John Costello
Pearl River, NY
Bib: 22012 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 | 08:07:03 | 31:51 | 10:15 | 31:51 | 10:15 | - |
10K | 6.21 mi | 08:36:33 | 1:01:21 | 9:52 | 29:30 | 9:30 | -0:45 |
15K | 9.32 mi | 09:04:52 | 1:29:40 | 9:37 | 28:19 | 9:07 | -0:23 |
21K | 13.05 mi | 09:39:13 | 2:04:01 | 9:30 | 34:21 | 9:13 | +0:06 |
25K | 15.53 mi | 10:00:28 | 2:25:16 | 9:21 | 21:15 | 8:33 | -0:40 |
30K | 18.64 mi | 10:28:18 | 2:53:06 | 9:17 | 27:50 | 8:58 | +0:25 |
35K | 21.75 mi | 10:56:46 | 3:21:34 | 9:16 | 28:28 | 9:10 | +0:12 |
40K | 24.85 mi | 11:32:14 | 3:57:02 | 9:32 | 35:28 | 11:25 | +2:15 |
Finish | 26.22 mi | 11:47:34 | 4:12:22 | 9:38 | 15:20 | 11:15 | -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
8:33 /mi
Average Pace
9:38 /mi
Slowest Pace
11:25 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
21:15
8% of race
Time at Steady Pace
2:28:28
59% of race
Time at Slower Pace
1:22:39
33% of race
Average Pace: 9:37 /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 | 08:07:03 | 31:51 | 10:15 | 31:51 | 10:15 | #13204 | |
10K | 6.21 mi | 08:36:33 | 1:01:21 | 9:52 | 29:30 | 9:30 | #12823 | |
15K | 9.32 mi | 09:04:52 | 1:29:40 | 9:37 | 28:19 | 9:07 | #11718 | |
21K | 13.05 mi | 09:39:13 | 2:04:01 | 9:30 | 34:21 | 9:13 | #10840 | |
25K | 15.53 mi | 10:00:28 | 2:25:16 | 9:21 | 21:15 | 8:33 | #10009 | |
30K | 18.64 mi | 10:28:18 | 2:53:06 | 9:17 | 27:50 | 8:58 | #9107 | |
35K | 21.75 mi | 10:56:46 | 3:21:34 | 9:16 | 28:28 | 9:10 | #8292 | |
40K | 24.85 mi | 11:32:14 | 3:57:02 | 9:32 | 35:28 | 11:25 | #8792 | |
Finish | 26.22 mi | 11:47:34 | 4:12:22 | 9:38 | 15:20 | 11:15 | #8922 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M20-24 | Seg. Overall | Seg. Males | Seg. M20-24 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 13204 | 9227 | 933 | 9835(Top 33%) | 7199(Top 41%) | 781(Top 55%) |
| 10K | 6.21 mi | 3.10 mi | 12823+381 | 9016+211 | 911+22 | 12541(Top 42%) | 8870(Top 50%) | 903(Top 64%) |
| 15K | 9.32 mi | 3.11 mi | 11718+1105 | 8348+668 | 871+40 | 9835(Top 33%) | 7199(Top 41%) | 781(Top 55%) |
| 21K | 13.05 mi | 3.73 mi | 10840+878 | 7819+529 | 832+39 | 9067(Top 30%) | 6660(Top 38%) | 727(Top 51%) |
| 25K | 15.53 mi | 2.48 mi | 10009+831 | 7274+545 | 787+45 | 6014(Top 20%) | 4580(Top 26%) | 527(Top 37%) |
| 30K | 18.64 mi | 3.11 mi | 9107+902 | 6648+626 | 727+60 | 5790(Top 19%) | 4342(Top 25%) | 504(Top 35%) |
| 35K | 21.75 mi | 3.11 mi | 8292+815 | 6061+587 | 667+60 | 5735(Top 19%) | 4165(Top 24%) | 486(Top 34%) |
| 40K | 24.85 mi | 3.10 mi | 8792-500 | 6270-209 | 680-13 | 13080(Top 44%) | 8069(Top 46%) | 833(Top 59%) |
| Finish | 26.22 mi | 1.37 mi | 8922-130 | 6300-30 | 684-4 | 12874(Top 43%) | 7942(Top 45%) | 854(Top 60%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
9835
Males
7199
M20-24
7199
5K→10K
3.1 - 6.2 mi
Overall
12541
Males
8870
M20-24
8870
10K→15K
6.2 - 9.3 mi
Overall
9835
Males
7199
M20-24
7199
15K→21K
9.3 - 13.1 mi
Overall
9067
Males
6660
M20-24
6660
21K→25K
13.1 - 15.5 mi
Overall
6014
Males
4580
M20-24
4580
25K→30K
15.5 - 18.6 mi
Overall
5790
Males
4342
M20-24
4342
30K→35K
18.6 - 21.8 mi
Overall
5735
Males
4165
M20-24
4165
35K→40K
21.8 - 24.9 mi
Overall
13080
Males
8069
M20-24
8069
40K→Finish
24.9 - 26.2 mi
Overall
12874
Males
7942
M20-24
7942
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #13204 |
| 5K → 10K | 598* | 217 | +381 | #13204 | #12823 |
| 10K → 15K | 1116* | 11 | +1105 | #12823 | #11718 |
| 15K → 21K | 899* | 21 | +878 | #11718 | #10840 |
| 21K → 25K | 831* | 0 | +831 | #10840 | #10009 |
| 25K → 30K | 910* | 8 | +902 | #10009 | #9107 |
| 30K → 35K | 839* | 24 | +815 | #9107 | #8292 |
| 35K → 40K | 143* | 643 | -500 | #8292 | #8792 |
| 40K → Finish | 67* | 197 | -130 | #8792 | #8922 |
| TOTALS | 5403* | 1121 | +4282 |
* 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