Alonzo Arciniega

2025 XC 86.9

Cobalt Institute of Math and Science (CA) · Grade 11

Date	Meet	Event	Result	Place	Rating	Difficulty	PR/SR Flags
2025-10-25	Mt. San Antonio College	4828m	25:28.1	171st · 6th on team	82.7	+0.073	★CR CSR
2025-10-02	Riverside Prep	4828m	23:08.3	71st · 7th on team	89.8	+0.058	★PR ★CR SR CSR RSR
2025-09-24	The Academy of Careers and Exploration	4828m	25:04.1	53rd · 8th on team	88.3	+0.123	★CR SR CSR RSR

2023 XC 87.2

Cobalt Institute of Math and Science (CA) · Grade 9

Date	Meet	Event	Result	Place	Rating	Difficulty	PR/SR Flags
2023-10-03	Lucerne Valley High School	4828m	25:00.5	73rd · 7th on team	84.5	+0.071	★CR CSR
2023-09-19	Riverside Prep	4828m	23:18.6	90th · 13th on team	89.8	+0.058	PR CR SR CSR RSR

2022 XC 103.1

Cobalt Institute of Math and Science (CA) · Grade 8

Date	Meet	Event	Result	Place	Rating	Difficulty	PR/SR Flags
2022-11-01	Academy for Academic Excellence	2500m	15:40.9	12th · 2nd on team	—	—	★PR ★CR SR CSR
2022-09-20	Lucerne Valley High School	3218m	14:41.8	5th · 2nd on team	103.1	+0.008	★PR ★CR ★R SR CSR RSR

2021 XC —

Cobalt Institute of Math and Science (CA) · Grade 7 ✱

Date	Meet	Event	Result	Place	Rating	Difficulty	PR/SR Flags
2021-11-02	Lucerne Valley High School	2414m	13:55.3	12th · 3rd on team	—	—	★PR ★CR SR CSR