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BOSTON MARATHON 2023

Adam Kear

Bib: 21327•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
8:57/mi
27:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
56:06
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:23:59
↑ 67↓ 78
20K· 12.43 mi
9:22/mi
1:53:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:59:06
↑ 19↓ 370.5%
25K· 15.53 mi
9:08/mi
2:21:14
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:49:53
↑ 181↓ 1480.2%
20M
8:56/mi
3:02:02
↑ 64↓ 500.2%
21M
9:27/mi
3:11:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:17:45
↑ 17↓ 861.7%
23M
8:36/mi
3:28:31
↑ 23↓ 630.6%
24M
8:33/mi
3:37:04
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:44:25
↓ 200.3%
25.2M
9:14/mi
3:47:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:56:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:59:06
Pace9:05 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:57:10
Pace8:56 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2127:488:5727:48
8:57
-
10K
6.21 mi11:49:3956:069:0228:18
9:07
+0:10
15K
9.32 mi12:17:321:23:599:0127:53
8:58
-0:09
20K
12.43 mi12:46:381:53:059:0629:06
9:22
+0:24
Half
13.11 mi12:52:391:59:069:056:01
8:49
-0:33
25K
15.53 mi13:14:472:21:149:0622:08
9:08
+0:19
30K
18.64 mi13:43:262:49:539:0728:39
9:13
+0:05
20M
20.00 mi13:55:353:02:029:0612:09
8:56
-0:17
21M
21.00 mi14:05:023:11:299:079:27
9:27
+0:31
35K
21.75 mi14:11:183:17:459:066:16
8:23
-1:04
23M
23.00 mi14:22:043:28:319:0410:46
8:36
+0:13
24M
24.00 mi14:30:373:37:049:038:33
8:33
-0:03
40K
24.85 mi14:37:583:44:259:027:21
8:36
+0:03
25.2M
25.20 mi14:41:093:47:369:023:11
9:14
+0:38
Finish
26.22 mi14:49:493:56:169:018:40
8:30
-0:44

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

8:23 /mi

Average Pace

9:01 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:32

82% of race

Time at Steady Pace

41:44

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:21:2127:488:5727:48
8:57
#20203
10K
6.21 mi11:49:3956:069:0228:18
9:07
#20753
15K
9.32 mi12:17:321:23:599:0127:53
8:58
#20616
20K
12.43 mi12:46:381:53:059:0629:06
9:22
#20777
Half
13.11 mi12:52:391:59:069:056:01
8:49
#20711
25K
15.53 mi13:14:472:21:149:0622:08
9:08
#20519
30K
18.64 mi13:43:262:49:539:0728:39
9:13
#20122
20M
20.00 mi13:55:353:02:029:0612:09
8:56
#19819
21M
21.00 mi14:05:023:11:299:079:27
9:27
#19585
35K
21.75 mi14:11:183:17:459:066:16
8:23
#19429
23M
23.00 mi14:22:043:28:319:0410:46
8:36
#19145
24M
24.00 mi14:30:373:37:049:038:33
8:33
#18979
40K
24.85 mi14:37:583:44:259:027:21
8:36
#18795
25.2M
25.20 mi14:41:093:47:369:023:11
9:14
#18732
Finish
26.22 mi14:49:493:56:169:018:40
8:30
#18613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20203122411224120379(Top 77%)12468(Top 82%)12468(Top 1123%)
10K6.21 mi3.10 mi20753-55012559-31812559-31821304(Top 80%)12837(Top 85%)12837(Top 1156%)
15K9.32 mi3.11 mi20616+13712512+4712512+4720379(Top 77%)12468(Top 82%)12468(Top 1123%)
20K12.43 mi3.11 mi20777-16112608-9612608-9621138(Top 79%)12803(Top 84%)12803(Top 1153%)
Half13.11 mi0.68 mi20711+6612577+3112577+3119552(Top 73%)12115(Top 80%)12115(Top 1091%)
25K15.53 mi2.42 mi20519+19212503+7412503+7419539(Top 73%)12072(Top 80%)12072(Top 1088%)
30K18.64 mi3.11 mi20122+39712305+19812305+19818254(Top 69%)11443(Top 75%)11443(Top 1031%)
20M20.00 mi1.36 mi19819+30312167+13812167+13816224(Top 61%)10508(Top 69%)10508(Top 947%)
21M21.00 mi1.00 mi19585+23412058+10912058+10915727(Top 59%)10245(Top 68%)10245(Top 923%)
35K21.75 mi0.75 mi19429+15611987+7111987+7114579(Top 55%)9697(Top 64%)9697(Top 874%)
23M23.00 mi1.25 mi19145+28411855+13211855+13213783(Top 52%)9277(Top 61%)9277(Top 836%)
24M24.00 mi1.00 mi18979+16611771+8411771+8414769(Top 55%)9660(Top 64%)9660(Top 870%)
40K24.85 mi0.85 mi18795+18411680+9111680+9113925(Top 52%)9215(Top 61%)9215(Top 830%)
25.2M25.20 mi0.35 mi18732+6311646+3411646+3413793(Top 52%)9161(Top 60%)9161(Top 825%)
Finish26.22 mi1.02 mi18613+11911595+5111595+5115443(Top 58%)9928(Top 65%)9928(Top 894%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20379

Males

12468

M60-64

12468

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21304

Males

12837

M60-64

12837

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20379

Males

12468

M60-64

12468

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21138

Males

12803

M60-64

12803

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19552

Males

12115

M60-64

12115

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19539

Males

12072

M60-64

12072

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18254

Males

11443

M60-64

11443

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16224

Males

10508

M60-64

10508

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15727

Males

10245

M60-64

10245

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14579

Males

9697

M60-64

9697

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13783

Males

9277

M60-64

9277

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14769

Males

9660

M60-64

9660

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13925

Males

9215

M60-64

9215

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13793

Males

9161

M60-64

9161

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15443

Males

9928

M60-64

9928

Passing Analysis

Category:
Athletes Passed
2692
Passed By
1102
Net Change
+1590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20203
5K → 10K97647-550#20203#20753
10K → 15K256119+137#20753#20616
15K → 20K109270-161#20616#20777
20K → Half693+66#20777#20711
Half → 25K21927+192#20711#20519
25K → 30K40811+397#20519#20122
30K → 20M3030+303#20122#19819
20M → 21M2362+234#19819#19585
21M → 35K1615+156#19585#19429
35K → 23M2840+284#19429#19145
23M → 24M1682+166#19145#18979
24M → 40K1884+184#18979#18795
40K → 25.2M641+63#18795#18732
25.2M → Finish13011+119#18732#18613
TOTALS26921102+1590
📊

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