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BOSTON MARATHON 2023

David Behr

Bib: 6880•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M45-49)
#0 / 2252
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3670
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:43
Rank: #4121 (-451)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:02:42
Rank: #4283 (-162)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:50
Rank: #4310 (-27)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:28:25
Rank: #4309 (+1)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:01
Rank: #4327 (-18)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:06:28
Rank: #4156 (+171)
25K → 30K
21:27 | 6:54/mi
20M
2:16:04
Rank: #4186 (-30)
30K → 20M
9:36 | 7:04/mi
21M
2:23:21
Rank: #4108 (+78)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:28:29
Rank: #4121 (-13)
21M → 35K
5:08 | 6:52/mi
23M
2:37:21
Rank: #4127 (-6)
35K → 23M
8:52 | 7:05/mi
24M
2:44:12
Rank: #4098 (+29)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:50:11
Rank: #4092 (+6)
24M → 40K
5:59 | 7:00/mi
25.2M
2:52:45
Rank: #4073 (+19)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:59:36
Rank: #4074 (-1)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4320:496:4220:49
6:42
-
10K
6.21 mi10:45:3741:436:4320:54
6:44
+0:02
15K
9.32 mi11:06:361:02:426:4420:59
6:45
+0:01
20K
12.43 mi11:27:441:23:506:4521:08
6:48
+0:03
Half
13.11 mi11:32:191:28:256:454:35
6:43
-0:05
25K
15.53 mi11:48:551:45:016:4616:36
6:51
+0:08
30K
18.64 mi12:10:222:06:286:4721:27
6:54
+0:03
20M
20.00 mi12:19:582:16:046:489:36
7:04
+0:10
21M
21.00 mi12:27:152:23:216:507:17
7:17
+0:13
35K
21.75 mi12:32:232:28:296:505:08
6:52
-0:25
23M
23.00 mi12:41:152:37:216:508:52
7:05
+0:13
24M
24.00 mi12:48:062:44:126:516:51
6:51
-0:14
40K
24.85 mi12:54:052:50:116:515:59
7:00
+0:09
25.2M
25.20 mi12:56:392:52:456:512:34
7:27
+0:27
Finish
26.22 mi13:03:302:59:366:516:51
6:43
-0:44

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

6:42 /mi

Average Pace

6:51 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:02

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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...
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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:4320:496:4220:49
6:42
#3670
10K
6.21 mi10:45:3741:436:4320:54
6:44
#4121
15K
9.32 mi11:06:361:02:426:4420:59
6:45
#4283
20K
12.43 mi11:27:441:23:506:4521:08
6:48
#4310
Half
13.11 mi11:32:191:28:256:454:35
6:43
#4309
25K
15.53 mi11:48:551:45:016:4616:36
6:51
#4327
30K
18.64 mi12:10:222:06:286:4721:27
6:54
#4156
20M
20.00 mi12:19:582:16:046:489:36
7:04
#4186
21M
21.00 mi12:27:152:23:216:507:17
7:17
#4108
35K
21.75 mi12:32:232:28:296:505:08
6:52
#4121
23M
23.00 mi12:41:152:37:216:508:52
7:05
#4127
24M
24.00 mi12:48:062:44:126:516:51
6:51
#4098
40K
24.85 mi12:54:052:50:116:515:59
7:00
#4092
25.2M
25.20 mi12:56:392:52:456:512:34
7:27
#4073
Finish
26.22 mi13:03:302:59:366:516:51
6:43
#4074
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3670345434544646(Top 17%)4339(Top 29%)4339(Top 193%)
10K6.21 mi3.10 mi4121-4513871-4173871-4174602(Top 17%)4290(Top 28%)4290(Top 190%)
15K9.32 mi3.11 mi4283-1624011-1404011-1404646(Top 17%)4339(Top 29%)4339(Top 193%)
20K12.43 mi3.11 mi4310-274038-274038-274445(Top 17%)4146(Top 27%)4146(Top 184%)
Half13.11 mi0.68 mi4309+14034+44034+44489(Top 17%)4181(Top 28%)4181(Top 186%)
25K15.53 mi2.42 mi4327-184055-214055-214537(Top 17%)4224(Top 28%)4224(Top 188%)
30K18.64 mi3.11 mi4156+1713907+1483907+1483687(Top 14%)3461(Top 23%)3461(Top 154%)
20M20.00 mi1.36 mi4186-303927-203927-204396(Top 17%)4045(Top 27%)4045(Top 180%)
21M21.00 mi1.00 mi4108+783853+743853+743528(Top 13%)3279(Top 22%)3279(Top 146%)
35K21.75 mi0.75 mi4121-133861-83861-84546(Top 17%)4137(Top 27%)4137(Top 184%)
23M23.00 mi1.25 mi4127-63865-43865-44200(Top 16%)3843(Top 25%)3843(Top 171%)
24M24.00 mi1.00 mi4098+293837+283837+283932(Top 15%)3591(Top 24%)3591(Top 159%)
40K24.85 mi0.85 mi4092+63829+83829+83838(Top 14%)3455(Top 23%)3455(Top 153%)
25.2M25.20 mi0.35 mi4073+193812+173812+173620(Top 14%)3248(Top 21%)3248(Top 144%)
Finish26.22 mi1.02 mi4074-1381238123629(Top 14%)3243(Top 21%)3243(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4646

Males

4339

M45-49

4339

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4602

Males

4290

M45-49

4290

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4646

Males

4339

M45-49

4339

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4445

Males

4146

M45-49

4146

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4489

Males

4181

M45-49

4181

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4537

Males

4224

M45-49

4224

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3687

Males

3461

M45-49

3461

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4396

Males

4045

M45-49

4045

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3528

Males

3279

M45-49

3279

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4546

Males

4137

M45-49

4137

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4200

Males

3843

M45-49

3843

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3932

Males

3591

M45-49

3591

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3838

Males

3455

M45-49

3455

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3620

Males

3248

M45-49

3248

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3629

Males

3243

M45-49

3243

Passing Analysis

Category:
Athletes Passed
984
Passed By
1388
Net Change
-404
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3670
5K → 10K61512-451#3670#4121
10K → 15K75237-162#4121#4283
15K → 20K85112-27#4283#4310
20K → Half2120+1#4310#4309
Half → 25K84102-18#4309#4327
25K → 30K21039+171#4327#4156
30K → 20M5181-30#4156#4186
20M → 21M10729+78#4186#4108
21M → 35K2740-13#4108#4121
35K → 23M5965-6#4121#4127
23M → 24M6839+29#4127#4098
24M → 40K5246+6#4098#4092
40K → 25.2M3112+19#4092#4073
25.2M → Finish5354-1#4073#4074
TOTALS9841388-404
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing