Racecast

Joseph Duncan

GRTC Peregrines ms (MI) · 8 · MIHS · Compare head to head

Athlete rating 133.8 2026 TF season
Best race 135.1 TF
Races 80
Seasons 4 2023 — 2026

RankedNation #1562·MI #98·Team #5 ?

Rating scale ?
Speed rating — all races

Cross Country

XC speed rating

2025 XC 126.5

GRTC Peregrines ms (MI) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-10-25 Allendale HS 5000m 18:43.6 50th · 3rd on team 123.9 -0.016 ★PR ★CR SR CSR
2025-10-18 GRPS Northeast Campus 3218m 11:44.3 10th · 2nd on team 126.7 -0.004 ★CR CSR
2025-10-08 Riverside Park 3218m 11:27.1 5th · 2nd on team 132.0 +0.004 ★PR ★CR R SR CSR RSR
2025-10-04 Allegan County Fairgrounds 3218m 11:54.08 5th · 3rd on team 123.4 -0.025 ★CR CSR
2025-09-27 Allendale HS 3218m 11:44.8 7th · 3rd on team 129.1 +0.006 PR ★CR SR CSR
2025-09-20 Calvin College - Gainey Athletic Complex 3200m 11:38.3 19th · 3rd on team 130.6 +0.028 ★PR ★CR R SR CSR RSR
2025-09-13 Fruit Ridge Hayrides 2500m 8:58.3 3rd · 3rd on team 126.8 +0.010 ★PR ★CR R SR CSR RSR
2025-09-03 Riverside Park 3218m 12:00.9 7th · 4th on team 123.6 +0.004 PR CR R SR CSR RSR
2025-08-27 Saranac HS 3218m 12:26.5 5th · 4th on team 122.1 +0.025 ★CR SR CSR RSR

2024 XC 117.1

GRTC Peregrines ms (MI) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-11-02 The Hermitage 3218m 12:25 53rd · 6th on team 119.3 -0.012 ★CR CSR
2024-10-26 Allendale HS 5000m 20:18.5 100th · 6th on team 115.6 -0.016 PR CR SR CSR
2024-10-19 GRPS Northeast Campus 3218m 12:29.1 30th · 6th on team 118.8 -0.004 CR CSR
2024-10-09 Riverside Park 3218m 12:12.5 11th · 6th on team 123.3 +0.004 PR CR R SR CSR RSR
2024-10-05 Allegan County Fairgrounds 3218m 12:16.7 22nd · 6th on team 118.7 -0.025 PR CR R SR CSR RSR
2024-09-28 Allendale HS 3218m 13:01.1 30th · 6th on team 115.6 +0.006 CR CSR
2024-09-04 Riverside Park 3218m 12:57.1 11th · 5th on team 117.1 +0.004 PR CR R SR CSR RSR
2024-08-28 Saranac HS 3218m 14:09.4 8th · 5th on team 108.4 +0.025 CR SR CSR RSR

2023 XC 104.2

GRTC Peregrines ms (MI) · Grade 6

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-11-04 The Hermitage 3218m 13:26 88th · 9th on team 109.1 -0.012 PR CR SR CSR
2023-10-28 Allendale HS 5000m 21:21 106th · 7th on team 110.1 -0.016 PR CR R SR CSR RSR
2023-10-21 GRPS Northeast Campus 3218m 14:40.5 51st · 8th on team 101.3 -0.004 CR CSR
2023-10-11 Riverside Park 5000m 21:56.3 86th · 9th on team 108.9 -0.007 PR ★CR SR CSR
2023-10-07 Allegan County Fairgrounds 3218m 14:31.4 60th · 9th on team 101.5 -0.025 PR CR SR CSR
2023-09-30 Allendale HS 3218m 14:31.9 104th · 6th on team 105.1 +0.006 PR CR SR CSR
2023-09-27 Riverside Park 5000m 23:25.4 61st · 6th on team 102.4 -0.007 PR CR SR CSR
2023-09-23 South Christian Sports Park 3200m 14:19.7 61st · 8th on team 107.5 +0.026 PR ★CR SR CSR
2023-09-16 Fruit Ridge Hayrides 2500m 10:28.9 19th · 8th on team 109.2 +0.010 PR CR R SR CSR RSR
2023-09-06 Riverside Park 5000m 24:50.8 71st · 14th on team 96.1 -0.007 PR CR R SR CSR RSR
2023-08-25 South Christian Sports Park 3218m 16:14.2 145th · 11th on team 94.4 +0.026 PR ★CR R SR CSR RSR

Track & Field

TF speed rating

2026 TF 130.7

GRTC Peregrines ms (MI) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2026-05-27 All Weather Seal West Michigan MEGASTAR Meet 800m 2:17.3 7th · 1st on team 132.1 -0.033 ★PR SR
2026-05-27 All Weather Seal West Michigan MEGASTAR Meet 1600m 4:55.12 3rd · 1st on team 135.0 -0.033
2026-05-27 All Weather Seal West Michigan MEGASTAR Meet 3200m 11:14.72 10th · 3rd on team 127.1 -0.033
2026-05-23 Distance Night Under the Lights at Houseman Field 800m 2:18.19 18th · 1st on team 130.1 -0.041
2026-05-23 Distance Night Under the Lights at Houseman Field 1600m 4:54.08 14th · 2nd on team 134.3 -0.041 ★PR SR
2026-05-21 West Michigan Middle School Track & Field Championships 1600m 5:03.31 4th · 1st on team 132.7 -0.023
2026-05-12 GRACEAC Meet #2 (6th-8th Grade) shot 26' 7" -0.019
2026-05-12 GRACEAC Meet #2 (6th-8th Grade) 1600m 4:59.13 4th · 2nd on team 135.1 -0.019 PR ★R SR RSR
2026-05-12 GRACEAC Meet #2 (6th-8th Grade) 800m 2:17.55 2nd · 1st on team 133.7 -0.019 PR SR
2026-05-01 Cougar Junior Invite (Middle School) shot 29' 7.75" -0.026
2026-05-01 Cougar Junior Invite (Middle School) 800m 2:18.77 2nd · 1st on team 131.6 -0.026
2026-05-01 Cougar Junior Invite (Middle School) 1600m 5:01.79 3rd · 2nd on team 132.9 -0.026 PR R SR RSR
2026-04-18 GRACEAC Meet #1 (6th-8th Grade) shot 26' 7.75" -0.028
2026-04-18 GRACEAC Meet #1 (6th-8th Grade) 3200m 11:06.11 3rd · 2nd on team 129.3 -0.028 ★PR SR
2026-04-16 Paw Paw @ Vicksburg (MS Meet) shot 25' 11.5" -0.020
2026-04-16 Paw Paw @ Vicksburg (MS Meet) 1600m 5:09.72 4th · 2nd on team 130.4 -0.020 PR SR RSR
2026-04-16 Paw Paw @ Vicksburg (MS Meet) 800m 2:18.53 2nd · 1st on team 132.7 -0.020 PR R SR RSR
2026-04-06 Birds of Prey Invitational shot 26' 7" -0.004
2026-04-06 Birds of Prey Invitational 3200m 11:32.88 4th · 1st on team 127.4 -0.004 PR SR RSR
2026-04-06 Birds of Prey Invitational 800m 2:41.2 10th · 1st on team 115.8 -0.004 SR

2025 TF 114.4

GRTC Peregrines ms (MI) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-05-30 MIHS State Championship shot 22' 10.5" -0.026
2025-05-30 MIHS State Championship 1600m 5:43.87 7th · 3rd on team 116.8 -0.026 PR SR
2025-05-30 MIHS State Championship 800m 2:38.53 5th · 4th on team 115.4 -0.026 PR SR
2025-05-24 Distance Night Under the Lights at Houseman Field 1600m 5:48.49 57th · 4th on team 113.0 -0.041 PR SR
2025-05-22 West Michigan Middle School Track and Field Championship 3200m 12:08.23 25th · 1st on team 117.5 -0.028 PR SR RSR
2025-05-15 GRACEAC Meet #3 shot 21' 10.5" -0.026
2025-05-15 GRACEAC Meet #3 800m 2:41.31 13th · 6th on team 113.1 -0.026
2025-05-08 GRACEAC Meet #2 shot SCR -0.019
2025-05-08 GRACEAC Meet #2 800m 2:44.62 11th · 4th on team 111.8 -0.019
2025-05-08 GRACEAC Meet #2 1600m 5:53.09 8th · 2nd on team 114.4 -0.019
2025-05-02 GRACEAC Meet #1 shot 22' 5" -0.019
2025-05-02 GRACEAC Meet #1 3200m 12:24.76 4th · 2nd on team 116.1 -0.019 PR SR RSR
2025-04-24 Plainwell, Kzoo Homeschool & GRTC @ Vicksburg (MS Meet) shot 22' 1" -0.020
2025-04-24 Plainwell, Kzoo Homeschool & GRTC @ Vicksburg (MS Meet) 1600m 5:52.25 8th · 5th on team 114.3 -0.020 PR SR RSR
2025-04-24 Plainwell, Kzoo Homeschool & GRTC @ Vicksburg (MS Meet) 800m 2:40.63 9th · 5th on team 113.9 -0.020 PR SR
2025-04-05 Birds of Prey open scrimmage shot 18' 7" -0.019
2025-04-05 Birds of Prey open scrimmage 800m 2:42.48 8th · 1st on team 112.9 -0.019 PR SR RSR
2025-04-05 Birds of Prey open scrimmage 1600m 5:52.64 14th · 3rd on team 114.1 -0.019 PR SR RSR

2024 TF

GRTC Peregrines ms (MI) · Grade 6

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-05-31 MIHS State Championship shot SCR -0.026
2024-05-22 GRACEAC Meet #4 shot 21' 0 -0.019
2024-05-22 GRACEAC Meet #4 200m 35.57 7th · 1st on team -0.019
2024-05-22 GRACEAC Meet #4 100m 16.94 16th · 2nd on team -0.019
2024-05-16 GRACEAC Meet #3 100m 16.45 15th · 1st on team -0.019
2024-05-16 GRACEAC Meet #3 200m 35.17 4th · 1st on team -0.019
2024-05-09 GRACEAC Meet #2 shot 20' 1 -0.019
2024-05-09 GRACEAC Meet #2 100m 16.56 16th · 2nd on team -0.019
2024-05-06 GRTC, NP, Lee @ Hopkins shot 17' 0 -0.022
2024-05-06 GRTC, NP, Lee @ Hopkins 70m 11.95 18th · 2nd on team -0.022 ★PR SR
2024-05-06 GRTC, NP, Lee @ Hopkins 100m 16.6 19th · 3rd on team -0.022
2024-05-03 GRACEAC Meet #1 shot 22' 3 -0.019
2024-05-03 GRACEAC Meet #1 200m 33.49 7th · 1st on team -0.019 ★PR SR
2024-05-03 GRACEAC Meet #1 100m 16.31 15th · 1st on team -0.019 ★PR SR