Ka Fai Lei

Bib: 9099•M•Age: 36

Walnut Creek, 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

22:32

Rank: #6204

Start → 2M

22:32 | 11:16/mi

22:32

Rank: #6204

Start → 2M

22:32 | 11:16/mi

44:16

Rank: #5785 (+419)

2M → 4M

21:44 | 10:52/mi

44:16

Rank: #5785 (+419)

2M → 4M

21:44 | 10:52/mi

1:05:42

Rank: #5464 (+321)

4M → 6M

21:26 | 10:43/mi

1:05:42

Rank: #5464 (+321)

4M → 6M

21:26 | 10:43/mi

1:26:38

Rank: #5322 (+142)

6M → 8M

20:56 | 10:28/mi

1:26:38

Rank: #5322 (+142)

6M → 8M

20:56 | 10:28/mi

9.6M

1:45:28

Rank: #5279 (+43)

8M → 9.6M

18:50 | 11:46/mi

9.6M

1:45:28

Rank: #5279 (+43)

8M → 9.6M

18:50 | 11:46/mi

10M

1:48:35

Rank: #5284 (-5)

9.6M → 10M

3:07 | 7:48/mi

10M

1:48:35

Rank: #5284 (-5)

9.6M → 10M

3:07 | 7:48/mi

10.5M

1:56:09

Rank: #5273 (+11)

10M → 10.5M

7:34 | 15:08/mi

10.5M

1:56:09

Rank: #5273 (+11)

10M → 10.5M

7:34 | 15:08/mi

12M

2:12:26

Rank: #5223 (+50)

10.5M → 12M

16:17 | 10:51/mi

12M

2:12:26

Rank: #5223 (+50)

10.5M → 12M

16:17 | 10:51/mi

14M

2:36:03

Rank: #5150 (+73)

12M → 14M

23:37 | 11:48/mi

14M

2:36:03

Rank: #5150 (+73)

12M → 14M

23:37 | 11:48/mi

16M

2:59:28

Rank: #5352 (-202)

14M → 16M

23:25 | 11:42/mi

16M

2:59:28

Rank: #5352 (-202)

14M → 16M

23:25 | 11:42/mi

18M

3:22:52

Rank: #5169 (+183)

16M → 18M

23:24 | 11:42/mi

18M

3:22:52

Rank: #5169 (+183)

16M → 18M

23:24 | 11:42/mi

20M

3:45:20

Rank: #5031 (+138)

18M → 20M

22:28 | 11:14/mi

20M

3:45:20

Rank: #5031 (+138)

18M → 20M

22:28 | 11:14/mi

22M

4:07:46

Rank: #4986 (+45)

20M → 22M

22:26 | 11:13/mi

22M

4:07:46

Rank: #4986 (+45)

20M → 22M

22:26 | 11:13/mi

24M

4:32:30

Rank: #4915 (+71)

22M → 24M

24:44 | 12:22/mi

24M

4:32:30

Rank: #4915 (+71)

22M → 24M

24:44 | 12:22/mi

Finish· 26.22 mi

4:59:48

Rank: #4943 (-28)

24M → Finish

27:18 | 12:18/mi

Finish· 26.22 mi

4:59:48

Rank: #4943 (-28)

24M → Finish

27:18 | 12:18/mi

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Half Splits

1st Half· via 14M

Distance14.00 mi

Time2:36:03

Pace11:09 /mi

2nd Half✓ Faster

Distance12.22 mi

Time2:23:45

Pace11:46 /mi

📊Negative Split: 7.9% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:59:36	22:32	11:16	22:32	11:16	-
4M	4.00 mi	06:21:20	44:16	11:04	21:44	10:52	-0:24
6M	6.00 mi	06:42:46	1:05:42	10:57	21:26	10:43	-0:09
8M	8.00 mi	07:03:42	1:26:38	10:50	20:56	10:28	-0:15
9.6M	9.60 mi	07:22:32	1:45:28	10:59	18:50	11:46	+1:18
10M	10.00 mi	07:25:39	1:48:35	10:52	3:07	7:48	-3:58
10.5M	10.50 mi	07:33:13	1:56:09	11:04	7:34	15:08	+7:20
12M	12.00 mi	07:49:30	2:12:26	11:02	16:17	10:51	-4:17
14M	14.00 mi	08:13:07	2:36:03	11:09	23:37	11:48	+0:57
16M	16.00 mi	08:36:32	2:59:28	11:13	23:25	11:42	-0:06
18M	18.00 mi	08:59:56	3:22:52	11:16	23:24	11:42	0:00
20M	20.00 mi	09:22:24	3:45:20	11:16	22:28	11:14	-0:28
22M	22.00 mi	09:44:50	4:07:46	11:16	22:26	11:13	-0:01
24M	24.00 mi	10:09:34	4:32:30	11:21	24:44	12:22	+1:09
Finish	26.22 mi	10:36:52	4:59:48	11:27	27:18	12:18	-0:04

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

7:48 /mi

Average Pace

11:27 /mi

Slowest Pace

15:08 /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

24:03

8% of race

Time at Steady Pace

3:36:09

72% of race

Time at Slower Pace

59:36

20% of race

Average Pace: 11:26 /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	05:59:36	22:32	11:16	22:32	11:16	#6204
4M	4.00 mi	06:21:20	44:16	11:04	21:44	10:52	#5785
6M	6.00 mi	06:42:46	1:05:42	10:57	21:26	10:43	#5464
8M	8.00 mi	07:03:42	1:26:38	10:50	20:56	10:28	#5322
9.6M	9.60 mi	07:22:32	1:45:28	10:59	18:50	11:46	#5279
10M	10.00 mi	07:25:39	1:48:35	10:52	3:07	7:48	#5284
10.5M	10.50 mi	07:33:13	1:56:09	11:04	7:34	15:08	#5273
12M	12.00 mi	07:49:30	2:12:26	11:02	16:17	10:51	#5223
14M	14.00 mi	08:13:07	2:36:03	11:09	23:37	11:48	#5150
16M	16.00 mi	08:36:32	2:59:28	11:13	23:25	11:42	#5352
18M	18.00 mi	08:59:56	3:22:52	11:16	23:24	11:42	#5169
20M	20.00 mi	09:22:24	3:45:20	11:16	22:28	11:14	#5031
22M	22.00 mi	09:44:50	4:07:46	11:16	22:26	11:13	#4986
24M	24.00 mi	10:09:34	4:32:30	11:21	24:44	12:22	#4915
Finish	26.22 mi	10:36:52	4:59:48	11:27	27:18	12:18	#4943

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 73%

Garmin Challenge

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

10:41

Segment Time

11:52/mi

Pace

0.90 mi

Distance

Overall

5200

Men

3867

Division

551

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	6204	4513	619	5010(Top 70%)	3763(Top 74%)	519(Top 72%)
4M	4.00 mi	2.00 mi	5785+419	4271+242	586+33	5405(Top 75%)	4025(Top 80%)	557(Top 78%)
6M	6.00 mi	2.00 mi	5464+321	4067+204	560+26	4899(Top 68%)	3714(Top 74%)	509(Top 71%)
8M	8.00 mi	2.00 mi	5322+142	3980+87	550+10	4939(Top 69%)	3764(Top 75%)	525(Top 73%)
9.6M	9.60 mi	1.60 mi	5279+43	3960+20	549+1	5311(Top 74%)	3959(Top 78%)	547(Top 76%)
10M	10.00 mi	0.40 mi	5284-5	3965-5	551-2	5511(Top 77%)	4075(Top 81%)	577(Top 80%)
10.5M	10.50 mi	0.50 mi	5273+11	3962+3	551	5236(Top 73%)	3887(Top 77%)	546(Top 76%)
12M	12.00 mi	1.50 mi	5223+50	3924+38	548+3	5010(Top 70%)	3763(Top 74%)	519(Top 72%)
14M	14.00 mi	2.00 mi	5150+73	3871+53	539+9	4889(Top 68%)	3681(Top 73%)	516(Top 72%)
16M	16.00 mi	2.00 mi	5352-202	3979-108	559-20	6002(Top 84%)	4338(Top 86%)	618(Top 86%)
18M	18.00 mi	2.00 mi	5169+183	3854+125	543+16	4170(Top 58%)	3133(Top 62%)	441(Top 62%)
20M	20.00 mi	2.00 mi	5031+138	3757+97	531+12	4045(Top 56%)	3015(Top 60%)	436(Top 61%)
22M	22.00 mi	2.00 mi	4986+45	3712+45	525+6	4497(Top 63%)	3253(Top 64%)	471(Top 66%)
24M	24.00 mi	2.00 mi	4915+71	3659+53	524+1	4219(Top 59%)	3055(Top 60%)	442(Top 62%)
Finish	26.22 mi	2.22 mi	4943-28	3664-5	526-2	4815(Top 67%)	3468(Top 69%)	506(Top 71%)

506

Passing Analysis

Category:

Athletes Passed

1958*

Passed By

697

Net Change

+1261

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#6204
2M → 4M	438*	19	+419	#6204	#5785
4M → 6M	332	11	+321	#5785	#5464
6M → 8M	168*	26	+142	#5464	#5322
8M → 9.6M	114*	71	+43	#5322	#5279
9.6M → 10M	17	22	-5	#5279	#5284
10M → 10.5M	43	32	+11	#5284	#5273
10.5M → 12M	92	42	+50	#5273	#5223
12M → 14M	110*	37	+73	#5223	#5150
14M → 16M	45*	247	-202	#5150	#5352
16M → 18M	212	29	+183	#5352	#5169
18M → 20M	150*	12	+138	#5169	#5031
20M → 22M	82*	37	+45	#5031	#4986
22M → 24M	100*	29	+71	#4986	#4915
24M → Finish	55*	83	-28	#4915	#4943
TOTALS	1958*	697	+1261

* 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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Public Race Data

Enhanced athlete results built from publicly available data.

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The San Francisco Marathon

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Race Place Events

Ka Fai Lei

⏱️ 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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Quick Links

All Results

Race Analytics

Course Information

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Public Race Data