Derek Harrington
Bristow, VA
Bib: 1013 M

⏱️ Race Timeline
The Course
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A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:45:21 | 24:00 | 7:43 | 24:00 | 7:43 | - |
10K | 6.21 mi | 08:08:03 | 46:42 | 7:31 | 22:42 | 7:18 | -0:25 |
15K | 9.32 mi | 08:31:02 | 1:09:41 | 7:29 | 22:59 | 7:24 | +0:06 |
21K | 13.05 mi | 08:59:54 | 1:38:33 | 7:33 | 28:52 | 7:45 | +0:21 |
25K | 15.53 mi | 09:19:36 | 1:58:15 | 7:37 | 19:42 | 7:56 | +0:11 |
30K | 18.64 mi | 09:45:50 | 2:24:29 | 7:45 | 26:14 | 8:27 | +0:31 |
35K | 21.75 mi | 10:15:30 | 2:54:09 | 8:00 | 29:40 | 9:33 | +1:06 |
40K | 24.85 mi | 10:44:56 | 3:23:35 | 8:11 | 29:26 | 9:28 | -0:05 |
Finish | 26.22 mi | 10:57:13 | 3:35:52 | 8:14 | 12:17 | 9:00 | -0:28 |
Checkpoints & Pacing
📈Pace Line
Pace Progression
Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.
Fastest Pace
7:18 /mi
Average Pace
8:14 /mi
Slowest Pace
9:33 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
45:41
21% of race
Time at Steady Pace
1:12:34
34% of race
Time at Slower Pace
1:37:37
45% of race
Average Pace: 8:14 /mi
🎨Heatmap
Pace Heatmap
Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.
Click or hover over segments to see details
✨Sparklines
Checkpoint Splits with Pace Trends
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:45:21 | 24:00 | 7:43 | 24:00 | 7:43 | #1324 | |
10K | 6.21 mi | 08:08:03 | 46:42 | 7:31 | 22:42 | 7:18 | #1443 | |
15K | 9.32 mi | 08:31:02 | 1:09:41 | 7:29 | 22:59 | 7:24 | #1506 | |
21K | 13.05 mi | 08:59:54 | 1:38:33 | 7:33 | 28:52 | 7:45 | #1613 | |
25K | 15.53 mi | 09:19:36 | 1:58:15 | 7:37 | 19:42 | 7:56 | #1768 | |
30K | 18.64 mi | 09:45:50 | 2:24:29 | 7:45 | 26:14 | 8:27 | #1980 | |
35K | 21.75 mi | 10:15:30 | 2:54:09 | 8:00 | 29:40 | 9:33 | #2578 | |
40K | 24.85 mi | 10:44:56 | 3:23:35 | 8:11 | 29:26 | 9:28 | #2839 | |
Finish | 26.22 mi | 10:57:13 | 3:35:52 | 8:14 | 12:17 | 9:00 | #2827 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M40-44 | Seg. Overall | Seg. Males | Seg. M40-44 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 1324 | 1137 | 141 | 1683(Top 6%) | 1433(Top 8%) | 171(Top 7%) |
| 10K | 6.21 mi | 3.10 mi | 1443-119 | 1239-102 | 149-8 | 1609(Top 5%) | 1378(Top 8%) | 168(Top 7%) |
| 15K | 9.32 mi | 3.11 mi | 1506-63 | 1289-50 | 155-6 | 1683(Top 6%) | 1433(Top 8%) | 171(Top 7%) |
| 21K | 13.05 mi | 3.73 mi | 1613-107 | 1374-85 | 167-12 | 2038(Top 7%) | 1700(Top 10%) | 200(Top 9%) |
| 25K | 15.53 mi | 2.48 mi | 1768-155 | 1487-113 | 175-8 | 3331(Top 11%) | 2665(Top 15%) | 317(Top 14%) |
| 30K | 18.64 mi | 3.11 mi | 1980-212 | 1638-151 | 194-19 | 3684(Top 12%) | 2891(Top 16%) | 347(Top 15%) |
| 35K | 21.75 mi | 3.11 mi | 2578-598 | 2093-455 | 245-51 | 7373(Top 25%) | 5174(Top 29%) | 634(Top 27%) |
| 40K | 24.85 mi | 3.10 mi | 2839-261 | 2256-163 | 271-26 | 5855(Top 19%) | 4057(Top 23%) | 503(Top 22%) |
| Finish | 26.22 mi | 1.37 mi | 2827+12 | 2228+28 | 269+2 | 4228(Top 14%) | 2998(Top 17%) | 345(Top 15%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
1683
Males
1433
M40-44
1433
5K→10K
3.1 - 6.2 mi
Overall
1609
Males
1378
M40-44
1378
10K→15K
6.2 - 9.3 mi
Overall
1683
Males
1433
M40-44
1433
15K→21K
9.3 - 13.1 mi
Overall
2038
Males
1700
M40-44
1700
21K→25K
13.1 - 15.5 mi
Overall
3331
Males
2665
M40-44
2665
25K→30K
15.5 - 18.6 mi
Overall
3684
Males
2891
M40-44
2891
30K→35K
18.6 - 21.8 mi
Overall
7373
Males
5174
M40-44
5174
35K→40K
21.8 - 24.9 mi
Overall
5855
Males
4057
M40-44
4057
40K→Finish
24.9 - 26.2 mi
Overall
4228
Males
2998
M40-44
2998
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #1324 |
| 5K → 10K | 15 | 134 | -119 | #1324 | #1443 |
| 10K → 15K | 14 | 77 | -63 | #1443 | #1506 |
| 15K → 21K | 16* | 123 | -107 | #1506 | #1613 |
| 21K → 25K | 9 | 164 | -155 | #1613 | #1768 |
| 25K → 30K | 29* | 241 | -212 | #1768 | #1980 |
| 30K → 35K | 19 | 617 | -598 | #1980 | #2578 |
| 35K → 40K | 59* | 320 | -261 | #2578 | #2839 |
| 40K → Finish | 57* | 45 | +12 | #2839 | #2827 |
| TOTALS | 218* | 1721 | -1503 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Public Race Data
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Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions