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BOSTON MARATHON 2023

Keith Miller

Bib: 16436•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Division (M65-69)
#0 / 549
Top 4%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:12:20
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:36:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
2:00:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:24:20
↑ 181↓ 1480.2%
20M
8:01/mi
2:35:13
↑ 64↓ 500.2%
21M
8:23/mi
2:43:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:49:29
↑ 17↓ 861.7%
23M
7:46/mi
2:59:12
↑ 23↓ 630.6%
24M
7:33/mi
3:06:45
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:13:17
↓ 200.3%
25.2M
9:17/mi
3:16:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:24:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:19
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2424:367:5524:36
7:55
-
10K
6.21 mi11:39:2148:337:4923:57
7:43
-0:12
15K
9.32 mi12:03:081:12:207:4623:47
7:39
-0:04
20K
12.43 mi12:26:531:36:057:4423:45
7:39
0:00
Half
13.11 mi12:32:071:41:197:445:14
7:40
+0:01
25K
15.53 mi12:50:542:00:067:4418:47
7:45
+0:05
30K
18.64 mi13:15:082:24:207:4524:14
7:48
+0:03
20M
20.00 mi13:26:012:35:137:4610:53
8:01
+0:13
21M
21.00 mi13:34:242:43:367:478:23
8:23
+0:22
35K
21.75 mi13:40:172:49:297:485:53
7:52
-0:31
23M
23.00 mi13:50:002:59:127:479:43
7:46
-0:06
24M
24.00 mi13:57:333:06:457:477:33
7:33
-0:13
40K
24.85 mi14:04:053:13:177:476:32
7:38
+0:05
25.2M
25.20 mi14:07:173:16:297:483:12
9:17
+1:39
Finish
26.22 mi14:15:213:24:337:488:04
7:55
-1:22

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

7:33 /mi

Average Pace

7:48 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:33

4% of race

Time at Steady Pace

2:54:32

85% of race

Time at Slower Pace

22:28

11% of race

Average Pace: 7:48 /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 mi11:15:2424:367:5524:36
7:55
#13379
10K
6.21 mi11:39:2148:337:4923:57
7:43
#12810
15K
9.32 mi12:03:081:12:207:4623:47
7:39
#12311
20K
12.43 mi12:26:531:36:057:4423:45
7:39
#11800
Half
13.11 mi12:32:071:41:197:445:14
7:40
#11783
25K
15.53 mi12:50:542:00:067:4418:47
7:45
#11533
30K
18.64 mi13:15:082:24:207:4524:14
7:48
#11104
20M
20.00 mi13:26:012:35:137:4610:53
8:01
#11022
21M
21.00 mi13:34:242:43:367:478:23
8:23
#10929
35K
21.75 mi13:40:172:49:297:485:53
7:52
#10918
23M
23.00 mi13:50:002:59:127:479:43
7:46
#10735
24M
24.00 mi13:57:333:06:457:477:33
7:33
#10598
40K
24.85 mi14:04:053:13:177:476:32
7:38
#10452
25.2M
25.20 mi14:07:173:16:297:483:12
9:17
#10507
Finish
26.22 mi14:15:213:24:337:488:04
7:55
#10523
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi133799699969911452(Top 43%)8835(Top 58%)8835(Top 1609%)
10K6.21 mi3.10 mi12810+5699469+2309469+23012305(Top 46%)9238(Top 61%)9238(Top 1683%)
15K9.32 mi3.11 mi12311+4999221+2489221+24811452(Top 43%)8835(Top 58%)8835(Top 1609%)
20K12.43 mi3.11 mi11800+5118983+2388983+23810455(Top 39%)8319(Top 55%)8319(Top 1515%)
Half13.11 mi0.68 mi11783+178978+58978+511545(Top 43%)8858(Top 58%)8858(Top 1613%)
25K15.53 mi2.42 mi11533+2508862+1168862+11610662(Top 40%)8328(Top 55%)8328(Top 1517%)
30K18.64 mi3.11 mi11104+4298625+2378625+2379358(Top 35%)7485(Top 49%)7485(Top 1363%)
20M20.00 mi1.36 mi11022+828560+658560+6510309(Top 39%)7922(Top 52%)7922(Top 1443%)
21M21.00 mi1.00 mi10929+938487+738487+739732(Top 37%)7464(Top 49%)7464(Top 1360%)
35K21.75 mi0.75 mi10918+118469+188469+1811079(Top 42%)8148(Top 54%)8148(Top 1484%)
23M23.00 mi1.25 mi10735+1838343+1268343+1268153(Top 31%)6501(Top 43%)6501(Top 1184%)
24M24.00 mi1.00 mi10598+1378257+868257+868044(Top 30%)6352(Top 42%)6352(Top 1157%)
40K24.85 mi0.85 mi10452+1468151+1068151+1067570(Top 28%)5982(Top 39%)5982(Top 1090%)
25.2M25.20 mi0.35 mi10507-558168-178168-1713996(Top 53%)9214(Top 61%)9214(Top 1678%)
Finish26.22 mi1.02 mi10523-168148+208148+2011483(Top 43%)8031(Top 53%)8031(Top 1463%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11452

Males

8835

M65-69

8835

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12305

Males

9238

M65-69

9238

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11452

Males

8835

M65-69

8835

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10455

Males

8319

M65-69

8319

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11545

Males

8858

M65-69

8858

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10662

Males

8328

M65-69

8328

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9358

Males

7485

M65-69

7485

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10309

Males

7922

M65-69

7922

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9732

Males

7464

M65-69

7464

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11079

Males

8148

M65-69

8148

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8153

Males

6501

M65-69

6501

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8044

Males

6352

M65-69

6352

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7570

Males

5982

M65-69

5982

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13996

Males

9214

M65-69

9214

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11483

Males

8031

M65-69

8031

Passing Analysis

Category:
Athletes Passed
3409*
Passed By
553
Net Change
+2856
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13379
5K → 10K681112+569#13379#12810
10K → 15K53940+499#12810#12311
15K → 20K5143+511#12311#11800
20K → Half3922+17#11800#11783
Half → 25K27626+250#11783#11533
25K → 30K45425+429#11533#11104
30K → 20M131*49+82#11104#11022
20M → 21M12330+93#11022#10929
21M → 35K5544+11#10929#10918
35K → 23M20320+183#10918#10735
23M → 24M14811+137#10735#10598
24M → 40K15913+146#10598#10452
40K → 25.2M1469-55#10452#10507
25.2M → Finish7389-16#10507#10523
TOTALS3409*553+2856

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

📊

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