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MJ
Mallory Jeffers
FemaleSouth Dakota2025–2026
3
Total Finishes
3
Different Races
2
States (4%)
1:57:52
PR (9:00/mi)
2:10:40
Average
+0:38:24
Slower (first to last)
Medal House
2026
Wolf Creek Wrangle
2:36:16
#14 overall
2025
Spearfish Canyon Half Marathon/5K
1:57:52
#139 overall#61 gender
2025
Spearfish Canyon Half Marathon & 5K
1:57:53
#139 overall#61 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Wolf Creek WrangleWolf | WY | 2:36:16 | #14 |
| 2025 | Spearfish Canyon Half Marathon/5K | — | 1:57:52 | #139 |
| 2025 | Spearfish Canyon Half Marathon & 5KSpearfish | SD | 1:57:53 | #139 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
SDSouth Dakota
1 raceMTMontana
0 races50-State Challenge
2/ 50 states
48 states to go