Racecast

Grandy Miller

North Muskegon (MI) · 9 · GMAAMI D3GMAA CROSS · Compare head to head

what a rating means
100 is the average runner in the athlete's pool; a rating of 133 means 33% faster than that average runner. Ratings are distance-normalised and course-adjusted, so a hard course and a fast track land on one number. Each pool (high school boys, college women, middle school…) has its own average, and the HS-equivalent view puts every pool on the high-school scale.
Athlete rating 90.9 2026 TF season
Best race 98.1 XC
Races 89
Seasons 5 2022 — 2026

RankedNation #139979·MI #6321·MI D3 #1655·GMAA #93·Team #15 ?

Rating scale ?
Speed rating — all races

Cross Country

XC speed rating

2025 XC 80.9

North Muskegon (MI) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-10-24 Allendale HS 5000m 24:28.5 93rd · 4th on team 81.7 -3.8% ★CR CSR
2025-10-18 Spring Lake HS OFFICIAL 5000m 24:08.7 56th · 3rd on team 84.1 -3.2% ★PR ★CR SR CSR
2025-10-14 Ravenna HS 5000m 24:57.9 49th · 4th on team 83.6 -0.4% ★CR CSR
2025-10-11 University Park Golf Course 5000m 24:14.9 65th · 4th on team 82.3 -4.0% PR ★CR SR CSR
2025-09-30 Shelby High School 5000m 25:13.35 48th · 3rd on team 84.4 +1.2% ★CR SR CSR RSR
2025-09-27 Allendale HS 5000m 25:28.8 94th · 3rd on team 79.6 -3.8% SR CSR
2025-09-20 Oakridge HS 5000m 25:35.8 61st · 3rd on team 80.8 -0.8% ★CR SR CSR RSR
2025-09-16 Baker Woods 5000m 29:00.68 44th · 2nd on team 80.5 +9.9% ★CR CSR RSR
2025-09-09 Fremont MS 5000m 28:43.6 111th · 4th on team 74.5 +1.8% ★CR CSR
2025-09-04 Riverside Park (Scottville) 5000m 26:08.59 25th · 3rd on team 77.7 -2.1% ★CR SR CSR RSR

2024 XC 89.6

North Muskegon (MI) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-10-26 Allendale HS 5000m 24:48.4 206th · 2nd on team 94.6 -3.8% PR CR SR CSR
2024-10-17 Muskegon Community College 3218m 15:01.6 21st · 2nd on team 96.8 -4.7% ★PR ★CR SR CSR
2024-10-11 Rycenga Park 3218m 15:49.2 46th · 3rd on team 98.1 +1.0% ★CR ★R CSR RSR
2024-10-01 Riverside Park (Scottville) 3218m 15:45.6 29th · 2nd on team 95.6 -0.8% PR ★CR R SR CSR RSR
2024-09-21 Oakridge HS 3200m 17:02.9 38th · 2nd on team 85.8 -4.4% ★CR SR CSR RSR
2024-09-17 Hart High School 3218m 18:15.4 35th · 3rd on team 83.4 -0.6% SR CSR RSR
2024-09-10 Fremont MS 3218m 20:23.3 65th · 3rd on team 79.8 +4.6% ★CR CSR
2024-09-05 Riverside Park (Scottville) 3218m 18:32.8 31st · 3rd on team 82.9 -0.8% CR SR CSR RSR

2023 XC 82.3

North Muskegon (MI) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-10-20 Rycenga Park 3200m 16:41.2 72nd · 8th on team 92.5 +1.0% ★PR ★CR R SR CSR RSR
2023-10-17 Mason County Fairgrounds 3218m 17:51.1 45th · 7th on team 83.0 -1.9% SR CSR RSR
2023-10-03 Holton HS 2800m 16:44.7 48th · 6th on team 79.6 -2.0% ★PR ★CR SR CSR
2023-09-23 Oakridge HS 3200m 17:54.6 42nd · 4th on team 81.9 -4.4% CR SR CSR RSR
2023-09-19 Ravenna HS 3200m 18:44.3 43rd · 7th on team 78.4 -2.2% ★CR SR CSR
2023-09-12 Shelby High School 3218m 18:38.7 42nd · 8th on team 81.3 -0.8% ★CR SR CSR RSR
2023-09-07 Riverside Park (Scottville) 3218m 18:46.4 41st · 7th on team 79.4 -0.8% CR SR CSR RSR

2022 XC 73.6

North Muskegon (MI) · Grade 6

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2022-10-20 Mason County Fairgrounds 3218m 17:02 61st · 7th on team 87.5 -1.9% PR ★CR R SR CSR RSR
2022-10-15 University Park Golf Course 3200m 17:38.6 72nd · 5th on team 80.4 -7.5% PR ★CR SR CSR
2022-10-11 Hart High School 3218m 17:50.9 44th · 7th on team 86.2 -0.6% PR ★CR R SR CSR RSR
2022-10-04 Baker Woods 1850m 16:58.3 46th · 8th on team 50.9 ★PR ★CR SR CSR
2022-09-24 Oakridge HS 3200m 19:25 65th · 7th on team 73.9 -4.4% PR CR R SR CSR RSR
2022-09-13 University Park Golf Course 3218m 20:30.8 40th · 7th on team 68.6 -7.5% PR ★CR R SR CSR RSR
2022-09-08 Riverside Park (Scottville) 3218m 22:51.1 47th · 8th on team 67.6 -0.8% PR CR R SR CSR RSR

Track & Field

TF speed rating

2026 TF 89.1

North Muskegon (MI) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2026-05-15 MHSAA LP Region 23-3 @ Montague 3200m 13:54.61 26th · 1st on team 87.8 +0.4% ★PR SR
2026-05-08 WMC Rivers Conference Championship @ Mason County Central (EQ Approved) 3200m 14:06.39 13th · 2nd on team 86.2 -0.1% PR SR
2026-05-05 WMC Rivers N. Muskegon, Ravenna, Holton @ Hart 1600m 6:12.51 12th · 4th on team 91.6 +1.4% ★PR SR RSR
2026-05-05 WMC Rivers N. Muskegon, Ravenna, Holton @ Hart 800m 2:48.11 11th · 5th on team 90.9 +1.4%
2026-04-28 WMC Rivers Double Dual - Hesperia, Mason County Central @ Ravenna 1600m 6:20.3 9th · 3rd on team 89.5 +1.1% PR SR
2026-04-28 WMC Rivers Double Dual - Hesperia, Mason County Central @ Ravenna 800m 2:47.61 9th · 3rd on team 90.8 +1.1% ★PR SR
2026-04-21 WMC Rivers: North Muskegon, Ravenna @ Shelby 800m 2:47.78 11th · 6th on team 91.0 +1.4% PR SR RSR
2026-04-21 WMC Rivers: North Muskegon, Ravenna @ Shelby 1600m 6:20.56 9th · 3rd on team 89.7 +1.4% PR SR
2026-04-15 WMC Rivers Dbl. Dual - North Muskegon, Holton, & Hesperia 1600m 6:37.13 5th · 3rd on team 85.9 +1.4% PR SR RSR
2026-04-15 WMC Rivers Dbl. Dual - North Muskegon, Holton, & Hesperia 800m 2:55.08 6th · 4th on team 87.2 +1.4% PR SR RSR

2025 TF 87.2

North Muskegon (MI) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-05-12 WMC MS - Oakridge at North Muskegon 400m 1:25.10 7th · 2nd on team +1.4%
2025-05-12 WMC MS - Oakridge at North Muskegon 100m 16.09 20th · 4th on team +1.4%
2025-05-12 WMC MS - Oakridge at North Muskegon 200m 33.97 7th · 3rd on team +1.4% ★PR SR
2025-05-07 WMC - MS Oak, N.M. @ Ravenna 100m 16.63 26th · 6th on team +1.1%
2025-05-07 WMC - MS Oak, N.M. @ Ravenna 400m 1:24.87 6th · 3rd on team +1.1%
2025-05-07 WMC - MS Oak, N.M. @ Ravenna 200m 34.99 15th · 9th on team +1.1%
2025-05-05 WMC MS - Fremont, North Muskegon 200m 35.8 22nd · 9th on team +1.4%
2025-05-05 WMC MS - Fremont, North Muskegon 100m 16.83 20th · 6th on team +1.4%
2025-05-05 WMC MS - Fremont, North Muskegon 400m 1:22.15 12th · 4th on team +1.4%
2025-04-30 WMC MS - Whitehall at North Muskegon 200m 34.13 5th · 3rd on team +1.4%
2025-04-30 WMC MS - Whitehall at North Muskegon 100m 15.93 8th · 4th on team +1.4% ★PR SR
2025-04-30 WMC MS - Whitehall at North Muskegon 400m 1:20.58 7th · 2nd on team +1.4%
2025-04-23 WMC MS - OV at North Muskegon 200m 34.12 6th · 3rd on team +1.4% PR SR
2025-04-23 WMC MS - OV at North Muskegon 400m 1:19.75 3rd · 2nd on team +1.4% ★PR SR
2025-04-23 WMC MS - OV at North Muskegon 100m 16.18 9th · 6th on team +1.4%
2025-04-22 MS North Muskegon and WMC @ Holton 200m 34.5 5th · 4th on team +1.0% PR SR
2025-04-22 MS North Muskegon and WMC @ Holton 800m 3:28.64 3rd · 1st on team 87.2 +1.0% PR SR RSR
2025-04-22 MS North Muskegon and WMC @ Holton 100m 16.01 11th · 7th on team +1.0% PR SR

2024 TF 77.8

North Muskegon (MI) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-05-13 WMC MS Montague @ NM lj 8' 6 +1.4%
2024-05-13 WMC MS Montague @ NM 800m 3:47.24 7th · 2nd on team 80.8 +1.4% PR SR RSR
2024-05-13 WMC MS Montague @ NM 100m 16.9 22nd · 15th on team +1.4% PR SR
2024-05-06 WMC Quad- Holton, NM, Ravenna, MCC (Not an Oakridge Meet) lj 8' 1.5 0.0%
2024-05-06 WMC Quad- Holton, NM, Ravenna, MCC (Not an Oakridge Meet) 100m 17.12 18th · 5th on team 0.0% PR SR
2024-05-06 WMC Quad- Holton, NM, Ravenna, MCC (Not an Oakridge Meet) 800m 3:51.08 9th · 4th on team 78.0 0.0% PR SR
2024-05-01 WMC MS Fremont @ NM lj 7' 11 +1.4%
2024-05-01 WMC MS Fremont @ NM 100m 17.29 15th · 12th on team +1.4% PR SR
2024-05-01 WMC MS Fremont @ NM 800m 3:55.19 4th · 3rd on team 77.8 +1.4%
2024-04-29 WMC MS Whitehall @ NM lj 6' 3 +1.4%
2024-04-29 WMC MS Whitehall @ NM 800m 3:54.12 11th · 2nd on team 78.4 +1.4% SR RSR
2024-04-29 WMC MS Whitehall @ NM 100m 18.32 24th · 14th on team +1.4% PR SR
2024-04-24 WMC MS - Oakridge, Mason County Central, North Muskegon @ Montague lj 8' 1 +0.4%
2024-04-24 WMC MS - Oakridge, Mason County Central, North Muskegon @ Montague 200m 38.21 20th · 2nd on team +0.4% PR SR
2024-04-24 WMC MS - Oakridge, Mason County Central, North Muskegon @ Montague 800m 4:00.51 9th · 1st on team 75.6 +0.4%
2024-04-22 WMC MS Oakridge @ NM lj 6' 2 +1.4%
2024-04-22 WMC MS Oakridge @ NM 800m 4:00.28 3rd · 2nd on team 76.5 +1.4% SR RSR
2024-04-22 WMC MS Oakridge @ NM 400m 1:32.39 4th · 3rd on team +1.4% PR SR

2023 TF 78.1

North Muskegon (MI) · Grade 6

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-05-17 WMC MS South Conference Meet 1600m 8:04.43 12th · 1st on team 82.2 +0.4% PR SR RSR
2023-05-15 North Muskegon, Potter's House, Fremont at Montague MS lj 8' 6 +0.4%
2023-05-15 North Muskegon, Potter's House, Fremont at Montague MS 1600m 8:34.2 13th · 1st on team 77.5 +0.4% PR SR
2023-05-15 North Muskegon, Potter's House, Fremont at Montague MS 70m 11.89 33rd · 6th on team +0.4% ★PR SR
2023-05-03 WMC MS Fremont, North Muskegon lj 6' 8.25 +1.7%
2023-05-03 WMC MS Fremont, North Muskegon 800m 3:53.52 7th · 3rd on team 79.3 +1.7% PR SR RSR
2023-05-03 WMC MS Fremont, North Muskegon 70m 15.49 20th · 10th on team +1.7%
2023-04-28 GMAA Middle School City Meet 1600m 8:52.79 12th · 1st on team 73.8 -0.5%
2023-04-26 WMC MS OV at NM lj 06-06.00 +1.4%
2023-04-26 WMC MS OV at NM 70m 12.54 15th · 10th on team +1.4% PR SR
2023-04-26 WMC MS OV at NM 1600m 8:36.8 7th · 2nd on team 77.8 +1.4% PR SR RSR