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BOSTON MARATHON 2023

Michael Sorensen

Bib: 9877•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:07
Rank: #12015
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
47:43
Rank: #11601 (+414)
5K → 10K
23:36 | 7:36/mi
15K· 9.32 mi
1:10:45
Rank: #10841 (+760)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:34:18
Rank: #10593 (+248)
15K → 20K
23:33 | 7:35/mi
Half· 13.11 mi
1:39:17
Rank: #10482 (+111)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:58:02
Rank: #10466 (+16)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:22:33
Rank: #10336 (+130)
25K → 30K
24:31 | 7:53/mi
20M
2:33:18
Rank: #10274 (+62)
30K → 20M
10:45 | 7:55/mi
21M
2:41:36
Rank: #10174 (+100)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:47:10
Rank: #10078 (+96)
21M → 35K
5:34 | 7:26/mi
23M
2:56:43
Rank: #9875 (+203)
35K → 23M
9:33 | 7:38/mi
24M
3:04:21
Rank: #9783 (+92)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:11:09
Rank: #9761 (+22)
24M → 40K
6:48 | 7:57/mi
25.2M
3:14:07
Rank: #9748 (+13)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:21:53
Rank: #9690 (+58)
25.2M → Finish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:42:36
Pace7:50 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4224:077:4624:07
7:46
-
10K
6.21 mi11:13:1847:437:4123:36
7:36
-0:10
15K
9.32 mi11:36:201:10:457:3523:02
7:25
-0:11
20K
12.43 mi11:59:531:34:187:3523:33
7:35
+0:10
Half
13.11 mi12:04:521:39:177:344:59
7:18
-0:17
25K
15.53 mi12:23:371:58:027:3618:45
7:44
+0:26
30K
18.64 mi12:48:082:22:337:3924:31
7:53
+0:09
20M
20.00 mi12:58:532:33:187:4010:45
7:55
+0:02
21M
21.00 mi13:07:112:41:367:428:18
8:18
+0:23
35K
21.75 mi13:12:452:47:107:415:34
7:26
-0:52
23M
23.00 mi13:22:182:56:437:419:33
7:38
+0:12
24M
24.00 mi13:29:563:04:217:417:38
7:38
0:00
40K
24.85 mi13:36:443:11:097:416:48
7:57
+0:19
25.2M
25.20 mi13:39:423:14:077:422:58
8:36
+0:39
Finish
26.22 mi13:47:283:21:537:427:46
7:37
-0:59

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

7:18 /mi

Average Pace

7:42 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:37

94% of race

Time at Steady Pace

11:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi10:49:4224:077:4624:07
7:46
#12015
10K
6.21 mi11:13:1847:437:4123:36
7:36
#11601
15K
9.32 mi11:36:201:10:457:3523:02
7:25
#10841
20K
12.43 mi11:59:531:34:187:3523:33
7:35
#10593
Half
13.11 mi12:04:521:39:177:344:59
7:18
#10482
25K
15.53 mi12:23:371:58:027:3618:45
7:44
#10466
30K
18.64 mi12:48:082:22:337:3924:31
7:53
#10336
20M
20.00 mi12:58:532:33:187:4010:45
7:55
#10274
21M
21.00 mi13:07:112:41:367:428:18
8:18
#10174
35K
21.75 mi13:12:452:47:107:415:34
7:26
#10078
23M
23.00 mi13:22:182:56:437:419:33
7:38
#9875
24M
24.00 mi13:29:563:04:217:417:38
7:38
#9783
40K
24.85 mi13:36:443:11:097:416:48
7:57
#9761
25.2M
25.20 mi13:39:423:14:077:422:58
8:36
#9748
Finish
26.22 mi13:47:283:21:537:427:46
7:37
#9690
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi12015911991199441(Top 35%)7829(Top 52%)7829(Top 349%)
10K6.21 mi3.10 mi11601+4148928+1918928+19111281(Top 42%)8783(Top 58%)8783(Top 392%)
15K9.32 mi3.11 mi10841+7608569+3598569+3599441(Top 35%)7829(Top 52%)7829(Top 349%)
20K12.43 mi3.11 mi10593+2488456+1138456+1139937(Top 37%)8036(Top 53%)8036(Top 359%)
Half13.11 mi0.68 mi10482+1118408+488408+488631(Top 32%)7295(Top 48%)7295(Top 326%)
25K15.53 mi2.42 mi10466+168371+378371+3710539(Top 40%)8267(Top 54%)8267(Top 369%)
30K18.64 mi3.11 mi10336+1308252+1198252+11910055(Top 38%)7852(Top 52%)7852(Top 350%)
20M20.00 mi1.36 mi10274+628203+498203+499615(Top 36%)7531(Top 50%)7531(Top 336%)
21M21.00 mi1.00 mi10174+1008130+738130+739222(Top 35%)7194(Top 47%)7194(Top 321%)
35K21.75 mi0.75 mi10078+968059+718059+718083(Top 30%)6554(Top 43%)6554(Top 292%)
23M23.00 mi1.25 mi9875+2037925+1347925+1347268(Top 27%)5995(Top 40%)5995(Top 268%)
24M24.00 mi1.00 mi9783+927840+857840+858617(Top 32%)6684(Top 44%)6684(Top 298%)
40K24.85 mi0.85 mi9761+227798+427798+429703(Top 36%)7181(Top 47%)7181(Top 320%)
25.2M25.20 mi0.35 mi9748+137783+157783+1510111(Top 38%)7345(Top 48%)7345(Top 328%)
Finish26.22 mi1.02 mi9690+587716+677716+679396(Top 35%)6965(Top 46%)6965(Top 311%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9441

Males

7829

M40-44

7829

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11281

Males

8783

M40-44

8783

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9441

Males

7829

M40-44

7829

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9937

Males

8036

M40-44

8036

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8631

Males

7295

M40-44

7295

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10539

Males

8267

M40-44

8267

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10055

Males

7852

M40-44

7852

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9615

Males

7531

M40-44

7531

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9222

Males

7194

M40-44

7194

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8083

Males

6554

M40-44

6554

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7268

Males

5995

M40-44

5995

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8617

Males

6684

M40-44

6684

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9703

Males

7181

M40-44

7181

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10111

Males

7345

M40-44

7345

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9396

Males

6965

M40-44

6965

Passing Analysis

Category:
Athletes Passed
2985*
Passed By
660
Net Change
+2325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12015
5K → 10K555141+414#12015#11601
10K → 15K77313+760#11601#10841
15K → 20K30658+248#10841#10593
20K → Half1154+111#10593#10482
Half → 25K132116+16#10482#10466
25K → 30K22393+130#10466#10336
30K → 20M107*45+62#10336#10274
20M → 21M13636+100#10274#10174
21M → 35K1015+96#10174#10078
35K → 23M207*4+203#10078#9875
23M → 24M11725+92#9875#9783
24M → 40K74*52+22#9783#9761
40K → 25.2M4027+13#9761#9748
25.2M → Finish99*41+58#9748#9690
TOTALS2985*660+2325

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

📊

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