Allen Zhou

Bib: 1368•M•Age: 33

San Francisco, CA

0:00

0:00

/ mi

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Overall

#0 / 7166

Top 17%

Gender (Male)

#0 / 5052

Top 20%

Division (M30-34)

#0 / 1040

Top 21%

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

18:25

Rank: #2758

Start → 2M

18:25 | 9:12/mi

18:25

Rank: #2758

Start → 2M

18:25 | 9:12/mi

36:08

Rank: #2304 (+454)

2M → 4M

17:43 | 8:52/mi

36:08

Rank: #2304 (+454)

2M → 4M

17:43 | 8:52/mi

53:55

Rank: #2156 (+148)

4M → 6M

17:47 | 8:53/mi

53:55

Rank: #2156 (+148)

4M → 6M

17:47 | 8:53/mi

1:11:32

Rank: #2117 (+39)

6M → 8M

17:37 | 8:48/mi

1:11:32

Rank: #2117 (+39)

6M → 8M

17:37 | 8:48/mi

9.6M

1:25:52

Rank: #1993 (+124)

8M → 9.6M

14:20 | 8:57/mi

9.6M

1:25:52

Rank: #1993 (+124)

8M → 9.6M

14:20 | 8:57/mi

10M

1:28:13

Rank: #1975 (+18)

9.6M → 10M

2:21 | 5:53/mi

10M

1:28:13

Rank: #1975 (+18)

9.6M → 10M

2:21 | 5:53/mi

10.5M

1:36:07

Rank: #2347 (-372)

10M → 10.5M

7:54 | 15:48/mi

10.5M

1:36:07

Rank: #2347 (-372)

10M → 10.5M

7:54 | 15:48/mi

12M

1:47:41

Rank: #2077 (+270)

10.5M → 12M

11:34 | 7:43/mi

12M

1:47:41

Rank: #2077 (+270)

10.5M → 12M

11:34 | 7:43/mi

14M

2:05:52

Rank: #1933 (+144)

12M → 14M

18:11 | 9:05/mi

14M

2:05:52

Rank: #1933 (+144)

12M → 14M

18:11 | 9:05/mi

16M

2:22:22

Rank: #2008 (-75)

14M → 16M

16:30 | 8:15/mi

16M

2:22:22

Rank: #2008 (-75)

14M → 16M

16:30 | 8:15/mi

18M

2:38:52

Rank: #1668 (+340)

16M → 18M

16:30 | 8:15/mi

18M

2:38:52

Rank: #1668 (+340)

16M → 18M

16:30 | 8:15/mi

20M

2:56:13

Rank: #1528 (+140)

18M → 20M

17:21 | 8:40/mi

20M

2:56:13

Rank: #1528 (+140)

18M → 20M

17:21 | 8:40/mi

22M

3:12:46

Rank: #1462 (+66)

20M → 22M

16:33 | 8:16/mi

22M

3:12:46

Rank: #1462 (+66)

20M → 22M

16:33 | 8:16/mi

24M

3:31:04

Rank: #1347 (+115)

22M → 24M

18:18 | 9:09/mi

24M

3:31:04

Rank: #1347 (+115)

22M → 24M

18:18 | 9:09/mi

Finish· 26.22 mi

3:49:10

Rank: #1208 (+139)

24M → Finish

18:06 | 8:09/mi

Finish· 26.22 mi

3:49:10

Rank: #1208 (+139)

24M → Finish

18:06 | 8:09/mi

The Course

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Half Splits

1st Half· via 14M

Distance14.00 mi

Time2:05:52

Pace8:59 /mi

2nd Half✓ Faster

Distance12.22 mi

Time1:43:18

Pace8:27 /mi

📊Negative Split: 17.9% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:50:11	18:25	9:12	18:25	9:12	-
4M	4.00 mi	06:07:54	36:08	9:02	17:43	8:52	-0:20
6M	6.00 mi	06:25:41	53:55	8:59	17:47	8:53	+0:01
8M	8.00 mi	06:43:18	1:11:32	8:56	17:37	8:48	-0:05
9.6M	9.60 mi	06:57:38	1:25:52	8:57	14:20	8:57	+0:09
10M	10.00 mi	06:59:59	1:28:13	8:49	2:21	5:53	-3:04
10.5M	10.50 mi	07:07:53	1:36:07	9:09	7:54	15:48	+9:55
12M	12.00 mi	07:19:27	1:47:41	8:58	11:34	7:43	-8:05
14M	14.00 mi	07:37:38	2:05:52	8:59	18:11	9:05	+1:22
16M	16.00 mi	07:54:08	2:22:22	8:54	16:30	8:15	-0:50
18M	18.00 mi	08:10:38	2:38:52	8:50	16:30	8:15	0:00
20M	20.00 mi	08:27:59	2:56:13	8:49	17:21	8:40	+0:25
22M	22.00 mi	08:44:32	3:12:46	8:46	16:33	8:16	-0:24
24M	24.00 mi	09:02:50	3:31:04	8:48	18:18	9:09	+0:53
Finish	26.22 mi	09:20:56	3:49:10	8:45	18:06	8:09	-1:00

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

5:53 /mi

Average Pace

8:45 /mi

Slowest Pace

15:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:55

6% of race

Time at Steady Pace

3:27:21

90% of race

Time at Slower Pace

7:54

3% of race

Average Pace: 8:44 /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	05:50:11	18:25	9:12	18:25	9:12	#2758
4M	4.00 mi	06:07:54	36:08	9:02	17:43	8:52	#2304
6M	6.00 mi	06:25:41	53:55	8:59	17:47	8:53	#2156
8M	8.00 mi	06:43:18	1:11:32	8:56	17:37	8:48	#2117
9.6M	9.60 mi	06:57:38	1:25:52	8:57	14:20	8:57	#1993
10M	10.00 mi	06:59:59	1:28:13	8:49	2:21	5:53	#1975
10.5M	10.50 mi	07:07:53	1:36:07	9:09	7:54	15:48	#2347
12M	12.00 mi	07:19:27	1:47:41	8:58	11:34	7:43	#2077
14M	14.00 mi	07:37:38	2:05:52	8:59	18:11	9:05	#1933
16M	16.00 mi	07:54:08	2:22:22	8:54	16:30	8:15	#2008
18M	18.00 mi	08:10:38	2:38:52	8:50	16:30	8:15	#1668
20M	20.00 mi	08:27:59	2:56:13	8:49	17:21	8:40	#1528
22M	22.00 mi	08:44:32	3:12:46	8:46	16:33	8:16	#1462
24M	24.00 mi	09:02:50	3:31:04	8:48	18:18	9:09	#1347
Finish	26.22 mi	09:20:56	3:49:10	8:45	18:06	8:09	#1208

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 65%

Garmin Challenge

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

10:15

Segment Time

11:24/mi

Pace

0.90 mi

Distance

Overall

4691

Men

3554

Division

740

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
2M	2.00 mi	2.00 mi	2758	2269	473	903(Top 13%)	801(Top 16%)	175(Top 17%)
4M	4.00 mi	2.00 mi	2304+454	1933+336	405+68	1948(Top 27%)	1659(Top 33%)	347(Top 33%)
6M	6.00 mi	2.00 mi	2156+148	1824+109	387+18	1969(Top 27%)	1685(Top 33%)	354(Top 34%)
8M	8.00 mi	2.00 mi	2117+39	1795+29	378+9	2103(Top 29%)	1775(Top 35%)	377(Top 36%)
9.6M	9.60 mi	1.60 mi	1993+124	1701+94	357+21	1564(Top 22%)	1360(Top 27%)	292(Top 28%)
10M	10.00 mi	0.40 mi	1975+18	1684+17	355+2	1397(Top 19%)	1209(Top 24%)	272(Top 26%)
10.5M	10.50 mi	0.50 mi	2347-372	1976-292	415-60	5717(Top 80%)	4179(Top 83%)	859(Top 83%)
12M	12.00 mi	1.50 mi	2077+270	1761+215	373+42	903(Top 13%)	801(Top 16%)	175(Top 17%)
14M	14.00 mi	2.00 mi	1933+144	1643+118	346+27	1309(Top 18%)	1141(Top 23%)	241(Top 23%)
16M	16.00 mi	2.00 mi	2008-75	1691-48	354-8	2493(Top 35%)	1981(Top 39%)	398(Top 38%)
18M	18.00 mi	2.00 mi	1668+340	1428+263	304+50	587(Top 8%)	513(Top 10%)	111(Top 11%)
20M	20.00 mi	2.00 mi	1528+140	1305+123	275+29	1032(Top 14%)	883(Top 17%)	188(Top 18%)
22M	22.00 mi	2.00 mi	1462+66	1243+62	256+19	1156(Top 16%)	965(Top 19%)	202(Top 19%)
24M	24.00 mi	2.00 mi	1347+115	1143+100	238+18	911(Top 13%)	752(Top 15%)	153(Top 15%)
Finish	26.22 mi	2.22 mi	1208+139	1030+113	220+18	443(Top 6%)	383(Top 8%)	77(Top 7%)

Passing Analysis

Category:

Athletes Passed

2184*

Passed By

634

Net Change

+1550

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#2758
2M → 4M	470*	16	+454	#2758	#2304
4M → 6M	168	20	+148	#2304	#2156
6M → 8M	76*	37	+39	#2156	#2117
8M → 9.6M	131	7	+124	#2117	#1993
9.6M → 10M	20	2	+18	#1993	#1975
10M → 10.5M	4	376	-372	#1975	#2347
10.5M → 12M	270	0	+270	#2347	#2077
12M → 14M	147*	3	+144	#2077	#1933
14M → 16M	68*	143	-75	#1933	#2008
16M → 18M	341	1	+340	#2008	#1668
18M → 20M	145*	5	+140	#1668	#1528
20M → 22M	81*	15	+66	#1528	#1462
22M → 24M	123*	8	+115	#1462	#1347
24M → Finish	140*	1	+139	#1347	#1208
TOTALS	2184*	634	+1550

* 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

Allen Zhou

⏱️ 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

📈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