Justin Brown

Medford, MA

Bib: 12088 M 27

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
8:39/mi
15:40
→ flat
12 ft elev
5.34M
9:11/mi
48:05
8074
19 ft elev
6.15M
10:48/mi
56:50
1262.8%
149 ft elev
10.54M
11:48/mi
1:48:36
2303610.6%
20 ft elev
11.05M
15:55/mi
1:56:43
1726.4%
213 ft elev
Finish· 13.11 mi
13:37/mi
2:24:45
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time56:50
Pace9:14 /mi
2nd Half
Distance6.96 mi
Time1:27:55
Pace12:38 /mi
📊Positive Split: 54.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:49:1815:408:3915:40
8:39
-
5.34M
5.34 mi07:21:4348:059:0032:25
9:11
+0:32
6.15M
6.15 mi07:30:2856:509:148:45
10:48
+1:37
10.54M
10.54 mi08:22:141:48:3610:1851:46
11:48
+1:00
11.05M
11.05 mi08:30:211:56:4310:348:07
15:55
+4:07
Finish
13.11 mi08:58:232:24:4511:0328:02
13:37
-2:18

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

8:39 /mi

Average Pace

11:03 /mi

Slowest Pace

15:55 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:05

33% of race

Time at Steady Pace

1:00:31

42% of race

Time at Slower Pace

36:09

25% of race

Average Pace: 11:02 /mi

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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
1.81M
1.81 mi06:49:1815:408:3915:40
8:39
#1398
5.34M
5.34 mi07:21:4348:059:0032:25
9:11
#1869
6.15M
6.15 mi07:30:2856:509:148:45
10:48
#2115
10.54M
10.54 mi08:22:141:48:3610:1851:46
11:48
#3597
11.05M
11.05 mi08:30:211:56:4310:348:07
15:55
#3696
Finish
13.11 mi08:58:232:24:4511:0328:02
13:37
#4266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi139810922721398(Top 20%)1092(Top 27%)272(Top 30%)
5.34M5.34 mi3.53 mi1869-4711415-323353-812123(Top 30%)1572(Top 40%)399(Top 44%)
6.15M6.15 mi0.81 mi2115-2461569-154394-413858(Top 54%)2517(Top 63%)623(Top 69%)
10.54M10.54 mi4.39 mi3597-14822391-822572-1785194(Top 73%)3144(Top 79%)754(Top 84%)
11.05M11.05 mi0.51 mi3696-992438-47589-174519(Top 64%)2800(Top 70%)675(Top 75%)
Finish13.11 mi2.06 mi4266-5702711-273653-646047(Top 85%)3454(Top 87%)799(Top 89%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 20%
~flat
+4ft-3ft

Overall

1398

Males

1092

M25-29

273

1.81M→5.34M

1.8 - 5.3 mi

Top 30%
×4story building
+80ft-74ft

Overall

2123

Males

1572

M25-29

400

5.34M→6.15M

5.3 - 6.2 mi

Top 54%
×10story building
+126ft-4ft

Overall

3858

Males

2517

M25-29

624

6.15M→10.54M

6.2 - 10.5 mi

Top 73%
×21story building
+230ft-361ft

Overall

5194

Males

3144

M25-29

755

10.54M→11.05M

10.5 - 11.1 mi

Top 64%
×14story building
+172ft-0ft

Overall

4519

Males

2800

M25-29

676

11.05M→Finish

11.1 - 13.1 mi

Top 85%
×7story building
+97ft-114ft

Overall

6047

Males

3454

M25-29

799

Passing Analysis

Category:
Athletes Passed
76*
Passed By
2944
Net Change
-2868
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1398
1.81M5.34M41512-471#1398#1869
5.34M6.15M5251-246#1869#2115
6.15M10.54M10*1492-1482#2115#3597
10.54M11.05M8107-99#3597#3696
11.05MFinish12*582-570#3696#4266
TOTALS76*2944-2868

* 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

Race Place Events

Race Place Events