Alexander Pfister
Bib: 9979•M•Age: 27
SPRING VALLEY, CA
⏱️ Race Timeline
The Course
Claim it — unlock a deeper AI report on this race, free
A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.81 Miles | 1.81 mi | 05:56:48 | 14:28 | 8:00 | 14:28 | 8:00 | - |
5.55 Miles | 5.55 mi | 06:25:54 | 43:34 | 7:51 | 29:06 | 7:47 | -0:13 |
6.52 Miles | 6.52 mi | 06:33:53 | 51:33 | 7:54 | 7:59 | 8:14 | +0:27 |
10.87 Miles | 10.87 mi | 07:09:13 | 1:26:53 | 8:00 | 35:20 | 8:07 | -0:07 |
Garmin Hill Challenge | 11.38 mi | 07:13:52 | 1:31:32 | 8:03 | 4:39 | 9:08 | +1:01 |
14.95 Miles | 14.95 mi | 07:38:21 | 1:56:01 | 7:46 | 24:29 | 6:51 | -2:17 |
18 Miles | 18.00 mi | 08:03:29 | 2:21:09 | 7:51 | 25:08 | 8:14 | +1:23 |
25 Miles | 25.00 mi | 08:57:18 | 3:14:58 | 7:48 | 53:49 | 7:41 | -0:33 |
Finish | 26.22 mi | 09:07:08 | 3:24:48 | 7:49 | 9:50 | 8:04 | +0:23 |
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
6:51 /mi
Average Pace
7:49 /mi
Slowest Pace
9:08 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:47:24
52% of race
Time at Steady Pace
1:32:45
45% of race
Time at Slower Pace
4:39
2% of race
Average Pace: 7:49 /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 |
|---|---|---|---|---|---|---|---|---|
1.81 Miles | 1.81 mi | 05:56:48 | 14:28 | 8:00 | 14:28 | 8:00 | #886 | |
5.55 Miles | 5.55 mi | 06:25:54 | 43:34 | 7:51 | 29:06 | 7:47 | #697 | |
6.52 Miles | 6.52 mi | 06:33:53 | 51:33 | 7:54 | 7:59 | 8:14 | #688 | |
10.87 Miles | 10.87 mi | 07:09:13 | 1:26:53 | 8:00 | 35:20 | 8:07 | #786 | |
Garmin Hill Challenge | 11.38 mi | 07:13:52 | 1:31:32 | 8:03 | 4:39 | 9:08 | #744 | |
14.95 Miles | 14.95 mi | 07:38:21 | 1:56:01 | 7:46 | 24:29 | 6:51 | #653 | |
18 Miles | 18.00 mi | 08:03:29 | 2:21:09 | 7:51 | 25:08 | 8:14 | #564 | |
25 Miles | 25.00 mi | 08:57:18 | 3:14:58 | 7:48 | 53:49 | 7:41 | #460 | |
Finish | 26.22 mi | 09:07:08 | 3:24:48 | 7:49 | 9:50 | 8:04 | #454 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|---|
| 1.81 Miles | 1.81 mi | 1.81 mi | 886 | 809 | 188 | 886(Top 14%) | 809(Top 17%) | 188(Top 18%) |
| 5.55 Miles | 5.55 mi | 3.74 mi | 697+189 | 641+168 | 152+36 | 619(Top 9%) | 568(Top 12%) | 132(Top 13%) |
| 6.52 Miles | 6.52 mi | 0.97 mi | 688+9 | 632+9 | 150+2 | 679(Top 10%) | 624(Top 13%) | 156(Top 15%) |
| 10.87 Miles | 10.87 mi | 4.35 mi | 786-98 | 717-85 | 173-23 | 935(Top 14%) | 847(Top 18%) | 207(Top 20%) |
| Garmin Hill Challenge | 11.38 mi | 0.51 mi | 744+42 | 681+36 | 167+6 | 447(Top 7%) | 414(Top 9%) | 116(Top 11%) |
| 14.95 Miles | 14.95 mi | 3.57 mi | 653+91 | 599+82 | 150+17 | 491(Top 8%) | 456(Top 10%) | 109(Top 11%) |
| 18 Miles | 18.00 mi | 3.05 mi | 564+89 | 521+78 | 126+24 | 284(Top 4%) | 264(Top 6%) | 66(Top 6%) |
| 25 Miles | 25.00 mi | 7.00 mi | 460+104 | 421+100 | 99+27 | 332(Top 5%) | 299(Top 6%) | 74(Top 7%) |
| Finish | 26.22 mi | 1.22 mi | 454+6 | 415+6 | 100-1 | 483(Top 7%) | 428(Top 9%) | 114(Top 11%) |
Segment Performance Analysis
Start → 1.81 Miles
0.0 - 1.8 mi
Overall
886
Males
809
M25-29
189
1.81 Miles→5.55 Miles
1.8 - 5.5 mi
Overall
619
Males
568
M25-29
133
5.55 Miles→6.52 Miles
5.5 - 6.5 mi
Overall
679
Males
624
M25-29
157
6.52 Miles→10.87 Miles
6.5 - 10.9 mi
Overall
935
Males
847
M25-29
207
10.87 Miles→Garmin Hill Challenge
10.9 - 11.4 mi
Overall
447
Males
414
M25-29
116
Garmin Hill Challenge→14.95 Miles
11.4 - 14.9 mi
Overall
491
Males
456
M25-29
109
14.95 Miles→18 Miles
14.9 - 18.0 mi
Overall
284
Males
264
M25-29
66
18 Miles→25 Miles
18.0 - 25.0 mi
Overall
332
Males
299
M25-29
74
25 Miles→Finish
25.0 - 26.2 mi
Overall
483
Males
428
M25-29
114
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81 Miles | - | - | - | - | #886 |
| 1.81 Miles → 5.55 Miles | 198 | 9 | +189 | #886 | #697 |
| 5.55 Miles → 6.52 Miles | 18 | 9 | +9 | #697 | #688 |
| 6.52 Miles → 10.87 Miles | 23* | 121 | -98 | #688 | #786 |
| 10.87 Miles → Garmin Hill Challenge | 42 | 0 | +42 | #786 | #744 |
| Garmin Hill Challenge → 14.95 Miles | 92 | 1 | +91 | #744 | #653 |
| 14.95 Miles → 18 Miles | 91* | 2 | +89 | #653 | #564 |
| 18 Miles → 25 Miles | 108* | 4 | +104 | #564 | #460 |
| 25 Miles → Finish | 11 | 5 | +6 | #460 | #454 |
| TOTALS | 583* | 151 | +432 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔥Passing Intensity
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
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?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Explore more race data and athlete comparisons
Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
The San Francisco Marathon
