Racecast

Jonah Mafcher

Martha's Vineyard Reg (MA) · 12 · CAPE & ISLANDSMA D25 · Compare head to head

Athlete rating 96.9 2025 XC season
Best race 103.5 XC
Races 29
Seasons 4 2023 — 2026

RankedNation #120411·MA #2599·MA D2 #1724·CAPE & ISLANDS #53·Team #11 ?

Training paces & VO2max → critical speed 7:30/mi, fitted from 7 races in 2025

Cross Country

2025 XC 97.0

Martha's Vineyard Reg (MA) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-10-18 Franklin Park 3000m 11:51 23rd · 1st on team 103.5 +0.035 ★PR ★CR ★R SR CSR RSR
2025-10-17 Dennis-Yarmouth High School 2333m 9:00.1 3rd · 1st on team 94.8 -0.057 ★PR ★CR SR CSR
2025-10-14 Martha’s Vineyard Regional High School 5000m 21:01.43 14th · 9th on team 98.0 -0.019 ★CR CSR RSR
2025-10-11 Cape Cod Fairgrounds 5000m 20:50.6 145th · 2nd on team 94.4 -0.057 ★PR ★CR SR CSR
2025-09-30 Martha’s Vineyard Regional High School 5000m 21:09.53 10th · 9th on team 97.5 -0.019 PR CR SR CSR RSR
2025-09-27 Wrentham Development Center 5000m 21:32.7 59th · 2nd on team 94.5 -0.041 ★CR SR CSR
2025-09-16 Nauset Regional High School 5000m 21:52 14th · 8th on team 96.1 +0.003 ★CR SR CSR RSR

2024 XC 91.6

Martha's Vineyard Reg (MA) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-10-12 Cape Cod Fairgrounds 5000m 21:30.09 205th · 2nd on team 93.1 -0.057 PR CR SR CSR
2024-09-28 Goddard Memorial State Park 5000m 23:33.1 137th · 2nd on team 85.9 -0.035 PR ★CR SR CSR
2024-09-21 Wrentham Development Center 3000m 12:35.87 81st · 1st on team 95.8 +0.002 PR ★CR R SR CSR RSR

2023 XC 81.5

Martha's Vineyard Reg (MA) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-10-13 Cape Cod Fairgrounds 5000m 24:13.4 168th · 1st on team 82.3 -0.057 PR CR SR CSR
2023-10-07 Francis W. Parker Charter Essential School 5000m 25:14.7 225th · 2nd on team 83.0 -0.005 ★CR CSR
2023-09-30 Wrentham Development Center 3000m 14:59.4 295th · 3rd on team 80.0 +0.002 PR CR SR CSR
2023-09-26 Martha’s Vineyard Regional High School 5000m 24:37 15th · 4th on team 84.5 -0.019 PR CR R SR CSR RSR
2023-09-19 Martha’s Vineyard Regional High School 5000m 24:57 9th · 2nd on team 83.0 -0.019 PR CR R SR CSR RSR
2023-09-09 Vineyard XC Invitational 5000m 27:43 124th · 2nd on team 76.0 — PR ★CR R SR CSR RSR

Track & Field

2026 TF 95.1

Martha's Vineyard Reg (MA) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2026-01-13 Cape & Islands Meet #5 2miles 12:20.11 11th · 1st on team 98.4 -0.050 ★PR SR RSR
2026-01-09 MSTCA Northeast Invitational 1000m 3:26.26 157th · 2nd on team 93.7 -0.049 ★PR SR
2026-01-06 Cape & Islands Meet #4 2miles 12:50.85 9th · 2nd on team 94.5 -0.050
2025-12-16 Cape & Islands Meet #2 2miles 12:38.34 9th · 1st on team 95.7 -0.050 SR RSR
2025-12-11 Cape & Islands Meet #1 2miles 12:57.7 8th · 2nd on team 93.3 -0.050 SR RSR

2025 TF 96.9

Martha's Vineyard Reg (MA) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2025-05-20 Cape & Islands Championship Meet 2miles 12:23.24 9th · 1st on team 99.6 -0.031 PR R SR RSR
2025-05-07 Barnstable vs MV 2miles 12:25 2nd · 1st on team 98.9 -0.031 PR R SR RSR
2025-04-25 2nd Annual Outdoor Mercury Games 2miles 13:01.76 11th · 1st on team 93.5 -0.036
2025-04-09 Monomoy, Sturgis vs MV 2miles 12:49 8th · 3rd on team 95.6 -0.033 PR SR RSR

2024 TF 85.6

Martha's Vineyard Reg (MA) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2024-01-04 Cape and Island Meet #3 2miles 14:01.58 8th · 1st on team 86.1 -0.050
2023-12-19 Cape and Island Meet #2 2miles 13:48.42 4th · 1st on team 87.5 -0.050 PR R SR RSR
2023-12-12 Cape and Island Meet #1 2miles 14:30.34 4th · 1st on team 83.3 -0.050 PR SR RSR

2023 TF —

Martha's Vineyard Reg (MA) · Grade 9 ✱

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2023-05-03 MV vs Sandwich 1mile 6:48 3rd · 3rd on team — -0.021 ★PR SR