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BOSTON MARATHON 2023

David Miller

Bib: 24224•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:35/mi
29:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:46/mi
1:00:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:40/mi
1:30:07
↑ 67↓ 78
20K· 12.43 mi
10:16/mi
2:02:02
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
2:08:38
↑ 19↓ 370.5%
25K· 15.53 mi
10:01/mi
2:32:55
↑ 66↓ 880.2%
30K· 18.64 mi
11:23/mi
3:08:17
↑ 181↓ 1480.2%
20M
10:12/mi
3:22:09
↑ 64↓ 500.2%
21M
11:30/mi
3:33:39
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:40:59
↑ 17↓ 861.7%
23M
11:11/mi
3:54:59
↑ 23↓ 630.6%
24M
9:58/mi
4:04:57
↓ 821.3%
40K· 24.85 mi
10:46/mi
4:14:09
↓ 200.3%
25.2M
11:30/mi
4:18:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:51/mi
4:28:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:38
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:19:31
Pace10:39 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2729:469:3529:46
9:35
-
10K
6.21 mi12:15:471:00:069:4030:20
9:46
+0:11
15K
9.32 mi12:45:481:30:079:4030:01
9:40
-0:06
20K
12.43 mi13:17:432:02:029:4931:55
10:16
+0:36
Half
13.11 mi13:24:192:08:389:496:36
9:40
-0:36
25K
15.53 mi13:48:362:32:559:5124:17
10:01
+0:21
30K
18.64 mi14:23:583:08:1710:0635:22
11:23
+1:22
20M
20.00 mi14:37:503:22:0910:0613:52
10:12
-1:11
21M
21.00 mi14:49:203:33:3910:1011:30
11:30
+1:18
35K
21.75 mi14:56:403:40:5910:107:20
9:48
-1:42
23M
23.00 mi15:10:403:54:5910:1314:00
11:11
+1:23
24M
24.00 mi15:20:384:04:5710:129:58
9:58
-1:13
40K
24.85 mi15:29:504:14:0910:149:12
10:46
+0:48
25.2M
25.20 mi15:33:484:18:0710:153:58
11:30
+0:44
Finish
26.22 mi15:43:504:28:0910:1410:02
9:51
-1:39

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

9:35 /mi

Average Pace

10:14 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:23

25% of race

Time at Steady Pace

2:07:44

48% of race

Time at Slower Pace

1:14:02

28% of race

Average Pace: 10:14 /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 mi11:45:2729:469:3529:46
9:35
#22317
10K
6.21 mi12:15:471:00:069:4030:20
9:46
#22813
15K
9.32 mi12:45:481:30:079:4030:01
9:40
#22772
20K
12.43 mi13:17:432:02:029:4931:55
10:16
#22987
Half
13.11 mi13:24:192:08:389:496:36
9:40
#22969
25K
15.53 mi13:48:362:32:559:5124:17
10:01
#22831
30K
18.64 mi14:23:583:08:1710:0635:22
11:23
#23048
20M
20.00 mi14:37:503:22:0910:0613:52
10:12
#22877
21M
21.00 mi14:49:203:33:3910:1011:30
11:30
#22824
35K
21.75 mi14:56:403:40:5910:107:20
9:48
#22744
23M
23.00 mi15:10:403:54:5910:1314:00
11:11
#22743
24M
24.00 mi15:20:384:04:5710:129:58
9:58
#22646
40K
24.85 mi15:29:504:14:0910:149:12
10:46
#22626
25.2M
25.20 mi15:33:484:18:0710:153:58
11:30
#22613
Finish
26.22 mi15:43:504:28:0910:1410:02
9:51
#22569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22317132571325722694(Top 85%)13490(Top 89%)13490(Top 6333%)
10K6.21 mi3.10 mi22813-49613530-27313530-27323192(Top 87%)13729(Top 90%)13729(Top 6446%)
15K9.32 mi3.11 mi22772+41135301353022694(Top 85%)13490(Top 89%)13490(Top 6333%)
20K12.43 mi3.11 mi22987-21513625-9513625-9523423(Top 88%)13826(Top 91%)13826(Top 6491%)
Half13.11 mi0.68 mi22969+1813618+713618+722572(Top 85%)13432(Top 89%)13432(Top 6306%)
25K15.53 mi2.42 mi22831+13813537+8113537+8122244(Top 84%)13255(Top 87%)13255(Top 6223%)
30K18.64 mi3.11 mi23048-21713616-7913616-7923695(Top 89%)13840(Top 91%)13840(Top 6498%)
20M20.00 mi1.36 mi22877+17113521+9513521+9521021(Top 79%)12581(Top 83%)12581(Top 5907%)
21M21.00 mi1.00 mi22824+5313490+3113490+3121877(Top 82%)12922(Top 85%)12922(Top 6067%)
35K21.75 mi0.75 mi22744+8013438+5213438+5220762(Top 78%)12377(Top 82%)12377(Top 5811%)
23M23.00 mi1.25 mi22743+113430+813430+822689(Top 85%)13241(Top 87%)13241(Top 6216%)
24M24.00 mi1.00 mi22646+9713380+5013380+5020705(Top 78%)12298(Top 81%)12298(Top 5774%)
40K24.85 mi0.85 mi22626+2013360+2013360+2021848(Top 82%)12760(Top 84%)12760(Top 5991%)
25.2M25.20 mi0.35 mi22613+1313352+813352+821565(Top 81%)12656(Top 83%)12656(Top 5942%)
Finish26.22 mi1.02 mi22569+4413321+3113321+3121298(Top 80%)12564(Top 83%)12564(Top 5899%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22694

Males

13490

M70-74

13490

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23192

Males

13729

M70-74

13729

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22694

Males

13490

M70-74

13490

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23423

Males

13826

M70-74

13826

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22572

Males

13432

M70-74

13432

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22244

Males

13255

M70-74

13255

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23695

Males

13840

M70-74

13840

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21021

Males

12581

M70-74

12581

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21877

Males

12922

M70-74

12922

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20762

Males

12377

M70-74

12377

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22689

Males

13241

M70-74

13241

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20705

Males

12298

M70-74

12298

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21848

Males

12760

M70-74

12760

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21565

Males

12656

M70-74

12656

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21298

Males

12564

M70-74

12564

Passing Analysis

Category:
Athletes Passed
1185
Passed By
1437
Net Change
-252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22317
5K → 10K75571-496#22317#22813
10K → 15K176135+41#22813#22772
15K → 20K72287-215#22772#22987
20K → Half3618+18#22987#22969
Half → 25K16628+138#22969#22831
25K → 30K54271-217#22831#23048
30K → 20M18110+171#23048#22877
20M → 21M7421+53#22877#22824
21M → 35K866+80#22824#22744
35K → 23M4645+1#22744#22743
23M → 24M1014+97#22743#22646
24M → 40K3414+20#22646#22626
40K → 25.2M2310+13#22626#22613
25.2M → Finish6117+44#22613#22569
TOTALS11851437-252
📊

Passing Visuals

Category:
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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