David Warfel

Bib: 13849•M•Age: 23

Sunnyvale, CA

0:00

0:00

/ mi

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Overall

#0 / 7100

Gender (Male)

#0 / 3977

M20-29

#0 / 437

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

8:38/mi

15:38

→ flat

5.34M

8:58/mi

47:18

↑ 80 ft↓ 74 ft

6.15M

9:10/mi

54:43

↑ 126 ft2.8% grade

10.54M

11:31/mi

1:45:17

↑ 230 ft↓ 361 ft0.6% grade

11.05M

22:17/mi

1:56:39

↑ 172 ft6.4% grade

Finish· 13.11 mi

15:36/mi

2:28:46

↑ 97 ft↓ 114 ft0.2% grade

The Course

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Half Splits

1st Half· via 6.15MFaster

Distance6.15 mi

Time54:43

Pace8:54 /mi

2nd Half

Distance6.96 mi

Time1:34:03

Pace13:31 /mi

📊Positive Split: 71.9% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
1.81M	1.81 mi	06:50:55	15:38	8:38	15:38	8:38	-
5.34M	5.34 mi	07:22:35	47:18	8:51	31:40	8:58	+0:20
6.15M	6.15 mi	07:30:00	54:43	8:54	7:25	9:10	+0:12
10.54M	10.54 mi	08:20:34	1:45:17	9:59	50:34	11:31	+2:21
11.05M	11.05 mi	08:31:56	1:56:39	10:33	11:22	22:17	+10:46
Finish	13.11 mi	09:04:03	2:28:46	11:21	32:07	15:36	-6:41

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

8:38 /mi

Average Pace

11:21 /mi

Slowest Pace

22:17 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:18

32% of race

Time at Steady Pace

57:59

39% of race

Time at Slower Pace

43:29

29% of race

Average Pace: 11:21 /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	06:50:55	15:38	8:38	15:38	8:38	#1365
5.34M	5.34 mi	07:22:35	47:18	8:51	31:40	8:58	#1616
6.15M	6.15 mi	07:30:00	54:43	8:54	7:25	9:10	#1567
10.54M	10.54 mi	08:20:34	1:45:17	9:59	50:34	11:31	#3122
11.05M	11.05 mi	08:31:56	1:56:39	10:33	11:22	22:17	#3678
Finish	13.11 mi	09:04:03	2:28:46	11:21	32:07	15:36	#4663

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M20-29	Seg. Overall	Seg. Males	Seg. M20-29
1.81M	1.81 mi	1.81 mi	1365	1073	159	1365(Top 19%)	1073(Top 27%)	159(Top 36%)
5.34M	5.34 mi	3.53 mi	1616-251	1237-164	182-23	1792(Top 25%)	1361(Top 34%)	208(Top 48%)
6.15M	6.15 mi	0.81 mi	1567+49	1211+26	176+6	1502(Top 21%)	1167(Top 29%)	184(Top 42%)
10.54M	10.54 mi	4.39 mi	3122-1555	2137-926	301-125	4896(Top 69%)	3008(Top 76%)	371(Top 85%)
11.05M	11.05 mi	0.51 mi	3678-556	2431-294	329-28	6983(Top 98%)	3914(Top 98%)	434(Top 99%)
Finish	13.11 mi	2.06 mi	4663-985	2898-467	371-42	6714(Top 95%)	3777(Top 95%)	428(Top 98%)

428

Passing Analysis

Category:

Athletes Passed

143*

Passed By

3441

Net Change

-3298

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 1.81M	-	-	-	-	#1365
1.81M → 5.34M	65	316	-251	#1365	#1616
5.34M → 6.15M	67	18	+49	#1616	#1567
6.15M → 10.54M	4	1559	-1555	#1567	#3122
10.54M → 11.05M	0	556	-556	#3122	#3678
11.05M → Finish	7*	992	-985	#3678	#4663
TOTALS	143*	3441	-3298

* 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

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The San Francisco Marathon

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