Jiachen Feng

Bib: 18865•M•Age: 28

Berkeley, CA

0:00

0:00

/ mi

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Overall

#0 / 7100

Gender (Male)

#0 / 3977

Division (M25-29)

#0 / 899

Race Day Weather

56°/46°F

light rain

⏱️ Race Timeline

Course Elevation

10–277 ft

≈

×22story building

•▲ 774 ft climb · ▼ 557 ft descent

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

1.81M

10:59/mi

19:52

→ flat

5.34M

11:10/mi

59:17

↑ 80 ft↓ 74 ft

6.15M

10:48/mi

1:08:02

↑ 126 ft2.8% grade

10.54M

11:19/mi

1:57:44

↑ 230 ft↓ 361 ft0.6% grade

11.05M

12:41/mi

2:04:12

↑ 172 ft6.4% grade

Finish· 13.11 mi

11:35/mi

2:28:03

↑ 97 ft↓ 114 ft0.2% grade

The Course

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Half Splits

1st Half· via 6.15MFaster

Distance6.15 mi

Time1:08:02

Pace11:04 /mi

2nd Half

Distance6.96 mi

Time1:20:01

Pace11:30 /mi

📊Positive Split: 17.6% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
1.81M	1.81 mi	07:08:08	19:52	10:59	19:52	10:59	-
5.34M	5.34 mi	07:47:33	59:17	11:06	39:25	11:10	+0:11
6.15M	6.15 mi	07:56:18	1:08:02	11:04	8:45	10:48	-0:22
10.54M	10.54 mi	08:46:00	1:57:44	11:10	49:42	11:19	+0:31
11.05M	11.05 mi	08:52:28	2:04:12	11:14	6:28	12:41	+1:22
Finish	13.11 mi	09:16:19	2:28:03	11:18	23:51	11:35	-1:06

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

10:48 /mi

Average Pace

11:18 /mi

Slowest Pace

12:41 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:35

96% of race

Time at Steady Pace

6:28

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:18 /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.

0mi3.3mi6.6mi9.8mi13.1mi

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
1.81M	1.81 mi	07:08:08	19:52	10:59	19:52	10:59	#5676
5.34M	5.34 mi	07:47:33	59:17	11:06	39:25	11:10	#5349
6.15M	6.15 mi	07:56:18	1:08:02	11:04	8:45	10:48	#5118
10.54M	10.54 mi	08:46:00	1:57:44	11:10	49:42	11:19	#4892
11.05M	11.05 mi	08:52:28	2:04:12	11:14	6:28	12:41	#4670
Finish	13.11 mi	09:16:19	2:28:03	11:18	23:51	11:35	#4593

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
1.81M	1.81 mi	1.81 mi	5676	3412	795	5676(Top 80%)	3412(Top 86%)	795(Top 88%)
5.34M	5.34 mi	3.53 mi	5349+327	3257+155	768+27	5239(Top 74%)	3198(Top 80%)	761(Top 85%)
6.15M	6.15 mi	0.81 mi	5118+231	3143+114	751+17	3860(Top 54%)	2518(Top 63%)	624(Top 69%)
10.54M	10.54 mi	4.39 mi	4892+226	3039+104	735+16	4667(Top 66%)	2904(Top 73%)	701(Top 78%)
11.05M	11.05 mi	0.51 mi	4670+222	2931+108	711+24	2211(Top 31%)	1582(Top 40%)	430(Top 48%)
Finish	13.11 mi	2.06 mi	4593+77	2865+66	696+15	4512(Top 64%)	2754(Top 69%)	660(Top 73%)

660

Passing Analysis

Category:

Athletes Passed

1317*

Passed By

234

Net Change

+1083

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 1.81M	-	-	-	-	#5676
1.81M → 5.34M	432*	105	+327	#5676	#5349
5.34M → 6.15M	236	5	+231	#5349	#5118
6.15M → 10.54M	299*	73	+226	#5118	#4892
10.54M → 11.05M	224	2	+222	#4892	#4670
11.05M → Finish	126*	49	+77	#4670	#4593
TOTALS	1317*	234	+1083

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 29 days ago

Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

The San Francisco Marathon

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