Isaac Cheung

Bib: 2349•M•Age: 17

San Mateo, CA

0:00

0:00

/ mi

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Overall

#0 / 7166

Top 33%

Gender (Male)

#0 / 5052

Top 38%

M19 & Under

#0 / 150

Top 45%

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

16:59

Rank: #1411

Start → 2M

16:59 | 8:29/mi

16:59

Rank: #1411

Start → 2M

16:59 | 8:29/mi

33:45

Rank: #1279 (+132)

2M → 4M

16:46 | 8:23/mi

33:45

Rank: #1279 (+132)

2M → 4M

16:46 | 8:23/mi

50:09

Rank: #1134 (+145)

4M → 6M

16:24 | 8:12/mi

50:09

Rank: #1134 (+145)

4M → 6M

16:24 | 8:12/mi

1:06:37

Rank: #1134

6M → 8M

16:28 | 8:14/mi

1:06:37

Rank: #1134

6M → 8M

16:28 | 8:14/mi

9.6M

1:20:27

Rank: #1109 (+25)

8M → 9.6M

13:50 | 8:39/mi

9.6M

1:20:27

Rank: #1109 (+25)

8M → 9.6M

13:50 | 8:39/mi

10M

1:22:45

Rank: #1110 (-1)

9.6M → 10M

2:18 | 5:45/mi

10M

1:22:45

Rank: #1110 (-1)

9.6M → 10M

2:18 | 5:45/mi

10.5M

1:28:10

Rank: #1089 (+21)

10M → 10.5M

5:25 | 10:50/mi

10.5M

1:28:10

Rank: #1089 (+21)

10M → 10.5M

5:25 | 10:50/mi

12M

1:40:40

Rank: #1135 (-46)

10.5M → 12M

12:30 | 8:20/mi

12M

1:40:40

Rank: #1135 (-46)

10.5M → 12M

12:30 | 8:20/mi

14M

1:58:57

Rank: #1164 (-29)

12M → 14M

18:17 | 9:08/mi

14M

1:58:57

Rank: #1164 (-29)

12M → 14M

18:17 | 9:08/mi

16M

2:12:57

Rank: #1092 (+72)

14M → 16M

14:00 | 7:00/mi

16M

2:12:57

Rank: #1092 (+72)

14M → 16M

14:00 | 7:00/mi

18M

2:36:21

Rank: #1410 (-318)

16M → 18M

23:24 | 11:42/mi

18M

2:36:21

Rank: #1410 (-318)

16M → 18M

23:24 | 11:42/mi

20M

2:58:10

Rank: #1688 (-278)

18M → 20M

21:49 | 10:54/mi

20M

2:58:10

Rank: #1688 (-278)

18M → 20M

21:49 | 10:54/mi

22M

3:19:35

Rank: #1959 (-271)

20M → 22M

21:25 | 10:42/mi

22M

3:19:35

Rank: #1959 (-271)

20M → 22M

21:25 | 10:42/mi

24M

3:46:28

Rank: #2313 (-354)

22M → 24M

26:53 | 13:27/mi

24M

3:46:28

Rank: #2313 (-354)

22M → 24M

26:53 | 13:27/mi

Finish· 26.22 mi

4:10:28

Rank: #2340 (-27)

24M → Finish

24:00 | 10:49/mi

Finish· 26.22 mi

4:10:28

Rank: #2340 (-27)

24M → Finish

24:00 | 10:49/mi

The Course

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Half Splits

1st Half· via 14MFaster

Distance14.00 mi

Time1:58:57

Pace8:30 /mi

2nd Half

Distance12.22 mi

Time2:11:31

Pace10:46 /mi

📊Positive Split: 10.6% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:33:25	16:59	8:29	16:59	8:29	-
4M	4.00 mi	05:50:11	33:45	8:26	16:46	8:23	-0:06
6M	6.00 mi	06:06:35	50:09	8:22	16:24	8:12	-0:11
8M	8.00 mi	06:23:03	1:06:37	8:20	16:28	8:14	+0:02
9.6M	9.60 mi	06:36:53	1:20:27	8:23	13:50	8:39	+0:25
10M	10.00 mi	06:39:11	1:22:45	8:17	2:18	5:45	-2:54
10.5M	10.50 mi	06:44:36	1:28:10	8:24	5:25	10:50	+5:05
12M	12.00 mi	06:57:06	1:40:40	8:23	12:30	8:20	-2:30
14M	14.00 mi	07:15:23	1:58:57	8:30	18:17	9:08	+0:48
16M	16.00 mi	07:29:23	2:12:57	8:19	14:00	7:00	-2:08
18M	18.00 mi	07:52:47	2:36:21	8:41	23:24	11:42	+4:42
20M	20.00 mi	08:14:36	2:58:10	8:54	21:49	10:54	-0:48
22M	22.00 mi	08:36:01	3:19:35	9:04	21:25	10:42	-0:12
24M	24.00 mi	09:02:54	3:46:28	9:26	26:53	13:27	+2:45
Finish	26.22 mi	09:26:54	4:10:28	9:34	24:00	10:49	-2:38

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

5:45 /mi

Average Pace

9:34 /mi

Slowest Pace

13:27 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:18

7% of race

Time at Steady Pace

1:51:14

44% of race

Time at Slower Pace

2:02:56

49% of race

Average Pace: 9:33 /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
2M	2.00 mi	05:33:25	16:59	8:29	16:59	8:29	#1411
4M	4.00 mi	05:50:11	33:45	8:26	16:46	8:23	#1279
6M	6.00 mi	06:06:35	50:09	8:22	16:24	8:12	#1134
8M	8.00 mi	06:23:03	1:06:37	8:20	16:28	8:14	#1134
9.6M	9.60 mi	06:36:53	1:20:27	8:23	13:50	8:39	#1109
10M	10.00 mi	06:39:11	1:22:45	8:17	2:18	5:45	#1110
10.5M	10.50 mi	06:44:36	1:28:10	8:24	5:25	10:50	#1089
12M	12.00 mi	06:57:06	1:40:40	8:23	12:30	8:20	#1135
14M	14.00 mi	07:15:23	1:58:57	8:30	18:17	9:08	#1164
16M	16.00 mi	07:29:23	2:12:57	8:19	14:00	7:00	#1092
18M	18.00 mi	07:52:47	2:36:21	8:41	23:24	11:42	#1410
20M	20.00 mi	08:14:36	2:58:10	8:54	21:49	10:54	#1688
22M	22.00 mi	08:36:01	3:19:35	9:04	21:25	10:42	#1959
24M	24.00 mi	09:02:54	3:46:28	9:26	26:53	13:27	#2313
Finish	26.22 mi	09:26:54	4:10:28	9:34	24:00	10:49	#2340

Faster pace

Steady pace

Slower pace

Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 14%

Garmin Challenge

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

7:43

Segment Time

8:35/mi

Pace

0.90 mi

Distance

Overall

1008

Men

899

Division

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M19 & Under	Seg. Overall	Seg. Males	Seg. M19 & Under
2M	2.00 mi	2.00 mi	1411	1232	49	1824(Top 25%)	1537(Top 30%)	68(Top 45%)
4M	4.00 mi	2.00 mi	1279+132	1119+113	47+2	1164(Top 16%)	1023(Top 20%)	44(Top 29%)
6M	6.00 mi	2.00 mi	1134+145	999+120	44+3	948(Top 13%)	849(Top 17%)	38(Top 25%)
8M	8.00 mi	2.00 mi	1134	1002-3	44	1155(Top 16%)	1010(Top 20%)	42(Top 28%)
9.6M	9.60 mi	1.60 mi	1109+25	982+20	44	1145(Top 16%)	1017(Top 20%)	42(Top 28%)
10M	10.00 mi	0.40 mi	1110-1	988-6	44	1194(Top 17%)	1045(Top 21%)	43(Top 29%)
10.5M	10.50 mi	0.50 mi	1089+21	965+23	42+2	1045(Top 15%)	924(Top 18%)	39(Top 26%)
12M	12.00 mi	1.50 mi	1135-46	1003-38	43-1	1824(Top 25%)	1537(Top 30%)	68(Top 45%)
14M	14.00 mi	2.00 mi	1164-29	1024-21	43	1362(Top 19%)	1184(Top 23%)	53(Top 35%)
16M	16.00 mi	2.00 mi	1092+72	964+60	38+5	935(Top 13%)	808(Top 16%)	39(Top 26%)
18M	18.00 mi	2.00 mi	1410-318	1216-252	56-18	4165(Top 58%)	3131(Top 62%)	101(Top 67%)
20M	20.00 mi	2.00 mi	1688-278	1434-218	62-6	3603(Top 50%)	2727(Top 54%)	92(Top 61%)
22M	22.00 mi	2.00 mi	1959-271	1635-201	63-1	3954(Top 55%)	2901(Top 57%)	92(Top 61%)
24M	24.00 mi	2.00 mi	2313-354	1893-258	70-7	5162(Top 72%)	3684(Top 73%)	109(Top 73%)
Finish	26.22 mi	2.22 mi	2340-27	1904-11	68+2	3258(Top 45%)	2389(Top 47%)	85(Top 57%)

M15-19

101

18M→20M

18.0 - 20.0 mi

Top 50%

×3stories

+52ft-26ft

Overall

3603

Males

2727

M15-19

20M→22M

20.0 - 22.0 mi

Top 55%

×21stories

+17ft-266ft

Overall

3954

Males

2901

M15-19

22M→24M

22.0 - 24.0 mi

Top 72%

×3stories

+70ft-85ft

Overall

5162

Males

3684

M15-19

109

24M→Finish

24.0 - 26.2 mi

Top 45%

~flat

+2ft-2ft

Overall

3258

Males

2389

M15-19

Passing Analysis

Category:

Athletes Passed

613*

Passed By

1542

Net Change

-929

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#1411
2M → 4M	151	19	+132	#1411	#1279
4M → 6M	148	3	+145	#1279	#1134
6M → 8M	27*	27	0	#1134	#1134
8M → 9.6M	50	25	+25	#1134	#1109
9.6M → 10M	11	12	-1	#1109	#1110
10M → 10.5M	23	2	+21	#1110	#1089
10.5M → 12M	11	57	-46	#1089	#1135
12M → 14M	14*	43	-29	#1135	#1164
14M → 16M	92*	20	+72	#1164	#1092
16M → 18M	3	321	-318	#1092	#1410
18M → 20M	11*	289	-278	#1410	#1688
20M → 22M	13*	284	-271	#1688	#1959
22M → 24M	7*	361	-354	#1959	#2313
24M → Finish	52*	79	-27	#2313	#2340
TOTALS	613*	1542	-929

* 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 12 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

Isaac Cheung

⏱️ Race Timeline

The Course

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

🔥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