Katherine Chang
Ashburn, VA
Bib: 18775 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 | 32:21 | 10:25 | 3.11 mi | 32:21 | 10:25 | - | |
10K | 1:03:32 | 10:13 | 3.10 mi | 31:11 | 10:02 | -0:23 | |
15K | 1:35:42 | 10:16 | 3.11 mi | 32:10 | 10:21 | +0:19 | |
21K | 2:16:16 | 10:27 | 3.73 mi | 40:34 | 10:53 | +0:32 | |
25K | 2:45:22 | 10:39 | 2.48 mi | 29:06 | 11:42 | +0:49 | |
30K | 3:23:49 | 10:56 | 3.11 mi | 38:27 | 12:23 | +0:41 | |
35K | 4:06:43 | 11:21 | 3.11 mi | 42:54 | 13:48 | +1:25 | |
40K | 4:49:35 | 11:39 | 3.10 mi | 42:52 | 13:48 | 0:00 | |
Finish(26.22 mi) | 5:08:34 | 11:47 | 1.37 mi | 18:59 | 13:55 | +0:07 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:02 /mi
Average Pace
11:47 /mi
Slowest Pace
13:55 /mi
Segments
Time at Faster Pace
2:16:16
44% of race
Time at Steady Pace
1:07:33
22% of race
Time at Slower Pace
1:44:45
34% of race
Average Pace: 11:46 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F55-59 | Seg. Overall | Seg. Females | Seg. F55-59 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 14219 | 4400 | 148 | 16908 | 5564 | 230 |
| 10K | 3.10 mi | 15024-805 | 4727-327 | 165-17 | 15902 | 5102 | 197 |
| 15K | 3.11 mi | 15572-548 | 4968-241 | 176-11 | 16908 | 5564 | 230 |
| 21K | 3.73 mi | 16160-588 | 5244-276 | 205-29 | 17836 | 6064 | 263 |
| 25K | 2.48 mi | 17159-999 | 5726-482 | 238-33 | 20701 | 7702 | 385 |
| 30K | 3.11 mi | 17709-550 | 6099-373 | 267-29 | 19741 | 7416 | 367 |
| 35K | 3.11 mi | 18705-996 | 6699-600 | 302-35 | 22420 | 9049 | 525 |
| 40K | 3.10 mi | 19106-401 | 7022-323 | 338-36 | 20744 | 8385 | 469 |
| Finish(26.22 mi) | 1.37 mi | 19302-196 | 7149-127 | 343-5 | 21873 | 8816 | 479 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
16908
Females
5564
F55-59
5564
5K→10K
3.1 - 6.2 mi
Overall
15902
Females
5102
F55-59
5102
10K→15K
6.2 - 9.3 mi
Overall
16908
Females
5564
F55-59
5564
15K→21K
9.3 - 13.1 mi
Overall
17836
Females
6064
F55-59
6064
21K→25K
13.1 - 15.5 mi
Overall
20701
Females
7702
F55-59
7702
25K→30K
15.5 - 18.6 mi
Overall
19741
Females
7416
F55-59
7416
30K→35K
18.6 - 21.8 mi
Overall
22420
Females
9049
F55-59
9049
35K→40K
21.8 - 24.9 mi
Overall
20744
Females
8385
F55-59
8385
40K→Finish
24.9 - 26.2 mi
Overall
21873
Females
8816
F55-59
8816
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #14219 |
| 5K → 10K | 942137*-805 | #14219 → #15024 |
| 10K → 15K | 737189*-548 | #15024 → #15572 |
| 15K → 21K | 856268*-588 | #15572 → #16160 |
| 21K → 25K | 1108109*-999 | #16160 → #17159 |
| 25K → 30K | 791241*-550 | #17159 → #17709 |
| 30K → 35K | 1125129*-996 | #17709 → #18705 |
| 35K → 40K | 597196*-401 | #18705 → #19106 |
| 40K → Finish | 25862*-196 | #19106 → #19302 |
| TOTALS | 64141331*-5083 | #14219 → #19302 |
* 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