David Bristow
Bib: 8474 β’M β’Age: 34
Oakland, 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 | 07:30:09 | 25:06 | 8:05 | 25:06 | 8:05 | - |
10K | 6.21 mi | 07:55:09 | 50:06 | 8:04 | 25:00 | 8:03 | -0:02 |
15K | 9.32 mi | 08:21:14 | 1:16:11 | 8:11 | 26:05 | 8:24 | +0:21 |
20K | 12.43 mi | 08:46:36 | 1:41:33 | 8:11 | 25:22 | 8:10 | -0:14 |
Half | 13.10 mi | 08:52:01 | 1:46:59 | 8:11 | 5:26 | 8:06 | -0:04 |
25K | 15.53 mi | 09:23:29 | 2:18:26 | 8:55 | 31:27 | 12:55 | +4:49 |
30K | 18.64 mi | 09:47:29 | 2:42:26 | 8:43 | 24:00 | 7:44 | -5:11 |
35K | 21.75 mi | 10:10:19 | 3:05:16 | 8:32 | 22:51 | 7:22 | -0:22 |
40K | 24.85 mi | 10:33:08 | 3:28:05 | 8:23 | 22:49 | 7:21 | -0:01 |
Finish | 26.22 mi | 10:42:57 | 3:37:54 | 8:20 | 9:49 | 7:12 | -0:09 |
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
7:12 /mi
Average Pace
8:19 /mi
Slowest Pace
12:55 /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
9:49
5% of race
Time at Steady Pace
2:56:38
81% of race
Time at Slower Pace
31:27
14% of race
Average Pace: 8:19 /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 | 07:30:09 | 25:06 | 8:05 | 25:06 | 8:05 | #3625 | |
10K | 6.21 mi | 07:55:09 | 50:06 | 8:04 | 25:00 | 8:03 | #3713 | |
15K | 9.32 mi | 08:21:14 | 1:16:11 | 8:11 | 26:05 | 8:24 | #3838 | |
20K | 12.43 mi | 08:46:36 | 1:41:33 | 8:11 | 25:22 | 8:10 | #3803 | |
Half | 13.10 mi | 08:52:01 | 1:46:59 | 8:11 | 5:26 | 8:06 | #3801 | |
25K | 15.53 mi | 09:23:29 | 2:18:26 | 8:55 | 31:27 | 12:55 | #5070 | |
30K | 18.64 mi | 09:47:29 | 2:42:26 | 8:43 | 24:00 | 7:44 | #4669 | |
35K | 21.75 mi | 10:10:19 | 3:05:16 | 8:32 | 22:51 | 7:22 | #4206 | |
40K | 24.85 mi | 10:33:08 | 3:28:05 | 8:23 | 22:49 | 7:21 | #3844 | |
Finish | 26.22 mi | 10:42:57 | 3:37:54 | 8:20 | 9:49 | 7:12 | #3723 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M30-34 | Seg. Overall | Seg. Males | Seg. M30-34 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 3625 | 2689 | 627 | 4100(Top 50%) | 2968(Top 58%) | 671(Top 69%) |
| 10K | 6.21 mi | 3.10 mi | 3713-88 | 2743-54 | 634-7 | 3810(Top 47%) | 2800(Top 55%) | 642(Top 66%) |
| 15K | 9.32 mi | 3.11 mi | 3838-125 | 2809-66 | 646-12 | 4100(Top 50%) | 2968(Top 58%) | 671(Top 69%) |
| 20K | 12.43 mi | 3.11 mi | 3803+35 | 2796+13 | 644+2 | 3759(Top 46%) | 2778(Top 54%) | 638(Top 65%) |
| Half | 13.10 mi | 0.67 mi | 3801+2 | 2794+2 | 643+1 | 3755(Top 46%) | 2766(Top 54%) | 645(Top 66%) |
| 25K | 15.53 mi | 2.43 mi | 5070-1269 | 3532-738 | 778-135 | 7707(Top 94%) | 4881(Top 95%) | 978(Top 100%) |
| 30K | 18.64 mi | 3.11 mi | 4669+401 | 3283+249 | 732+46 | 2793(Top 34%) | 2141(Top 42%) | 524(Top 54%) |
| 35K | 21.75 mi | 3.11 mi | 4206+463 | 3004+279 | 679+53 | 1931(Top 24%) | 1531(Top 30%) | 395(Top 40%) |
| 40K | 24.85 mi | 3.10 mi | 3844+362 | 2777+227 | 642+37 | 1845(Top 23%) | 1441(Top 28%) | 373(Top 38%) |
| Finish | 26.22 mi | 1.37 mi | 3723+121 | 2701+76 | 627+15 | 1881(Top 23%) | 1456(Top 28%) | 378(Top 39%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
4100
Males
2968
M30-34
671
5Kβ10K
3.1 - 6.2 mi
Overall
3810
Males
2800
M30-34
642
10Kβ15K
6.2 - 9.3 mi
Overall
4100
Males
2968
M30-34
671
15Kβ20K
9.3 - 12.4 mi
Overall
3759
Males
2778
M30-34
638
20KβHalf
12.4 - 13.1 mi
Overall
3755
Males
2766
M30-34
645
Halfβ25K
13.1 - 15.5 mi
Overall
7707
Males
4881
M30-34
978
25Kβ30K
15.5 - 18.6 mi
Overall
2793
Males
2141
M30-34
524
30Kβ35K
18.6 - 21.8 mi
Overall
1931
Males
1531
M30-34
395
35Kβ40K
21.8 - 24.9 mi
Overall
1845
Males
1441
M30-34
373
40KβFinish
24.9 - 26.2 mi
Overall
1881
Males
1456
M30-34
378
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 | - | - | - | - | #3625 |
| 5K β 10K | 19 | 107 | -88 | #3625 | #3713 |
| 10K β 15K | 19 | 144 | -125 | #3713 | #3838 |
| 15K β 20K | 54 | 19 | +35 | #3838 | #3803 |
| 20K β Half | 7 | 5 | +2 | #3803 | #3801 |
| Half β 25K | 1 | 200 | -1269 | #3801 | #5070 |
| 25K β 30K | 401* | 0 | +401 | #5070 | #4669 |
| 30K β 35K | 463* | 0 | +463 | #4669 | #4206 |
| 35K β 40K | 362* | 0 | +362 | #4206 | #3844 |
| 40K β Finish | 121 | 0 | +121 | #3844 | #3723 |
| TOTALS | 1447* | 475 | -98 |
* Includes athletes who did not complete a segment (DNF/DNQ).
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
Olympic Trials 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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Questions or issues regarding timing data?
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