Tristan Pietrzak
Stafford, VA
Bib: 8909 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 | 07:49:27 | 27:51 | 8:58 | 27:51 | 8:58 | - |
10K | 6.21 mi | 08:15:24 | 53:48 | 8:39 | 25:57 | 8:21 | -0:37 |
15K | 9.32 mi | 08:41:46 | 1:20:10 | 8:36 | 26:22 | 8:29 | +0:08 |
21K | 13.05 mi | 09:14:41 | 1:53:05 | 8:40 | 32:55 | 8:50 | +0:21 |
25K | 15.53 mi | 09:36:09 | 2:14:33 | 8:40 | 21:28 | 8:38 | -0:12 |
30K | 18.64 mi | 10:04:09 | 2:42:33 | 8:43 | 28:00 | 9:01 | +0:23 |
35K | 21.75 mi | 10:32:15 | 3:10:39 | 8:46 | 28:06 | 9:03 | +0:02 |
40K | 24.85 mi | 11:00:35 | 3:38:59 | 8:49 | 28:20 | 9:07 | +0:04 |
Finish | 26.22 mi | 11:13:15 | 3:51:39 | 8:50 | 12:40 | 9:17 | +0:10 |
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
8:21 /mi
Average Pace
8:50 /mi
Slowest Pace
9:17 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
3:38:59
95% of race
Time at Steady Pace
12:40
5% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 8:50 /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 | 07:49:27 | 27:51 | 8:58 | 27:51 | 8:58 | #5363 | |
10K | 6.21 mi | 08:15:24 | 53:48 | 8:39 | 25:57 | 8:21 | #5319 | |
15K | 9.32 mi | 08:41:46 | 1:20:10 | 8:36 | 26:22 | 8:29 | #5407 | |
21K | 13.05 mi | 09:14:41 | 1:53:05 | 8:40 | 32:55 | 8:50 | #5657 | |
25K | 15.53 mi | 09:36:09 | 2:14:33 | 8:40 | 21:28 | 8:38 | #5719 | |
30K | 18.64 mi | 10:04:09 | 2:42:33 | 8:43 | 28:00 | 9:01 | #5653 | |
35K | 21.75 mi | 10:32:15 | 3:10:39 | 8:46 | 28:06 | 9:03 | #5423 | |
40K | 24.85 mi | 11:00:35 | 3:38:59 | 8:49 | 28:20 | 9:07 | #5130 | |
Finish | 26.22 mi | 11:13:15 | 3:51:39 | 8:50 | 12:40 | 9:17 | #5074 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M35-39 | Seg. Overall | Seg. Males | Seg. M35-39 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 5363 | 4187 | 631 | 5745(Top 19%) | 4459(Top 25%) | 670(Top 28%) |
| 10K | 6.21 mi | 3.10 mi | 5319+44 | 4180+7 | 634-3 | 5355(Top 18%) | 4225(Top 24%) | 644(Top 27%) |
| 15K | 9.32 mi | 3.11 mi | 5407-88 | 4237-57 | 643-9 | 5745(Top 19%) | 4459(Top 25%) | 670(Top 28%) |
| 21K | 13.05 mi | 3.73 mi | 5657-250 | 4408-171 | 660-17 | 6582(Top 22%) | 5029(Top 28%) | 752(Top 31%) |
| 25K | 15.53 mi | 2.48 mi | 5719-62 | 4447-39 | 667-7 | 6569(Top 22%) | 4969(Top 28%) | 740(Top 31%) |
| 30K | 18.64 mi | 3.11 mi | 5653+66 | 4360+87 | 654+13 | 6075(Top 20%) | 4531(Top 26%) | 669(Top 28%) |
| 35K | 21.75 mi | 3.11 mi | 5423+230 | 4129+231 | 621+33 | 5224(Top 17%) | 3834(Top 22%) | 576(Top 24%) |
| 40K | 24.85 mi | 3.10 mi | 5130+293 | 3867+262 | 587+34 | 4538(Top 15%) | 3237(Top 18%) | 481(Top 20%) |
| Finish | 26.22 mi | 1.37 mi | 5074+56 | 3806+61 | 578+9 | 5207(Top 17%) | 3577(Top 20%) | 529(Top 22%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
5745
Males
4459
M35-39
4459
5K→10K
3.1 - 6.2 mi
Overall
5355
Males
4225
M35-39
4225
10K→15K
6.2 - 9.3 mi
Overall
5745
Males
4459
M35-39
4459
15K→21K
9.3 - 13.1 mi
Overall
6582
Males
5029
M35-39
5029
21K→25K
13.1 - 15.5 mi
Overall
6569
Males
4969
M35-39
4969
25K→30K
15.5 - 18.6 mi
Overall
6075
Males
4531
M35-39
4531
30K→35K
18.6 - 21.8 mi
Overall
5224
Males
3834
M35-39
3834
35K→40K
21.8 - 24.9 mi
Overall
4538
Males
3237
M35-39
3237
40K→Finish
24.9 - 26.2 mi
Overall
5207
Males
3577
M35-39
3577
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #5363 |
| 5K → 10K | 280* | 236 | +44 | #5363 | #5319 |
| 10K → 15K | 123* | 211 | -88 | #5319 | #5407 |
| 15K → 21K | 76* | 326 | -250 | #5407 | #5657 |
| 21K → 25K | 133 | 195 | -62 | #5657 | #5719 |
| 25K → 30K | 231* | 165 | +66 | #5719 | #5653 |
| 30K → 35K | 333* | 103 | +230 | #5653 | #5423 |
| 35K → 40K | 385* | 92 | +293 | #5423 | #5130 |
| 40K → Finish | 118* | 62 | +56 | #5130 | #5074 |
| TOTALS | 1679* | 1390 | +289 |
* 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