Gyo Un Choi
Bib: 9136 β’M β’Age: 55
San Ramon, 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 | 07:40:50 | 30:02 | 9:41 | 30:02 | 9:41 | - |
10K | 6.21 mi | 08:10:00 | 59:12 | 9:32 | 29:10 | 9:24 | -0:17 |
15K | 9.32 mi | 08:39:27 | 1:28:39 | 9:31 | 29:27 | 9:29 | +0:05 |
20K | 12.43 mi | 09:08:59 | 1:58:11 | 9:31 | 29:32 | 9:31 | +0:02 |
Half | 13.10 mi | 09:15:17 | 2:04:29 | 9:31 | 6:18 | 9:25 | -0:06 |
25K | 15.53 mi | 09:38:49 | 2:28:01 | 9:32 | 23:32 | 9:40 | +0:15 |
30K | 18.64 mi | 10:09:13 | 2:58:25 | 9:35 | 30:24 | 9:48 | +0:08 |
35K | 21.75 mi | 10:45:55 | 3:35:07 | 9:54 | 36:42 | 11:49 | +2:01 |
40K | 24.85 mi | 11:16:47 | 4:05:59 | 9:54 | 30:52 | 9:57 | -1:52 |
Finish | 26.22 mi | 11:36:23 | 4:25:35 | 10:09 | 19:36 | 14:23 | +4:26 |
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
9:24 /mi
Average Pace
10:08 /mi
Slowest Pace
14:23 /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
0:00
0% of race
Time at Steady Pace
3:29:17
79% of race
Time at Slower Pace
56:18
21% of race
Average Pace: 10:08 /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 | 07:40:50 | 30:02 | 9:41 | 30:02 | 9:41 | #6307 | |
10K | 6.21 mi | 08:10:00 | 59:12 | 9:32 | 29:10 | 9:24 | #6285 | |
15K | 9.32 mi | 08:39:27 | 1:28:39 | 9:31 | 29:27 | 9:29 | #6177 | |
20K | 12.43 mi | 09:08:59 | 1:58:11 | 9:31 | 29:32 | 9:31 | #6123 | |
Half | 13.10 mi | 09:15:17 | 2:04:29 | 9:31 | 6:18 | 9:25 | #6120 | |
25K | 15.53 mi | 09:38:49 | 2:28:01 | 9:32 | 23:32 | 9:40 | #6069 | |
30K | 18.64 mi | 10:09:13 | 2:58:25 | 9:35 | 30:24 | 9:48 | #6001 | |
35K | 21.75 mi | 10:45:55 | 3:35:07 | 9:54 | 36:42 | 11:49 | #6151 | |
40K | 24.85 mi | 11:16:47 | 4:05:59 | 9:54 | 30:52 | 9:57 | #6018 | |
Finish | 26.22 mi | 11:36:23 | 4:25:35 | 10:09 | 19:36 | 14:23 | #6208 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M55-59 | Seg. Overall | Seg. Males | Seg. M55-59 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 6307 | 4279 | 197 | 6008(Top 72%) | 4137(Top 79%) | 187(Top 70%) |
| 10K | 6.21 mi | 3.10 mi | 6285+22 | 4279 | 198-1 | 6246(Top 75%) | 4275(Top 81%) | 199(Top 75%) |
| 15K | 9.32 mi | 3.11 mi | 6177+108 | 4228+51 | 195+3 | 6008(Top 72%) | 4137(Top 79%) | 187(Top 70%) |
| 20K | 12.43 mi | 3.11 mi | 6123+54 | 4197+31 | 193+2 | 6031(Top 72%) | 4148(Top 79%) | 193(Top 73%) |
| Half | 13.10 mi | 0.67 mi | 6120+3 | 4195+2 | 192+1 | 6137(Top 73%) | 4192(Top 80%) | 197(Top 74%) |
| 25K | 15.53 mi | 2.43 mi | 6069+51 | 4160+35 | 191+1 | 5938(Top 71%) | 4061(Top 77%) | 185(Top 70%) |
| 30K | 18.64 mi | 3.11 mi | 6001+68 | 4108+52 | 189+2 | 5818(Top 70%) | 3970(Top 76%) | 183(Top 69%) |
| 35K | 21.75 mi | 3.11 mi | 6151-150 | 4166-58 | 196-7 | 6800(Top 81%) | 4395(Top 84%) | 207(Top 78%) |
| 40K | 24.85 mi | 3.10 mi | 6018+133 | 4071+95 | 191+5 | 5171(Top 62%) | 3482(Top 66%) | 147(Top 55%) |
| Finish | 26.22 mi | 1.37 mi | 6208-190 | 4171-100 | 199-8 | 8125(Top 97%) | 5103(Top 97%) | 254(Top 95%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
6008
Males
4137
M55-59
187
5Kβ10K
3.1 - 6.2 mi
Overall
6246
Males
4275
M55-59
199
10Kβ15K
6.2 - 9.3 mi
Overall
6008
Males
4137
M55-59
187
15Kβ20K
9.3 - 12.4 mi
Overall
6031
Males
4148
M55-59
193
20KβHalf
12.4 - 13.1 mi
Overall
6137
Males
4192
M55-59
197
Halfβ25K
13.1 - 15.5 mi
Overall
5938
Males
4061
M55-59
185
25Kβ30K
15.5 - 18.6 mi
Overall
5818
Males
3970
M55-59
183
30Kβ35K
18.6 - 21.8 mi
Overall
6800
Males
4395
M55-59
207
35Kβ40K
21.8 - 24.9 mi
Overall
5171
Males
3482
M55-59
147
40KβFinish
24.9 - 26.2 mi
Overall
8125
Males
5103
M55-59
254
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 | - | - | - | - | #6307 |
| 5K β 10K | 81 | 59 | +22 | #6307 | #6285 |
| 10K β 15K | 121 | 13 | +108 | #6285 | #6177 |
| 15K β 20K | 69 | 15 | +54 | #6177 | #6123 |
| 20K β Half | 9 | 6 | +3 | #6123 | #6120 |
| Half β 25K | 68 | 17 | +51 | #6120 | #6069 |
| 25K β 30K | 91 | 23 | +68 | #6069 | #6001 |
| 30K β 35K | 27 | 177 | -150 | #6001 | #6151 |
| 35K β 40K | 145 | 12 | +133 | #6151 | #6018 |
| 40K β Finish | 1 | 191 | -190 | #6018 | #6208 |
| TOTALS | 612 | 513 | +99 |
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
Upload your GPX file to see detailed activity metrics
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.gpx files up to 10MB
Export & Support
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Export Track Data
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