Racecast

James O'Sullivan

Palatine (IL) · 12 · MID SUBURBANIL D3A · Compare head to head

Athlete rating 127.5 2026 TF season
Best race 136.7 XC
Races 100
Seasons 7 2020 — 2026

RankedNation #2743·IL #146·IL D3A #105·MID SUBURBAN #13·Team #2 ?

Rating scale ?

Cross Country

2025 XC 130.0

Palatine (IL) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-11-08 Detweiller Park 4828m 14:59.33 69th · 1st on team 132.4 -0.001 SR CSR RSR
2025-10-18 Busse Woods 4828m 15:33.58 16th · 2nd on team 129.5 +0.006 CSR
2025-10-08 Lake Forest High School 3218m 9:44.09 2nd · 2nd on team 128.3 -0.029 ★PR ★CR SR CSR
2025-09-27 Deer Grove East 4828m 15:40.44 41st · 2nd on team 130.3 +0.001 CSR
2025-09-20 Detweiller Park 4828m 15:16.07 64th · 2nd on team 131.1 -0.001 SR CSR
2025-09-16 Busse Woods 4828m 15:50.47 1st · 1st on team 126.9 -0.002 CSR
2025-09-06 Katherine Legge Memorial Park 4828m 15:27.57 10th · 2nd on team 131.4 +0.016 ★CR SR CSR RSR

2024 XC 132.1

Palatine Pack TFCC (IL) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-07-08 Deer Grove East 4828m 15:52.74 2nd · 2nd on team 127.7 +0.001
2024-11-30 Dannehl XC Course, Univ. of Wisconsin Parkside 5000m 16:54.1 101st · 3rd on team 126.4 +0.017 ★CR CSR
2024-11-17 Laverne Gibson Course 5000m 16:02.7 103rd · 3rd on team 133.0 +0.010 ★PR ★CR SR CSR
2024-11-09 Detweiller Park 4828m 14:49 43rd · 3rd on team 136.7 -0.001 ★PR ★CR ★R SR CSR RSR
2024-11-02 Grove 17 4828m 14:50.2 6th · 2nd on team 134.1 -0.016 PR ★CR SR CSR
2024-10-26 Deer Grove East 4828m 15:21.6 6th · 3rd on team 131.8 +0.001
2024-10-19 Busse Woods 4828m 15:01.93 5th · 2nd on team 134.0 -0.002 ★CR CSR
2024-10-01 William Fremd High School 4828m 15:23 6th · 3rd on team 133.2 +0.013 ★CR CSR
2024-09-28 Deer Grove East 4828m 14:54.72 10th · 2nd on team 135.7 +0.001 PR ★CR R SR CSR RSR
2024-09-17 Hoffman Estates High School 4828m 16:05.6 1st · 1st on team 126.8 +0.007 ★CR SR CSR
2024-09-07 Katherine Legge Memorial Park 4667m 14:38 9th · 3rd on team 133.7 +0.015 ★PR ★CR R SR CSR RSR

2023 XC 128.3

Palatine Pack TFCC (IL) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-07-09 Deer Grove Forest Preserve 4828m 16:20.97 6th · 3rd on team 124.3 +0.005
2023-10-28 Busse Woods 4828m 15:48.8 47th · 3rd on team 128.2 -0.002 CR CSR
2023-10-21 Deer Grove Forest Preserve 4828m 15:52.22 13th · 3rd on team 128.0 +0.005
2023-10-14 Busse Woods 4828m 16:09.38 21st · 3rd on team 128.3 +0.006 CR CSR
2023-10-05 Lake Forest High School 3218m 9:57.4 6th · 3rd on team 126.3 -0.029 PR CR SR CSR
2023-09-26 Ron Beese Park 4828m 15:48.29 7th · 3rd on team 130.6 +0.017 ★CR CSR
2023-09-23 Deer Grove Forest Preserve 4828m 15:34.99 28th · 2nd on team 132.2 +0.005 ★CR R CSR RSR
2023-09-16 Detweiller Park 4828m 15:24.3 2nd · 1st on team 128.6 -0.001 PR CR SR CSR
2023-09-02 Katherine Legge Memorial Park 4828m 15:56.4 1st · 1st on team 130.4 +0.016 PR CR R SR CSR RSR
2023-08-29 Willow Stream Park 4828m 16:30.7 1st · 1st on team 126.5 +0.027 ★CR SR CSR RSR

2022 XC 121.5

Palatine Pack TFCC (IL) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-07-13 Deer Grove East 4828m 16:29.3 6th · 5th on team 123.5 +0.001 PR CR SR CSR RSR
2022-11-13 Laverne Gibson Course 5000m 17:39.7 37th · 2nd on team 121.3 +0.010 PR CR SR CSR
2022-10-15 Deer Grove East 4828m 16:39.6 2nd · 1st on team 122.6 +0.001 PR CR SR CSR
2022-10-08 Black Partridge Park 4731m 16:12.3 6th · 1st on team 122.5 -0.001 ★PR ★CR SR CSR
2022-09-27 Deer Grove East 4023m 13:46.6 1st · 1st on team 120.1 -0.008
2022-09-24 Deer Grove East 4023m 13:43.5 9th · 2nd on team 120.3 -0.008 ★PR ★CR SR CSR
2022-09-17 Detweiller Park 4828m 16:45 23rd · 3rd on team 122.2 -0.001 PR CR SR CSR
2022-09-13 Hoover Math And Science Academy 3218m 11:51 1st · 1st on team 117.6 +0.070 PR ★CR SR CSR
2022-09-03 Katherine Legge Memorial Park 3186m 10:43.9 6th · 2nd on team 123.4 +0.017 ★PR ★CR SR CSR RSR

2021 XC 83.0

Palatine Pack TFCC (IL) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2022-07-07 Deer Grove East 4828m 18:48.2 15th · 8th on team 83.0 +0.001 PR CR SR CSR RSR

2020 XC 112.0

Palatine Run Club (IL) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2020-10-11 Katherine Legge Memorial Park 3218m +0.017 PR ★CR SR CSR
2020-10-03 Harvest Christian Academy 2816m 12:39 7th · 2nd on team 112.0 ★PR ★CR R SR CSR RSR

Track & Field

2026 TF 124.7

Palatine (IL) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2026-06-06 2026 Magis Miles 1600m 4:31.98 25th · 2nd on team 123.2 -0.038
2026-06-06 2026 Magis Miles 1mile 4:33.74 25th · 2nd on team 123.2 -0.038
2026-06-06 2026 Magis Miles 1500m 4:14.7 26th · 2nd on team 122.2 -0.038 ★PR SR
2026-05-28 IHSA 3A Boys State Track & Field Championships 800m 1:58.16 38th · 1st on team 126.6 -0.041
2026-05-22 IHSA Class 3A TRB Sectional - #02 Grayslake (Central) 800m 1:57.37 5th · 1st on team 128.6 -0.032 ★PR SR RSR
2026-05-13 Mid-Suburban League Boys Conference Championships 1600m 4:26.69 7th · 2nd on team 126.2 -0.035
2026-05-02 93rd Annual Palatine Relays 3200m 9:50.11 5th · 2nd on team 123.0 -0.040 SR
2026-05-01 58th Annual Wanner Knights’ Invitational 800m 1:58.79 3rd · 1st on team 126.8 -0.034
2026-04-25 Distance Night in Palatine - Presented by Asics 1600m 4:22.5 15th · 1st on team 127.5 -0.040 SR
2026-04-25 Distance Night in Palatine - Presented by Asics 1mile 4:24.24 15th · 1st on team 127.5 -0.040 ★PR SR
2026-04-21 MSL West Boys Division Championship 800m 1:58.24 2nd · 1st on team 127.9 -0.031 PR SR RSR
2026-04-18 Palatine v Fremd Crosstown Dual 1600m 4:40.8 3rd · 2nd on team 120.3 -0.031
2026-04-14 MSL Boys Tri @Palatine 800m 2:02.71 2nd · 2nd on team 122.0 -0.040
2026-04-14 MSL Boys Tri @Palatine 1600m 5:24.01 9th · 4th on team -0.040
2026-03-21 Nagel-Saylor Indoor Invitational 800m 1:59.19 2nd · 1st on team 126.4 -0.047 PR SR RSR
2026-03-06 Stan Reddel Invite 3200m 9:56.16 11th · 2nd on team 121.7 -0.047 SR
2026-02-24 York Boys Quad #2 600m 1:26.59 2nd · 2nd on team -0.047 ★PR SR
2026-02-14 Hononegah Boys Indoor #1 1600m 4:34.01 9th · 2nd on team 122.6 -0.047 SR RSR

2025 TF 123.5

Palatine (IL) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-05-31 IHSA 3A Boys State Track & Field Championships 1600m 4:22.92 30th · 2nd on team 127.3 -0.041
2025-05-22 IHSA Class 3A TRB Sectional - #04 Hoffman Estates (H.S.) 1600m 4:19.55 5th · 2nd on team 129.7 -0.032 ★PR SR RSR
2025-05-14 Mid-Suburban League Boys Championship 1600m 4:37.88 9th · 2nd on team 120.9 -0.035
2025-04-03 Palatine Triangular 800m 2:10.82 8th · 3rd on team 114.5 -0.040 SR
2025-04-03 Palatine Triangular 1600m 4:41.81 4th · 4th on team 118.6 -0.040
2025-03-22 Nagel-Saylor Indoor Invitational 3200m 9:50.2 7th · 2nd on team 122.5 -0.047
2025-03-14 Batavia Distance Madness 1600m 4:25.25 12th · 2nd on team 125.8 -0.052
2025-03-07 Stan Reddel Invitational 1600m 4:22.38 2nd · 1st on team 127.7 -0.047 PR SR RSR
2025-02-25 York Boys Quad #2 600m 1:26.99 3rd · 2nd on team -0.047 PR SR
2025-02-25 York Boys Quad #2 3200m 9:44.3 2nd · 2nd on team 123.7 -0.047 ★PR SR
2025-02-15 Hononegah Boys Indoor Meet #1 1600m 4:29.39 3rd · 2nd on team 124.5 -0.047 PR SR RSR

2024 TF 119.4

Palatine (IL) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-05-17 IHSA Class 3A TRB Sectional - #2 Grayslake (Central) 3200m 10:01.55 10th · 2nd on team 121.5 -0.032
2024-05-03 2024 McCarthy Memorial Invite 1600m 4:29.55 6th · 1st on team 123.7 -0.042 PR SR
2024-04-27 91st Annual Palatine Relays 3200m 10:10.4 12th · 2nd on team 119.2 -0.040
2024-04-23 Prospect v Barrington v Palatine Boys Tri 1600m 4:44.61 1st · 1st on team 118.5 -0.034
2024-04-20 Distance Night in Palatine 2miles 9:47.8 8th · 1st on team 124.0 -0.040 ★PR SR RSR
2024-04-20 Distance Night in Palatine 3200m 9:44.54 8th · 1st on team 123.8 -0.040 PR SR
2024-04-13 Palatine/Fremd Crosstown Classic 3200m 9:52.41 3rd · 2nd on team 123.1 -0.031 PR SR RSR
2024-04-09 Elk Grove v Palatine v Schaumburg Boys Tri 800m 2:14.59 5th · 4th on team 111.7 -0.032
2024-04-09 Elk Grove v Palatine v Schaumburg Boys Tri 3200m 10:48.32 4th · 4th on team 112.3 -0.032
2024-04-09 Elk Grove v Palatine v Schaumburg Boys Tri 1600m 4:50.68 3rd · 3rd on team 115.5 -0.032
2024-03-16 Nagel-Saylor Indoor Invitational 1600m 4:39.2 11th · 2nd on team 120.1 -0.047
2024-03-01 Stan Reddel Invitational 3200m 10:05.42 15th · 2nd on team 119.2 -0.047 SR
2024-02-20 York Boys Quad #2 800m 2:07.03 2nd · 2nd on team 118.7 -0.047 SR
2024-02-10 Hononegah Boys Indoor Meet #1 1600m 4:39.2 3rd · 3rd on team 120.1 -0.047 SR RSR

2023 TF 118.3

Palatine (IL) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-05-17 2023 IHSA Class 3A TRB Sectional - #2 Grayslake (North) 3200m 10:05.38 10th · 2nd on team 121.2 -0.029
2023-05-11 MSL Boys Conference Championship 1600m 4:33.35 1st · 1st on team 122.1 -0.042 PR SR RSR
2023-04-29 Palatine Relays 3200m 9:54.48 6th · 2nd on team 120.9 -0.040 PR SR
2023-04-25 Prospect Boys Triangular 1600m 4:58 10th · 7th on team 112.9 -0.034
2023-04-22 Distance Night in Palatine 1mile 4:40.53 12th · 2nd on team 119.9 -0.040 PR SR
2023-04-22 Distance Night in Palatine 1600m 4:38.83 12th · 2nd on team 119.8 -0.040 PR SR
2023-04-18 MSL West Boys Division Championships 800m 2:06.51 1st · 1st on team 118.9 -0.035 PR SR
2023-04-15 Palatine/Fremd Crosstown Classic 3200m 9:57.48 2nd · 1st on team 121.4 -0.040 PR SR RSR
2023-03-22 Palatine Boys Triangular 1600m 4:47.19 2nd · 1st on team 116.5 -0.040 PR SR
2023-03-18 Nagel-Saylor Indoor Invitational 800m 2:10.34 13th · 2nd on team 115.8 -0.047 PR SR
2023-03-10 Rolling Meadows Boys Frosh/Soph Invitational 1600m 4:49.03 3rd · 1st on team 117.8 -0.022 PR SR RSR
2023-03-07 Palatine @ Oswego East 3200m 10:26.2 5th · 3rd on team 117.2 -0.025 PR SR RSR
2023-02-21 York Boys Quad #2 1600m 4:57 1st · 1st on team 113.0 -0.047 PR SR RSR

2022 TF 123.8

Palatine Sundling (IL) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2022-05-12 District 15 Conference Meet 1600m 5:31.6 2nd · 1st on team 120.1 -0.040 PR SR RSR
2022-05-12 District 15 Conference Meet 800m 2:22.34 3rd · 1st on team 127.4 -0.040 PR R SR RSR

2021 TF 121.1

Palatine Pack TFCC (IL) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2021-05-02 Windy City Series #2 800m 2:27.82 2nd · 1st on team 124.2 -0.033 PR R SR RSR
2021-05-02 Windy City Series #2 1600m 5:42.4 5th · 1st on team 117.9 -0.033 PR SR