Justin Hsiao

Bib: 5723•M•Age: 41

Palo Alto, CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 4888

Gender (Male)

#0 / 3570

Masters (Masters Men)

#0 / 1128

Division (M40-44)

#0 / 341

Race Day Weather

69°/59°F

broken clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

2.2 Miles

18:47

Rank: #2793

Start → 2.2 Miles

18:47 | 8:32/mi

2.2 Miles

18:47

Rank: #2793

Start → 2.2 Miles

18:47 | 8:32/mi

5.7 Miles

55:28

Rank: #2775 (+18)

2.2 Miles → 5.7 Miles

36:41 | 10:29/mi

5.7 Miles

55:28

Rank: #2775 (+18)

2.2 Miles → 5.7 Miles

36:41 | 10:29/mi

6.43 Miles

1:05:22

Rank: #2742 (+33)

5.7 Miles → 6.43 Miles

9:54 | 13:34/mi

6.43 Miles

1:05:22

Rank: #2742 (+33)

5.7 Miles → 6.43 Miles

9:54 | 13:34/mi

10.92 Miles

1:47:35

Rank: #2679 (+63)

6.43 Miles → 10.92 Miles

42:13 | 9:24/mi

10.92 Miles

1:47:35

Rank: #2679 (+63)

6.43 Miles → 10.92 Miles

42:13 | 9:24/mi

Garmin Hill Challenge· 11.42 mi

1:53:39

Rank: #2658 (+21)

10.92 Miles → Garmin Hill Challenge

6:04 | 12:08/mi

Garmin Hill Challenge· 11.42 mi

1:53:39

Rank: #2658 (+21)

10.92 Miles → Garmin Hill Challenge

6:04 | 12:08/mi

14.95 Miles

2:24:59

Rank: #2582 (+76)

Garmin Hill Challenge → 14.95 Miles

31:20 | 8:53/mi

14.95 Miles

2:24:59

Rank: #2582 (+76)

Garmin Hill Challenge → 14.95 Miles

31:20 | 8:53/mi

18 Miles

2:59:56

Rank: #2547 (+35)

14.95 Miles → 18 Miles

34:57 | 11:28/mi

18 Miles

2:59:56

Rank: #2547 (+35)

14.95 Miles → 18 Miles

34:57 | 11:28/mi

24 Miles

4:09:12

Rank: #2672 (-125)

18 Miles → 24 Miles

1:09:16 | 11:33/mi

24 Miles

4:09:12

Rank: #2672 (-125)

18 Miles → 24 Miles

1:09:16 | 11:33/mi

Finish· 26.22 mi

4:34:10

Rank: #2709 (-37)

24 Miles → Finish

24:58 | 11:15/mi

Finish· 26.22 mi

4:34:10

Rank: #2709 (-37)

24 Miles → Finish

24:58 | 11:15/mi

The Course

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Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2.2 Miles	2.20 mi	05:47:36	18:47	8:32	18:47	8:32	-
5.7 Miles	5.70 mi	06:24:17	55:28	9:44	36:41	10:29	+1:57
6.43 Miles	6.43 mi	06:34:11	1:05:22	10:10	9:54	13:34	+3:05
10.92 Miles	10.92 mi	07:16:24	1:47:35	9:51	42:13	9:24	-4:10
Garmin Hill Challenge	11.42 mi	07:22:28	1:53:39	9:57	6:04	12:08	+2:44
14.95 Miles	14.95 mi	07:53:48	2:24:59	9:42	31:20	8:53	-3:15
18 Miles	18.00 mi	08:28:45	2:59:56	10:00	34:57	11:28	+2:35
24 Miles	24.00 mi	09:38:01	4:09:12	10:23	1:09:16	11:33	+0:05
Finish	26.22 mi	10:02:59	4:34:10	10:28	24:58	11:15	-0:18

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

8:32 /mi

Average Pace

10:28 /mi

Slowest Pace

13:34 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:20

34% of race

Time at Steady Pace

2:45:52

60% of race

Time at Slower Pace

15:58

6% of race

Average Pace: 10:27 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨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.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

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	Rank
2.2 Miles	2.20 mi	05:47:36	18:47	8:32	18:47	8:32	#2793
5.7 Miles	5.70 mi	06:24:17	55:28	9:44	36:41	10:29	#2775
6.43 Miles	6.43 mi	06:34:11	1:05:22	10:10	9:54	13:34	#2742
10.92 Miles	10.92 mi	07:16:24	1:47:35	9:51	42:13	9:24	#2679
Garmin Hill Challenge	11.42 mi	07:22:28	1:53:39	9:57	6:04	12:08	#2658
14.95 Miles	14.95 mi	07:53:48	2:24:59	9:42	31:20	8:53	#2582
18 Miles	18.00 mi	08:28:45	2:59:56	10:00	34:57	11:28	#2547
24 Miles	24.00 mi	09:38:01	4:09:12	10:23	1:09:16	11:33	#2672
Finish	26.22 mi	10:02:59	4:34:10	10:28	24:58	11:15	#2709

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
2.2 Miles	2.20 mi	2.20 mi	2793	2243	213	2793(Top 57%)	2243(Top 63%)	213(Top 62%)
5.7 Miles	5.70 mi	3.50 mi	2775+18	2241+2	215-2	2816(Top 58%)	2273(Top 64%)	213(Top 62%)
6.43 Miles	6.43 mi	0.73 mi	2742+33	2218+23	211+4	2629(Top 54%)	2147(Top 60%)	203(Top 60%)
10.92 Miles	10.92 mi	4.49 mi	2679+63	2183+35	205+6	2650(Top 54%)	2167(Top 61%)	204(Top 60%)
Garmin Hill Challenge	11.42 mi	0.50 mi	2658+21	2169+14	205	2456(Top 50%)	2025(Top 57%)	186(Top 55%)
14.95 Miles	14.95 mi	3.53 mi	2582+76	2112+57	200+5	2390(Top 49%)	1957(Top 55%)	187(Top 55%)
18 Miles	18.00 mi	3.05 mi	2547+35	2083+29	197+3	2564(Top 52%)	2060(Top 58%)	198(Top 58%)
24 Miles	24.00 mi	6.00 mi	2672-125	2141-58	200-3	2991(Top 61%)	2279(Top 64%)	215(Top 63%)
Finish	26.22 mi	2.22 mi	2709-37	2155-14	201-1	2945(Top 60%)	2227(Top 62%)	207(Top 61%)

207

Passing Analysis

Category:

Athletes Passed

698*

Passed By

614

Net Change

+84

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2 Miles	-	-	-	-	#2793
2.2 Miles → 5.7 Miles	170*	152	+18	#2793	#2775
5.7 Miles → 6.43 Miles	54	21	+33	#2775	#2742
6.43 Miles → 10.92 Miles	120*	57	+63	#2742	#2679
10.92 Miles → Garmin Hill Challenge	42	21	+21	#2679	#2658
Garmin Hill Challenge → 14.95 Miles	97	21	+76	#2658	#2582
14.95 Miles → 18 Miles	104*	69	+35	#2582	#2547
18 Miles → 24 Miles	84*	209	-125	#2547	#2672
24 Miles → Finish	27*	64	-37	#2672	#2709
TOTALS	698*	614	+84

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

🔥Passing Intensity

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 11 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

The San Francisco Marathon

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Race Place Events

Justin Hsiao

⏱️ Race Timeline

The Course

Claim it — unlock a deeper AI report on this race, free

Checkpoint Splits

Checkpoints & Pacing

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

Start → 2.2 Miles

2.2 Miles→5.7 Miles

5.7 Miles→6.43 Miles

6.43 Miles→10.92 Miles

10.92 Miles→Garmin Hill Challenge

Garmin Hill Challenge→14.95 Miles

14.95 Miles→18 Miles

18 Miles→24 Miles

24 Miles→Finish

Passing Analysis

Passing Visuals

🔥Passing Intensity

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Age Grade

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data