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BOSTON MARATHON 2023

Brent Miller

Bib: 13136•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:18
Rank: #9620
Start → 5K
23:18 | 7:30/mi
10K· 6.21 mi
46:18
Rank: #9583 (+37)
5K → 10K
23:00 | 7:24/mi
15K· 9.32 mi
1:09:32
Rank: #9685 (-102)
10K → 15K
23:14 | 7:29/mi
20K· 12.43 mi
1:32:54
Rank: #9615 (+70)
15K → 20K
23:22 | 7:31/mi
Half· 13.11 mi
1:38:01
Rank: #9637 (-22)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:56:31
Rank: #9657 (-20)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:21:04
Rank: #9719 (-62)
25K → 30K
24:33 | 7:54/mi
20M
2:32:05
Rank: #9768 (-49)
30K → 20M
11:01 | 8:06/mi
21M
2:41:23
Rank: #10094 (-326)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
2:47:40
Rank: #10272 (-178)
21M → 35K
6:17 | 8:24/mi
23M
2:58:31
Rank: #10487 (-215)
35K → 23M
10:51 | 8:40/mi
24M
3:06:28
Rank: #10502 (-15)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:13:18
Rank: #10458 (+44)
24M → 40K
6:50 | 8:00/mi
25.2M
3:16:11
Rank: #10405 (+53)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:24:03
Rank: #10365 (+40)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:01
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:46:02
Pace8:05 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1423:187:3023:18
7:30
-
10K
6.21 mi11:14:1446:187:2723:00
7:24
-0:06
15K
9.32 mi11:37:281:09:327:2823:14
7:29
+0:05
20K
12.43 mi12:00:501:32:547:2923:22
7:31
+0:02
Half
13.11 mi12:05:571:38:017:295:07
7:30
-0:01
25K
15.53 mi12:24:271:56:317:3018:30
7:38
+0:08
30K
18.64 mi12:49:002:21:047:3424:33
7:54
+0:16
20M
20.00 mi13:00:012:32:057:3611:01
8:06
+0:12
21M
21.00 mi13:09:192:41:237:419:18
9:18
+1:12
35K
21.75 mi13:15:362:47:407:436:17
8:24
-0:54
23M
23.00 mi13:26:272:58:317:4610:51
8:40
+0:16
24M
24.00 mi13:34:243:06:287:467:57
7:57
-0:43
40K
24.85 mi13:41:143:13:187:476:50
8:00
+0:03
25.2M
25.20 mi13:44:073:16:117:472:53
8:22
+0:22
Finish
26.22 mi13:51:593:24:037:477:52
7:43
-0:39

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

7:24 /mi

Average Pace

7:47 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:31

57% of race

Time at Steady Pace

58:13

29% of race

Time at Slower Pace

29:19

14% of race

Average Pace: 7:47 /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 mi10:51:1423:187:3023:18
7:30
#9620
10K
6.21 mi11:14:1446:187:2723:00
7:24
#9583
15K
9.32 mi11:37:281:09:327:2823:14
7:29
#9685
20K
12.43 mi12:00:501:32:547:2923:22
7:31
#9615
Half
13.11 mi12:05:571:38:017:295:07
7:30
#9637
25K
15.53 mi12:24:271:56:317:3018:30
7:38
#9657
30K
18.64 mi12:49:002:21:047:3424:33
7:54
#9719
20M
20.00 mi13:00:012:32:057:3611:01
8:06
#9768
21M
21.00 mi13:09:192:41:237:419:18
9:18
#10094
35K
21.75 mi13:15:362:47:407:436:17
8:24
#10272
23M
23.00 mi13:26:272:58:317:4610:51
8:40
#10487
24M
24.00 mi13:34:243:06:287:467:57
7:57
#10502
40K
24.85 mi13:41:143:13:187:476:50
8:00
#10458
25.2M
25.20 mi13:44:073:16:117:472:53
8:22
#10405
Finish
26.22 mi13:51:593:24:037:477:52
7:43
#10365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9620793979399995(Top 38%)8147(Top 54%)8147(Top 362%)
10K6.21 mi3.10 mi9583+377924+157924+159645(Top 36%)7957(Top 52%)7957(Top 353%)
15K9.32 mi3.11 mi9685-1027970-467970-469995(Top 38%)8147(Top 54%)8147(Top 362%)
20K12.43 mi3.11 mi9615+707930+407930+409469(Top 36%)7782(Top 51%)7782(Top 346%)
Half13.11 mi0.68 mi9637-227948-187948-1810203(Top 38%)8215(Top 54%)8215(Top 365%)
25K15.53 mi2.42 mi9657-207938+107938+109774(Top 37%)7861(Top 52%)7861(Top 349%)
30K18.64 mi3.11 mi9719-627938793810146(Top 38%)7901(Top 52%)7901(Top 351%)
20M20.00 mi1.36 mi9768-497939-17939-111043(Top 41%)8264(Top 54%)8264(Top 367%)
21M21.00 mi1.00 mi10094-3268094-1558094-15514943(Top 56%)9896(Top 65%)9896(Top 439%)
35K21.75 mi0.75 mi10272-1788161-678161-6714654(Top 55%)9705(Top 64%)9705(Top 431%)
23M23.00 mi1.25 mi10487-2158229-688229-6814138(Top 53%)9418(Top 62%)9418(Top 418%)
24M24.00 mi1.00 mi10502-158205+248205+2410854(Top 41%)7827(Top 52%)7827(Top 348%)
40K24.85 mi0.85 mi10458+448153+528153+529973(Top 37%)7324(Top 48%)7324(Top 325%)
25.2M25.20 mi0.35 mi10405+538116+378116+378652(Top 32%)6553(Top 43%)6553(Top 291%)
Finish26.22 mi1.02 mi10365+408069+478069+4710078(Top 38%)7332(Top 48%)7332(Top 326%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9995

Males

8147

M45-49

8147

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9645

Males

7957

M45-49

7957

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9995

Males

8147

M45-49

8147

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9469

Males

7782

M45-49

7782

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10203

Males

8215

M45-49

8215

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9774

Males

7861

M45-49

7861

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10146

Males

7901

M45-49

7901

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11043

Males

8264

M45-49

8264

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14943

Males

9896

M45-49

9896

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14654

Males

9705

M45-49

9705

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14138

Males

9418

M45-49

9418

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10854

Males

7827

M45-49

7827

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9973

Males

7324

M45-49

7324

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8652

Males

6553

M45-49

6553

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10078

Males

7332

M45-49

7332

Passing Analysis

Category:
Athletes Passed
1375*
Passed By
2118
Net Change
-745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9620
5K → 10K317280+37#9620#9583
10K → 15K122224-102#9583#9685
15K → 20K186116+70#9685#9615
20K → Half1638-22#9615#9637
Half → 25K120140-20#9637#9657
25K → 30K145*207-62#9657#9719
30K → 20M77126-49#9719#9768
20M → 21M23347-326#9768#10094
21M → 35K20198-178#10094#10272
35K → 23M42257-215#10272#10487
23M → 24M6176-15#10487#10502
24M → 40K8945+44#10502#10458
40K → 25.2M6411+53#10458#10405
25.2M → Finish9353+40#10405#10365
TOTALS1375*2118-745

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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