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BOSTON MARATHON 2023

Blaine Penny

AB

Bib: 520 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 0.6%
Gender (Male)
#0 / 15176
Top 0.9%
Masters (Masters Men)
#0 / 9891
Top 0.2%
Division (M45-49)
#0 / 2252
Top 0.1%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
5:50/mi
18:07
↑ 97↓ 345
10K· 6.21 mi
5:41/mi
35:46
↑ 79↓ 138
15K· 9.32 mi
5:42/mi
53:30
↑ 67↓ 78
20K· 12.43 mi
5:48/mi
1:11:30
↑ 106↓ 86
Half· 13.11 mi
5:40/mi
1:15:22
↑ 19↓ 37
25K· 15.53 mi
5:44/mi
1:29:15
↑ 66↓ 88
30K· 18.64 mi
5:48/mi
1:47:17
↑ 181↓ 148
20M
5:49/mi
1:55:11
↑ 64↓ 50
21M
6:06/mi
2:01:17
↑ 106↓ 24
35K· 21.75 mi
5:33/mi
2:05:26
↑ 17↓ 86
23M
5:46/mi
2:12:39
↑ 23↓ 63
24M
5:34/mi
2:18:13
↓ 82
40K· 24.85 mi
5:37/mi
2:23:01
↓ 20
25.2M
6:00/mi
2:25:05
↑ 13↓ 16
Finish· 26.22 mi
5:26/mi
2:30:37
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half
1:15:225:45 /mi⚖️ balanced
2nd Half
1:15:155:44 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report

Blaine's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
18:075:503.11 mi18:07
5:50
-
10K
35:465:453.10 mi17:39
5:41
-0:09
15K
53:305:443.11 mi17:44
5:42
+0:01
20K
1:11:305:453.11 mi18:00
5:48
+0:06
Half(13.11 mi)
1:15:225:450.68 mi3:52
5:40
-0:08
25K
1:29:155:452.42 mi13:53
5:44
+0:04
30K
1:47:175:453.11 mi18:02
5:48
+0:04
20M
1:55:115:461.36 mi7:54
5:49
+0:01
21M
2:01:175:471.00 mi6:06
6:06
+0:17
35K
2:05:265:460.75 mi4:09
5:33
-0:33
23M
2:12:395:461.25 mi7:13
5:46
+0:13
24M
2:18:135:461.00 mi5:34
5:34
-0:12
40K
2:23:015:450.85 mi4:48
5:37
+0:03
25.2M
2:25:055:450.35 mi2:04
6:00
+0:23
Finish(26.22 mi)
2:30:375:451.02 mi5:32
5:26
-0:34
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Blaine's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

5:26 /mi

Average Pace

5:45 /mi

Slowest Pace

6:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:22:27

95% of race

Time at Steady Pace

8:10

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:45 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi423388388257228228
10K3.10 mi354+69320+68320+68280250250
15K3.11 mi327+27294+26294+26257228228
20K3.11 mi315+12283+11283+11298268268
Half(13.11 mi)0.68 mi312+3280+3280+3236214214
25K2.42 mi295+17263+17263+17190168168
30K3.11 mi262+33235+28235+28161138138
20M1.36 mi251+11226+9226+9164142142
21M1.00 mi237+14211+15211+15158138138
35K0.75 mi221+16196+15196+151199898
23M1.25 mi208+13184+12184+121169898
24M1.00 mi196+12172+12172+121008383
40K0.85 mi182+14158+14158+14655555
25.2M0.35 mi174+8151+7151+7716565
Finish(26.22 mi)1.02 mi163+11142+9142+9716262

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1.0%
469 ft222 ft
↑ 97ft↓ 345ft
248 ft

Overall

257

Males

228

M45-49

228

5K→10K

3.1 - 6.2 mi

Top 1%
216 ft157 ft
↑ 79ft↓ 138ft
59 ft

Overall

280

Males

250

M45-49

250

10K→15K

6.2 - 9.3 mi

Top 1.0%
157 ft146 ft
↑ 67ft↓ 78ft
34 ft

Overall

257

Males

228

M45-49

228

15K→20K

9.3 - 12.4 mi

Top 1%
147 ft167 ft
↑ 106ft↓ 86ft
63 ft

Overall

298

Males

268

M45-49

268

20K→Half

12.4 - 13.1 mi

Top 0.9%
165 ft147 ft
↑ 19ft↓ 37ft
30 ft

Overall

236

Males

214

M45-49

214

Half→25K

13.1 - 15.5 mi

Top 0.7%
148 ft126 ft
↑ 66ft↓ 88ft
44 ft

Overall

190

Males

168

M45-49

168

25K→30K

15.5 - 18.6 mi

Top 0.6%
106 ft139 ft
↑ 181ft↓ 148ft
109 ft

Overall

161

Males

138

M45-49

138

30K→20M

18.6 - 20.0 mi

Top 0.6%
134 ft148 ft
↑ 64ft↓ 50ft
56 ft

Overall

164

Males

142

M45-49

142

20M→21M

20.0 - 21.0 mi

Top 0.6%
147 ft230 ft
↑ 106ft↓ 24ft
97 ft

Overall

158

Males

138

M45-49

138

21M→35K

21.0 - 21.8 mi

Top 0.4%
223 ft154 ft
↑ 17ft↓ 86ft
78 ft

Overall

119

Males

98

M45-49

98

35K→23M

21.8 - 23.0 mi

Top 0.4%
158 ft119 ft
↑ 23ft↓ 63ft
63 ft

Overall

116

Males

98

M45-49

98

23M→24M

23.0 - 24.0 mi

Top 0.4%
115 ft45 ft
↑ 12ft↓ 82ft
70 ft

Overall

100

Males

83

M45-49

83

24M→40K

24.0 - 24.9 mi

Top 0.2%
31 ft17 ft
↑ 6ft↓ 20ft
15 ft

Overall

65

Males

55

M45-49

55

40K→25.2M

24.9 - 25.2 mi

Top 0.3%
22 ft19 ft
↑ 13ft↓ 16ft
16 ft

Overall

71

Males

65

M45-49

65

25.2M→Finish

25.2 - 26.2 mi

Top 0.3%
16 ft17 ft
↑ 22ft↓ 21ft
19 ft

Overall

71

Males

62

M45-49

62

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing