Mark Song
Bib: 10427 β’M β’Age: 52
Sunnyvale, 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 | 07:40:45 | 30:32 | 9:50 | 30:32 | 9:50 | - |
10K | 6.21 mi | 08:10:46 | 1:00:33 | 9:45 | 30:01 | 9:40 | -0:10 |
15K | 9.32 mi | 08:41:13 | 1:31:00 | 9:46 | 30:27 | 9:49 | +0:09 |
Half | 13.10 mi | 09:17:43 | 2:07:30 | 9:45 | 36:30 | 9:40 | -0:09 |
25K | 15.53 mi | 09:41:20 | 2:31:07 | 9:44 | 23:37 | 9:42 | +0:02 |
30K | 18.64 mi | 10:10:56 | 3:00:43 | 9:42 | 29:36 | 9:32 | -0:10 |
35K | 21.75 mi | 10:44:09 | 3:33:56 | 9:51 | 33:13 | 10:42 | +1:10 |
40K | 24.85 mi | 11:14:55 | 4:04:42 | 9:51 | 30:46 | 9:55 | -0:47 |
Finish | 26.22 mi | 11:27:14 | 4:17:01 | 9:49 | 12:19 | 9:02 | -0:53 |
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
9:02 /mi
Average Pace
9:49 /mi
Slowest Pace
10:42 /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
3:43:48
87% of race
Time at Steady Pace
0:00
0% of race
Time at Slower Pace
33:13
13% of race
Average Pace: 9:48 /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 | 07:40:45 | 30:32 | 9:50 | 30:32 | 9:50 | #5872 | |
10K | 6.21 mi | 08:10:46 | 1:00:33 | 9:45 | 30:01 | 9:40 | #5765 | |
15K | 9.32 mi | 08:41:13 | 1:31:00 | 9:46 | 30:27 | 9:49 | #5592 | |
Half | 13.10 mi | 09:17:43 | 2:07:30 | 9:45 | 36:30 | 9:40 | #5460 | |
25K | 15.53 mi | 09:41:20 | 2:31:07 | 9:44 | 23:37 | 9:42 | #5323 | |
30K | 18.64 mi | 10:10:56 | 3:00:43 | 9:42 | 29:36 | 9:32 | #5115 | |
35K | 21.75 mi | 10:44:09 | 3:33:56 | 9:51 | 33:13 | 10:42 | #5061 | |
40K | 24.85 mi | 11:14:55 | 4:04:42 | 9:51 | 30:46 | 9:55 | #4865 | |
Finish | 26.22 mi | 11:27:14 | 4:17:01 | 9:49 | 12:19 | 9:02 | #4779 |
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 | 5872 | 3413 | 383 | 5367(Top 69%) | 3180(Top 76%) | 349(Top 71%) |
| 10K | 6.21 mi | 3.10 mi | 5765+107 | 3366+47 | 378+5 | 5714(Top 73%) | 3329(Top 80%) | 374(Top 76%) |
| 15K | 9.32 mi | 3.11 mi | 5592+173 | 3281+85 | 362+16 | 5367(Top 69%) | 3180(Top 76%) | 349(Top 71%) |
| Half | 13.10 mi | 3.78 mi | 5460+132 | 3229+52 | 357+5 | 5196(Top 67%) | 3115(Top 75%) | 343(Top 70%) |
| 25K | 15.53 mi | 2.43 mi | 5323+137 | 3159+70 | 349+8 | 4840(Top 62%) | 2900(Top 70%) | 319(Top 65%) |
| 30K | 18.64 mi | 3.11 mi | 5115+208 | 3051+108 | 338+11 | 4389(Top 56%) | 2642(Top 63%) | 285(Top 58%) |
| 35K | 21.75 mi | 3.11 mi | 5061+54 | 2997+54 | 336+2 | 4917(Top 63%) | 2801(Top 67%) | 312(Top 64%) |
| 40K | 24.85 mi | 3.10 mi | 4865+196 | 2870+127 | 319+17 | 3858(Top 49%) | 2238(Top 54%) | 244(Top 50%) |
| Finish | 26.22 mi | 1.37 mi | 4779+86 | 2811+59 | 313+6 | 3255(Top 42%) | 1922(Top 46%) | 198(Top 40%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
5367
Males
3180
M50-54
349
5Kβ10K
3.1 - 6.2 mi
Overall
5714
Males
3329
M50-54
374
10Kβ15K
6.2 - 9.3 mi
Overall
5367
Males
3180
M50-54
349
15KβHalf
9.3 - 13.1 mi
Overall
5196
Males
3115
M50-54
343
Halfβ25K
13.1 - 15.5 mi
Overall
4840
Males
2900
M50-54
319
25Kβ30K
15.5 - 18.6 mi
Overall
4389
Males
2642
M50-54
285
30Kβ35K
18.6 - 21.8 mi
Overall
4917
Males
2801
M50-54
312
35Kβ40K
21.8 - 24.9 mi
Overall
3858
Males
2238
M50-54
244
40KβFinish
24.9 - 26.2 mi
Overall
3255
Males
1922
M50-54
198
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 | - | - | - | - | #5872 |
| 5K β 10K | 146 | 39 | +107 | #5872 | #5765 |
| 10K β 15K | 183 | 10 | +173 | #5765 | #5592 |
| 15K β Half | 142 | 10 | +132 | #5592 | #5460 |
| Half β 25K | 142 | 5 | +137 | #5460 | #5323 |
| 25K β 30K | 214* | 6 | +208 | #5323 | #5115 |
| 30K β 35K | 98 | 44 | +54 | #5115 | #5061 |
| 35K β 40K | 198 | 2 | +196 | #5061 | #4865 |
| 40K β Finish | 88 | 2 | +86 | #4865 | #4779 |
| TOTALS | 1211* | 118 | +1093 |
* 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
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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.gpx files up to 10MB
Export & Support
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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?
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