David Chung

Bib: 7511•M•Age: 48

Burbank, 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 (M45-49)

#0 / 279

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

22:41

Rank: #4668

Start → 2.2 Miles

22:41 | 10:19/mi

2.2 Miles

22:41

Rank: #4668

Start → 2.2 Miles

22:41 | 10:19/mi

5.7 Miles

1:07:10

Rank: #4541 (+127)

2.2 Miles → 5.7 Miles

44:29 | 12:43/mi

5.7 Miles

1:07:10

Rank: #4541 (+127)

2.2 Miles → 5.7 Miles

44:29 | 12:43/mi

6.43 Miles

1:19:15

Rank: #4516 (+25)

5.7 Miles → 6.43 Miles

12:05 | 16:33/mi

6.43 Miles

1:19:15

Rank: #4516 (+25)

5.7 Miles → 6.43 Miles

12:05 | 16:33/mi

10.92 Miles

2:15:39

Rank: #4656 (-140)

6.43 Miles → 10.92 Miles

56:24 | 12:34/mi

10.92 Miles

2:15:39

Rank: #4656 (-140)

6.43 Miles → 10.92 Miles

56:24 | 12:34/mi

Garmin Hill Challenge· 11.42 mi

2:23:14

Rank: #4620 (+36)

10.92 Miles → Garmin Hill Challenge

7:35 | 15:10/mi

Garmin Hill Challenge· 11.42 mi

2:23:14

Rank: #4620 (+36)

10.92 Miles → Garmin Hill Challenge

7:35 | 15:10/mi

14.95 Miles

3:08:25

Rank: #4682 (-62)

Garmin Hill Challenge → 14.95 Miles

45:11 | 12:48/mi

14.95 Miles

3:08:25

Rank: #4682 (-62)

Garmin Hill Challenge → 14.95 Miles

45:11 | 12:48/mi

18 Miles

3:56:23

Rank: #4670 (+12)

14.95 Miles → 18 Miles

47:58 | 15:44/mi

18 Miles

3:56:23

Rank: #4670 (+12)

14.95 Miles → 18 Miles

47:58 | 15:44/mi

24 Miles

5:18:10

Rank: #4555 (+115)

18 Miles → 24 Miles

1:21:47 | 13:38/mi

24 Miles

5:18:10

Rank: #4555 (+115)

18 Miles → 24 Miles

1:21:47 | 13:38/mi

Finish· 26.22 mi

5:44:14

Rank: #4468 (+87)

24 Miles → Finish

26:04 | 11:45/mi

Finish· 26.22 mi

5:44:14

Rank: #4468 (+87)

24 Miles → Finish

26:04 | 11:45/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	05:52:16	22:41	10:19	22:41	10:19	-
5.7 Miles	5.70 mi	06:36:45	1:07:10	11:47	44:29	12:43	+2:24
6.43 Miles	6.43 mi	06:48:50	1:19:15	12:20	12:05	16:33	+3:50
10.92 Miles	10.92 mi	07:45:14	2:15:39	12:25	56:24	12:34	-3:59
Garmin Hill Challenge	11.42 mi	07:52:49	2:23:14	12:33	7:35	15:10	+2:36
14.95 Miles	14.95 mi	08:38:00	3:08:25	12:36	45:11	12:48	-2:22
18 Miles	18.00 mi	09:25:58	3:56:23	13:08	47:58	15:44	+2:56
24 Miles	24.00 mi	10:47:45	5:18:10	13:15	1:21:47	13:38	-2:06
Finish	26.22 mi	11:13:49	5:44:14	13:08	26:04	11:45	-1:53

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

10:19 /mi

Average Pace

13:08 /mi

Slowest Pace

16:33 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:45

14% of race

Time at Steady Pace

3:47:51

66% of race

Time at Slower Pace

1:07:38

20% of race

Average Pace: 13:08 /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	05:52:16	22:41	10:19	22:41	10:19	#4668
5.7 Miles	5.70 mi	06:36:45	1:07:10	11:47	44:29	12:43	#4541
6.43 Miles	6.43 mi	06:48:50	1:19:15	12:20	12:05	16:33	#4516
10.92 Miles	10.92 mi	07:45:14	2:15:39	12:25	56:24	12:34	#4656
Garmin Hill Challenge	11.42 mi	07:52:49	2:23:14	12:33	7:35	15:10	#4620
14.95 Miles	14.95 mi	08:38:00	3:08:25	12:36	45:11	12:48	#4682
18 Miles	18.00 mi	09:25:58	3:56:23	13:08	47:58	15:44	#4670
24 Miles	24.00 mi	10:47:45	5:18:10	13:15	1:21:47	13:38	#4555
Finish	26.22 mi	11:13:49	5:44:14	13:08	26:04	11:45	#4468

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
2.2 Miles	2.20 mi	2.20 mi	4668	3465	265	4668(Top 95%)	3465(Top 97%)	265(Top 95%)
5.7 Miles	5.70 mi	3.50 mi	4541+127	3386+79	260+5	4487(Top 92%)	3350(Top 94%)	257(Top 92%)
6.43 Miles	6.43 mi	0.73 mi	4516+25	3373+13	259+1	4371(Top 89%)	3289(Top 92%)	251(Top 90%)
10.92 Miles	10.92 mi	4.49 mi	4656-140	3462-89	264-5	4730(Top 97%)	3496(Top 98%)	267(Top 96%)
Garmin Hill Challenge	11.42 mi	0.50 mi	4620+36	3442+20	262+2	3866(Top 79%)	2977(Top 83%)	221(Top 79%)
14.95 Miles	14.95 mi	3.53 mi	4682-62	3476-34	268-6	4744(Top 97%)	3497(Top 98%)	270(Top 97%)
18 Miles	18.00 mi	3.05 mi	4670+12	3462+14	266+2	4547(Top 93%)	3357(Top 94%)	262(Top 94%)
24 Miles	24.00 mi	6.00 mi	4555+115	3377+85	264+2	4144(Top 85%)	3049(Top 85%)	241(Top 86%)
Finish	26.22 mi	2.22 mi	4468+87	3317+60	256+8	3285(Top 67%)	2458(Top 69%)	189(Top 68%)

189

Passing Analysis

Category:

Athletes Passed

549*

Passed By

349

Net Change

+200

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2 Miles	-	-	-	-	#4668
2.2 Miles → 5.7 Miles	175*	48	+127	#4668	#4541
5.7 Miles → 6.43 Miles	50	25	+25	#4541	#4516
6.43 Miles → 10.92 Miles	23*	163	-140	#4516	#4656
10.92 Miles → Garmin Hill Challenge	39	3	+36	#4656	#4620
Garmin Hill Challenge → 14.95 Miles	17*	79	-62	#4620	#4682
14.95 Miles → 18 Miles	39*	27	+12	#4682	#4670
18 Miles → 24 Miles	119*	4	+115	#4670	#4555
24 Miles → Finish	87*	0	+87	#4555	#4468
TOTALS	549*	349	+200

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

📊

Passing Visuals

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 8 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

David Chung

⏱️ 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

📈Position Graph

🎨Heatmap Timeline

🔄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