Leif Muffett

Bib: 3866•M•Age: 40

Fremont, CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 4888

Top 32%

Gender (Male)

#0 / 3570

Top 37%

Masters (Masters Men)

#0 / 1128

Top 30%

Division (M40-44)

#0 / 341

Top 37%

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

18:43

Rank: #2740

Start → 2.2 Miles

18:43 | 8:30/mi

2.2 Miles

18:43

Rank: #2740

Start → 2.2 Miles

18:43 | 8:30/mi

5.7 Miles

52:52

Rank: #2242 (+498)

2.2 Miles → 5.7 Miles

34:09 | 9:46/mi

5.7 Miles

52:52

Rank: #2242 (+498)

2.2 Miles → 5.7 Miles

34:09 | 9:46/mi

6.43 Miles

1:02:18

Rank: #2203 (+39)

5.7 Miles → 6.43 Miles

9:26 | 12:55/mi

6.43 Miles

1:02:18

Rank: #2203 (+39)

5.7 Miles → 6.43 Miles

9:26 | 12:55/mi

10.92 Miles

1:39:55

Rank: #1903 (+300)

6.43 Miles → 10.92 Miles

37:37 | 8:23/mi

10.92 Miles

1:39:55

Rank: #1903 (+300)

6.43 Miles → 10.92 Miles

37:37 | 8:23/mi

Garmin Hill Challenge· 11.42 mi

1:45:39

Rank: #1891 (+12)

10.92 Miles → Garmin Hill Challenge

5:44 | 11:28/mi

Garmin Hill Challenge· 11.42 mi

1:45:39

Rank: #1891 (+12)

10.92 Miles → Garmin Hill Challenge

5:44 | 11:28/mi

14.95 Miles

2:15:52

Rank: #1891

Garmin Hill Challenge → 14.95 Miles

30:13 | 8:34/mi

14.95 Miles

2:15:52

Rank: #1891

Garmin Hill Challenge → 14.95 Miles

30:13 | 8:34/mi

18 Miles

2:47:05

Rank: #1795 (+96)

14.95 Miles → 18 Miles

31:13 | 10:14/mi

18 Miles

2:47:05

Rank: #1795 (+96)

14.95 Miles → 18 Miles

31:13 | 10:14/mi

24 Miles

3:41:57

Rank: #1558 (+237)

18 Miles → 24 Miles

54:52 | 9:09/mi

24 Miles

3:41:57

Rank: #1558 (+237)

18 Miles → 24 Miles

54:52 | 9:09/mi

Finish· 26.22 mi

4:02:54

Rank: #1543 (+15)

24 Miles → Finish

20:57 | 9:26/mi

Finish· 26.22 mi

4:02:54

Rank: #1543 (+15)

24 Miles → Finish

20:57 | 9:26/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	05:42:58	18:43	8:30	18:43	8:30	-
5.7 Miles	5.70 mi	06:17:07	52:52	9:17	34:09	9:46	+1:16
6.43 Miles	6.43 mi	06:26:33	1:02:18	9:41	9:26	12:55	+3:09
10.92 Miles	10.92 mi	07:04:10	1:39:55	9:09	37:37	8:23	-4:32
Garmin Hill Challenge	11.42 mi	07:09:54	1:45:39	9:15	5:44	11:28	+3:05
14.95 Miles	14.95 mi	07:40:07	2:15:52	9:05	30:13	8:34	-2:54
18 Miles	18.00 mi	08:11:20	2:47:05	9:17	31:13	10:14	+1:40
24 Miles	24.00 mi	09:06:12	3:41:57	9:15	54:52	9:09	-1:05
Finish	26.22 mi	09:27:09	4:02:54	9:16	20:57	9:26	+0:17

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

8:23 /mi

Average Pace

9:16 /mi

Slowest Pace

12:55 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:33

36% of race

Time at Steady Pace

1:49:58

45% of race

Time at Slower Pace

46:23

19% of race

Average Pace: 9:16 /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	05:42:58	18:43	8:30	18:43	8:30	#2740
5.7 Miles	5.70 mi	06:17:07	52:52	9:17	34:09	9:46	#2242
6.43 Miles	6.43 mi	06:26:33	1:02:18	9:41	9:26	12:55	#2203
10.92 Miles	10.92 mi	07:04:10	1:39:55	9:09	37:37	8:23	#1903
Garmin Hill Challenge	11.42 mi	07:09:54	1:45:39	9:15	5:44	11:28	#1891
14.95 Miles	14.95 mi	07:40:07	2:15:52	9:05	30:13	8:34	#1891
18 Miles	18.00 mi	08:11:20	2:47:05	9:17	31:13	10:14	#1795
24 Miles	24.00 mi	09:06:12	3:41:57	9:15	54:52	9:09	#1558
Finish	26.22 mi	09:27:09	4:02:54	9:16	20:57	9:26	#1543

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
2.2 Miles	2.20 mi	2.20 mi	2740	2211	210	2740(Top 56%)	2211(Top 62%)	210(Top 62%)
5.7 Miles	5.70 mi	3.50 mi	2242+498	1866+345	184+26	2045(Top 42%)	1722(Top 48%)	168(Top 49%)
6.43 Miles	6.43 mi	0.73 mi	2203+39	1841+25	180+4	2100(Top 43%)	1768(Top 50%)	161(Top 47%)
10.92 Miles	10.92 mi	4.49 mi	1903+300	1619+222	153+27	1398(Top 29%)	1218(Top 34%)	109(Top 32%)
Garmin Hill Challenge	11.42 mi	0.50 mi	1891+12	1610+9	150+3	1927(Top 39%)	1638(Top 46%)	150(Top 44%)
14.95 Miles	14.95 mi	3.53 mi	1891	1607+3	151-1	2035(Top 42%)	1708(Top 48%)	166(Top 49%)
18 Miles	18.00 mi	3.05 mi	1795+96	1530+77	144+7	1596(Top 33%)	1363(Top 38%)	128(Top 38%)
24 Miles	24.00 mi	6.00 mi	1558+237	1326+204	127+17	1213(Top 25%)	1029(Top 29%)	99(Top 29%)
Finish	26.22 mi	2.22 mi	1543+15	1308+18	126+1	1492(Top 31%)	1221(Top 34%)	107(Top 31%)

Passing Analysis

Category:

Athletes Passed

1369*

Passed By

172

Net Change

+1197

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2 Miles	-	-	-	-	#2740
2.2 Miles → 5.7 Miles	525*	27	+498	#2740	#2242
5.7 Miles → 6.43 Miles	51	12	+39	#2242	#2203
6.43 Miles → 10.92 Miles	304*	4	+300	#2203	#1903
10.92 Miles → Garmin Hill Challenge	26	14	+12	#1903	#1891
Garmin Hill Challenge → 14.95 Miles	51	51	0	#1891	#1891
14.95 Miles → 18 Miles	115*	19	+96	#1891	#1795
18 Miles → 24 Miles	252*	15	+237	#1795	#1558
24 Miles → Finish	45*	30	+15	#1558	#1543
TOTALS	1369*	172	+1197

* 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.

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The San Francisco Marathon

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Race Place Events

Leif Muffett

⏱️ 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