Racecast

Sean O'Sullivan

Chicago (Marist) (IL) · 11 · EAST SUBURBAN CATHOLIC XCIL D3A · Compare head to head

Athlete rating 108.5 2026 TF season
Best race 114.3 XC
Races 54
Seasons 4 2023 — 2026

RankedNation #71002·IL #3860·IL D3A #2609·EAST SUBURBAN CATHOLIC XC #53·Team #13 ?

Speed rating — all races

Cross Country

XC speed rating

2025 XC 108.5

Chicago (Marist) (IL) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-10-25 Bedford Park 4828m 19:38.1 74th · 7th on team 100.4 +0.006 ★CR CSR
2025-10-18 Settler's Hill CC Course 4828m 17:13 12th · 2nd on team 113.7 -0.000 ★CR CSR
2025-10-11 Rich Township High School (FAC) 4828m 17:16.33 20th · 2nd on team 111.6 -0.017 ★CR CSR
2025-10-04 Marquette Park 4828m 17:10.6 29th · 2nd on team 114.3 -0.010 ★CR ★R CSR RSR
2025-09-20 Detweiller Park 4828m 16:57.16 46th · 1st on team 114.1 -0.009 ★PR ★CR R SR CSR RSR
2025-09-13 Horner Park 4828m 20:30.73 174th · 7th on team 95.4 +0.007 SR CSR
2025-09-06 Lyons Township High School South Campus 5000m 18:14.92 111th · 3rd on team 110.1 -0.007 ★PR ★CR SR CSR RSR

2024 XC 110.0

Chicago (Marist) (IL) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-11-02 Katherine Legge Memorial Park 4667m 16:56.1 126th · 5th on team 111.8 +0.003 ★PR ★CR SR CSR
2024-10-26 Katherine Legge Memorial Park 4667m 17:15.2 47th · 7th on team 110.3 +0.003 PR CR SR CSR
2024-10-19 Settler's Hill CC Course 4828m 17:31.1 27th · 6th on team 112.6 -0.000 PR CR R SR CSR RSR
2024-10-12 Rich Township High School (FAC) 4828m 17:43.1 5th · 1st on team 109.3 -0.017 CR CSR
2024-10-05 Niles West High School 4828m 17:34.8 22nd · 1st on team 112.5 -0.000 PR ★CR R SR CSR RSR
2024-09-28 Midlothian Meadows 4828m 18:38.3 43rd · 9th on team 105.4 +0.003 ★CR CSR
2024-09-14 Horner Park 4828m 18:05.64 11th · 1st on team 110.7 +0.007 PR ★CR R SR CSR RSR
2024-09-07 Lyons Township High School South Campus 5000m 18:47.76 44th · 1st on team 107.3 -0.007 PR CR R SR CSR RSR

2023 XC 101.3

Chicago (Marist) (IL) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-10-28 Katherine Legge Memorial Park 4828m 19:34.2 136th · 6th on team 101.9 +0.004 ★CR CSR
2023-10-14 Lewis University 4795m 18:40 15th · 1st on team 105.9 -0.003 ★PR ★CR R SR CSR RSR
2023-10-07 Governors State University 4828m 19:29.1 21st · 3rd on team 102.8 +0.013 ★CR R CSR RSR
2023-09-23 Midlothian Meadows 4828m 20:59.4 52nd · 5th on team 95.2 +0.003 CR CSR
2023-09-16 Detweiller Park 4828m 18:55.4 508th · 9th on team 101.2 -0.009 PR CR SR CSR
2023-09-09 Horner Park 4828m 19:34.4 59th · 1st on team 101.6 +0.007 PR CR R SR CSR RSR
2023-09-02 Lyons Township High School South Campus 3400m 14:13.8 38th · 3rd on team 100.6 +0.054 ★PR ★CR R SR CSR RSR

Track & Field

TF speed rating

2026 TF 106.6

Chicago (Marist) (IL) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2026-05-21 IHSA Class 3A TRB Sectional - #06 LaGrange (Lyons) 3200m 11:33 13th · 2nd on team 105.2 -0.037
2026-03-14 Hononegah Boys AAA Indoor Classic 3200m 11:21.09 25th · 2nd on team 107.9 -0.036 SR
2026-02-28 2026 ICOPS Invitational 1600m 5:21.09 40th · 2nd on team 105.5 -0.040 SR
2026-02-21 The CIRCUIT Chicago 2miles 11:14.26 17th · 2nd on team 110.8 -0.040 ★PR SR RSR
2026-02-17 Lincoln Way East Boys Quad 1600m 5:29.2 4th · 3rd on team 104.7 -0.011 SR
2026-02-07 Evanston Boys Invitational 3200m 11:45.48 7th · 1st on team 105.7 -0.015 SR RSR

2025 TF 106.5

Chicago (Marist) (IL) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-05-22 IHSA Class 3A TRB Sectional - #06 LaGrange (Lyons) 3200m 10:56.6 15th · 2nd on team 110.5 -0.037 ★PR SR
2025-05-13 ESCC Boys Conference 3200m 11:10.81 2nd · 1st on team 110.2 -0.018
2025-05-09 St Ignatius Boys Friday Night Lights 1600m 5:16.13 47th · 3rd on team 107.1 -0.027 ★PR SR
2025-04-30 Evergreen Park Frosh/Soph Invite 3200m 11:08.24 2nd · 2nd on team 110.1 -0.017
2025-04-23 Marist Boys Invite 800m 2:27.72 10th · 3rd on team 103.5 -0.015
2025-04-23 Marist Boys Invite 1600m 5:23.87 9th · 7th on team 105.4 -0.015
2025-04-16 St Ignatius Boys Wolfpack #2 1600m 5:17.91 15th · 4th on team 106.1 -0.027 PR SR
2025-04-12 2025 Stagg Varsity Co-Ed Invitational 3200m 10:59.63 7th · 1st on team 111.9 -0.018 PR SR RSR
2025-04-05 Jon Gordon Invitational 800m 2:25.21 8th · 7th on team 105.5 -0.015 ★PR SR
2025-04-05 Jon Gordon Invitational 1600m 5:26.47 10th · 4th on team 104.7 -0.015 PR SR
2025-03-22 2025 ESCC Indoor Conference 3200m 11:16.94 6th · 1st on team 107.7 -0.040
2025-03-18 Joliet Central Boys Frosh Soph Invitational 800m 2:33.1 8th · 1st on team 100.6 -0.012 PR SR
2025-03-15 Hononegah Indoor Classic (AAA) (Boys Only) 3200m 11:11.83 20th · 1st on team 108.9 -0.036 PR SR RSR
2025-03-01 2025 ICOPS Invitational 3200m 11:34.4 22nd · 3rd on team 105.0 -0.040
2025-02-21 Midway Miles #3 1600m 5:32.99 16th · 5th on team 102.1 -0.035 PR SR
2025-02-14 Midway Miles #2 3200m 11:23.29 4th · 2nd on team 107.3 -0.035 PR SR RSR
2025-02-08 Evanston boys vs. Brother Rice, Loyola, Marist 1600m 5:33.11 3rd · 1st on team 103.7 -0.008 PR SR RSR

2024 TF 98.9

Chicago (Marist) (IL) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-05-08 ESCC Boys Championships 3200m 11:54.22 5th · 2nd on team 103.8 -0.018 PR SR RSR
2024-04-27 Deerfield Invitational 3200m 12:07.97 15th · 1st on team 101.7 -0.026
2024-04-16 Jon Gordon Invite Rescheduled 1600m 5:49.4 11th · 4th on team 98.4 -0.015
2024-03-12 Joliet Central Boys Frosh Soph Invitational 3200m 11:56.21 5th · 1st on team 103.7 -0.012 PR SR RSR
2024-02-23 Midway Miles 2 3200m 12:08.37 4th · 1st on team 100.5 -0.035 PR SR
2024-02-21 Lincoln Way East Boys Quad 800m 2:56.93 23rd · 11th on team 87.3 -0.011 PR SR
2024-02-18 Illinois Meet of Champions 1600m 5:44.85 29th · 2nd on team 97.2 -0.040 PR SR
2024-02-03 Evanston Boys Invite #1 3200m 12:15.47 3rd · 1st on team 100.8 -0.015 PR SR RSR
2024-02-03 Evanston Boys Invite #1 1600m 5:53.44 7th · 4th on team 97.1 -0.015 PR SR