Justin Tang

Bib: 5830•M•Age: 25

Brookline, MA

0:00

0:00

/ mi

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Overall

#0 / 7166

Top 47%

Gender (Male)

#0 / 5052

Division (M25-29)

#0 / 1176

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

19:14

Rank: #3493

Start → 2M

19:14 | 9:37/mi

19:14

Rank: #3493

Start → 2M

19:14 | 9:37/mi

38:49

Rank: #3520 (-27)

2M → 4M

19:35 | 9:48/mi

38:49

Rank: #3520 (-27)

2M → 4M

19:35 | 9:48/mi

58:16

Rank: #3451 (+69)

4M → 6M

19:27 | 9:43/mi

58:16

Rank: #3451 (+69)

4M → 6M

19:27 | 9:43/mi

1:17:21

Rank: #3450 (+1)

6M → 8M

19:05 | 9:32/mi

1:17:21

Rank: #3450 (+1)

6M → 8M

19:05 | 9:32/mi

9.6M

1:33:52

Rank: #3440 (+10)

8M → 9.6M

16:31 | 10:19/mi

9.6M

1:33:52

Rank: #3440 (+10)

8M → 9.6M

16:31 | 10:19/mi

10M

1:36:36

Rank: #3444 (-4)

9.6M → 10M

2:44 | 6:50/mi

10M

1:36:36

Rank: #3444 (-4)

9.6M → 10M

2:44 | 6:50/mi

10.5M

1:43:14

Rank: #3423 (+21)

10M → 10.5M

6:38 | 13:16/mi

10.5M

1:43:14

Rank: #3423 (+21)

10M → 10.5M

6:38 | 13:16/mi

12M

1:57:51

Rank: #3442 (-19)

10.5M → 12M

14:37 | 9:45/mi

12M

1:57:51

Rank: #3442 (-19)

10.5M → 12M

14:37 | 9:45/mi

14M

2:19:14

Rank: #3447 (-5)

12M → 14M

21:23 | 10:41/mi

14M

2:19:14

Rank: #3447 (-5)

12M → 14M

21:23 | 10:41/mi

16M

2:35:32

Rank: #3273 (+174)

14M → 16M

16:18 | 8:09/mi

16M

2:35:32

Rank: #3273 (+174)

14M → 16M

16:18 | 8:09/mi

18M

2:59:13

Rank: #3394 (-121)

16M → 18M

23:41 | 11:51/mi

18M

2:59:13

Rank: #3394 (-121)

16M → 18M

23:41 | 11:51/mi

20M

3:20:44

Rank: #3362 (+32)

18M → 20M

21:31 | 10:45/mi

20M

3:20:44

Rank: #3362 (+32)

18M → 20M

21:31 | 10:45/mi

22M

3:41:27

Rank: #3358 (+4)

20M → 22M

20:43 | 10:21/mi

22M

3:41:27

Rank: #3358 (+4)

20M → 22M

20:43 | 10:21/mi

24M

4:05:07

Rank: #3364 (-6)

22M → 24M

23:40 | 11:50/mi

24M

4:05:07

Rank: #3364 (-6)

22M → 24M

23:40 | 11:50/mi

Finish· 26.22 mi

4:30:14

Rank: #3389 (-25)

24M → Finish

25:07 | 11:19/mi

Finish· 26.22 mi

4:30:14

Rank: #3389 (-25)

24M → Finish

25:07 | 11:19/mi

The Course

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Half Splits

1st Half· via 14M

Distance14.00 mi

Time2:19:14

Pace9:57 /mi

2nd Half✓ Faster

Distance12.22 mi

Time2:11:00

Pace10:43 /mi

📊Negative Split: 5.9% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:42:31	19:14	9:37	19:14	9:37	-
4M	4.00 mi	06:02:06	38:49	9:42	19:35	9:48	+0:11
6M	6.00 mi	06:21:33	58:16	9:43	19:27	9:43	-0:05
8M	8.00 mi	06:40:38	1:17:21	9:40	19:05	9:32	-0:11
9.6M	9.60 mi	06:57:09	1:33:52	9:47	16:31	10:19	+0:47
10M	10.00 mi	06:59:53	1:36:36	9:40	2:44	6:50	-3:29
10.5M	10.50 mi	07:06:31	1:43:14	9:50	6:38	13:16	+6:26
12M	12.00 mi	07:21:08	1:57:51	9:49	14:37	9:45	-3:31
14M	14.00 mi	07:42:31	2:19:14	9:57	21:23	10:41	+0:56
16M	16.00 mi	07:58:49	2:35:32	9:43	16:18	8:09	-2:32
18M	18.00 mi	08:22:30	2:59:13	9:57	23:41	11:51	+3:42
20M	20.00 mi	08:44:01	3:20:44	10:02	21:31	10:45	-1:06
22M	22.00 mi	09:04:44	3:41:27	10:04	20:43	10:21	-0:24
24M	24.00 mi	09:28:24	4:05:07	10:13	23:40	11:50	+1:29
Finish	26.22 mi	09:53:31	4:30:14	10:19	25:07	11:19	-0:31

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

6:50 /mi

Average Pace

10:19 /mi

Slowest Pace

13:16 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:07

14% of race

Time at Steady Pace

2:33:01

57% of race

Time at Slower Pace

1:19:06

29% of race

Average Pace: 10:18 /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	05:42:31	19:14	9:37	19:14	9:37	#3493
4M	4.00 mi	06:02:06	38:49	9:42	19:35	9:48	#3520
6M	6.00 mi	06:21:33	58:16	9:43	19:27	9:43	#3451
8M	8.00 mi	06:40:38	1:17:21	9:40	19:05	9:32	#3450
9.6M	9.60 mi	06:57:09	1:33:52	9:47	16:31	10:19	#3440
10M	10.00 mi	06:59:53	1:36:36	9:40	2:44	6:50	#3444
10.5M	10.50 mi	07:06:31	1:43:14	9:50	6:38	13:16	#3423
12M	12.00 mi	07:21:08	1:57:51	9:49	14:37	9:45	#3442
14M	14.00 mi	07:42:31	2:19:14	9:57	21:23	10:41	#3447
16M	16.00 mi	07:58:49	2:35:32	9:43	16:18	8:09	#3273
18M	18.00 mi	08:22:30	2:59:13	9:57	23:41	11:51	#3394
20M	20.00 mi	08:44:01	3:20:44	10:02	21:31	10:45	#3362
22M	22.00 mi	09:04:44	3:41:27	10:04	20:43	10:21	#3358
24M	24.00 mi	09:28:24	4:05:07	10:13	23:40	11:50	#3364
Finish	26.22 mi	09:53:31	4:30:14	10:19	25:07	11:19	#3389

Faster pace

Steady pace

Slower pace

Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 49%

Garmin Challenge

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

9:22

Segment Time

10:25/mi

Pace

0.90 mi

Distance

Overall

3489

Men

2793

Division

696

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
2M	2.00 mi	2.00 mi	3493	2829	691	3823(Top 53%)	3008(Top 60%)	763(Top 65%)
4M	4.00 mi	2.00 mi	3520-27	2839-10	698-7	3643(Top 51%)	2924(Top 58%)	725(Top 62%)
6M	6.00 mi	2.00 mi	3451+69	2788+51	688+10	3437(Top 48%)	2786(Top 55%)	685(Top 58%)
8M	8.00 mi	2.00 mi	3450+1	2790-2	692-4	3414(Top 48%)	2762(Top 55%)	674(Top 57%)
9.6M	9.60 mi	1.60 mi	3440+10	2780+10	694-2	3536(Top 49%)	2830(Top 56%)	702(Top 60%)
10M	10.00 mi	0.40 mi	3444-4	2784-4	693+1	3629(Top 51%)	2901(Top 57%)	712(Top 61%)
10.5M	10.50 mi	0.50 mi	3423+21	2763+21	685+8	3563(Top 50%)	2822(Top 56%)	696(Top 59%)
12M	12.00 mi	1.50 mi	3442-19	2775-12	692-7	3823(Top 53%)	3008(Top 60%)	763(Top 65%)
14M	14.00 mi	2.00 mi	3447-5	2775	690+2	3566(Top 50%)	2838(Top 56%)	700(Top 60%)
16M	16.00 mi	2.00 mi	3273+174	2641+134	661+29	2361(Top 33%)	1886(Top 37%)	487(Top 41%)
18M	18.00 mi	2.00 mi	3394-121	2721-80	675-14	4309(Top 60%)	3231(Top 64%)	798(Top 68%)
20M	20.00 mi	2.00 mi	3362+32	2687+34	668+7	3435(Top 48%)	2623(Top 52%)	644(Top 55%)
22M	22.00 mi	2.00 mi	3358+4	2661+26	656+12	3543(Top 49%)	2655(Top 53%)	656(Top 56%)
24M	24.00 mi	2.00 mi	3364-6	2649+12	656	3688(Top 51%)	2693(Top 53%)	671(Top 57%)
Finish	26.22 mi	2.22 mi	3389-25	2650-1	658-2	3860(Top 54%)	2798(Top 55%)	713(Top 61%)

713

Passing Analysis

Category:

Athletes Passed

1015*

Passed By

911

Net Change

+104

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#3493
2M → 4M	113*	140	-27	#3493	#3520
4M → 6M	127	58	+69	#3520	#3451
6M → 8M	58*	57	+1	#3451	#3450
8M → 9.6M	74*	64	+10	#3450	#3440
9.6M → 10M	12	16	-4	#3440	#3444
10M → 10.5M	43	22	+21	#3444	#3423
10.5M → 12M	38	57	-19	#3423	#3442
12M → 14M	46*	51	-5	#3442	#3447
14M → 16M	205*	31	+174	#3447	#3273
16M → 18M	42	163	-121	#3273	#3394
18M → 20M	73*	41	+32	#3394	#3362
20M → 22M	67*	63	+4	#3362	#3358
22M → 24M	57*	63	-6	#3358	#3364
24M → Finish	60*	85	-25	#3364	#3389
TOTALS	1015*	911	+104

* 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 10 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

Justin Tang

⏱️ 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