR), 2015-05-23(#2) |
| B-300H | 12 | 39.47 | Prunty, Tysen (2015) (Tigard, OR) | Three Rivers League Championships(OR), 2015-05-15(#2) |
| B-300H | 13 | 39.48 | Andres, Seth (2016) (Henley, OR) | Skyline League Championships(OR), 2015-05-15(#1) |
| B-300H | 14 | 39.50 | Hoffmann, Caleb (2016) (Bend, OR) | OR 5A State Meet(OR), 2015-05-23(#2) |
| B-300H | 15 | 39.54 | Top, Pieter (2016) (Gervais, OR) | Willamette Falls Invitational(OR), 2015-04-11(#1) |
| B-300H | 16 | 39.63 | Shurtliff, Grant (2015) (Thurston, OR) | Crater Rotary Classic(OR), 2015-04-18(#1) |
| B-300H | 17 | 39.66 | Eichelkraut, Trevor (2015) (Henley, OR) | OR 4A State Meet(OR), 2015-05-23(#1) |
| B-300H | 18 | 39.68 | Seyl, Michael (2015) (Crook County, OR) | OR 4A State Meet(OR), 2015-05-23(#3) |
| B-300H | 19 | 39.77 | Gamza, Andrey (2016) (David Douglas, OR) | Mt. Hood Conference Championships(OR), 2015-05-13(#2) |
| B-300H | 20 | 39.80 | Bonat, Nick (2015) (Liberty, OR) | Hillsboro, Parkrose at Liberty(OR), 2015-04-22(#2) |
| B-300H | 21 | 39.85 | Martin, Daylon (2015) (Sam Barlow, OR) | Mt. Hood Conference Championships(OR), 2015-05-13(#3) |
| B-300H | 22 | 39.97 | White, Damen (2015) (Jefferson, OR) | PIL District Meet(OR), 2015-05-14(#1) |
| B-300H | 23 | 40.01 | Yale, Brian (2015) (Southridge, OR) | WA 3A State Meet(WA), 2015-05-30(#4) |
| B-300H | 24 | 40.07 | Gattey, Quin (2015) (Portland Lincoln, OR) | PIL District Meet(OR), 2015-05-14(#2) |
| B-300H | 25 | 40.14 | Czysz, Enzo (2016) (Jesuit Portland, OR) | Metro League Championships(OR), 2015-05-15(#2) |
| B-300H | 26 | 40.16 | Hargett, Dalen (2015) (Newport, OR) | Centennial Invitational(OR), 2015-04-25(#1) |
| B-300H | 27 | 40.19 | Wilcox, Dantly (2015) (Mountain View, OR) | Crater Rotary Classic(OR), 2015-04-18(#2) |
| B-300H | 28 | 40.26 | Graham, Shaine (2015) (Brookings-Harbor, OR) | Far West League Championhships(OR), 2015-05-16(#1) |
| B-300H | 29 | 40.33 | Shira, Reagan (2016) (Adrian, OR) | OR 1A State Meet(OR), 2015-05-22(#1) |
| B-300H | 30 | 40.34 | Seib, Malachi (2016) (Tualatin, OR) | Three Rivers League Championships(OR), 2015-05-15(#3) |
| B-300H | 31 | 40.35 | Alteneder, Cole (2018) (Newberg, OR) | Three Rivers League Championships(OR), 2015-05-15(#4) |
| B-300H | 32 | 40.36 | Flierl, Eric (2015) (Sweet Home, OR) | Sky-Em League Championships(OR), 2015-05-16(#1) |
| B-300H | 33 | 40.39 | Warne, Tristin (2015) (Mcloughlin, OR) | Don Holder Relays(WA), 2015-03-28(#2) |
| B-300H | 34 | 40.40 | Comyford, Hunter (2017) (North Valley, OR) | Wally Ciochetti Invitational(OR), 2015-05-09(#5) |
| B-300H | 35 | 40.45 | Stallcup, Tristan (2015) (West Linn, OR) | West Linn at Tigard(OR), 2015-04-29(#1) |
| B-300H | 36 | 40.53 | Kounovsky, Sean (2015) (Creswell, OR) | OR 3A State Meet(OR), 2015-05-22(#1) |
| B-300H | 37 | 40.56 | Scheetz, Steven (2016) (Tillamook, OR) | OR 4A State Meet(OR), 2015-05-23(#5) |
| B-300H | 38 | 40.60 | Boykin, Nicholas (2016) (Elmira, OR) | OR 4A State Meet(OR), 2015-05-23(#6) |
| B-300H | 39 | 40.68 | Strassheim, Sant (2015) (The Dalles, OR) | Columbia River Conference Championships(OR), 2015-05-15(#1) |
| B-300H | 40 | 40.69 | Harrah, Dustin (2015) (Grants Pass, OR) | Southwest Conference Championships(OR), 2015-05-16(#2) |
| B-300H | 41 | 40.70 | Carey, Joseph (2016) (South Salem, OR) | Greater Valley Conference Championships(OR), 2015-05-15(#2) |
| B-300H | 41 | 40.70 | Lathrop, Kaden (2015) (Enterprise, OR) | OR 2A State Meet(OR), 2015-05-22(#1) |
| B-300H | 43 | 40.73 | Dean, Anton (2015) (Hillsboro, OR) | Northwest Oregon Conference Championhships(OR), 2015-05-15(#5) |
| B-300H | 44 | 40.79 | Roseberry, Edgar (2015) (Franklin, OR) | PIL District Meet(OR), 2015-05-14(#3) |
| B-300H | 45 | 40.87 | Rodriguez, Adrian (2018) (Century, OR) | Metro League Championships(OR), 2015-05-15(#3) |
| B-300H | 46 | 40.92 | Droste, Jan (2015) (Beaverton, OR) | Metro League Championships(OR), 2015-05-15(#4) |
| B-300H | 47 | 40.94 | Bullock, Sam (2016) (Wilsonville, OR) | Northwest Oregon Conference Championhships(OR), 2015-05-15(#6) |
| B-300H | 48 | 40.95 | Richey, Camdon (2017) (North Marion, OR) | Oregon West Conference(OR), 2015-05-16(#2) |
| B-300H | 49 | 40.98 | Atkinson, Levi (2015) (Crescent Valley, OR) | Mid-Willamette Championships(OR), 2015-05-14(#2) |
| B-300H | 50 | 40.99 | Korth, Austin (2016) (Marist, OR) | OR 5A State Meet(OR), 2015-05-23(#6) |
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| | | See more performances for B-300H | | |
