David Silberstein

Bib: 3577•M•Age: 36

South San Francisco, CA

0:00

0:00

/ mi

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Overall

#0 / 7166

Gender (Male)

#0 / 5052

Division (M35-39)

#0 / 717

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

18:39

Rank: #2979

Start → 2M

18:39 | 9:19/mi

18:39

Rank: #2979

Start → 2M

18:39 | 9:19/mi

37:13

Rank: #2892 (+87)

2M → 4M

18:34 | 9:17/mi

37:13

Rank: #2892 (+87)

2M → 4M

18:34 | 9:17/mi

55:41

Rank: #2801 (+91)

4M → 6M

18:28 | 9:14/mi

55:41

Rank: #2801 (+91)

4M → 6M

18:28 | 9:14/mi

1:14:28

Rank: #2894 (-93)

6M → 8M

18:47 | 9:23/mi

1:14:28

Rank: #2894 (-93)

6M → 8M

18:47 | 9:23/mi

9.6M

1:30:40

Rank: #2958 (-64)

8M → 9.6M

16:12 | 10:07/mi

9.6M

1:30:40

Rank: #2958 (-64)

8M → 9.6M

16:12 | 10:07/mi

10M

1:33:17

Rank: #2951 (+7)

9.6M → 10M

2:37 | 6:33/mi

10M

1:33:17

Rank: #2951 (+7)

9.6M → 10M

2:37 | 6:33/mi

10.5M

1:39:10

Rank: #2863 (+88)

10M → 10.5M

5:53 | 11:46/mi

10.5M

1:39:10

Rank: #2863 (+88)

10M → 10.5M

5:53 | 11:46/mi

12M

1:54:18

Rank: #3018 (-155)

10.5M → 12M

15:08 | 10:05/mi

12M

1:54:18

Rank: #3018 (-155)

10.5M → 12M

15:08 | 10:05/mi

14M

2:15:17

Rank: #3042 (-24)

12M → 14M

20:59 | 10:29/mi

14M

2:15:17

Rank: #3042 (-24)

12M → 14M

20:59 | 10:29/mi

16M

2:38:35

Rank: #3536 (-494)

14M → 16M

23:18 | 11:39/mi

16M

2:38:35

Rank: #3536 (-494)

14M → 16M

23:18 | 11:39/mi

18M

3:01:53

Rank: #3577 (-41)

16M → 18M

23:18 | 11:39/mi

18M

3:01:53

Rank: #3577 (-41)

16M → 18M

23:18 | 11:39/mi

20M

3:25:10

Rank: #3671 (-94)

18M → 20M

23:17 | 11:38/mi

20M

3:25:10

Rank: #3671 (-94)

18M → 20M

23:17 | 11:38/mi

22M

3:47:24

Rank: #3725 (-54)

20M → 22M

22:14 | 11:07/mi

22M

3:47:24

Rank: #3725 (-54)

20M → 22M

22:14 | 11:07/mi

24M

4:13:12

Rank: #3835 (-110)

22M → 24M

25:48 | 12:54/mi

24M

4:13:12

Rank: #3835 (-110)

22M → 24M

25:48 | 12:54/mi

Finish· 26.22 mi

4:39:19

Rank: #3867 (-32)

24M → Finish

26:07 | 11:46/mi

Finish· 26.22 mi

4:39:19

Rank: #3867 (-32)

24M → Finish

26:07 | 11:46/mi

Course Map & Elevation

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Half Splits

1st Half· via 14MFaster

Distance14.00 mi

Time2:15:17

Pace9:40 /mi

2nd Half

Distance12.22 mi

Time2:24:02

Pace11:47 /mi

📊Positive Split: 6.5% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:46:49	18:39	9:19	18:39	9:19	-
4M	4.00 mi	06:05:23	37:13	9:18	18:34	9:17	-0:02
6M	6.00 mi	06:23:51	55:41	9:17	18:28	9:14	-0:03
8M	8.00 mi	06:42:38	1:14:28	9:18	18:47	9:23	+0:09
9.6M	9.60 mi	06:58:50	1:30:40	9:27	16:12	10:07	+0:44
10M	10.00 mi	07:01:27	1:33:17	9:20	2:37	6:33	-3:34
10.5M	10.50 mi	07:07:20	1:39:10	9:27	5:53	11:46	+5:13
12M	12.00 mi	07:22:28	1:54:18	9:32	15:08	10:05	-1:41
14M	14.00 mi	07:43:27	2:15:17	9:40	20:59	10:29	+0:24
16M	16.00 mi	08:06:45	2:38:35	9:55	23:18	11:39	+1:10
18M	18.00 mi	08:30:03	3:01:53	10:06	23:18	11:39	0:00
20M	20.00 mi	08:53:20	3:25:10	10:15	23:17	11:38	-0:01
22M	22.00 mi	09:15:34	3:47:24	10:20	22:14	11:07	-0:31
24M	24.00 mi	09:41:22	4:13:12	10:33	25:48	12:54	+1:47
Finish	26.22 mi	10:07:29	4:39:19	10:40	26:07	11:46	-1:08

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

6:33 /mi

Average Pace

10:40 /mi

Slowest Pace

12:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:17:05

28% of race

Time at Steady Pace

1:14:33

27% of race

Time at Slower Pace

2:07:41

46% of race

Average Pace: 10:39 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
2M	2.00 mi	05:46:49	18:39	9:19	18:39	9:19	#2979
4M	4.00 mi	06:05:23	37:13	9:18	18:34	9:17	#2892
6M	6.00 mi	06:23:51	55:41	9:17	18:28	9:14	#2801
8M	8.00 mi	06:42:38	1:14:28	9:18	18:47	9:23	#2894
9.6M	9.60 mi	06:58:50	1:30:40	9:27	16:12	10:07	#2958
10M	10.00 mi	07:01:27	1:33:17	9:20	2:37	6:33	#2951
10.5M	10.50 mi	07:07:20	1:39:10	9:27	5:53	11:46	#2863
12M	12.00 mi	07:22:28	1:54:18	9:32	15:08	10:05	#3018
14M	14.00 mi	07:43:27	2:15:17	9:40	20:59	10:29	#3042
16M	16.00 mi	08:06:45	2:38:35	9:55	23:18	11:39	#3536
18M	18.00 mi	08:30:03	3:01:53	10:06	23:18	11:39	#3577
20M	20.00 mi	08:53:20	3:25:10	10:15	23:17	11:38	#3671
22M	22.00 mi	09:15:34	3:47:24	10:20	22:14	11:07	#3725
24M	24.00 mi	09:41:22	4:13:12	10:33	25:48	12:54	#3835
Finish	26.22 mi	10:07:29	4:39:19	10:40	26:07	11:46	#3867

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 31%

Garmin Challenge

Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:30

Segment Time

9:27/mi

Pace

0.90 mi

Distance

Overall

2199

Men

1861

Division

255

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
2M	2.00 mi	2.00 mi	2979	2438	324	4237(Top 59%)	3299(Top 65%)	447(Top 62%)
4M	4.00 mi	2.00 mi	2892+87	2379+59	315+9	2850(Top 40%)	2351(Top 47%)	319(Top 44%)
6M	6.00 mi	2.00 mi	2801+91	2309+70	309+6	2728(Top 38%)	2255(Top 45%)	303(Top 42%)
8M	8.00 mi	2.00 mi	2894-93	2387-78	315-6	3203(Top 45%)	2614(Top 52%)	353(Top 49%)
9.6M	9.60 mi	1.60 mi	2958-64	2430-43	322-7	3303(Top 46%)	2668(Top 53%)	361(Top 50%)
10M	10.00 mi	0.40 mi	2951+7	2427+3	323-1	3008(Top 42%)	2462(Top 49%)	346(Top 48%)
10.5M	10.50 mi	0.50 mi	2863+88	2356+71	314+9	2021(Top 28%)	1717(Top 34%)	233(Top 32%)
12M	12.00 mi	1.50 mi	3018-155	2483-127	338-24	4237(Top 59%)	3299(Top 65%)	447(Top 62%)
14M	14.00 mi	2.00 mi	3042-24	2498-15	334+4	3302(Top 46%)	2655(Top 53%)	365(Top 51%)
16M	16.00 mi	2.00 mi	3536-494	2833-335	391-57	5981(Top 83%)	4329(Top 86%)	615(Top 86%)
18M	18.00 mi	2.00 mi	3577-41	2843-10	395-4	4116(Top 57%)	3104(Top 61%)	436(Top 61%)
20M	20.00 mi	2.00 mi	3671-94	2889-46	402-7	4490(Top 63%)	3298(Top 65%)	472(Top 66%)
22M	22.00 mi	2.00 mi	3725-54	2902-13	410-8	4374(Top 61%)	3166(Top 63%)	459(Top 64%)
24M	24.00 mi	2.00 mi	3835-110	2961-59	417-7	4692(Top 65%)	3366(Top 67%)	488(Top 68%)
Finish	26.22 mi	2.22 mi	3867-32	2970-9	421-4	4344(Top 61%)	3138(Top 62%)	451(Top 63%)

451

Passing Analysis

Category:

Athletes Passed

750*

Passed By

1638

Net Change

-888

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#2979
2M → 4M	162*	75	+87	#2979	#2892
4M → 6M	129	38	+91	#2892	#2801
6M → 8M	33*	126	-93	#2801	#2894
8M → 9.6M	32*	96	-64	#2894	#2958
9.6M → 10M	15	8	+7	#2958	#2951
10M → 10.5M	90	2	+88	#2951	#2863
10.5M → 12M	12	167	-155	#2863	#3018
12M → 14M	35*	59	-24	#3018	#3042
14M → 16M	10*	504	-494	#3042	#3536
16M → 18M	74	115	-41	#3536	#3577
18M → 20M	35*	129	-94	#3577	#3671
20M → 22M	40*	94	-54	#3671	#3725
22M → 24M	38*	148	-110	#3725	#3835
24M → Finish	45*	77	-32	#3835	#3867
TOTALS	750*	1638	-888

* 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 5 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

The San Francisco Marathon

Race timed by

Race Place Events

David Silberstein

⏱️ Race Timeline

Course Map & Elevation

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

Half Splits

Checkpoint Splits

Checkpoints & Pacing

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Garmin Challenge

Checkpoint and Segment Rankings

Segment Performance Analysis

10.5M→12M

2M→4M

4M→6M

6M→8M

8M→9.6M

9.6M→10M

10M→10.5M

10.5M→12M

12M→14M

14M→16M

16M→18M

18M→20M

20M→22M

22M→24M

24M→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