Racecast

Isaac Ortiz

Shackelford (TX) · 8 · Compare head to head

Athlete rating 124.3 2026 TF season
Best race 127.1 TF
Races 17
Seasons 3 2024 — 2026

RankedNation #5938·TX #566·Team #2 ?

Training paces & VO2max → critical speed 6:59/mi, fitted from 11 races in 2025

Rating scale ?

Cross Country

2025 XC 116.1

Shackelford (TX) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-11-01 Seguin High School 3218m 12:21.2 7th · 2nd on team 120.7 -0.080 ★PR ★CR R SR CSR RSR
2025-10-09 Seguin High School 3218m 13:21.7 15th · 2nd on team 111.6 -0.080 PR CR R SR CSR RSR

2024 XC 102.9

Shackelford (TX) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-09-14 The Buff 3218m 14:54.4 41st · 2nd on team 102.9 -0.058 PR ★CR R SR CSR RSR

Track & Field

2026 TF 119.8

Shackelford (TX) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2026-03-26 Arlington ISD City Meet 2026 800m 2:24 10th · 2nd on team 123.4 -0.049
2026-03-26 Arlington ISD City Meet 2026 800m 2:19.84 6th · 1st on team 127.1 -0.049 ★PR ★R SR RSR
2026-03-26 Arlington ISD City Meet 2026 1600m 5:22.63 3rd · 1st on team 121.0 -0.049 ★PR SR
2026-03-12 AISD Meet #4 Ousley, Gunn, Young, Workman, Shackelford 1600m 5:31.56 5th · 1st on team 117.2 -0.053 PR SR
2026-03-12 AISD Meet #4 Ousley, Gunn, Young, Workman, Shackelford 800m 2:20.78 4th · 1st on team 125.6 -0.053 PR R SR RSR
2026-02-28 AISD Track Meet #2 (Shack, Bailey, Nichols) 1600m 5:40 2nd · 1st on team 114.0 -0.056 PR SR RSR
2026-02-28 AISD Track Meet #2 (Shack, Bailey, Nichols) 800m 2:23 2nd · 1st on team 123.3 -0.056 PR R SR RSR
2026-02-21 AISD Meet #1: Ousley, Shack, Gunn, Barnett lj 11' 4" — — -0.053
2026-02-21 AISD Meet #1: Ousley, Shack, Gunn, Barnett 1600m 5:45 3rd · 1st on team 112.6 -0.053 PR SR RSR
2026-02-21 AISD Meet #1: Ousley, Shack, Gunn, Barnett 800m 2:35.7 6th · 1st on team 113.6 -0.053 PR SR RSR

2025 TF 104.2

Shackelford (TX) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-03-13 Arlington ISD JH City Meet 2025 1600m 6:07.7 14th · 1st on team 104.9 -0.060 PR SR
2025-03-13 Arlington ISD JH City Meet 2025 800m 2:39.5 12th · 1st on team 110.2 -0.060 PR R SR RSR
2025-03-08 AISD Meet #4 Ousley, Workman, Shackelford, Bailey, Young 1600m 6:43 7th · 1st on team 96.9 -0.053 PR SR
2025-03-01 AISD Track Meet #3 800m 2:47 4th · 1st on team 105.0 -0.060 PR R SR RSR