Jonathan Chu

Bib: 8304•M•Age: 35

Sunnyvale, CA

0:00

0:00

/ mi

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Overall

#0 / 5694

Top 4%

Gender (Male)

#0 / 4127

Top 5%

Division (M35-39)

#0 / 572

Top 5%

Race Day Weather

56°/46°F

overcast clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

1.81M

13:34

Rank: #437

Start → 1.81M

13:34 | 7:30/mi

1.81M

13:34

Rank: #437

Start → 1.81M

13:34 | 7:30/mi

6.52M

49:42

Rank: #454 (-17)

1.81M → 6.52M

36:08 | 7:40/mi

6.52M

49:42

Rank: #454 (-17)

1.81M → 6.52M

36:08 | 7:40/mi

10.89M

1:22:25

Rank: #398 (+56)

6.52M → 10.89M

32:43 | 7:29/mi

10.89M

1:22:25

Rank: #398 (+56)

6.52M → 10.89M

32:43 | 7:29/mi

Garmin Hill Challenge· 11.40 mi

1:27:51

Rank: #471 (-73)

10.89M → Garmin Hill Challenge

5:26 | 10:39/mi

Garmin Hill Challenge· 11.40 mi

1:27:51

Rank: #471 (-73)

10.89M → Garmin Hill Challenge

5:26 | 10:39/mi

14.95M

1:51:24

Rank: #410 (+61)

Garmin Hill Challenge → 14.95M

23:33 | 6:38/mi

14.95M

1:51:24

Rank: #410 (+61)

Garmin Hill Challenge → 14.95M

23:33 | 6:38/mi

18M

2:16:32

Rank: #387 (+23)

14.95M → 18M

25:08 | 8:14/mi

18M

2:16:32

Rank: #387 (+23)

14.95M → 18M

25:08 | 8:14/mi

24.69M

3:06:56

Rank: #274 (+113)

18M → 24.69M

50:24 | 7:32/mi

24.69M

3:06:56

Rank: #274 (+113)

18M → 24.69M

50:24 | 7:32/mi

Finish· 26.22 mi

3:16:27

Rank: #237 (+37)

24.69M → Finish

9:31 | 6:14/mi

Finish· 26.22 mi

3:16:27

Rank: #237 (+37)

24.69M → Finish

9:31 | 6:14/mi

The Course

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Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
1.81M	1.81 mi	05:46:57	13:34	7:30	13:34	7:30	-
6.52M	6.52 mi	06:23:05	49:42	7:37	36:08	7:40	+0:10
10.89M	10.89 mi	06:55:48	1:22:25	7:34	32:43	7:29	-0:11
Garmin Hill Challenge	11.40 mi	07:01:14	1:27:51	7:42	5:26	10:39	+3:10
14.95M	14.95 mi	07:24:47	1:51:24	7:27	23:33	6:38	-4:01
18M	18.00 mi	07:49:55	2:16:32	7:35	25:08	8:14	+1:36
24.69M	24.69 mi	08:40:19	3:06:56	7:34	50:24	7:32	-0:42
Finish	26.22 mi	08:49:50	3:16:27	7:30	9:31	6:14	-1:18

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

6:14 /mi

Average Pace

7:30 /mi

Slowest Pace

10:39 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:04

17% of race

Time at Steady Pace

2:12:49

68% of race

Time at Slower Pace

30:34

16% of race

Average Pace: 7:30 /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
1.81M	1.81 mi	05:46:57	13:34	7:30	13:34	7:30	#437
6.52M	6.52 mi	06:23:05	49:42	7:37	36:08	7:40	#454
10.89M	10.89 mi	06:55:48	1:22:25	7:34	32:43	7:29	#398
Garmin Hill Challenge	11.40 mi	07:01:14	1:27:51	7:42	5:26	10:39	#471
14.95M	14.95 mi	07:24:47	1:51:24	7:27	23:33	6:38	#410
18M	18.00 mi	07:49:55	2:16:32	7:35	25:08	8:14	#387
24.69M	24.69 mi	08:40:19	3:06:56	7:34	50:24	7:32	#274
Finish	26.22 mi	08:49:50	3:16:27	7:30	9:31	6:14	#237

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
1.81M	1.81 mi	1.81 mi	437	400	60	437(Top 8%)	400(Top 10%)	60(Top 10%)
6.52M	6.52 mi	4.71 mi	454-17	415-15	62-2	465(Top 8%)	427(Top 10%)	62(Top 11%)
10.89M	10.89 mi	4.37 mi	398+56	363+52	54+8	321(Top 6%)	298(Top 7%)	45(Top 8%)
Garmin Hill Challenge	11.40 mi	0.51 mi	471-73	432-69	65-11	1820(Top 32%)	1554(Top 38%)	219(Top 38%)
14.95M	14.95 mi	3.55 mi	410+61	377+55	55+10	262(Top 5%)	247(Top 6%)	36(Top 6%)
18M	18.00 mi	3.05 mi	387+23	356+21	51+4	268(Top 5%)	249(Top 6%)	35(Top 6%)
24.69M	24.69 mi	6.69 mi	274+113	254+102	37+14	178(Top 3%)	163(Top 4%)	27(Top 5%)
Finish	26.22 mi	1.53 mi	237+37	219+35	31+6	43(Top 0.8%)	42(Top 1%)	10(Top 2%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 8%

×1human

+6ft-10ft

Overall

437

Males

400

M35-39

1.81M→6.52M

1.8 - 6.5 mi

Top 8%

×16stories

+275ft-93ft

Overall

465

Males

427

M35-39

6.52M→10.89M

6.5 - 10.9 mi

Top 6%

×20stories

+201ft-318ft

Overall

321

Males

298

M35-39

10.89M→Garmin Hill Challenge

10.9 - 11.4 mi

Top 32%

×11stories

+134ft-79ft

Overall

1820

Males

1554

M35-39

219

Garmin Hill Challenge→14.95M

11.4 - 14.9 mi

Top 5%

×17stories

+251ft-225ft

Overall

262

Males

247

M35-39

14.95M→18M

14.9 - 18.0 mi

Top 5%

×12stories

+165ft-60ft

Overall

268

Males

249

M35-39

18M→24.69M

18.0 - 24.7 mi

Top 3%

×22stories

+142ft-377ft

Overall

178

Males

163

M35-39

24.69M→Finish

24.7 - 26.2 mi

Top 0.8%

~flat

+2ft-2ft

Overall

Males

M35-39

Passing Analysis

Category:

Athletes Passed

342*

Passed By

142

Net Change

+200

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 1.81M	-	-	-	-	#437
1.81M → 6.52M	39*	56	-17	#437	#454
6.52M → 10.89M	57	1	+56	#454	#398
10.89M → Garmin Hill Challenge	3	76	-73	#398	#471
Garmin Hill Challenge → 14.95M	62	1	+61	#471	#410
14.95M → 18M	28	5	+23	#410	#387
18M → 24.69M	116*	3	+113	#387	#274
24.69M → Finish	37	0	+37	#274	#237
TOTALS	342*	142	+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 9 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

Jonathan Chu

⏱️ 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 → 1.81M

1.81M→6.52M

6.52M→10.89M

10.89M→Garmin Hill Challenge

Garmin Hill Challenge→14.95M

14.95M→18M

18M→24.69M

24.69M→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