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BOSTON MARATHON 2023

Marc Sonnenberg

Bib: 4734•M

NY

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 (M40-44)
#0 / 2241
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5042
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:08
Rank: #4796 (+246)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:48
Rank: #4388 (+408)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:23:56
Rank: #4384 (+4)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:28:29
Rank: #4362 (+22)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:59
Rank: #4303 (+59)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:06:11
Rank: #4029 (+274)
25K → 30K
21:12 | 6:49/mi
20M
2:15:46
Rank: #4041 (-12)
30K → 20M
9:35 | 7:03/mi
21M
2:23:04
Rank: #3982 (+59)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:28:14
Rank: #4020 (-38)
21M → 35K
5:10 | 6:54/mi
23M
2:37:16
Rank: #4090 (-70)
35K → 23M
9:02 | 7:13/mi
24M
2:44:20
Rank: #4154 (-64)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:50:32
Rank: #4203 (-49)
24M → 40K
6:12 | 7:15/mi
25.2M
2:53:05
Rank: #4187 (+16)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:59:44
Rank: #4121 (+66)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:29
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:31:15
Pace6:58 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4321:156:5021:15
6:50
-
10K
6.21 mi10:44:3642:086:4720:53
6:43
-0:07
15K
9.32 mi11:05:161:02:486:4420:40
6:39
-0:04
20K
12.43 mi11:26:241:23:566:4521:08
6:48
+0:09
Half
13.11 mi11:30:571:28:296:454:33
6:40
-0:08
25K
15.53 mi11:47:271:44:596:4516:30
6:48
+0:08
30K
18.64 mi12:08:392:06:116:4621:12
6:49
+0:01
20M
20.00 mi12:18:142:15:466:479:35
7:03
+0:14
21M
21.00 mi12:25:322:23:046:497:18
7:18
+0:15
35K
21.75 mi12:30:422:28:146:495:10
6:54
-0:24
23M
23.00 mi12:39:442:37:166:509:02
7:13
+0:19
24M
24.00 mi12:46:482:44:206:517:04
7:04
-0:09
40K
24.85 mi12:53:002:50:326:526:12
7:15
+0:11
25.2M
25.20 mi12:55:332:53:056:522:33
7:24
+0:09
Finish
26.22 mi13:02:122:59:446:526:39
6:32
-0:52

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

6:32 /mi

Average Pace

6:52 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:39

86% of race

Time at Steady Pace

25:05

14% 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 mi10:23:4321:156:5021:15
6:50
#5042
10K
6.21 mi10:44:3642:086:4720:53
6:43
#4796
15K
9.32 mi11:05:161:02:486:4420:40
6:39
#4388
20K
12.43 mi11:26:241:23:566:4521:08
6:48
#4384
Half
13.11 mi11:30:571:28:296:454:33
6:40
#4362
25K
15.53 mi11:47:271:44:596:4516:30
6:48
#4303
30K
18.64 mi12:08:392:06:116:4621:12
6:49
#4029
20M
20.00 mi12:18:142:15:466:479:35
7:03
#4041
21M
21.00 mi12:25:322:23:046:497:18
7:18
#3982
35K
21.75 mi12:30:422:28:146:495:10
6:54
#4020
23M
23.00 mi12:39:442:37:166:509:02
7:13
#4090
24M
24.00 mi12:46:482:44:206:517:04
7:04
#4154
40K
24.85 mi12:53:002:50:326:526:12
7:15
#4203
25.2M
25.20 mi12:55:332:53:056:522:33
7:24
#4187
Finish
26.22 mi13:02:122:59:446:526:39
6:32
#4121
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5042467746773705(Top 14%)3493(Top 23%)3493(Top 156%)
10K6.21 mi3.10 mi4796+2464459+2184459+2184558(Top 17%)4255(Top 28%)4255(Top 190%)
15K9.32 mi3.11 mi4388+4084106+3534106+3533705(Top 14%)3493(Top 23%)3493(Top 156%)
20K12.43 mi3.11 mi4384+44103+34103+34446(Top 17%)4147(Top 27%)4147(Top 185%)
Half13.11 mi0.68 mi4362+224083+204083+204047(Top 15%)3799(Top 25%)3799(Top 170%)
25K15.53 mi2.42 mi4303+594033+504033+504197(Top 16%)3928(Top 26%)3928(Top 175%)
30K18.64 mi3.11 mi4029+2743789+2443789+2443150(Top 12%)2970(Top 20%)2970(Top 133%)
20M20.00 mi1.36 mi4041-123799-103799-104325(Top 16%)3985(Top 26%)3985(Top 178%)
21M21.00 mi1.00 mi3982+593742+573742+573612(Top 14%)3352(Top 22%)3352(Top 150%)
35K21.75 mi0.75 mi4020-383772-303772-304775(Top 18%)4311(Top 28%)4311(Top 192%)
23M23.00 mi1.25 mi4090-703831-593831-594850(Top 18%)4349(Top 29%)4349(Top 194%)
24M24.00 mi1.00 mi4154-643890-593890-594991(Top 19%)4409(Top 29%)4409(Top 197%)
40K24.85 mi0.85 mi4203-493932-423932-425125(Top 19%)4421(Top 29%)4421(Top 197%)
25.2M25.20 mi0.35 mi4187+163918+143918+143405(Top 13%)3088(Top 20%)3088(Top 138%)
Finish26.22 mi1.02 mi4121+663856+623856+622628(Top 10%)2414(Top 16%)2414(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3705

Males

3493

M40-44

3493

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4558

Males

4255

M40-44

4255

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3705

Males

3493

M40-44

3493

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4446

Males

4147

M40-44

4147

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4047

Males

3799

M40-44

3799

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4197

Males

3928

M40-44

3928

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3150

Males

2970

M40-44

2970

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4325

Males

3985

M40-44

3985

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3612

Males

3352

M40-44

3352

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4775

Males

4311

M40-44

4311

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4850

Males

4349

M40-44

4349

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4991

Males

4409

M40-44

4409

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5125

Males

4421

M40-44

4421

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3405

Males

3088

M40-44

3088

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2628

Males

2414

M40-44

2414

Passing Analysis

Category:
Athletes Passed
1708
Passed By
787
Net Change
+921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5042
5K → 10K347101+246#5042#4796
10K → 15K42315+408#4796#4388
15K → 20K108104+4#4388#4384
20K → Half3210+22#4384#4362
Half → 25K11556+59#4362#4303
25K → 30K29218+274#4303#4029
30K → 20M4860-12#4029#4041
20M → 21M9334+59#4041#3982
21M → 35K3068-38#3982#4020
35K → 23M34104-70#4020#4090
23M → 24M39103-64#4090#4154
24M → 40K4392-49#4154#4203
40K → 25.2M2610+16#4203#4187
25.2M → Finish7812+66#4187#4121
TOTALS1708787+921
📊

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