Julius Chen
Bib: 8976 •M •Age: 36
Cambridge, MA

Race Timeline and Course Information
Your journey through the course with elevation, pacing, and checkpoint details
⏱️ Race Timeline
Watch your race unfold from start to finish
Splits & Pacing
Detailed breakdown of your race performance at each timing point
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:32:30 | 25:47 | 8:18 | 25:47 | 8:18 | - |
10K | 6.21 mi | 07:57:58 | 51:15 | 8:15 | 25:28 | 8:12 | -0:06 |
15K | 9.32 mi | 08:24:14 | 1:17:31 | 8:20 | 26:16 | 8:28 | +0:16 |
20K | 12.43 mi | 08:51:56 | 1:45:13 | 8:28 | 27:42 | 8:55 | +0:27 |
Half | 13.10 mi | 08:57:15 | 1:50:32 | 8:27 | 5:19 | 7:57 | -0:58 |
25K | 15.53 mi | 09:17:11 | 2:10:28 | 8:24 | 19:56 | 8:11 | +0:14 |
30K | 18.64 mi | 09:43:13 | 2:36:30 | 8:24 | 26:02 | 8:23 | +0:12 |
35K | 21.75 mi | 10:09:29 | 3:02:46 | 8:25 | 26:16 | 8:28 | +0:05 |
40K | 24.85 mi | 10:36:03 | 3:29:20 | 8:26 | 26:34 | 8:34 | +0:06 |
Finish | 26.22 mi | 10:47:16 | 3:40:33 | 8:26 | 11:13 | 8:14 | -0:20 |
Checkpoint Splits Visualizations
Explore your race data through different visual perspectives. Scroll to discover each visualization.
📈Pace Line
Pace Progression
Track your pace changes throughout the race. Green = fastest, yellow = moderate, red = slowest segments.
Fastest Pace
7:57 /mi
Average Pace
8:25 /mi
Slowest Pace
8:55 /mi
📊Segments
Segment Time Comparison
Bar length shows time spent in each segment. Color indicates pace quality: green = fast pace, yellow = moderate, red = slow pace.
Time at Fast Pace
3:12:51
87% of race
Time at Moderate Pace
27:42
13% of race
Time at Slow Pace
0:00
0% of race
Average Pace: 8:25 /mi
🎨Heatmap
Pace Heatmap
Visual intensity map of your pacing throughout the race. Green = fastest, yellow = moderate, red = slowest.
Click or hover over segments to see details
✨Sparklines
Checkpoint Splits with Pace Trends
Enhanced split table showing pace trends through mini sparkline visualizations.
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:32:30 | 25:47 | 8:18 | 25:47 | 8:18 | #4059 | |
10K | 6.21 mi | 07:57:58 | 51:15 | 8:15 | 25:28 | 8:12 | #4085 | |
15K | 9.32 mi | 08:24:14 | 1:17:31 | 8:20 | 26:16 | 8:28 | #4124 | |
20K | 12.43 mi | 08:51:56 | 1:45:13 | 8:28 | 27:42 | 8:55 | #4416 | |
Half | 13.10 mi | 08:57:15 | 1:50:32 | 8:27 | 5:19 | 7:57 | #4371 | |
25K | 15.53 mi | 09:17:11 | 2:10:28 | 8:24 | 19:56 | 8:11 | #4237 | |
30K | 18.64 mi | 09:43:13 | 2:36:30 | 8:24 | 26:02 | 8:23 | #4143 | |
35K | 21.75 mi | 10:09:29 | 3:02:46 | 8:25 | 26:16 | 8:28 | #3978 | |
40K | 24.85 mi | 10:36:03 | 3:29:20 | 8:26 | 26:34 | 8:34 | #3877 | |
Finish | 26.22 mi | 10:47:16 | 3:40:33 | 8:26 | 11:13 | 8:14 | #3831 |
Rankings
Your position at each checkpoint and how you ranked in each segment
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 | 4059 | 2968 | 572 | 4290(Top 51%) | 3094(Top 59%) | 594(Top 65%) |
| 10K | 6.21 mi | 3.10 mi | 4085-26 | 2981-13 | 566+6 | 4135(Top 49%) | 3004(Top 57%) | 572(Top 63%) |
| 15K | 9.32 mi | 3.11 mi | 4124-39 | 2999-18 | 572-6 | 4290(Top 51%) | 3094(Top 59%) | 594(Top 65%) |
| 20K | 12.43 mi | 3.11 mi | 4416-292 | 3162-163 | 602-30 | 5157(Top 62%) | 3618(Top 69%) | 691(Top 76%) |
| Half | 13.10 mi | 0.67 mi | 4371+45 | 3140+22 | 595+7 | 3685(Top 44%) | 2726(Top 52%) | 529(Top 58%) |
| 25K | 15.53 mi | 2.43 mi | 4237+134 | 3062+78 | 583+12 | 3740(Top 45%) | 2741(Top 52%) | 541(Top 59%) |
| 30K | 18.64 mi | 3.11 mi | 4143+94 | 3004+58 | 574+9 | 3820(Top 46%) | 2765(Top 53%) | 545(Top 60%) |
| 35K | 21.75 mi | 3.11 mi | 3978+165 | 2888+116 | 555+19 | 3471(Top 41%) | 2521(Top 48%) | 499(Top 55%) |
| 40K | 24.85 mi | 3.10 mi | 3877+101 | 2797+91 | 545+10 | 3369(Top 40%) | 2395(Top 46%) | 466(Top 51%) |
| Finish | 26.22 mi | 1.37 mi | 3831+46 | 2762+35 | 537+8 | 3130(Top 37%) | 2222(Top 42%) | 429(Top 47%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
4290
Males
3094
M35-39
594
5K→10K
3.1 - 6.2 mi
Overall
4135
Males
3004
M35-39
572
10K→15K
6.2 - 9.3 mi
Overall
4290
Males
3094
M35-39
594
15K→20K
9.3 - 12.4 mi
Overall
5157
Males
3618
M35-39
691
20K→Half
12.4 - 13.1 mi
Overall
3685
Males
2726
M35-39
529
Half→25K
13.1 - 15.5 mi
Overall
3740
Males
2741
M35-39
541
25K→30K
15.5 - 18.6 mi
Overall
3820
Males
2765
M35-39
545
30K→35K
18.6 - 21.8 mi
Overall
3471
Males
2521
M35-39
499
35K→40K
21.8 - 24.9 mi
Overall
3369
Males
2395
M35-39
466
40K→Finish
24.9 - 26.2 mi
Overall
3130
Males
2222
M35-39
429
Passing
Athletes you passed and who passed you throughout the race
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #4059 |
| 5K → 10K | 42 | 68 | -26 | #4059 | #4085 |
| 10K → 15K | 23 | 62 | -39 | #4085 | #4124 |
| 15K → 20K | 3 | 200 | -292 | #4124 | #4416 |
| 20K → Half | 46 | 1 | +45 | #4416 | #4371 |
| Half → 25K | 136 | 2 | +134 | #4371 | #4237 |
| 25K → 30K | 112 | 18 | +94 | #4237 | #4143 |
| 30K → 35K | 172 | 7 | +165 | #4143 | #3978 |
| 35K → 40K | 134 | 33 | +101 | #3978 | #3877 |
| 40K → Finish | 54 | 8 | +46 | #3877 | #3831 |
| TOTALS | 722 | 399 | +228 |
Passing Analysis Visualizations
Explore your passing analysis through 5 different visualizations. Scroll to discover each one.
📈Position Graph
🎨Heatmap Timeline
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Qualifying & Age Grade
See how your performance stacks up against qualifying standards
Boston Qualifying analysis available
NYC Marathon Qualifying analysis available
Finisher Certificate
Download and share your official race completion certificate
Your certificate is generated on-demand and can be shared on social media or saved for your records
Activity Data
Upload your GPX file to see detailed activity metrics
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export & Support
Download your data, get help, and share your feedback
Export Track Data
Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
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