Mark Selwyn
Bib: 8742 •M •Age: 55
Palo Alto, CA

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 | 07:36:39 | 22:47 | 7:20 | 22:47 | 7:20 | - |
10K | 6.21 mi | 08:00:10 | 46:18 | 7:28 | 23:31 | 7:35 | +0:15 |
15K | 9.32 mi | 08:24:28 | 1:10:36 | 7:35 | 24:18 | 7:50 | +0:15 |
Half | 13.10 mi | 08:55:18 | 1:41:26 | 7:45 | 30:50 | 8:10 | +0:20 |
25K | 15.53 mi | 09:16:54 | 2:03:02 | 7:56 | 21:36 | 8:52 | +0:42 |
30K | 18.64 mi | 09:45:22 | 2:31:30 | 8:08 | 28:28 | 9:10 | +0:18 |
35K | 21.75 mi | 10:15:36 | 3:01:44 | 8:22 | 30:14 | 9:44 | +0:34 |
40K | 24.85 mi | 10:45:44 | 3:31:52 | 8:32 | 30:08 | 9:42 | -0:02 |
Finish | 26.22 mi | 10:59:05 | 3:45:13 | 8:36 | 13:21 | 9:48 | +0:06 |
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. Dot colors mark your quickest to easiest segments, relative to your own pace.
Fastest Pace
7:20 /mi
Average Pace
8:36 /mi
Slowest Pace
9:48 /mi
📊Segments
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
1:41:26
45% of race
Time at Steady Pace
50:04
22% of race
Time at Slower Pace
1:13:43
33% of race
Average Pace: 8:35 /mi
🎨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
✨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 | 22:47 | 7:20 | 22:47 | 7:20 | #2665 | |
10K | 6.21 mi | 08:00:10 | 46:18 | 7:28 | 23:31 | 7:35 | #2984 | |
15K | 9.32 mi | 08:24:28 | 1:10:36 | 7:35 | 24:18 | 7:50 | #3119 | |
Half | 13.10 mi | 08:55:18 | 1:41:26 | 7:45 | 30:50 | 8:10 | #3394 | |
25K | 15.53 mi | 09:16:54 | 2:03:02 | 7:56 | 21:36 | 8:52 | #3684 | |
30K | 18.64 mi | 09:45:22 | 2:31:30 | 8:08 | 28:28 | 9:10 | #3962 | |
35K | 21.75 mi | 10:15:36 | 3:01:44 | 8:22 | 30:14 | 9:44 | #4147 | |
40K | 24.85 mi | 10:45:44 | 3:31:52 | 8:32 | 30:08 | 9:42 | #4202 | |
Finish | 26.22 mi | 10:59:05 | 3:45:13 | 8:36 | 13:21 | 9:48 | #4260 |
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 | 2665 | 2067 | 29 | 3427(Top 37%) | 2559(Top 46%) | 60(Top 18%) |
| 10K | 6.21 mi | 3.10 mi | 2984-319 | 2285-218 | 41-12 | 3311(Top 36%) | 2489(Top 45%) | 55(Top 17%) |
| 15K | 9.32 mi | 3.11 mi | 3119-135 | 2373-88 | 46-5 | 3427(Top 37%) | 2559(Top 46%) | 60(Top 18%) |
| Half | 13.10 mi | 3.78 mi | 3394-275 | 2535-162 | 57-11 | 4143(Top 45%) | 2977(Top 54%) | 117(Top 36%) |
| 25K | 15.53 mi | 2.43 mi | 3684-290 | 2703-168 | 77-20 | 4982(Top 54%) | 3400(Top 62%) | 141(Top 43%) |
| 30K | 18.64 mi | 3.11 mi | 3962-278 | 2857-154 | 103-26 | 5141(Top 56%) | 3451(Top 63%) | 140(Top 43%) |
| 35K | 21.75 mi | 3.11 mi | 4147-185 | 2928-71 | 109-6 | 5144(Top 56%) | 3360(Top 61%) | 138(Top 42%) |
| 40K | 24.85 mi | 3.10 mi | 4202-55 | 2929-1 | 106+3 | 4744(Top 52%) | 3053(Top 55%) | 121(Top 37%) |
| Finish | 26.22 mi | 1.37 mi | 4260-58 | 2952-23 | 110-4 | 5325(Top 58%) | 3354(Top 61%) | 137(Top 42%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
3427
Males
2559
M55-59
60
5K→10K
3.1 - 6.2 mi
Overall
3311
Males
2489
M55-59
55
10K→15K
6.2 - 9.3 mi
Overall
3427
Males
2559
M55-59
60
15K→Half
9.3 - 13.1 mi
Overall
4143
Males
2977
M55-59
117
Half→25K
13.1 - 15.5 mi
Overall
4982
Males
3400
M55-59
141
25K→30K
15.5 - 18.6 mi
Overall
5141
Males
3451
M55-59
140
30K→35K
18.6 - 21.8 mi
Overall
5144
Males
3360
M55-59
138
35K→40K
21.8 - 24.9 mi
Overall
4744
Males
3053
M55-59
121
40K→Finish
24.9 - 26.2 mi
Overall
5325
Males
3354
M55-59
137
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 | - | - | - | - | #2665 |
| 5K → 10K | 1 | 200 | -319 | #2665 | #2984 |
| 10K → 15K | 11 | 146 | -135 | #2984 | #3119 |
| 15K → Half | 6 | 200 | -275 | #3119 | #3394 |
| Half → 25K | 10 | 200 | -290 | #3394 | #3684 |
| 25K → 30K | 26 | 200 | -278 | #3684 | #3962 |
| 30K → 35K | 30 | 200 | -185 | #3962 | #4147 |
| 35K → 40K | 74 | 129 | -55 | #4147 | #4202 |
| 40K → Finish | 22 | 80 | -58 | #4202 | #4260 |
| TOTALS | 180 | 1355 | -1595 |
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
Olympic Trials Qualifying analysis available
Finisher Certificate
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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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