David Friedlander
Bib: 6687 β’M β’Age: 51
San Jose, CA

Race Timeline and Course Information
Your journey through the course with elevation, pacing, and checkpoint details
β±οΈ 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 | 07:36:39 | 27:58 | 9:01 | 27:58 | 9:01 | - |
10K | 6.21 mi | 08:04:06 | 55:25 | 8:56 | 27:27 | 8:51 | -0:10 |
15K | 9.32 mi | 08:32:32 | 1:23:51 | 9:00 | 28:26 | 9:10 | +0:19 |
20K | 12.43 mi | 09:01:04 | 1:52:23 | 9:03 | 28:32 | 9:12 | +0:02 |
Half | 13.10 mi | 09:07:09 | 1:58:28 | 9:03 | 6:05 | 9:06 | -0:06 |
25K | 15.53 mi | 09:29:42 | 2:21:01 | 9:05 | 22:33 | 9:16 | +0:10 |
30K | 18.64 mi | 09:58:55 | 2:50:14 | 9:08 | 29:13 | 9:25 | +0:09 |
35K | 21.75 mi | 10:28:18 | 3:19:37 | 9:11 | 29:23 | 9:28 | +0:03 |
40K | 24.85 mi | 11:00:32 | 3:51:51 | 9:20 | 32:14 | 10:23 | +0:55 |
Finish | 26.22 mi | 11:14:16 | 4:05:35 | 9:23 | 13:44 | 10:05 | -0:18 |
Checkpoint Splits Visualizations
Explore your race data through different visual perspectives. Scroll to discover each visualization.
πPace 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
8:51 /mi
Average Pace
9:22 /mi
Slowest Pace
10:23 /mi
πSegments
Segment Time Comparison
Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.
Time at Faster Pace
3:19:37
81% of race
Time at Steady Pace
45:58
19% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 9:22 /mi
π¨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
β¨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 | 07:36:39 | 27:58 | 9:01 | 27:58 | 9:01 | #5434 | |
10K | 6.21 mi | 08:04:06 | 55:25 | 8:56 | 27:27 | 8:51 | #5396 | |
15K | 9.32 mi | 08:32:32 | 1:23:51 | 9:00 | 28:26 | 9:10 | #5429 | |
20K | 12.43 mi | 09:01:04 | 1:52:23 | 9:03 | 28:32 | 9:12 | #5472 | |
Half | 13.10 mi | 09:07:09 | 1:58:28 | 9:03 | 6:05 | 9:06 | #5483 | |
25K | 15.53 mi | 09:29:42 | 2:21:01 | 9:05 | 22:33 | 9:16 | #5507 | |
30K | 18.64 mi | 09:58:55 | 2:50:14 | 9:08 | 29:13 | 9:25 | #5507 | |
35K | 21.75 mi | 10:28:18 | 3:19:37 | 9:11 | 29:23 | 9:28 | #5393 | |
40K | 24.85 mi | 11:00:32 | 3:51:51 | 9:20 | 32:14 | 10:23 | #5392 | |
Finish | 26.22 mi | 11:14:16 | 4:05:35 | 9:23 | 13:44 | 10:05 | #5413 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 5434 | 3771 | 276 | 5530(Top 66%) | 3848(Top 73%) | 281(Top 64%) |
| 10K | 6.21 mi | 3.10 mi | 5396+38 | 3756+15 | 275+1 | 5376(Top 64%) | 3747(Top 71%) | 272(Top 62%) |
| 15K | 9.32 mi | 3.11 mi | 5429-33 | 3778-22 | 278-3 | 5530(Top 66%) | 3848(Top 73%) | 281(Top 64%) |
| 20K | 12.43 mi | 3.11 mi | 5472-43 | 3810-32 | 278 | 5619(Top 67%) | 3904(Top 74%) | 288(Top 66%) |
| Half | 13.10 mi | 0.67 mi | 5483-11 | 3814-4 | 279-1 | 5747(Top 69%) | 4003(Top 76%) | 297(Top 68%) |
| 25K | 15.53 mi | 2.43 mi | 5507-24 | 3827-13 | 279 | 5535(Top 66%) | 3837(Top 73%) | 287(Top 66%) |
| 30K | 18.64 mi | 3.11 mi | 5507 | 3834-7 | 278+1 | 5441(Top 65%) | 3764(Top 72%) | 281(Top 64%) |
| 35K | 21.75 mi | 3.11 mi | 5393+114 | 3756+78 | 277+1 | 4919(Top 59%) | 3388(Top 64%) | 250(Top 57%) |
| 40K | 24.85 mi | 3.10 mi | 5392+1 | 3740+16 | 281-4 | 5574(Top 67%) | 3718(Top 71%) | 289(Top 66%) |
| Finish | 26.22 mi | 1.37 mi | 5413-21 | 3741-1 | 283-2 | 5656(Top 68%) | 3723(Top 71%) | 277(Top 63%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
5530
Males
3848
M50-54
281
5Kβ10K
3.1 - 6.2 mi
Overall
5376
Males
3747
M50-54
272
10Kβ15K
6.2 - 9.3 mi
Overall
5530
Males
3848
M50-54
281
15Kβ20K
9.3 - 12.4 mi
Overall
5619
Males
3904
M50-54
288
20KβHalf
12.4 - 13.1 mi
Overall
5747
Males
4003
M50-54
297
Halfβ25K
13.1 - 15.5 mi
Overall
5535
Males
3837
M50-54
287
25Kβ30K
15.5 - 18.6 mi
Overall
5441
Males
3764
M50-54
281
30Kβ35K
18.6 - 21.8 mi
Overall
4919
Males
3388
M50-54
250
35Kβ40K
21.8 - 24.9 mi
Overall
5574
Males
3718
M50-54
289
40KβFinish
24.9 - 26.2 mi
Overall
5656
Males
3723
M50-54
277
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 β 5K | - | - | - | - | #5434 |
| 5K β 10K | 97 | 59 | +38 | #5434 | #5396 |
| 10K β 15K | 41 | 74 | -33 | #5396 | #5429 |
| 15K β 20K | 31 | 74 | -43 | #5429 | #5472 |
| 20K β Half | 5 | 16 | -11 | #5472 | #5483 |
| Half β 25K | 53 | 77 | -24 | #5483 | #5507 |
| 25K β 30K | 73 | 73 | 0 | #5507 | #5507 |
| 30K β 35K | 134 | 20 | +114 | #5507 | #5393 |
| 35K β 40K | 75 | 74 | +1 | #5393 | #5392 |
| 40K β Finish | 10 | 31 | -21 | #5392 | #5413 |
| TOTALS | 519 | 498 | +21 |
Passing Analysis Visualizations
Explore your passing analysis through 5 different visualizations. Scroll to discover each one.
πPosition Graph
π¨Heatmap Timeline
πPassing Circle
πPosition Flow
πRace 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
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Export & Support
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Export Track Data
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