Mark Hatfield
Centreville, VA
Bib: 17963 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 | 08:00:28 | 30:35 | 9:51 | 30:35 | 9:51 | - |
10K | 6.21 mi | 08:29:54 | 1:00:01 | 9:40 | 29:26 | 9:28 | -0:23 |
15K | 9.32 mi | 08:59:53 | 1:30:00 | 9:39 | 29:59 | 9:39 | +0:11 |
21K | 13.05 mi | 09:37:24 | 2:07:31 | 9:46 | 37:31 | 10:04 | +0:25 |
25K | 15.53 mi | 10:02:26 | 2:32:33 | 9:49 | 25:02 | 10:04 | 0:00 |
30K | 18.64 mi | 10:37:06 | 3:07:13 | 10:03 | 34:40 | 11:09 | +1:05 |
35K | 21.75 mi | 11:19:10 | 3:49:17 | 10:33 | 42:04 | 13:32 | +2:23 |
40K | 24.85 mi | 12:03:22 | 4:33:29 | 11:00 | 44:12 | 14:14 | +0:42 |
Finish | 26.22 mi | 12:22:42 | 4:52:49 | 11:11 | 19:20 | 14:10 | -0:04 |
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
9:28 /mi
Average Pace
11:11 /mi
Slowest Pace
14:14 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
2:32:33
52% of race
Time at Slower Pace
2:20:16
48% of race
Average Pace: 11:10 /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 | 08:00:28 | 30:35 | 9:51 | 30:35 | 9:51 | #10688 | |
10K | 6.21 mi | 08:29:54 | 1:00:01 | 9:40 | 29:26 | 9:28 | #11481 | |
15K | 9.32 mi | 08:59:53 | 1:30:00 | 9:39 | 29:59 | 9:39 | #11926 | |
21K | 13.05 mi | 09:37:24 | 2:07:31 | 9:46 | 37:31 | 10:04 | #12315 | |
25K | 15.53 mi | 10:02:26 | 2:32:33 | 9:49 | 25:02 | 10:04 | #12485 | |
30K | 18.64 mi | 10:37:06 | 3:07:13 | 10:03 | 34:40 | 11:09 | #12990 | |
35K | 21.75 mi | 11:19:10 | 3:49:17 | 10:33 | 42:04 | 13:32 | #14673 | |
40K | 24.85 mi | 12:03:22 | 4:33:29 | 11:00 | 44:12 | 14:14 | #16101 | |
Finish | 26.22 mi | 12:22:42 | 4:52:49 | 11:11 | 19:20 | 14:10 | #16605 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M60-64 | Seg. Overall | Seg. Males | Seg. M60-64 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 10688 | 7708 | 150 | 12797(Top 43%) | 8969(Top 51%) | 201(Top 28%) |
| 10K | 6.21 mi | 3.10 mi | 11481-793 | 8215-507 | 165-15 | 12424(Top 41%) | 8803(Top 50%) | 178(Top 25%) |
| 15K | 9.32 mi | 3.11 mi | 11926-445 | 8470-255 | 172-7 | 12797(Top 43%) | 8969(Top 51%) | 201(Top 28%) |
| 21K | 13.05 mi | 3.73 mi | 12315-389 | 8690-220 | 181-9 | 13517(Top 45%) | 9336(Top 53%) | 211(Top 29%) |
| 25K | 15.53 mi | 2.48 mi | 12485-170 | 8745-55 | 191-10 | 13914(Top 46%) | 9395(Top 53%) | 220(Top 31%) |
| 30K | 18.64 mi | 3.11 mi | 12990-505 | 8948-203 | 202-11 | 15378(Top 51%) | 9973(Top 56%) | 254(Top 35%) |
| 35K | 21.75 mi | 3.11 mi | 14673-1683 | 9807-859 | 240-38 | 21608(Top 72%) | 12950(Top 73%) | 432(Top 60%) |
| 40K | 24.85 mi | 3.10 mi | 16101-1428 | 10467-660 | 276-36 | 22073(Top 73%) | 13099(Top 74%) | 438(Top 61%) |
| Finish | 26.22 mi | 1.37 mi | 16605-504 | 10688-221 | 294-18 | 22568(Top 75%) | 13438(Top 76%) | 447(Top 62%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
12797
Males
8969
M60-64
8969
5K→10K
3.1 - 6.2 mi
Overall
12424
Males
8803
M60-64
8803
10K→15K
6.2 - 9.3 mi
Overall
12797
Males
8969
M60-64
8969
15K→21K
9.3 - 13.1 mi
Overall
13517
Males
9336
M60-64
9336
21K→25K
13.1 - 15.5 mi
Overall
13914
Males
9395
M60-64
9395
25K→30K
15.5 - 18.6 mi
Overall
15378
Males
9973
M60-64
9973
30K→35K
18.6 - 21.8 mi
Overall
21608
Males
12950
M60-64
12950
35K→40K
21.8 - 24.9 mi
Overall
22073
Males
13099
M60-64
13099
40K→Finish
24.9 - 26.2 mi
Overall
22568
Males
13438
M60-64
13438
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #10688 |
| 5K → 10K | 97* | 890 | -793 | #10688 | #11481 |
| 10K → 15K | 131* | 576 | -445 | #11481 | #11926 |
| 15K → 21K | 194* | 583 | -389 | #11926 | #12315 |
| 21K → 25K | 185* | 355 | -170 | #12315 | #12485 |
| 25K → 30K | 197* | 702 | -505 | #12485 | #12990 |
| 30K → 35K | 74* | 1757 | -1683 | #12990 | #14673 |
| 35K → 40K | 49* | 1477 | -1428 | #14673 | #16101 |
| 40K → Finish | 35* | 539 | -504 | #16101 | #16605 |
| TOTALS | 962* | 6879 | -5917 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄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