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BOSTON MARATHON 2023

David Miller

Bib: 4351•M

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0:00
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5028
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
41:52
Rank: #4344 (+684)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:02:22
Rank: #3923 (+421)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:49
Rank: #3543 (+380)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:27:19
Rank: #3536 (+7)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:23
Rank: #3395 (+141)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:04:00
Rank: #3052 (+343)
25K → 30K
20:37 | 6:38/mi
20M
2:13:02
Rank: #2941 (+111)
30K → 20M
9:02 | 6:39/mi
21M
2:19:54
Rank: #2831 (+110)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:24:42
Rank: #2770 (+61)
21M → 35K
4:48 | 6:25/mi
23M
2:33:07
Rank: #2707 (+63)
35K → 23M
8:25 | 6:43/mi
24M
2:39:35
Rank: #2628 (+79)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:45:17
Rank: #2596 (+32)
24M → 40K
5:42 | 6:40/mi
25.2M
2:47:45
Rank: #2584 (+12)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:54:18
Rank: #2537 (+47)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:19
Pace6:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:59
Pace6:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0521:156:5021:15
6:50
-
10K
6.21 mi10:43:4241:526:4420:37
6:38
-0:12
15K
9.32 mi11:04:121:02:226:4120:30
6:36
-0:02
20K
12.43 mi11:24:391:22:496:4020:27
6:35
-0:01
Half
13.11 mi11:29:091:27:196:404:30
6:36
+0:01
25K
15.53 mi11:45:131:43:236:3916:04
6:38
+0:02
30K
18.64 mi12:05:502:04:006:3920:37
6:38
0:00
20M
20.00 mi12:14:522:13:026:399:02
6:39
+0:01
21M
21.00 mi12:21:442:19:546:406:52
6:52
+0:13
35K
21.75 mi12:26:322:24:426:394:48
6:25
-0:27
23M
23.00 mi12:34:572:33:076:398:25
6:43
+0:18
24M
24.00 mi12:41:252:39:356:396:28
6:28
-0:15
40K
24.85 mi12:47:072:45:176:395:42
6:40
+0:12
25.2M
25.20 mi12:49:352:47:456:392:28
7:09
+0:29
Finish
26.22 mi12:56:082:54:186:396:33
6:26
-0:43

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

6:25 /mi

Average Pace

6:39 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:50

99% of race

Time at Steady Pace

2:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:23:0521:156:5021:15
6:50
#5028
10K
6.21 mi10:43:4241:526:4420:37
6:38
#4344
15K
9.32 mi11:04:121:02:226:4120:30
6:36
#3923
20K
12.43 mi11:24:391:22:496:4020:27
6:35
#3543
Half
13.11 mi11:29:091:27:196:404:30
6:36
#3536
25K
15.53 mi11:45:131:43:236:3916:04
6:38
#3395
30K
18.64 mi12:05:502:04:006:3920:37
6:38
#3052
20M
20.00 mi12:14:522:13:026:399:02
6:39
#2941
21M
21.00 mi12:21:442:19:546:406:52
6:52
#2831
35K
21.75 mi12:26:322:24:426:394:48
6:25
#2770
23M
23.00 mi12:34:572:33:076:398:25
6:43
#2707
24M
24.00 mi12:41:252:39:356:396:28
6:28
#2628
40K
24.85 mi12:47:072:45:176:395:42
6:40
#2596
25.2M
25.20 mi12:49:352:47:456:392:28
7:09
#2584
Finish
26.22 mi12:56:082:54:186:396:33
6:26
#2537
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5028466346633265(Top 12%)3100(Top 20%)3100(Top 59%)
10K6.21 mi3.10 mi4344+6844068+5954068+5953750(Top 14%)3537(Top 23%)3537(Top 67%)
15K9.32 mi3.11 mi3923+4213693+3753693+3753265(Top 12%)3100(Top 20%)3100(Top 59%)
20K12.43 mi3.11 mi3543+3803353+3403353+3402730(Top 10%)2610(Top 17%)2610(Top 49%)
Half13.11 mi0.68 mi3536+73349+43349+43340(Top 13%)3171(Top 21%)3171(Top 60%)
25K15.53 mi2.42 mi3395+1413225+1243225+1242851(Top 11%)2722(Top 18%)2722(Top 52%)
30K18.64 mi3.11 mi3052+3432908+3172908+3172130(Top 8%)2035(Top 13%)2035(Top 39%)
20M20.00 mi1.36 mi2941+1112807+1012807+1012073(Top 8%)1977(Top 13%)1977(Top 37%)
21M21.00 mi1.00 mi2831+1102705+1022705+1021655(Top 6%)1576(Top 10%)1576(Top 30%)
35K21.75 mi0.75 mi2770+612648+572648+572049(Top 8%)1947(Top 13%)1947(Top 37%)
23M23.00 mi1.25 mi2707+632586+622586+622259(Top 8%)2130(Top 14%)2130(Top 40%)
24M24.00 mi1.00 mi2628+792512+742512+741967(Top 7%)1848(Top 12%)1848(Top 35%)
40K24.85 mi0.85 mi2596+322478+342478+342187(Top 8%)2038(Top 13%)2038(Top 39%)
25.2M25.20 mi0.35 mi2584+122467+112467+112293(Top 9%)2126(Top 14%)2126(Top 40%)
Finish26.22 mi1.02 mi2537+472420+472420+472129(Top 8%)1974(Top 13%)1974(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3265

Males

3100

M18-39

3100

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3750

Males

3537

M18-39

3537

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3265

Males

3100

M18-39

3100

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2730

Males

2610

M18-39

2610

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3340

Males

3171

M18-39

3171

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2851

Males

2722

M18-39

2722

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2130

Males

2035

M18-39

2035

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2073

Males

1977

M18-39

1977

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1655

Males

1576

M18-39

1576

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2049

Males

1947

M18-39

1947

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2259

Males

2130

M18-39

2130

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1967

Males

1848

M18-39

1848

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2187

Males

2038

M18-39

2038

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2293

Males

2126

M18-39

2126

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2129

Males

1974

M18-39

1974

Passing Analysis

Category:
Athletes Passed
2647
Passed By
156
Net Change
+2491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5028
5K → 10K71228+684#5028#4344
10K → 15K43211+421#4344#3923
15K → 20K3833+380#3923#3543
20K → Half169+7#3543#3536
Half → 25K15312+141#3536#3395
25K → 30K3452+343#3395#3052
30K → 20M1176+111#3052#2941
20M → 21M1133+110#2941#2831
21M → 35K687+61#2831#2770
35K → 23M8421+63#2770#2707
23M → 24M9213+79#2707#2628
24M → 40K5220+32#2628#2596
40K → 25.2M219+12#2596#2584
25.2M → Finish5912+47#2584#2537
TOTALS2647156+2491
📊

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