| Event | Rank | Mark | By | Meet |
| B-4x100 | 1 | 41.63 | Boys Relay (Evanston Township, IL) (US#100) | IL 3A Boys State Prelims(IL), 2015-05-29(#1) |
| B-4x100 | 2 | 41.78 | Boys Relay (Belleville West, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#2) |
| B-4x100 | 3 | 41.87 | Boys Relay (Edwardsville, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 3 | 41.87 | Boys Relay (Barrington, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#3) |
| B-4x100 | 5 | 41.89 | Boys Relay (East St. Louis-Senior, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 6 | 41.94 | Boys Relay (Galesburg, IL) | IL 2A Boys State Finals(IL), 2015-05-30(#3) |
| | | National Elites above. State Elites below | | |
| B-4x100 | 7 | 42.06 | Boys Relay (Huntley, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#1) |
| B-4x100 | 8 | 42.07 | Boys Relay (Plainfield North, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#1) |
| B-4x100 | 8 | 42.07 | Boys Relay (DeKalb, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#2) |
| B-4x100 | 10 | 42.10 | Boys Relay (Schaumburg, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#1) |
| B-4x100 | 11 | 42.11 | Boys Relay (Minooka Community, IL) | Minooka Boys Invitational(IL), 2015-04-18(#1) |
| B-4x100 | 12 | 42.15 | Boys Relay (Niles North, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#2) |
| B-4x100 | 13 | 42.20 | Boys Relay (Thornton Township, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#1) |
| B-4x100 | 13 | 42.20 | Boys Relay (Plainfield East, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#7) |
| B-4x100 | 15 | 42.22 | Boys Relay (Bartlett, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#9) |
| B-4x100 | 16 | 42.26 | Boys Relay (Bolingbrook, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#11) |
| B-4x100 | 17 | 42.28 | Boys Relay (Proviso West, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 18 | 42.33 | Boys Relay (O'Fallon, IL) | Southwest Boys Conference Meet(IL), 2015-05-13(#3) |
| B-4x100 | 19 | 42.34 | Boys Relay (Collinsville, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#13) |
| B-4x100 | 20 | 42.40 | Boys Relay (Centennial, IL) | IL 2A Boys State Finals(IL), 2015-05-30(#5) |
| B-4x100 | 21 | 42.41 | Boys Relay (Fremd, IL) | Palatine Relays(IL), 2015-05-02(#1) |
| B-4x100 | 22 | 42.46 | Boys Relay (Belleville East, IL) | St. Clair County Boys Championships(IL), 2015-04-28(#4) |
| B-4x100 | 22 | 42.46 | Boys Relay (Homewood-Flossmoor, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#2) |
| B-4x100 | 24 | 42.47 | Boys Relay (Crete-Monee, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#3) |
| B-4x100 | 25 | 42.55 | Boys Relay (Oak Park-River Forest, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 25 | 42.55 | Boys Relay (Geneva, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#17) |
| B-4x100 | 27 | 42.56 | Boys Relay (Wheaton North, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 28 | 42.64 | Boys Relay (Zion-Benton Twnshp, IL) | Wanner Knights Invitational(IL), 2015-05-01(#1) |
| B-4x100 | 28 | 42.64 | Boys Relay (Rock Island, IL) | Western Big Six Boys Conference Meet(IL), 2015-05-15(#1) |
| B-4x100 | 30 | 42.67 | Boys Relay (Bradley-Bourbonnais, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#4) |
| B-4x100 | 31 | 42.70 | Boys Relay (Lockport Township , IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 32 | 42.76 | Boys Relay (Lake Park, IL) | DuPage Valley Boys Conference Meet(IL), 2015-05-15(#2) |
| B-4x100 | 33 | 42.82 | Boys Relay (Glenbard West, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 34 | 42.85 | Boys Relay (Harry D Jacobs, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#2) |
| B-4x100 | 35 | 42.86 | Boys Relay (Downers Grove North, IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 36 | 42.89 | Boys Relay (Riverside-Brookfield, IL) | IL 3A Lyons Township Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 37 | 42.90 | Boys Relay (Bloomington, IL) | Mike Yavorski Hornet Invitational(IL), 2015-05-01(#1) |
| B-4x100 | 38 | 42.94 | Boys Relay (Lane Technical, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 39 | 42.97 | Boys Relay (Wheeling, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#3) |
| B-4x100 | 40 | 42.98 | Boys Relay (Springfield, IL) | Central State Eight Boys Conference Meet(IL), 2015-05-15(#1) |
| B-4x100 | 41 | 42.99 | Boys Relay (Carl Sandburg, IL) | Southwest Suburban Blue Boys Conference Meet(IL), 2015-05-14(#2) |
| B-4x100 | 42 | 43.01 | Boys Relay (Auburn, IL) | NIC-10 Boys Conference Meet(IL), 2015-05-15(#1) |
| B-4x100 | 43 | 43.03 | Boys Relay (Lakes, IL) | North Suburban Boys Conference Meet(IL), 2015-05-14(#1) |
| B-4x100 | 44 | 43.06 | Boys Relay (York Community, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 45 | 43.11 | Boys Relay (Warren Township, IL) | Lake County Boys Championships(IL), 2015-05-09(#2) |
| B-4x100 | 46 | 43.12 | Boys Relay (Prospect, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#3) |
| B-4x100 | 47 | 43.14 | Boys Relay (Lemont, IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 48 | 43.19 | Boys Relay (Metea Valley, IL) | Belleville West Boys Invitational(IL), 2015-04-11(#9) |
| B-4x100 | 49 | 43.20 | Boys Relay (Simeon Career Academy, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#2) |
| B-4x100 | 50 | 43.24 | Boys Relay (Glenwood, IL) | Central State Eight Boys Conference Meet(IL), 2015-05-15(#2) |
| B-4x100 | 51 | 43.26 | Boys Relay (Oswego East, IL) | Southwest Prairie Boys Conference Meet(IL), 2015-05-14(#4) |
| B-4x100 | 52 | 43.32 | Boys Relay (Cary-Grove Community, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#3) |
| B-4x100 | 53 | 43.35 | Boys Relay (Thornton Fractional North, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#5) |
| B-4x100 | 54 | 43.36 | Boys Relay (Brother Rice, IL) | IL 3A Lyons Township Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 55 | 43.38 | Boys Relay (McHenry, IL) | McHenry County Championships(IL), 2015-04-24(#2) |
| B-4x100 | 55 | 43.38 | Boys Relay (Grant Community, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#5) |
| B-4x100 | 57 | 43.39 | Boys Relay (Lake Forest, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#5) |
| B-4x100 | 58 | 43.40 | Boys Relay (Neuqua Valley, IL) | Red Ribbon Classic(IL), 2015-05-02(#3) |
| B-4x100 | 59 | 43.45 | Boys Relay (Lincoln-Way North, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#6) |
| B-4x100 | 60 | 43.47 | Boys Relay (Willowbrook, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#5) |
| B-4x100 | 61 | 43.51 | Boys Relay (South Elgin, IL) | Upstate Eight Boys Conference Meet(IL), 2015-05-14(#2) |
| B-4x100 | 62 | 43.65 | Boys Relay (Maine South, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#4) |
| B-4x100 | 63 | 43.70 | Boys Relay (Batavia, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#5) |
| B-4x100 | 64 | 43.72 | Boys Relay (Adlai E Stevenson, IL) | North Suburban Boys Conference Meet(IL), 2015-05-14(#5) |
| B-4x100 | 65 | 43.75 | Boys Relay (Plainfield South, IL) | Minooka Boys Invitational(IL), 2015-04-18(#3) |
| B-4x100 | 65 | 43.75 | Boys Relay (Shepard, IL) | South Suburban Red Boys Conference Meet(IL), 2015-05-14(#2) |
| B-4x100 | 67 | 43.77 | Boys Relay (Hononegah, IL) | Northern Illinois Invitational(IL), 2015-05-08(#1) |
| B-4x100 | 68 | 43.81 | Boys Relay (Waubonsie Valley, IL) | Red Ribbon Classic(IL), 2015-05-02(#5) |
| B-4x100 | 68 | 43.81 | Boys Relay (Bloom Township, IL) | Schaumburg Mikias Tibebu Invitational(IL), 2015-04-11(#1) |
| B-4x100 | 70 | 43.82 | Boys Relay (Hoffman Estates, IL) | Mid-Suburban League Boys Championships(IL), 2015-05-15(#6) |
| B-4x100 | 71 | 43.93 | Boys Relay (Marist, IL) | Carlin Nalley Invitational(IL), 2015-05-09(#6) |
| B-4x100 | 72 | 43.94 | Boys Relay (Dundee-Crown, IL) | Crystal Lake Central Boys Invitational(IL), 2015-05-01(#1) |
| B-4x100 | 73 | 43.97 | Boys Relay (St. Charles North, IL) | Lyons Township Boys Relays(IL), 2015-04-24(#3) |
| B-4x100 | 74 | 44.04 | Boys Relay (Thornwood, IL) | Southwest Suburban Red Boys Conference Meet(IL), 2015-05-14(#4) |
| B-4x100 | 75 | 44.07 | Boys Relay (Downers Grove South, IL) | WSC-Gold Boys Conference Meet(IL), 2015-05-15(#2) |
| B-4x100 | 76 | 44.10 | Boys Relay (Wheaton-Warrenville South, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#7) |
| B-4x100 | 76 | 44.10 | Boys Relay (St. Charles East, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#6) |
| B-4x100 | 76 | 44.10 | Boys Relay (Lyons Township, IL) | IL 3A Lyons Township Boys Sectional(IL), 2015-05-22(#5) |
| B-4x100 | 79 | 44.11 | Boys Relay (Elgin, IL) | Upstate Eight Boys Conference Meet(IL), 2015-05-14(#6) |
| B-4x100 | 80 | 44.16 | Boys Relay (Loyola Academy, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#5) |
| B-4x100 | 80 | 44.16 | Boys Relay (Quincy, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#7) |
| B-4x100 | 82 | 44.24 | Boys Relay (Guilford, IL) | Tim Holt Invitational(IL), 2015-05-08(#2) |
| B-4x100 | 82 | 44.24 | Boys Relay (Palatine, IL) | Palatine Relays(IL), 2015-05-02(#4) |
| B-4x100 | 84 | 44.25 | Boys Relay (Normal Community West, IL) | Belleville West Boys Invitational(IL), 2015-04-11(#17) |
| B-4x100 | 85 | 44.30 | Boys Relay (Glenbard East, IL) | Mike Yavorski Hornet Invitational(IL), 2015-05-01(#4) |
| B-4x100 | 86 | 44.32 | Boys Relay (John Hersey, IL) | MSL-East Boys Divisional Championship(IL), 2015-04-28(#2) |
| B-4x100 | 86 | 44.32 | Boys Relay (Taft, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 86 | 44.32 | Boys Relay (Yorkville, IL) | Matt Wulf Invitational(IL), 2015-04-17(#2) |
| B-4x100 | 89 | 44.37 | Boys Relay (Naperville Central, IL) | DuPage Valley Boys Conference Meet(IL), 2015-05-15(#4) |
| B-4x100 | 90 | 44.38 | Boys Relay (Glenbard North, IL) | DuPage Valley Boys Conference Meet(IL), 2015-05-15(#1) |
| B-4x100 | 91 | 44.39 | Boys Relay (Crystal Lake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#5) |
| B-4x100 | 92 | 44.40 | Boys Relay (Libertyville, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#6) |
| B-4x100 | 93 | 44.42 | Boys Relay (United Township, IL) | Galesburg Boys ABC Invitational(IL), 2015-04-17(#2) |
| B-4x100 | 94 | 44.46 | Boys Relay (Kenwood Academy, IL) | Lane Tech Intra City Meet(IL), 2015-04-04(#2) |
| B-4x100 | 95 | 44.50 | Boys Relay (Alton, IL) | Granite City Invitational(IL), 2015-04-17(#10) |
| B-4x100 | 96 | 44.53 | Boys Relay (Naperville North, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#3) |
| B-4x100 | 97 | 44.58 | Boys Relay (Oswego, IL) | Roger Wilcox Invitational(IL), 2015-05-01(#1) |
| B-4x100 | 98 | 44.59 | Boys Relay (Deerfield, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#2) |
| B-4x100 | 99 | 44.60 | Boys Relay (Prairie Ridge, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#6) |
| B-4x100 | 100 | 44.62 | Boys Relay (Harlem, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#7) |
| B-4x100 | 101 | 44.66 | Boys Relay (Buffalo Grove, IL) | Mid-Suburban League Boys Championships(IL), 2015-05-15(#2) |
| B-4x100 | 102 | 44.71 | Boys Relay (Joliet Central, IL) | Southwest Suburban Blue Boys Conference Meet(IL), 2015-05-14(#5) |
| B-4x100 | 103 | 44.73 | Boys Relay (Maine West, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#7) |
| B-4x100 | 104 | 44.76 | Boys Relay (Lake Zurich, IL) | North Suburban Boys Conference Meet(IL), 2015-05-14(#7) |
| B-4x100 | 105 | 44.77 | Boys Relay (West Aurora, IL) | Kane County Boys Championships(IL), 2015-05-09(#4) |
| B-4x100 | 106 | 44.78 | Boys Relay (Amos Alonzo Stagg, IL) | Southwest Suburban Blue Boys Conference Meet(IL), 2015-05-14(#6) |
| B-4x100 | 107 | 44.80 | Boys Relay (Rockford East, IL) | NIC-10 Boys Conference Meet(IL), 2015-05-15(#6) |
| B-4x100 | 108 | 44.82 | Boys Relay (Joliet West, IL) | Southwest Suburban Blue Boys Conference Meet(IL), 2015-05-14(#7) |
| B-4x100 | 109 | 44.84 | Boys Relay (Romeoville, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#4) |
| B-4x100 | 109 | 44.84 | Boys Relay (Larkin, IL) | Upstate Eight Boys Conference Meet(IL), 2015-05-14(#10) |
| B-4x100 | 111 | 44.86 | Boys Relay (Belvidere North, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#11) |
| B-4x100 | 112 | 44.87 | Boys Relay (H L Richards, IL) | Terry Englund Relays(IL), 2015-04-23(#4) |
| B-4x100 | 113 | 44.91 | Boys Relay (New Trier Township, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#8) |
| B-4x100 | 114 | 44.92 | Boys Relay (Pekin Community, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#8) |
| B-4x100 | 115 | 44.95 | Boys Relay (Elk Grove, IL) | Prospect Boys Relays(IL), 2015-04-11(#6) |
| B-4x100 | 115 | 44.95 | Boys Relay (Granite City, IL) | Madison County Championships(IL), 2015-04-28(#5) |
| B-4x100 | 117 | 44.98 | Boys Relay (Grayslake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#7) |
| B-4x100 | 117 | 44.98 | Boys Relay (Conant, IL) | MSL-West Boys Divisional Championship(IL), 2015-04-28(#6) |
| B-4x100 | 119 | 44.99 | Boys Relay (Glenbrook North, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#3) |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | See more performances for B-4x100 | | |
