Heather Willcox
Arlington, VA
Bib: 28123 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 | 32:07 | 10:20 | 3.11 mi | 32:07 | 10:20 | - | |
10K | 1:02:35 | 10:04 | 3.10 mi | 30:28 | 9:48 | -0:32 | |
15K | 1:33:24 | 10:01 | 3.11 mi | 30:49 | 9:55 | +0:07 | |
21K | 2:11:52 | 10:06 | 3.73 mi | 38:28 | 10:19 | +0:24 | |
25K | 2:37:28 | 10:08 | 2.48 mi | 25:36 | 10:18 | -0:01 | |
30K | 3:13:37 | 10:23 | 3.11 mi | 36:09 | 11:38 | +1:20 | |
35K | 3:51:19 | 10:38 | 3.11 mi | 37:42 | 12:08 | +0:30 | |
40K | 4:28:55 | 10:49 | 3.10 mi | 37:36 | 12:06 | -0:02 | |
Finish(26.22 mi) | 4:47:06 | 10:57 | 1.37 mi | 18:11 | 13:20 | +1:14 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:48 /mi
Average Pace
10:57 /mi
Slowest Pace
13:20 /mi
Segments
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
2:37:28
55% of race
Time at Slower Pace
2:09:38
45% of race
Average Pace: 10:57 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 13742 | 4215 | 606 | 14329 | 4485 | 652 |
| 10K | 3.10 mi | 14045-303 | 4312-97 | 628-22 | 14407 | 4453 | 645 |
| 15K | 3.11 mi | 14040+5 | 4322-10 | 627+1 | 14329 | 4485 | 652 |
| 21K | 3.73 mi | 14210-170 | 4428-106 | 637-10 | 14844 | 4724 | 695 |
| 25K | 2.48 mi | 14257-47 | 4498-70 | 657-20 | 15010 | 5007 | 745 |
| 30K | 3.11 mi | 14771-514 | 4787-289 | 700-43 | 17216 | 6239 | 920 |
| 35K | 3.11 mi | 15189-418 | 5085-298 | 752-52 | 17116 | 6595 | 954 |
| 40K | 3.10 mi | 15167+22 | 5215-130 | 770-18 | 15447 | 6044 | 886 |
| Finish(26.22 mi) | 1.37 mi | 15537-370 | 5433-218 | 801-31 | 20160 | 8041 | 1156 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
14329
Females
4485
F30-34
4485
5K→10K
3.1 - 6.2 mi
Overall
14407
Females
4453
F30-34
4453
10K→15K
6.2 - 9.3 mi
Overall
14329
Females
4485
F30-34
4485
15K→21K
9.3 - 13.1 mi
Overall
14844
Females
4724
F30-34
4724
21K→25K
13.1 - 15.5 mi
Overall
15010
Females
5007
F30-34
5007
25K→30K
15.5 - 18.6 mi
Overall
17216
Females
6239
F30-34
6239
30K→35K
18.6 - 21.8 mi
Overall
17116
Females
6595
F30-34
6595
35K→40K
21.8 - 24.9 mi
Overall
15447
Females
6044
F30-34
6044
40K→Finish
24.9 - 26.2 mi
Overall
20160
Females
8041
F30-34
8041
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #13742 |
| 5K → 10K | 566263*-303 | #13742 → #14045 |
| 10K → 15K | 289294*+5 | #14045 → #14040 |
| 15K → 21K | 484314*-170 | #14040 → #14210 |
| 21K → 25K | 314267*-47 | #14210 → #14257 |
| 25K → 30K | 713199*-514 | #14257 → #14771 |
| 30K → 35K | 699281*-418 | #14771 → #15189 |
| 35K → 40K | 336358*+22 | #15189 → #15167 |
| 40K → Finish | 41444*-370 | #15167 → #15537 |
| TOTALS | 38152020*-1795 | #13742 → #15537 |
* 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