Brian Pfeifer

Bib: 13388MAge: 50

Sacramento, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 23%
Gender (Male)
#0 / 3619
Top 32%
Masters (Masters Men)
#0 / 1030
Top 23%
Division (M50-54)
#0 / 196
Top 26%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:29/mi
18:58
→ flat
4M
9:14/mi
37:25
6769
6M
9:17/mi
55:59
1231.1%
8M
10:19/mi
1:16:38
166531.1%
9.6M
7:01/mi
1:27:52
681931.5%
10M
15:29/mi
1:34:03
241.1%
10.5M
4:22/mi
1:36:14
732.7%
12M
12:20/mi
1:54:44
2803.2%
Finish· 13.11 mi
8:50/mi
2:04:32
14891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:59
Pace9:20 /mi
2nd Half
Distance7.11 mi
Time1:08:33
Pace9:39 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:3318:589:2918:58
9:29
-
4M
4.00 mi07:15:0037:259:2118:27
9:14
-0:15
6M
6.00 mi07:33:3455:599:2018:34
9:17
+0:03
8M
8.00 mi07:54:131:16:389:3520:39
10:19
+1:02
9.6M
9.60 mi08:05:271:27:529:0911:14
7:01
-3:18
10M
10.00 mi08:11:381:34:039:246:11
15:29
+8:28
10.5M
10.50 mi08:13:491:36:149:102:11
4:22
-11:07
12M
12.00 mi08:32:191:54:449:3418:30
12:20
+7:58
Finish
13.11 mi08:42:072:04:329:309:48
8:50
-3:30

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

4:22 /mi

Average Pace

9:30 /mi

Slowest Pace

15:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:25

11% of race

Time at Steady Pace

1:26:26

69% of race

Time at Slower Pace

24:41

20% of race

Average Pace: 9:30 /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.

Loading...
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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi06:56:3318:589:2918:58
9:29
#2229
4M
4.00 mi07:15:0037:259:2118:27
9:14
#1956
6M
6.00 mi07:33:3455:599:2018:34
9:17
#1890
8M
8.00 mi07:54:131:16:389:3520:39
10:19
#2090
9.6M
9.60 mi08:05:271:27:529:0911:14
7:01
#1730
10M
10.00 mi08:11:381:34:039:246:11
15:29
#1659
10.5M
10.50 mi08:13:491:36:149:102:11
4:22
#1651
12M
12.00 mi08:32:191:54:449:3418:30
12:20
#1582
Finish
13.11 mi08:42:072:04:329:309:48
8:50
#1532
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 15%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:22

Segment Time

9:18/mi

Pace

0.90 mi

Distance

Overall

1001

Men

792

Division

25

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi22291598661451(Top 22%)1068(Top 30%)42(Top 21%)
4M4.00 mi2.00 mi1956+2731448+15061+51744(Top 27%)1319(Top 36%)55(Top 28%)
6M6.00 mi2.00 mi1890+661410+38611773(Top 27%)1331(Top 37%)52(Top 27%)
8M8.00 mi2.00 mi2090-2001538-12870-92763(Top 42%)1953(Top 54%)90(Top 46%)
9.6M9.60 mi1.60 mi1730+3601297+24157+13688(Top 10%)508(Top 14%)20(Top 10%)
10M10.00 mi0.40 mi1659+711258+3956+1962(Top 15%)746(Top 21%)27(Top 14%)
10.5M10.50 mi0.50 mi1651+81252+655+11480(Top 23%)1144(Top 32%)37(Top 19%)
12M12.00 mi1.50 mi1582+691201+5153+21451(Top 22%)1068(Top 30%)42(Top 21%)
Finish13.11 mi1.11 mi1532+501173+2851+21464(Top 22%)1105(Top 31%)45(Top 23%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1451

Males

1068

M50-54

42

2M→4M

2.0 - 4.0 mi

Top 27%
×4story building
+67ft-69ft

Overall

1744

Males

1319

M50-54

55

4M→6M

4.0 - 6.0 mi

Top 27%
×9story building
+123ft-9ft

Overall

1773

Males

1331

M50-54

52

6M→8M

6.0 - 8.0 mi

Top 42%
×12story building
+166ft-53ft

Overall

2763

Males

1953

M50-54

90

8M→9.6M

8.0 - 9.6 mi

Top 10%
×13story building
+68ft-193ft

Overall

688

Males

508

M50-54

20

9.6M→10M

9.6 - 10.0 mi

Top 15%
×2story building
+0ft-24ft

Overall

962

Males

746

M50-54

27

10M→10.5M

10.0 - 10.5 mi

Top 23%
×6story building
+1ft-73ft

Overall

1480

Males

1144

M50-54

37

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1451

Males

1068

M50-54

42

12M→Finish

12.0 - 13.1 mi

Top 22%
×7story building
+14ft-89ft

Overall

1464

Males

1105

M50-54

45

Passing Analysis

Category:
Athletes Passed
1062*
Passed By
365
Net Change
+697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2229
2M4M29219+273#2229#1956
4M6M10337+66#1956#1890
6M8M49*249-200#1890#2090
8M9.6M3633+360#2090#1730
9.6M10M754+71#1730#1659
10M10.5M124+8#1659#1651
10.5M12M10536+69#1651#1582
12MFinish63*13+50#1582#1532
TOTALS1062*365+697

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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