David Koh
Bib: 16273•M•Age: 27
San Francisco, CA

⏱️ Race Timeline
The Course
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Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.81M | 1.81 mi | 07:05:31 | 18:09 | 10:02 | 18:09 | 10:02 | - |
5.34M | 5.34 mi | 07:50:16 | 1:02:54 | 11:47 | 44:45 | 12:41 | +2:39 |
6.15M | 6.15 mi | 07:58:39 | 1:11:17 | 11:35 | 8:23 | 10:21 | -2:20 |
10.54M | 10.54 mi | 08:44:38 | 1:57:16 | 11:08 | 45:59 | 10:28 | +0:07 |
11.05M | 11.05 mi | 08:52:53 | 2:05:31 | 11:22 | 8:15 | 16:10 | +5:42 |
Finish | 13.11 mi | 09:16:09 | 2:28:47 | 11:21 | 23:16 | 11:18 | -4:52 |
Checkpoints & Pacing
📈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
10:02 /mi
Average Pace
11:21 /mi
Slowest Pace
16:10 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
18:09
12% of race
Time at Steady Pace
1:17:38
52% of race
Time at Slower Pace
53:00
36% of race
Average Pace: 11:21 /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
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
1.81M | 1.81 mi | 07:05:31 | 18:09 | 10:02 | 18:09 | 10:02 | #3966 | |
5.34M | 5.34 mi | 07:50:16 | 1:02:54 | 11:47 | 44:45 | 12:41 | #6059 | |
6.15M | 6.15 mi | 07:58:39 | 1:11:17 | 11:35 | 8:23 | 10:21 | #5735 | |
10.54M | 10.54 mi | 08:44:38 | 1:57:16 | 11:08 | 45:59 | 10:28 | #4814 | |
11.05M | 11.05 mi | 08:52:53 | 2:05:31 | 11:22 | 8:15 | 16:10 | #4825 | |
Finish | 13.11 mi | 09:16:09 | 2:28:47 | 11:21 | 23:16 | 11:18 | #4665 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 1.81 mi | 3966 | 2593 | 629 | 3966(Top 56%) | 2593(Top 65%) | 629(Top 70%) |
| 5.34M | 5.34 mi | 3.53 mi | 6059-2093 | 3568-975 | 830-201 | 6495(Top 91%) | 3756(Top 94%) | 871(Top 97%) |
| 6.15M | 6.15 mi | 0.81 mi | 5735+324 | 3425+143 | 809+21 | 3201(Top 45%) | 2184(Top 55%) | 541(Top 60%) |
| 10.54M | 10.54 mi | 4.39 mi | 4814+921 | 2999+426 | 726+83 | 3575(Top 50%) | 2366(Top 59%) | 580(Top 65%) |
| 11.05M | 11.05 mi | 0.51 mi | 4825-11 | 3002-3 | 730-4 | 4696(Top 66%) | 2893(Top 73%) | 701(Top 78%) |
| Finish | 13.11 mi | 2.06 mi | 4665+160 | 2900+102 | 703+27 | 4205(Top 59%) | 2603(Top 65%) | 625(Top 70%) |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
3966
Males
2593
M25-29
630
1.81M→5.34M
1.8 - 5.3 mi
Overall
6495
Males
3756
M25-29
873
5.34M→6.15M
5.3 - 6.2 mi
Overall
3201
Males
2184
M25-29
542
6.15M→10.54M
6.2 - 10.5 mi
Overall
3575
Males
2366
M25-29
581
10.54M→11.05M
10.5 - 11.1 mi
Overall
4696
Males
2893
M25-29
702
11.05M→Finish
11.1 - 13.1 mi
Overall
4205
Males
2603
M25-29
625
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #3966 |
| 1.81M → 5.34M | 7* | 2100 | -2093 | #3966 | #6059 |
| 5.34M → 6.15M | 324 | 0 | +324 | #6059 | #5735 |
| 6.15M → 10.54M | 923* | 2 | +921 | #5735 | #4814 |
| 10.54M → 11.05M | 37 | 48 | -11 | #4814 | #4825 |
| 11.05M → Finish | 183* | 23 | +160 | #4825 | #4665 |
| TOTALS | 1474* | 2173 | -699 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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