James Kaczmarczyk, Jr.
East Lansing, MI
Bib: 12052 M
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 37:41 | 12:08 | 3.11 mi | 37:41 | 12:08 | - | |
10K | 1:12:54 | 11:44 | 3.10 mi | 35:13 | 11:20 | -0:48 | |
15K | 1:50:32 | 11:52 | 3.11 mi | 37:38 | 12:07 | +0:47 | |
21K | 2:37:12 | 12:03 | 3.73 mi | 46:40 | 12:31 | +0:24 | |
25K | 3:07:35 | 12:05 | 2.48 mi | 30:23 | 12:13 | -0:18 | |
30K | 3:54:38 | 12:35 | 3.11 mi | 47:03 | 15:09 | +2:56 | |
35K | 4:38:03 | 12:47 | 3.11 mi | 43:25 | 13:58 | -1:11 | |
40K | 5:21:23 | 12:56 | 3.10 mi | 43:20 | 13:57 | -0:01 | |
Finish(26.22 mi) | 5:39:45 | 12:58 | 1.37 mi | 18:22 | 13:28 | -0:29 |
Checkpoints & Pacing
Pace Line
Fastest Pace
11:20 /mi
Average Pace
12:58 /mi
Slowest Pace
15:09 /mi
Segments
Time at Faster Pace
35:13
10% of race
Time at Steady Pace
2:32:22
45% of race
Time at Slower Pace
2:32:10
45% of race
Average Pace: 12:57 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M55-59 | Seg. Overall | Seg. Males | Seg. M55-59 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 24593 | 15335 | 977 | 25348 | 15681 | 1016 |
| 10K | 3.10 mi | 24203+390 | 15149+186 | 948+29 | 23896 | 14993 | 928 |
| 15K | 3.11 mi | 24670-467 | 15391-242 | 980-32 | 25348 | 15681 | 1016 |
| 21K | 3.73 mi | 24355+315 | 15193+198 | 967+13 | 24014 | 14927 | 954 |
| 25K | 2.48 mi | 23887+468 | 14907+286 | 945+22 | 22449 | 13903 | 852 |
| 30K | 3.11 mi | 24732-845 | 15240-333 | 994-49 | 27204 | 16128 | 1112 |
| 35K | 3.11 mi | 24416+316 | 14980+260 | 977+17 | 22941 | 13656 | 886 |
| 40K | 3.10 mi | 23913+503 | 14644+336 | 943+34 | 21243 | 12657 | 783 |
| Finish(26.22 mi) | 1.37 mi | 23712+201 | 14504+140 | 931+12 | 20568 | 12336 | 748 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
25348
Males
15681
M55-59
15681
5K→10K
3.1 - 6.2 mi
Overall
23896
Males
14993
M55-59
14993
10K→15K
6.2 - 9.3 mi
Overall
25348
Males
15681
M55-59
15681
15K→21K
9.3 - 13.1 mi
Overall
24014
Males
14927
M55-59
14927
21K→25K
13.1 - 15.5 mi
Overall
22449
Males
13903
M55-59
13903
25K→30K
15.5 - 18.6 mi
Overall
27204
Males
16128
M55-59
16128
30K→35K
18.6 - 21.8 mi
Overall
22941
Males
13656
M55-59
13656
35K→40K
21.8 - 24.9 mi
Overall
21243
Males
12657
M55-59
12657
40K→Finish
24.9 - 26.2 mi
Overall
20568
Males
12336
M55-59
12336
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #24593 |
| 5K → 10K | 293683*+390 | #24593 → #24203 |
| 10K → 15K | 707240*-467 | #24203 → #24670 |
| 15K → 21K | 330645*+315 | #24670 → #24355 |
| 21K → 25K | 106574*+468 | #24355 → #23887 |
| 25K → 30K | 970125*-845 | #23887 → #24732 |
| 30K → 35K | 155471*+316 | #24732 → #24416 |
| 35K → 40K | 70573*+503 | #24416 → #23913 |
| 40K → Finish | 39240*+201 | #23913 → #23712 |
| TOTALS | 26703551*+881 | #24593 → #23712 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
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Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions