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BOSTON MARATHON 2023

Michael Prew

Bib: 26518•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #17301
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:14
Rank: #17244 (+57)
5K → 10K
25:56 | 8:21/mi
15K· 9.32 mi
1:18:26
Rank: #17290 (-46)
10K → 15K
26:12 | 8:26/mi
20K· 12.43 mi
1:44:07
Rank: #16778 (+512)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:49:44
Rank: #16765 (+13)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:09:54
Rank: #16486 (+279)
Half → 25K
20:10 | 8:19/mi
30K· 18.64 mi
2:36:16
Rank: #16039 (+447)
25K → 30K
26:22 | 8:29/mi
20M
2:47:30
Rank: #15703 (+336)
30K → 20M
11:14 | 8:16/mi
21M
2:55:56
Rank: #15375 (+328)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
3:02:10
Rank: #15311 (+64)
21M → 35K
6:14 | 8:20/mi
23M
3:12:37
Rank: #15114 (+197)
35K → 23M
10:27 | 8:21/mi
24M
3:20:58
Rank: #15048 (+66)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:28:11
Rank: #14951 (+97)
24M → 40K
7:13 | 8:26/mi
25.2M
3:31:15
Rank: #14891 (+60)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:39:27
Rank: #14800 (+91)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:49:44
Pace8:22 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:43
Pace8:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:3726:188:2826:18
8:28
-
10K
6.21 mi12:08:3352:148:2425:56
8:21
-0:07
15K
9.32 mi12:34:451:18:268:2526:12
8:26
+0:05
20K
12.43 mi13:00:261:44:078:2325:41
8:16
-0:10
Half
13.11 mi13:06:031:49:448:225:37
8:14
-0:02
25K
15.53 mi13:26:132:09:548:2220:10
8:19
+0:05
30K
18.64 mi13:52:352:36:168:2326:22
8:29
+0:10
20M
20.00 mi14:03:492:47:308:2211:14
8:16
-0:13
21M
21.00 mi14:12:152:55:568:238:26
8:26
+0:10
35K
21.75 mi14:18:293:02:108:236:14
8:20
-0:06
23M
23.00 mi14:28:563:12:378:2210:27
8:21
+0:01
24M
24.00 mi14:37:173:20:588:228:21
8:21
0:00
40K
24.85 mi14:44:303:28:118:237:13
8:26
+0:05
25.2M
25.20 mi14:47:343:31:158:233:04
8:54
+0:28
Finish
26.22 mi14:55:463:39:278:238:12
8:03
-0:51

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

8:03 /mi

Average Pace

8:23 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:23

99% of race

Time at Steady Pace

3:04

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:22 /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 mi11:42:3726:188:2826:18
8:28
#17301
10K
6.21 mi12:08:3352:148:2425:56
8:21
#17244
15K
9.32 mi12:34:451:18:268:2526:12
8:26
#17290
20K
12.43 mi13:00:261:44:078:2325:41
8:16
#16778
Half
13.11 mi13:06:031:49:448:225:37
8:14
#16765
25K
15.53 mi13:26:132:09:548:2220:10
8:19
#16486
30K
18.64 mi13:52:352:36:168:2326:22
8:29
#16039
20M
20.00 mi14:03:492:47:308:2211:14
8:16
#15703
21M
21.00 mi14:12:152:55:568:238:26
8:26
#15375
35K
21.75 mi14:18:293:02:108:236:14
8:20
#15311
23M
23.00 mi14:28:563:12:378:2210:27
8:21
#15114
24M
24.00 mi14:37:173:20:588:228:21
8:21
#15048
40K
24.85 mi14:44:303:28:118:237:13
8:26
#14951
25.2M
25.20 mi14:47:343:31:158:233:04
8:54
#14891
Finish
26.22 mi14:55:463:39:278:238:12
8:03
#14800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17301111501115017337(Top 65%)11186(Top 74%)11186(Top 212%)
10K6.21 mi3.10 mi17244+5711141+911141+917213(Top 65%)11183(Top 74%)11183(Top 212%)
15K9.32 mi3.11 mi17290-4611181-4011181-4017337(Top 65%)11186(Top 74%)11186(Top 212%)
20K12.43 mi3.11 mi16778+51210968+21310968+21315377(Top 58%)10406(Top 69%)10406(Top 197%)
Half13.11 mi0.68 mi16765+1310963+510963+515965(Top 60%)10665(Top 70%)10665(Top 202%)
25K15.53 mi2.42 mi16486+27910835+12810835+12815055(Top 57%)10163(Top 67%)10163(Top 192%)
30K18.64 mi3.11 mi16039+44710620+21510620+21514224(Top 53%)9740(Top 64%)9740(Top 184%)
20M20.00 mi1.36 mi15703+33610474+14610474+14612137(Top 46%)8774(Top 58%)8774(Top 166%)
21M21.00 mi1.00 mi15375+32810312+16210312+16210074(Top 38%)7653(Top 50%)7653(Top 145%)
35K21.75 mi0.75 mi15311+6410279+3310279+3314262(Top 54%)9540(Top 63%)9540(Top 181%)
23M23.00 mi1.25 mi15114+19710185+9410185+9412214(Top 46%)8570(Top 56%)8570(Top 162%)
24M24.00 mi1.00 mi15048+6610148+3710148+3713521(Top 51%)9097(Top 60%)9097(Top 172%)
40K24.85 mi0.85 mi14951+9710084+6410084+6412960(Top 49%)8766(Top 58%)8766(Top 166%)
25.2M25.20 mi0.35 mi14891+6010050+3410050+3411874(Top 45%)8217(Top 54%)8217(Top 155%)
Finish26.22 mi1.02 mi14800+919992+589992+5812431(Top 47%)8499(Top 56%)8499(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17337

Males

11186

M18-39

11186

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17213

Males

11183

M18-39

11183

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17337

Males

11186

M18-39

11186

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15377

Males

10406

M18-39

10406

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15965

Males

10665

M18-39

10665

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15055

Males

10163

M18-39

10163

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14224

Males

9740

M18-39

9740

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12137

Males

8774

M18-39

8774

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10074

Males

7653

M18-39

7653

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14262

Males

9540

M18-39

9540

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12214

Males

8570

M18-39

8570

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13521

Males

9097

M18-39

9097

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12960

Males

8766

M18-39

8766

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11874

Males

8217

M18-39

8217

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12431

Males

8499

M18-39

8499

Passing Analysis

Category:
Athletes Passed
3184
Passed By
683
Net Change
+2501
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17301
5K → 10K345288+57#17301#17244
10K → 15K171217-46#17244#17290
15K → 20K53624+512#17290#16778
20K → Half3017+13#16778#16765
Half → 25K29819+279#16765#16486
25K → 30K46821+447#16486#16039
30K → 20M3360+336#16039#15703
20M → 21M3280+328#15703#15375
21M → 35K8016+64#15375#15311
35K → 23M2058+197#15311#15114
23M → 24M9327+66#15114#15048
24M → 40K11215+97#15048#14951
40K → 25.2M622+60#14951#14891
25.2M → Finish12029+91#14891#14800
TOTALS3184683+2501
📊

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