Justin Sung

Bib: 6412•M•Age: 31

Boston, MA

0:00

0:00

/ mi

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Overall

#0 / 4888

Gender (Male)

#0 / 3570

Division (M30-34)

#0 / 692

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

22:46

Rank: #4688

Start → 2.2 Miles

22:46 | 10:21/mi

2.2 Miles

22:46

Rank: #4688

Start → 2.2 Miles

22:46 | 10:21/mi

5.7 Miles

1:06:30

Rank: #4483 (+205)

2.2 Miles → 5.7 Miles

43:44 | 12:30/mi

5.7 Miles

1:06:30

Rank: #4483 (+205)

2.2 Miles → 5.7 Miles

43:44 | 12:30/mi

6.43 Miles

1:19:39

Rank: #4554 (-71)

5.7 Miles → 6.43 Miles

13:09 | 18:01/mi

6.43 Miles

1:19:39

Rank: #4554 (-71)

5.7 Miles → 6.43 Miles

13:09 | 18:01/mi

10.92 Miles

2:15:28

Rank: #4647 (-93)

6.43 Miles → 10.92 Miles

55:49 | 12:26/mi

10.92 Miles

2:15:28

Rank: #4647 (-93)

6.43 Miles → 10.92 Miles

55:49 | 12:26/mi

Garmin Hill Challenge· 11.42 mi

2:23:50

Rank: #4645 (+2)

10.92 Miles → Garmin Hill Challenge

8:22 | 16:44/mi

Garmin Hill Challenge· 11.42 mi

2:23:50

Rank: #4645 (+2)

10.92 Miles → Garmin Hill Challenge

8:22 | 16:44/mi

14.95 Miles

3:06:44

Rank: #4640 (+5)

Garmin Hill Challenge → 14.95 Miles

42:54 | 12:09/mi

14.95 Miles

3:06:44

Rank: #4640 (+5)

Garmin Hill Challenge → 14.95 Miles

42:54 | 12:09/mi

18 Miles

3:54:05

Rank: #4632 (+8)

14.95 Miles → 18 Miles

47:21 | 15:32/mi

18 Miles

3:54:05

Rank: #4632 (+8)

14.95 Miles → 18 Miles

47:21 | 15:32/mi

24 Miles

5:26:34

Rank: #4660 (-28)

18 Miles → 24 Miles

1:32:29 | 15:25/mi

24 Miles

5:26:34

Rank: #4660 (-28)

18 Miles → 24 Miles

1:32:29 | 15:25/mi

Finish· 26.22 mi

6:00:46

Rank: #4663 (-3)

24 Miles → Finish

34:12 | 15:25/mi

Finish· 26.22 mi

6:00:46

Rank: #4663 (-3)

24 Miles → Finish

34:12 | 15:25/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	05:52:51	22:46	10:21	22:46	10:21	-
5.7 Miles	5.70 mi	06:36:35	1:06:30	11:40	43:44	12:30	+2:09
6.43 Miles	6.43 mi	06:49:44	1:19:39	12:23	13:09	18:01	+5:31
10.92 Miles	10.92 mi	07:45:33	2:15:28	12:24	55:49	12:26	-5:35
Garmin Hill Challenge	11.42 mi	07:53:55	2:23:50	12:36	8:22	16:44	+4:18
14.95 Miles	14.95 mi	08:36:49	3:06:44	12:29	42:54	12:09	-4:35
18 Miles	18.00 mi	09:24:10	3:54:05	13:00	47:21	15:32	+3:23
24 Miles	24.00 mi	10:56:39	5:26:34	13:36	1:32:29	15:25	-0:07
Finish	26.22 mi	11:30:51	6:00:46	13:46	34:12	15:25	0:00

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

10:21 /mi

Average Pace

13:46 /mi

Slowest Pace

18:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:13

46% of race

Time at Steady Pace

2:54:02

48% of race

Time at Slower Pace

21:31

6% of race

Average Pace: 13:46 /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	05:52:51	22:46	10:21	22:46	10:21	#4688
5.7 Miles	5.70 mi	06:36:35	1:06:30	11:40	43:44	12:30	#4483
6.43 Miles	6.43 mi	06:49:44	1:19:39	12:23	13:09	18:01	#4554
10.92 Miles	10.92 mi	07:45:33	2:15:28	12:24	55:49	12:26	#4647
Garmin Hill Challenge	11.42 mi	07:53:55	2:23:50	12:36	8:22	16:44	#4645
14.95 Miles	14.95 mi	08:36:49	3:06:44	12:29	42:54	12:09	#4640
18 Miles	18.00 mi	09:24:10	3:54:05	13:00	47:21	15:32	#4632
24 Miles	24.00 mi	10:56:39	5:26:34	13:36	1:32:29	15:25	#4660
Finish	26.22 mi	11:30:51	6:00:46	13:46	34:12	15:25	#4663

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
2.2 Miles	2.20 mi	2.20 mi	4688	3480	667	4688(Top 96%)	3480(Top 97%)	667(Top 96%)
5.7 Miles	5.70 mi	3.50 mi	4483+205	3353+127	646+21	4363(Top 89%)	3278(Top 92%)	629(Top 91%)
6.43 Miles	6.43 mi	0.73 mi	4554-71	3396-43	657-11	4740(Top 97%)	3510(Top 98%)	677(Top 98%)
10.92 Miles	10.92 mi	4.49 mi	4647-93	3456-60	670-13	4697(Top 96%)	3479(Top 97%)	668(Top 97%)
Garmin Hill Challenge	11.42 mi	0.50 mi	4645+2	3459-3	670	4337(Top 89%)	3259(Top 91%)	632(Top 91%)
14.95 Miles	14.95 mi	3.53 mi	4640+5	3450+9	671-1	4643(Top 95%)	3435(Top 96%)	659(Top 95%)
18 Miles	18.00 mi	3.05 mi	4632+8	3441+9	668+3	4494(Top 92%)	3324(Top 93%)	647(Top 93%)
24 Miles	24.00 mi	6.00 mi	4660-28	3443-2	673-5	4658(Top 95%)	3411(Top 96%)	658(Top 95%)
Finish	26.22 mi	2.22 mi	4663-3	3443	673	4579(Top 94%)	3352(Top 94%)	650(Top 94%)

650

Passing Analysis

Category:

Athletes Passed

411*

Passed By

386

Net Change

+25

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2 Miles	-	-	-	-	#4688
2.2 Miles → 5.7 Miles	230*	25	+205	#4688	#4483
5.7 Miles → 6.43 Miles	8	79	-71	#4483	#4554
6.43 Miles → 10.92 Miles	31*	124	-93	#4554	#4647
10.92 Miles → Garmin Hill Challenge	18	16	+2	#4647	#4645
Garmin Hill Challenge → 14.95 Miles	38*	33	+5	#4645	#4640
14.95 Miles → 18 Miles	37*	29	+8	#4640	#4632
18 Miles → 24 Miles	37*	65	-28	#4632	#4660
24 Miles → Finish	12*	15	-3	#4660	#4663
TOTALS	411*	386	+25

* 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 Sung

⏱️ 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