Marc Harrington
Arlington, VA
Bib: 2021 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 | 31:59 | 10:18 | 3.11 mi | 31:59 | 10:18 | - | |
10K | 1:02:26 | 10:03 | 3.10 mi | 30:27 | 9:48 | -0:30 | |
15K | 1:34:36 | 10:09 | 3.11 mi | 32:10 | 10:21 | +0:33 | |
21K | 2:10:59 | 10:02 | 3.73 mi | 36:23 | 9:46 | -0:35 | |
25K | 2:36:03 | 10:03 | 2.48 mi | 25:04 | 10:05 | +0:19 | |
30K | 3:11:08 | 10:15 | 3.11 mi | 35:05 | 11:18 | +1:13 | |
35K | 3:48:25 | 10:30 | 3.11 mi | 37:17 | 12:00 | +0:42 | |
40K | 4:26:01 | 10:42 | 3.10 mi | 37:36 | 12:06 | +0:06 | |
Finish(26.22 mi) | 4:41:38 | 10:45 | 1.37 mi | 15:37 | 11:27 | -0:39 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:46 /mi
Average Pace
10:45 /mi
Slowest Pace
12:06 /mi
Segments
Time at Faster Pace
1:06:50
24% of race
Time at Steady Pace
1:29:13
32% of race
Time at Slower Pace
2:05:35
45% of race
Average Pace: 10:44 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M40-44 | Seg. Overall | Seg. Males | Seg. M40-44 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 13485 | 9391 | 1209 | 16916 | 11346 | 1485 |
| 10K | 3.10 mi | 13888-403 | 9639-248 | 1243-34 | 14383 | 9938 | 1285 |
| 15K | 3.11 mi | 14856-968 | 10187-548 | 1315-72 | 16916 | 11346 | 1485 |
| 21K | 3.73 mi | 13800+1056 | 9547+640 | 1238+77 | 12012 | 8470 | 1103 |
| 25K | 2.48 mi | 13741+59 | 9465+82 | 1236+2 | 13983 | 9435 | 1229 |
| 30K | 3.11 mi | 14078-337 | 9587-122 | 1246-10 | 15930 | 10256 | 1343 |
| 35K | 3.11 mi | 14463-385 | 9690-103 | 1267-21 | 16693 | 10317 | 1342 |
| 40K | 3.10 mi | 14629-166 | 9628+62 | 1249+18 | 15452 | 9405 | 1234 |
| Finish(26.22 mi) | 1.37 mi | 14528+101 | 9538+90 | 1242+7 | 13726 | 8414 | 1081 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
16916
Males
11346
M40-44
11346
5K→10K
3.1 - 6.2 mi
Overall
14383
Males
9938
M40-44
9938
10K→15K
6.2 - 9.3 mi
Overall
16916
Males
11346
M40-44
11346
15K→21K
9.3 - 13.1 mi
Overall
12012
Males
8470
M40-44
8470
21K→25K
13.1 - 15.5 mi
Overall
13983
Males
9435
M40-44
9435
25K→30K
15.5 - 18.6 mi
Overall
15930
Males
10256
M40-44
10256
30K→35K
18.6 - 21.8 mi
Overall
16693
Males
10317
M40-44
10317
35K→40K
21.8 - 24.9 mi
Overall
15452
Males
9405
M40-44
9405
40K→Finish
24.9 - 26.2 mi
Overall
13726
Males
8414
M40-44
8414
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #13485 |
| 5K → 10K | 635232*-403 | #13485 → #13888 |
| 10K → 15K | 1069101*-968 | #13888 → #14856 |
| 15K → 21K | 211077*+1056 | #14856 → #13800 |
| 21K → 25K | 249308*+59 | #13800 → #13741 |
| 25K → 30K | 591254*-337 | #13741 → #14078 |
| 30K → 35K | 659274*-385 | #14078 → #14463 |
| 35K → 40K | 456290*-166 | #14463 → #14629 |
| 40K → Finish | 78179*+101 | #14629 → #14528 |
| TOTALS | 37582715*-1043 | #13485 → #14528 |
* 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