Daniel Chau

Bib: 3523•M•Age: 40

Alameda, CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 7166

Top 39%

Gender (Male)

#0 / 5052

Top 44%

Masters (Masters Men)

#0 / 1321

Top 38%

Division (M40-44)

#0 / 435

Top 46%

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

17:44

Rank: #1958

Start → 2M

17:44 | 8:52/mi

17:44

Rank: #1958

Start → 2M

17:44 | 8:52/mi

35:17

Rank: #1857 (+101)

2M → 4M

17:33 | 8:47/mi

35:17

Rank: #1857 (+101)

2M → 4M

17:33 | 8:47/mi

52:58

Rank: #1863 (-6)

4M → 6M

17:41 | 8:50/mi

52:58

Rank: #1863 (-6)

4M → 6M

17:41 | 8:50/mi

1:10:48

Rank: #1955 (-92)

6M → 8M

17:50 | 8:55/mi

1:10:48

Rank: #1955 (-92)

6M → 8M

17:50 | 8:55/mi

9.6M

1:26:02

Rank: #2025 (-70)

8M → 9.6M

15:14 | 9:31/mi

9.6M

1:26:02

Rank: #2025 (-70)

8M → 9.6M

15:14 | 9:31/mi

10M

1:28:35

Rank: #2043 (-18)

9.6M → 10M

2:33 | 6:23/mi

10M

1:28:35

Rank: #2043 (-18)

9.6M → 10M

2:33 | 6:23/mi

10.5M

1:34:45

Rank: #2075 (-32)

10M → 10.5M

6:10 | 12:20/mi

10.5M

1:34:45

Rank: #2075 (-32)

10M → 10.5M

6:10 | 12:20/mi

12M

1:48:10

Rank: #2164 (-89)

10.5M → 12M

13:25 | 8:57/mi

12M

1:48:10

Rank: #2164 (-89)

10.5M → 12M

13:25 | 8:57/mi

14M

2:08:36

Rank: #2310 (-146)

12M → 14M

20:26 | 10:13/mi

14M

2:08:36

Rank: #2310 (-146)

12M → 14M

20:26 | 10:13/mi

16M

2:28:25

Rank: #2634 (-324)

14M → 16M

19:49 | 9:55/mi

16M

2:28:25

Rank: #2634 (-324)

14M → 16M

19:49 | 9:55/mi

18M

2:48:14

Rank: #2544 (+90)

16M → 18M

19:49 | 9:55/mi

18M

2:48:14

Rank: #2544 (+90)

16M → 18M

19:49 | 9:55/mi

20M

3:09:47

Rank: #2605 (-61)

18M → 20M

21:33 | 10:46/mi

20M

3:09:47

Rank: #2605 (-61)

18M → 20M

21:33 | 10:46/mi

22M

3:31:18

Rank: #2706 (-101)

20M → 22M

21:31 | 10:45/mi

22M

3:31:18

Rank: #2706 (-101)

20M → 22M

21:31 | 10:45/mi

24M

3:53:32

Rank: #2680 (+26)

22M → 24M

22:14 | 11:07/mi

24M

3:53:32

Rank: #2680 (+26)

22M → 24M

22:14 | 11:07/mi

Finish· 26.22 mi

4:18:45

Rank: #2765 (-85)

24M → Finish

25:13 | 11:22/mi

Finish· 26.22 mi

4:18:45

Rank: #2765 (-85)

24M → Finish

25:13 | 11:22/mi

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Half Splits

1st Half· via 14MFaster

Distance14.00 mi

Time2:08:36

Pace9:11 /mi

2nd Half

Distance12.22 mi

Time2:10:09

Pace10:39 /mi

📊Positive Split: 1.2% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:34:44	17:44	8:52	17:44	8:52	-
4M	4.00 mi	05:52:17	35:17	8:49	17:33	8:47	-0:05
6M	6.00 mi	06:09:58	52:58	8:50	17:41	8:50	+0:03
8M	8.00 mi	06:27:48	1:10:48	8:51	17:50	8:55	+0:05
9.6M	9.60 mi	06:43:02	1:26:02	8:58	15:14	9:31	+0:36
10M	10.00 mi	06:45:35	1:28:35	8:52	2:33	6:23	-3:08
10.5M	10.50 mi	06:51:45	1:34:45	9:01	6:10	12:20	+5:57
12M	12.00 mi	07:05:10	1:48:10	9:01	13:25	8:57	-3:23
14M	14.00 mi	07:25:36	2:08:36	9:11	20:26	10:13	+1:16
16M	16.00 mi	07:45:25	2:28:25	9:17	19:49	9:55	-0:18
18M	18.00 mi	08:05:14	2:48:14	9:21	19:49	9:55	0:00
20M	20.00 mi	08:26:47	3:09:47	9:29	21:33	10:46	+0:51
22M	22.00 mi	08:48:18	3:31:18	9:36	21:31	10:45	-0:01
24M	24.00 mi	09:10:32	3:53:32	9:44	22:14	11:07	+0:22
Finish	26.22 mi	09:35:45	4:18:45	9:53	25:13	11:22	+0:15

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:23 /mi

Average Pace

9:53 /mi

Slowest Pace

12:20 /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

1:26:46

34% of race

Time at Steady Pace

1:15:18

29% of race

Time at Slower Pace

1:36:41

37% of race

Average Pace: 9:52 /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	05:34:44	17:44	8:52	17:44	8:52	#1958
4M	4.00 mi	05:52:17	35:17	8:49	17:33	8:47	#1857
6M	6.00 mi	06:09:58	52:58	8:50	17:41	8:50	#1863
8M	8.00 mi	06:27:48	1:10:48	8:51	17:50	8:55	#1955
9.6M	9.60 mi	06:43:02	1:26:02	8:58	15:14	9:31	#2025
10M	10.00 mi	06:45:35	1:28:35	8:52	2:33	6:23	#2043
10.5M	10.50 mi	06:51:45	1:34:45	9:01	6:10	12:20	#2075
12M	12.00 mi	07:05:10	1:48:10	9:01	13:25	8:57	#2164
14M	14.00 mi	07:25:36	2:08:36	9:11	20:26	10:13	#2310
16M	16.00 mi	07:45:25	2:28:25	9:17	19:49	9:55	#2634
18M	18.00 mi	08:05:14	2:48:14	9:21	19:49	9:55	#2544
20M	20.00 mi	08:26:47	3:09:47	9:29	21:33	10:46	#2605
22M	22.00 mi	08:48:18	3:31:18	9:36	21:31	10:45	#2706
24M	24.00 mi	09:10:32	3:53:32	9:44	22:14	11:07	#2680
Finish	26.22 mi	09:35:45	4:18:45	9:53	25:13	11:22	#2765

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 36%

Garmin Challenge

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

8:43

Segment Time

9:41/mi

Pace

0.90 mi

Distance

Overall

2568

Men

2131

Division

187

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
2M	2.00 mi	2.00 mi	1958	1674	152	2765(Top 39%)	2281(Top 45%)	196(Top 45%)
4M	4.00 mi	2.00 mi	1857+101	1591+83	150+2	1807(Top 25%)	1548(Top 31%)	146(Top 34%)
6M	6.00 mi	2.00 mi	1863-6	1592-1	150	1896(Top 26%)	1625(Top 32%)	147(Top 34%)
8M	8.00 mi	2.00 mi	1955-92	1668-76	156-6	2358(Top 33%)	1977(Top 39%)	174(Top 40%)
9.6M	9.60 mi	1.60 mi	2025-70	1725-57	157-1	2503(Top 35%)	2098(Top 42%)	182(Top 42%)
10M	10.00 mi	0.40 mi	2043-18	1738-13	157	2614(Top 36%)	2170(Top 43%)	184(Top 42%)
10.5M	10.50 mi	0.50 mi	2075-32	1766-28	162-5	2668(Top 37%)	2183(Top 43%)	184(Top 42%)
12M	12.00 mi	1.50 mi	2164-89	1832-66	166-4	2765(Top 39%)	2281(Top 45%)	196(Top 45%)
14M	14.00 mi	2.00 mi	2310-146	1941-109	180-14	2953(Top 41%)	2416(Top 48%)	212(Top 49%)
16M	16.00 mi	2.00 mi	2634-324	2178-237	193-13	4562(Top 64%)	3442(Top 68%)	282(Top 65%)
18M	18.00 mi	2.00 mi	2544+90	2107+71	192+1	2141(Top 30%)	1752(Top 35%)	153(Top 35%)
20M	20.00 mi	2.00 mi	2605-61	2140-33	196-4	3454(Top 48%)	2637(Top 52%)	233(Top 54%)
22M	22.00 mi	2.00 mi	2706-101	2202-62	200-4	4002(Top 56%)	2932(Top 58%)	255(Top 59%)
24M	24.00 mi	2.00 mi	2680+26	2167+35	197+3	2939(Top 41%)	2201(Top 44%)	189(Top 43%)
Finish	26.22 mi	2.22 mi	2765-85	2216-49	200-3	3909(Top 55%)	2833(Top 56%)	239(Top 55%)

239

Passing Analysis

Category:

Athletes Passed

676*

Passed By

1483

Net Change

-807

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#1958
2M → 4M	146	45	+101	#1958	#1857
4M → 6M	64	70	-6	#1857	#1863
6M → 8M	20*	112	-92	#1863	#1955
8M → 9.6M	30	100	-70	#1955	#2025
9.6M → 10M	5	23	-18	#2025	#2043
10M → 10.5M	23	55	-32	#2043	#2075
10.5M → 12M	23	112	-89	#2075	#2164
12M → 14M	19*	165	-146	#2164	#2310
14M → 16M	22*	346	-324	#2310	#2634
16M → 18M	142	52	+90	#2634	#2544
18M → 20M	36*	97	-61	#2544	#2605
20M → 22M	30*	131	-101	#2605	#2706
22M → 24M	78*	52	+26	#2706	#2680
24M → Finish	38*	123	-85	#2680	#2765
TOTALS	676*	1483	-807

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

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

Daniel Chau

⏱️ Race Timeline

Race Animation with Course Map

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Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈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 Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

⚖️ Age Grade

Export Track Data

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Race Analytics

Course Information

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Public Race Data