Katherine Lang
Belmont, MA
Bib: 28657 F
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 | 34:03 | 10:58 | 3.11 mi | 34:03 | 10:58 | - | |
10K | 1:06:16 | 10:40 | 3.10 mi | 32:13 | 10:22 | -0:36 | |
15K | 1:38:25 | 10:34 | 3.11 mi | 32:09 | 10:21 | -0:01 | |
21K | 2:17:18 | 10:31 | 3.73 mi | 38:53 | 10:26 | +0:05 | |
25K | 2:41:48 | 10:25 | 2.48 mi | 24:30 | 9:51 | -0:35 | |
30K | 3:13:39 | 10:23 | 3.11 mi | 31:51 | 10:15 | +0:24 | |
35K | 3:44:57 | 10:21 | 3.11 mi | 31:18 | 10:04 | -0:11 | |
40K | 4:16:35 | 10:19 | 3.10 mi | 31:38 | 10:11 | +0:07 | |
Finish(26.22 mi) | 4:30:05 | 10:19 | 1.37 mi | 13:30 | 9:54 | -0:17 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:51 /mi
Average Pace
10:19 /mi
Slowest Pace
10:58 /mi
Segments
Time at Faster Pace
3:56:02
87% of race
Time at Steady Pace
34:03
13% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 10:18 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F25-29 | Seg. Overall | Seg. Females | Seg. F25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 17841 | 5993 | 1397 | 16882 | 5555 | 1314 |
| 10K | 3.10 mi | 18000-159 | 6055-62 | 1411-14 | 18278 | 6176 | 1419 |
| 15K | 3.11 mi | 17488+512 | 5816+239 | 1353+58 | 16882 | 5555 | 1314 |
| 21K | 3.73 mi | 16656+832 | 5448+368 | 1294+59 | 15445 | 4989 | 1220 |
| 25K | 2.48 mi | 15823+833 | 5148+300 | 1244+50 | 12908 | 4073 | 1031 |
| 30K | 3.11 mi | 14782+1041 | 4793+355 | 1184+60 | 11606 | 3723 | 935 |
| 35K | 3.11 mi | 13688+1094 | 4451+342 | 1109+75 | 9401 | 3052 | 794 |
| 40K | 3.10 mi | 12713+975 | 4166+285 | 1055+54 | 8407 | 2896 | 748 |
| Finish(26.22 mi) | 1.37 mi | 12363+350 | 4058+108 | 1035+20 | 7512 | 2573 | 686 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
16882
Females
5555
F25-29
5555
5K→10K
3.1 - 6.2 mi
Overall
18278
Females
6176
F25-29
6176
10K→15K
6.2 - 9.3 mi
Overall
16882
Females
5555
F25-29
5555
15K→21K
9.3 - 13.1 mi
Overall
15445
Females
4989
F25-29
4989
21K→25K
13.1 - 15.5 mi
Overall
12908
Females
4073
F25-29
4073
25K→30K
15.5 - 18.6 mi
Overall
11606
Females
3723
F25-29
3723
30K→35K
18.6 - 21.8 mi
Overall
9401
Females
3052
F25-29
3052
35K→40K
21.8 - 24.9 mi
Overall
8407
Females
2896
F25-29
2896
40K→Finish
24.9 - 26.2 mi
Overall
7512
Females
2573
F25-29
2573
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #17841 |
| 5K → 10K | 525366*-159 | #17841 → #18000 |
| 10K → 15K | 164676*+512 | #18000 → #17488 |
| 15K → 21K | 104936*+832 | #17488 → #16656 |
| 21K → 25K | 11844*+833 | #16656 → #15823 |
| 25K → 30K | 261067*+1041 | #15823 → #14782 |
| 30K → 35K | 201114*+1094 | #14782 → #13688 |
| 35K → 40K | 23998*+975 | #13688 → #12713 |
| 40K → Finish | 10360*+350 | #12713 → #12363 |
| TOTALS | 8836361*+5478 | #17841 → #12363 |
* 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