Boris Chen

Bib: 5434•M•Age: 53

San Francisco, CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 4888

Gender (Male)

#0 / 3570

Masters (Masters Men)

#0 / 1128

Division (M50-54)

#0 / 237

Race Day Weather

69°/59°F

broken clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

2.2 Miles

20:53

Rank: #4073

Start → 2.2 Miles

20:53 | 9:29/mi

2.2 Miles

20:53

Rank: #4073

Start → 2.2 Miles

20:53 | 9:29/mi

5.7 Miles

59:47

Rank: #3612 (+461)

2.2 Miles → 5.7 Miles

38:54 | 11:07/mi

5.7 Miles

59:47

Rank: #3612 (+461)

2.2 Miles → 5.7 Miles

38:54 | 11:07/mi

6.43 Miles

1:11:19

Rank: #3702 (-90)

5.7 Miles → 6.43 Miles

11:32 | 15:48/mi

6.43 Miles

1:11:19

Rank: #3702 (-90)

5.7 Miles → 6.43 Miles

11:32 | 15:48/mi

10.92 Miles

1:55:13

Rank: #3409 (+293)

6.43 Miles → 10.92 Miles

43:54 | 9:47/mi

10.92 Miles

1:55:13

Rank: #3409 (+293)

6.43 Miles → 10.92 Miles

43:54 | 9:47/mi

Garmin Hill Challenge· 11.42 mi

2:02:49

Rank: #3452 (-43)

10.92 Miles → Garmin Hill Challenge

7:36 | 15:12/mi

Garmin Hill Challenge· 11.42 mi

2:02:49

Rank: #3452 (-43)

10.92 Miles → Garmin Hill Challenge

7:36 | 15:12/mi

14.95 Miles

2:36:07

Rank: #3366 (+86)

Garmin Hill Challenge → 14.95 Miles

33:18 | 9:26/mi

14.95 Miles

2:36:07

Rank: #3366 (+86)

Garmin Hill Challenge → 14.95 Miles

33:18 | 9:26/mi

18 Miles

3:17:08

Rank: #3442 (-76)

14.95 Miles → 18 Miles

41:01 | 13:27/mi

18 Miles

3:17:08

Rank: #3442 (-76)

14.95 Miles → 18 Miles

41:01 | 13:27/mi

24 Miles

4:35:24

Rank: #3599 (-157)

18 Miles → 24 Miles

1:18:16 | 13:03/mi

24 Miles

4:35:24

Rank: #3599 (-157)

18 Miles → 24 Miles

1:18:16 | 13:03/mi

Finish· 26.22 mi

5:04:24

Rank: #3675 (-76)

24 Miles → Finish

29:00 | 13:04/mi

Finish· 26.22 mi

5:04:24

Rank: #3675 (-76)

24 Miles → Finish

29:00 | 13:04/mi

The Course

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Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2.2 Miles	2.20 mi	05:50:44	20:53	9:29	20:53	9:29	-
5.7 Miles	5.70 mi	06:29:38	59:47	10:29	38:54	11:07	+1:38
6.43 Miles	6.43 mi	06:41:10	1:11:19	11:05	11:32	15:48	+4:41
10.92 Miles	10.92 mi	07:25:04	1:55:13	10:33	43:54	9:47	-6:01
Garmin Hill Challenge	11.42 mi	07:32:40	2:02:49	10:45	7:36	15:12	+5:25
14.95 Miles	14.95 mi	08:05:58	2:36:07	10:27	33:18	9:26	-5:46
18 Miles	18.00 mi	08:46:59	3:17:08	10:57	41:01	13:27	+4:01
24 Miles	24.00 mi	10:05:15	4:35:24	11:29	1:18:16	13:03	-0:24
Finish	26.22 mi	10:34:15	5:04:24	11:37	29:00	13:04	+0:01

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

9:26 /mi

Average Pace

11:37 /mi

Slowest Pace

15:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:59

45% of race

Time at Steady Pace

2:28:17

49% of race

Time at Slower Pace

19:08

6% of race

Average Pace: 11:37 /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
2.2 Miles	2.20 mi	05:50:44	20:53	9:29	20:53	9:29	#4073
5.7 Miles	5.70 mi	06:29:38	59:47	10:29	38:54	11:07	#3612
6.43 Miles	6.43 mi	06:41:10	1:11:19	11:05	11:32	15:48	#3702
10.92 Miles	10.92 mi	07:25:04	1:55:13	10:33	43:54	9:47	#3409
Garmin Hill Challenge	11.42 mi	07:32:40	2:02:49	10:45	7:36	15:12	#3452
14.95 Miles	14.95 mi	08:05:58	2:36:07	10:27	33:18	9:26	#3366
18 Miles	18.00 mi	08:46:59	3:17:08	10:57	41:01	13:27	#3442
24 Miles	24.00 mi	10:05:15	4:35:24	11:29	1:18:16	13:03	#3599
Finish	26.22 mi	10:34:15	5:04:24	11:37	29:00	13:04	#3675

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
2.2 Miles	2.20 mi	2.20 mi	4073	3105	207	4073(Top 83%)	3105(Top 87%)	207(Top 87%)
5.7 Miles	5.70 mi	3.50 mi	3612+461	2803+302	183+24	3438(Top 70%)	2701(Top 76%)	172(Top 73%)
6.43 Miles	6.43 mi	0.73 mi	3702-90	2869-66	188-5	4077(Top 83%)	3122(Top 87%)	195(Top 82%)
10.92 Miles	10.92 mi	4.49 mi	3409+293	2671+198	165+23	3052(Top 62%)	2450(Top 69%)	140(Top 59%)
Garmin Hill Challenge	11.42 mi	0.50 mi	3452-43	2704-33	167-2	3872(Top 79%)	2981(Top 84%)	178(Top 75%)
14.95 Miles	14.95 mi	3.53 mi	3366+86	2645+59	158+9	3031(Top 62%)	2405(Top 67%)	137(Top 58%)
18 Miles	18.00 mi	3.05 mi	3442-76	2679-34	158	3724(Top 76%)	2820(Top 79%)	173(Top 73%)
24 Miles	24.00 mi	6.00 mi	3599-157	2759-80	168-10	3854(Top 79%)	2856(Top 80%)	179(Top 76%)
Finish	26.22 mi	2.22 mi	3675-76	2797-38	169-1	3912(Top 80%)	2885(Top 81%)	178(Top 75%)

178

Passing Analysis

Category:

Athletes Passed

1033*

Passed By

635

Net Change

+398

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2 Miles	-	-	-	-	#4073
2.2 Miles → 5.7 Miles	482*	21	+461	#4073	#3612
5.7 Miles → 6.43 Miles	13	103	-90	#3612	#3702
6.43 Miles → 10.92 Miles	303*	10	+293	#3702	#3409
10.92 Miles → Garmin Hill Challenge	17	60	-43	#3409	#3452
Garmin Hill Challenge → 14.95 Miles	101	15	+86	#3452	#3366
14.95 Miles → 18 Miles	47*	123	-76	#3366	#3442
18 Miles → 24 Miles	57*	214	-157	#3442	#3599
24 Miles → Finish	13*	89	-76	#3599	#3675
TOTALS	1033*	635	+398

* 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 13 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

Boris Chen

⏱️ Race Timeline

The Course

Claim it — unlock a deeper AI report on this race, free

Checkpoint Splits

Checkpoints & Pacing

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

Start → 2.2 Miles

2.2 Miles→5.7 Miles

5.7 Miles→6.43 Miles

6.43 Miles→10.92 Miles

10.92 Miles→Garmin Hill Challenge

Garmin Hill Challenge→14.95 Miles

14.95 Miles→18 Miles

18 Miles→24 Miles

24 Miles→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