Nathan Chong

Bib: 7548•M•Age: 18

Belmont, CA

0:00

0:00

/ mi

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Overall

#0 / 4888

Top 21%

Gender (Male)

#0 / 3570

Top 26%

M19 & Under

#0 / 66

Top 35%

Race Day Weather

69°/59°F

broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

2.2 Miles

16:09

Rank: #1054

Start → 2.2 Miles

16:09 | 7:20/mi

2.2 Miles

16:09

Rank: #1054

Start → 2.2 Miles

16:09 | 7:20/mi

5.7 Miles

47:50

Rank: #1116 (-62)

2.2 Miles → 5.7 Miles

31:41 | 9:03/mi

5.7 Miles

47:50

Rank: #1116 (-62)

2.2 Miles → 5.7 Miles

31:41 | 9:03/mi

6.43 Miles

56:24

Rank: #1102 (+14)

5.7 Miles → 6.43 Miles

8:34 | 11:44/mi

6.43 Miles

56:24

Rank: #1102 (+14)

5.7 Miles → 6.43 Miles

8:34 | 11:44/mi

10.92 Miles

1:33:25

Rank: #1119 (-17)

6.43 Miles → 10.92 Miles

37:01 | 8:15/mi

10.92 Miles

1:33:25

Rank: #1119 (-17)

6.43 Miles → 10.92 Miles

37:01 | 8:15/mi

Garmin Hill Challenge· 11.42 mi

1:38:14

Rank: #1079 (+40)

10.92 Miles → Garmin Hill Challenge

4:49 | 9:38/mi

Garmin Hill Challenge· 11.42 mi

1:38:14

Rank: #1079 (+40)

10.92 Miles → Garmin Hill Challenge

4:49 | 9:38/mi

14.95 Miles

2:04:59

Rank: #1012 (+67)

Garmin Hill Challenge → 14.95 Miles

26:45 | 7:35/mi

14.95 Miles

2:04:59

Rank: #1012 (+67)

Garmin Hill Challenge → 14.95 Miles

26:45 | 7:35/mi

18 Miles

2:33:30

Rank: #964 (+48)

14.95 Miles → 18 Miles

28:31 | 9:21/mi

18 Miles

2:33:30

Rank: #964 (+48)

14.95 Miles → 18 Miles

28:31 | 9:21/mi

24 Miles

3:29:42

Rank: #1037 (-73)

18 Miles → 24 Miles

56:12 | 9:22/mi

24 Miles

3:29:42

Rank: #1037 (-73)

18 Miles → 24 Miles

56:12 | 9:22/mi

Finish· 26.22 mi

3:50:07

Rank: #1045 (-8)

24 Miles → Finish

20:25 | 9:12/mi

Finish· 26.22 mi

3:50:07

Rank: #1045 (-8)

24 Miles → Finish

20:25 | 9:12/mi

Course Map & Elevation

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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	05:46:40	16:09	7:20	16:09	7:20	-
5.7 Miles	5.70 mi	06:18:21	47:50	8:24	31:41	9:03	+1:43
6.43 Miles	6.43 mi	06:26:55	56:24	8:46	8:34	11:44	+2:41
10.92 Miles	10.92 mi	07:03:56	1:33:25	8:33	37:01	8:15	-3:29
Garmin Hill Challenge	11.42 mi	07:08:45	1:38:14	8:36	4:49	9:38	+1:23
14.95 Miles	14.95 mi	07:35:30	2:04:59	8:22	26:45	7:35	-2:03
18 Miles	18.00 mi	08:04:01	2:33:30	8:32	28:31	9:21	+1:46
24 Miles	24.00 mi	09:00:13	3:29:42	8:44	56:12	9:22	+0:01
Finish	26.22 mi	09:20:38	3:50:07	8:47	20:25	9:12	-0:10

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

7:20 /mi

Average Pace

8:47 /mi

Slowest Pace

11:44 /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

1:19:55

35% of race

Time at Steady Pace

2:21:38

62% of race

Time at Slower Pace

8:34

4% of race

Average Pace: 8:47 /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
2.2 Miles	2.20 mi	05:46:40	16:09	7:20	16:09	7:20	#1054
5.7 Miles	5.70 mi	06:18:21	47:50	8:24	31:41	9:03	#1116
6.43 Miles	6.43 mi	06:26:55	56:24	8:46	8:34	11:44	#1102
10.92 Miles	10.92 mi	07:03:56	1:33:25	8:33	37:01	8:15	#1119
Garmin Hill Challenge	11.42 mi	07:08:45	1:38:14	8:36	4:49	9:38	#1079
14.95 Miles	14.95 mi	07:35:30	2:04:59	8:22	26:45	7:35	#1012
18 Miles	18.00 mi	08:04:01	2:33:30	8:32	28:31	9:21	#964
24 Miles	24.00 mi	09:00:13	3:29:42	8:44	56:12	9:22	#1037
Finish	26.22 mi	09:20:38	3:50:07	8:47	20:25	9:12	#1045

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M19 & Under	Seg. Overall	Seg. Males	Seg. M19 & Under
2.2 Miles	2.20 mi	2.20 mi	1054	928	28	1054(Top 22%)	928(Top 26%)	28(Top 42%)
5.7 Miles	5.70 mi	3.50 mi	1116-62	993-65	26+2	1169(Top 24%)	1038(Top 29%)	28(Top 42%)
6.43 Miles	6.43 mi	0.73 mi	1102+14	984+9	28-2	1054(Top 22%)	935(Top 26%)	26(Top 39%)
10.92 Miles	10.92 mi	4.49 mi	1119-17	999-15	29-1	1208(Top 25%)	1068(Top 30%)	30(Top 45%)
Garmin Hill Challenge	11.42 mi	0.50 mi	1079+40	963+36	28+1	526(Top 11%)	492(Top 14%)	19(Top 29%)
14.95 Miles	14.95 mi	3.53 mi	1012+67	906+57	27+1	893(Top 18%)	808(Top 23%)	23(Top 35%)
18 Miles	18.00 mi	3.05 mi	964+48	865+41	25+2	846(Top 17%)	768(Top 22%)	21(Top 32%)
24 Miles	24.00 mi	6.00 mi	1037-73	913-48	24+1	1393(Top 28%)	1168(Top 33%)	27(Top 41%)
Finish	26.22 mi	2.22 mi	1045-8	918-5	23+1	1301(Top 27%)	1078(Top 30%)	30(Top 45%)

M15-19

Passing Analysis

Category:

Athletes Passed

372*

Passed By

363

Net Change

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2 Miles	-	-	-	-	#1054
2.2 Miles → 5.7 Miles	53*	115	-62	#1054	#1116
5.7 Miles → 6.43 Miles	27	13	+14	#1116	#1102
6.43 Miles → 10.92 Miles	34*	51	-17	#1102	#1119
10.92 Miles → Garmin Hill Challenge	42	2	+40	#1119	#1079
Garmin Hill Challenge → 14.95 Miles	69	2	+67	#1079	#1012
14.95 Miles → 18 Miles	62*	14	+48	#1012	#964
18 Miles → 24 Miles	60*	133	-73	#964	#1037
24 Miles → Finish	25*	33	-8	#1037	#1045
TOTALS	372*	363	+9

* 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 6 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

Nathan Chong

⏱️ Race Timeline

Course Map & Elevation

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