Howard Hsieh
Santa Clara, CA
Bib: 17074 M 51

⏱️ Race Timeline
The Course
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A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2M | 2.00 mi | 07:03:35 | 22:09 | 11:04 | 22:09 | 11:04 | - |
4M | 4.00 mi | 07:25:28 | 44:02 | 11:01 | 21:53 | 10:57 | -0:07 |
6M | 6.00 mi | 07:47:34 | 1:06:08 | 11:01 | 22:06 | 11:03 | +0:06 |
8M | 8.00 mi | 08:12:05 | 1:30:39 | 11:20 | 24:31 | 12:15 | +1:12 |
9.6M | 9.60 mi | 08:26:17 | 1:44:51 | 10:55 | 14:12 | 8:52 | -3:23 |
10M | 10.00 mi | 08:34:26 | 1:53:00 | 11:18 | 8:09 | 20:24 | +11:32 |
10.5M | 10.50 mi | 08:37:03 | 1:55:37 | 11:01 | 2:37 | 5:14 | -15:10 |
12M | 12.00 mi | 08:58:11 | 2:16:45 | 11:24 | 21:08 | 14:05 | +8:51 |
Finish | 13.11 mi | 09:09:16 | 2:27:50 | 11:17 | 11:05 | 10:00 | -4:05 |
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
5:14 /mi
Average Pace
11:17 /mi
Slowest Pace
20:24 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
16:49
11% of race
Time at Steady Pace
1:41:44
69% of race
Time at Slower Pace
29:17
20% of race
Average Pace: 11:17 /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 |
|---|---|---|---|---|---|---|---|---|
2M | 2.00 mi | 07:03:35 | 22:09 | 11:04 | 22:09 | 11:04 | #4818 | |
4M | 4.00 mi | 07:25:28 | 44:02 | 11:01 | 21:53 | 10:57 | #4407 | |
6M | 6.00 mi | 07:47:34 | 1:06:08 | 11:01 | 22:06 | 11:03 | #4218 | |
8M | 8.00 mi | 08:12:05 | 1:30:39 | 11:20 | 24:31 | 12:15 | #4385 | |
9.6M | 9.60 mi | 08:26:17 | 1:44:51 | 10:55 | 14:12 | 8:52 | #4049 | |
10M | 10.00 mi | 08:34:26 | 1:53:00 | 11:18 | 8:09 | 20:24 | #3995 | |
10.5M | 10.50 mi | 08:37:03 | 1:55:37 | 11:01 | 2:37 | 5:14 | #3983 | |
12M | 12.00 mi | 08:58:11 | 2:16:45 | 11:24 | 21:08 | 14:05 | #3763 | |
Finish | 13.11 mi | 09:09:16 | 2:27:50 | 11:17 | 11:05 | 10:00 | #3653 |
Garmin Challenge
10:46
Segment Time
11:58/mi
Pace
0.90 mi
Distance
Overall
3621
Men
2322
Division
112
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|---|
| 2M | 2.00 mi | 2.00 mi | 4818 | 2966 | 151 | 2819(Top 43%) | 1876(Top 52%) | 87(Top 44%) |
| 4M | 4.00 mi | 2.00 mi | 4407+411 | 2776+190 | 139+12 | 4136(Top 63%) | 2649(Top 73%) | 129(Top 66%) |
| 6M | 6.00 mi | 2.00 mi | 4218+189 | 2692+84 | 129+10 | 3954(Top 60%) | 2549(Top 70%) | 115(Top 59%) |
| 8M | 8.00 mi | 2.00 mi | 4385-167 | 2789-97 | 131-2 | 4818(Top 73%) | 2989(Top 83%) | 144(Top 73%) |
| 9.6M | 9.60 mi | 1.60 mi | 4049+336 | 2596+193 | 120+11 | 2573(Top 39%) | 1654(Top 46%) | 77(Top 39%) |
| 10M | 10.00 mi | 0.40 mi | 3995+54 | 2561+35 | 118+2 | 3670(Top 56%) | 2333(Top 64%) | 115(Top 59%) |
| 10.5M | 10.50 mi | 0.50 mi | 3983+12 | 2553+8 | 118 | 3748(Top 57%) | 2417(Top 67%) | 119(Top 61%) |
| 12M | 12.00 mi | 1.50 mi | 3763+220 | 2444+109 | 116+2 | 2819(Top 43%) | 1876(Top 52%) | 87(Top 44%) |
| Finish | 13.11 mi | 1.11 mi | 3653+110 | 2379+65 | 110+6 | 2855(Top 43%) | 1893(Top 52%) | 85(Top 43%) |
Segment Performance Analysis
10.5M→12M
0.0 - 2.0 mi
Overall
2819
Males
1876
M50-54
87
2M→4M
2.0 - 4.0 mi
Overall
4136
Males
2649
M50-54
129
4M→6M
4.0 - 6.0 mi
Overall
3954
Males
2549
M50-54
115
6M→8M
6.0 - 8.0 mi
Overall
4818
Males
2989
M50-54
144
8M→9.6M
8.0 - 9.6 mi
Overall
2573
Males
1654
M50-54
77
9.6M→10M
9.6 - 10.0 mi
Overall
3670
Males
2333
M50-54
115
10M→10.5M
10.0 - 10.5 mi
Overall
3748
Males
2417
M50-54
119
10.5M→12M
10.5 - 12.0 mi
Overall
2819
Males
1876
M50-54
87
12M→Finish
12.0 - 13.1 mi
Overall
2855
Males
1893
M50-54
85
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2M | - | - | - | - | #4818 |
| 2M → 4M | 449 | 38 | +411 | #4818 | #4407 |
| 4M → 6M | 235* | 46 | +189 | #4407 | #4218 |
| 6M → 8M | 102* | 269 | -167 | #4218 | #4385 |
| 8M → 9.6M | 361 | 25 | +336 | #4385 | #4049 |
| 9.6M → 10M | 78 | 24 | +54 | #4049 | #3995 |
| 10M → 10.5M | 15 | 3 | +12 | #3995 | #3983 |
| 10.5M → 12M | 241* | 21 | +220 | #3983 | #3763 |
| 12M → Finish | 119* | 9 | +110 | #3763 | #3653 |
| TOTALS | 1600* | 435 | +1165 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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