Shield Xiao

Bib: 10968•M•Age: 41

Palo Alto, CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 7166

Gender (Male)

#0 / 5052

Masters (Masters Men)

#0 / 1321

Division (M40-44)

#0 / 435

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

15:36

Rank: #600

Start → 2M

15:36 | 7:48/mi

15:36

Rank: #600

Start → 2M

15:36 | 7:48/mi

34:43

Rank: #1614 (-1014)

2M → 4M

19:07 | 9:34/mi

34:43

Rank: #1614 (-1014)

2M → 4M

19:07 | 9:34/mi

55:35

Rank: #2766 (-1152)

4M → 6M

20:52 | 10:26/mi

55:35

Rank: #2766 (-1152)

4M → 6M

20:52 | 10:26/mi

1:16:48

Rank: #3321 (-555)

6M → 8M

21:13 | 10:36/mi

1:16:48

Rank: #3321 (-555)

6M → 8M

21:13 | 10:36/mi

9.6M

1:37:20

Rank: #3979 (-658)

8M → 9.6M

20:32 | 12:50/mi

9.6M

1:37:20

Rank: #3979 (-658)

8M → 9.6M

20:32 | 12:50/mi

10M

1:40:44

Rank: #4050 (-71)

9.6M → 10M

3:24 | 8:31/mi

10M

1:40:44

Rank: #4050 (-71)

9.6M → 10M

3:24 | 8:31/mi

10.5M

1:48:39

Rank: #4194 (-144)

10M → 10.5M

7:55 | 15:50/mi

10.5M

1:48:39

Rank: #4194 (-144)

10M → 10.5M

7:55 | 15:50/mi

12M

2:08:49

Rank: #4802 (-608)

10.5M → 12M

20:10 | 13:27/mi

12M

2:08:49

Rank: #4802 (-608)

10.5M → 12M

20:10 | 13:27/mi

14M

2:37:39

Rank: #5305 (-503)

12M → 14M

28:50 | 14:25/mi

14M

2:37:39

Rank: #5305 (-503)

12M → 14M

28:50 | 14:25/mi

16M

3:08:12

Rank: #5944 (-639)

14M → 16M

30:33 | 15:17/mi

16M

3:08:12

Rank: #5944 (-639)

14M → 16M

30:33 | 15:17/mi

18M

3:38:45

Rank: #6104 (-160)

16M → 18M

30:33 | 15:17/mi

18M

3:38:45

Rank: #6104 (-160)

16M → 18M

30:33 | 15:17/mi

20M

4:13:27

Rank: #6396 (-292)

18M → 20M

34:42 | 17:21/mi

20M

4:13:27

Rank: #6396 (-292)

18M → 20M

34:42 | 17:21/mi

22M

4:50:03

Rank: #6679 (-283)

20M → 22M

36:36 | 18:18/mi

22M

4:50:03

Rank: #6679 (-283)

20M → 22M

36:36 | 18:18/mi

24M

5:27:49

Rank: #6796 (-117)

22M → 24M

37:46 | 18:53/mi

24M

5:27:49

Rank: #6796 (-117)

22M → 24M

37:46 | 18:53/mi

Finish· 26.22 mi

6:05:56

Rank: #6845 (-49)

24M → Finish

38:07 | 17:11/mi

Finish· 26.22 mi

6:05:56

Rank: #6845 (-49)

24M → Finish

38:07 | 17:11/mi

The Course

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Half Splits

1st Half· via 14MFaster

Distance14.00 mi

Time2:37:39

Pace11:16 /mi

2nd Half

Distance12.22 mi

Time3:28:17

Pace17:03 /mi

📊Positive Split: 32.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:31:16	15:36	7:48	15:36	7:48	-
4M	4.00 mi	05:50:23	34:43	8:41	19:07	9:34	+1:46
6M	6.00 mi	06:11:15	55:35	9:16	20:52	10:26	+0:52
8M	8.00 mi	06:32:28	1:16:48	9:36	21:13	10:36	+0:10
9.6M	9.60 mi	06:53:00	1:37:20	10:08	20:32	12:50	+2:14
10M	10.00 mi	06:56:24	1:40:44	10:04	3:24	8:31	-4:19
10.5M	10.50 mi	07:04:19	1:48:39	10:21	7:55	15:50	+7:19
12M	12.00 mi	07:24:29	2:08:49	10:44	20:10	13:27	-2:23
14M	14.00 mi	07:53:19	2:37:39	11:16	28:50	14:25	+0:58
16M	16.00 mi	08:23:52	3:08:12	11:46	30:33	15:17	+0:52
18M	18.00 mi	08:54:25	3:38:45	12:09	30:33	15:17	0:00
20M	20.00 mi	09:29:07	4:13:27	12:40	34:42	17:21	+2:04
22M	22.00 mi	10:05:43	4:50:03	13:11	36:36	18:18	+0:57
24M	24.00 mi	10:43:29	5:27:49	13:40	37:46	18:53	+0:35
Finish	26.22 mi	11:21:36	6:05:56	13:58	38:07	17:11	-1:42

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

7:48 /mi

Average Pace

13:58 /mi

Slowest Pace

18:53 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:12

22% of race

Time at Steady Pace

2:18:33

38% of race

Time at Slower Pace

2:27:11

40% of race

Average Pace: 13:57 /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	05:31:16	15:36	7:48	15:36	7:48	#600
4M	4.00 mi	05:50:23	34:43	8:41	19:07	9:34	#1614
6M	6.00 mi	06:11:15	55:35	9:16	20:52	10:26	#2766
8M	8.00 mi	06:32:28	1:16:48	9:36	21:13	10:36	#3321
9.6M	9.60 mi	06:53:00	1:37:20	10:08	20:32	12:50	#3979
10M	10.00 mi	06:56:24	1:40:44	10:04	3:24	8:31	#4050
10.5M	10.50 mi	07:04:19	1:48:39	10:21	7:55	15:50	#4194
12M	12.00 mi	07:24:29	2:08:49	10:44	20:10	13:27	#4802
14M	14.00 mi	07:53:19	2:37:39	11:16	28:50	14:25	#5305
16M	16.00 mi	08:23:52	3:08:12	11:46	30:33	15:17	#5944
18M	18.00 mi	08:54:25	3:38:45	12:09	30:33	15:17	#6104
20M	20.00 mi	09:29:07	4:13:27	12:40	34:42	17:21	#6396
22M	22.00 mi	10:05:43	4:50:03	13:11	36:36	18:18	#6679
24M	24.00 mi	10:43:29	5:27:49	13:40	37:46	18:53	#6796
Finish	26.22 mi	11:21:36	6:05:56	13:58	38:07	17:11	#6845

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 81%

Garmin Challenge

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

11:19

Segment Time

12:35/mi

Pace

0.90 mi

Distance

Overall

5816

Men

4247

Division

358

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	600	543	58	6772(Top 95%)	4847(Top 96%)	412(Top 95%)
4M	4.00 mi	2.00 mi	1614-1014	1395-852	133-75	3280(Top 46%)	2670(Top 53%)	232(Top 53%)
6M	6.00 mi	2.00 mi	2766-1152	2283-888	204-71	4505(Top 63%)	3479(Top 69%)	299(Top 69%)
8M	8.00 mi	2.00 mi	3321-555	2701-418	235-31	5156(Top 72%)	3885(Top 77%)	328(Top 75%)
9.6M	9.60 mi	1.60 mi	3979-658	3153-452	274-39	6234(Top 87%)	4516(Top 89%)	387(Top 89%)
10M	10.00 mi	0.40 mi	4050-71	3195-42	277-3	6310(Top 88%)	4569(Top 90%)	388(Top 89%)
10.5M	10.50 mi	0.50 mi	4194-144	3275-80	286-9	5758(Top 80%)	4199(Top 83%)	357(Top 82%)
12M	12.00 mi	1.50 mi	4802-608	3657-382	307-21	6772(Top 95%)	4847(Top 96%)	412(Top 95%)
14M	14.00 mi	2.00 mi	5305-503	3969-312	344-37	6661(Top 93%)	4758(Top 94%)	403(Top 93%)
16M	16.00 mi	2.00 mi	5944-639	4344-375	369-25	7117(Top 99%)	5016(Top 99%)	430(Top 99%)
18M	18.00 mi	2.00 mi	6104-160	4436-92	378-9	6579(Top 92%)	4670(Top 92%)	406(Top 93%)
20M	20.00 mi	2.00 mi	6396-292	4605-169	395-17	7059(Top 99%)	4977(Top 99%)	427(Top 98%)
22M	22.00 mi	2.00 mi	6679-283	4768-163	407-12	7127(Top 99%)	5028(Top 100%)	432(Top 99%)
24M	24.00 mi	2.00 mi	6796-117	4841-73	414-7	7068(Top 99%)	4985(Top 99%)	430(Top 99%)
Finish	26.22 mi	2.22 mi	6845-49	4867-26	416-2	6941(Top 97%)	4907(Top 97%)	420(Top 97%)

420

Passing Analysis

Category:

Athletes Passed

122*

Passed By

6367

Net Change

-6245

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#600
2M → 4M	0	1014	-1014	#600	#1614
4M → 6M	3	1155	-1152	#1614	#2766
6M → 8M	3*	558	-555	#2766	#3321
8M → 9.6M	13*	671	-658	#3321	#3979
9.6M → 10M	2	73	-71	#3979	#4050
10M → 10.5M	25	169	-144	#4050	#4194
10.5M → 12M	2	610	-608	#4194	#4802
12M → 14M	13*	516	-503	#4802	#5305
14M → 16M	7*	646	-639	#5305	#5944
16M → 18M	24*	184	-160	#5944	#6104
18M → 20M	9*	301	-292	#6104	#6396
20M → 22M	4*	287	-283	#6396	#6679
22M → 24M	5*	122	-117	#6679	#6796
24M → Finish	12*	61	-49	#6796	#6845
TOTALS	122*	6367	-6245

* 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

Shield Xiao

⏱️ 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