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BOSTON MARATHON 2023

Martin Kelledy

Bib: 29331•M

MA

Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Age Group (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
28:29
Rank: #21104
Start → 5K
28:29 | 9:10/mi
10K· 6.21 mi
57:06
Rank: #21353 (-249)
5K → 10K
28:37 | 9:13/mi
15K· 9.32 mi
1:24:44
Rank: #20999 (+354)
10K → 15K
27:38 | 8:54/mi
20K· 12.43 mi
1:52:16
Rank: #20498 (+501)
15K → 20K
27:32 | 8:52/mi
Half· 13.11 mi
1:58:05
Rank: #20401 (+97)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:19:22
Rank: #19985 (+416)
Half → 25K
21:17 | 8:47/mi
30K· 18.64 mi
2:47:08
Rank: #19429 (+556)
25K → 30K
27:46 | 8:56/mi
20M
2:59:23
Rank: #19218 (+211)
30K → 20M
12:15 | 9:01/mi
21M
3:08:42
Rank: #18988 (+230)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
3:14:57
Rank: #18832 (+156)
21M → 35K
6:15 | 8:21/mi
23M
3:25:58
Rank: #18591 (+241)
35K → 23M
11:01 | 8:48/mi
24M
3:34:19
Rank: #18401 (+190)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:41:27
Rank: #18198 (+203)
24M → 40K
7:08 | 8:21/mi
25.2M
3:44:42
Rank: #18154 (+44)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:53:03
Rank: #17981 (+173)
25.2M → Finish
8:21 | 8:12/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via Half
Distance13.11 mi
Time1:58:05
Pace9:00 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:58
Pace8:46 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2328:299:1028:29
9:10
-
10K
6.21 mi12:20:0057:069:1128:37
9:13
+0:03
15K
9.32 mi12:47:381:24:449:0527:38
8:54
-0:19
20K
12.43 mi13:15:101:52:169:0227:32
8:52
-0:02
Half
13.11 mi13:20:591:58:059:005:49
8:32
-0:20
25K
15.53 mi13:42:162:19:228:5821:17
8:47
+0:15
30K
18.64 mi14:10:022:47:088:5827:46
8:56
+0:09
20M
20.00 mi14:22:172:59:238:5812:15
9:01
+0:05
21M
21.00 mi14:31:363:08:428:599:19
9:19
+0:18
35K
21.75 mi14:37:513:14:578:586:15
8:21
-0:58
23M
23.00 mi14:48:523:25:588:5711:01
8:48
+0:27
24M
24.00 mi14:57:133:34:198:568:21
8:21
-0:27
40K
24.85 mi15:04:213:41:278:557:08
8:21
0:00
25.2M
25.20 mi15:07:363:44:428:553:15
9:25
+1:04
Finish
26.22 mi15:15:573:53:038:548:21
8:12
-1:13

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:12 /mi

Average Pace

8:54 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:43:23

70% of race

Time at Steady Pace

1:09:40

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:53 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:2328:299:1028:29
9:10
#21104
10K
6.21 mi12:20:0057:069:1128:37
9:13
#21353
15K
9.32 mi12:47:381:24:449:0527:38
8:54
#20999
20K
12.43 mi13:15:101:52:169:0227:32
8:52
#20498
Half
13.11 mi13:20:591:58:059:005:49
8:32
#20401
25K
15.53 mi13:42:162:19:228:5821:17
8:47
#19985
30K
18.64 mi14:10:022:47:088:5827:46
8:56
#19429
20M
20.00 mi14:22:172:59:238:5812:15
9:01
#19218
21M
21.00 mi14:31:363:08:428:599:19
9:19
#18988
35K
21.75 mi14:37:513:14:578:586:15
8:21
#18832
23M
23.00 mi14:48:523:25:588:5711:01
8:48
#18591
24M
24.00 mi14:57:133:34:198:568:21
8:21
#18401
40K
24.85 mi15:04:213:41:278:557:08
8:21
#18198
25.2M
25.20 mi15:07:363:44:428:553:15
9:25
#18154
Finish
26.22 mi15:15:573:53:038:548:21
8:12
#17981
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi21104126561265620009(Top 75%)12295(Top 81%)12295(Top 546%)
10K6.21 mi3.10 mi21353-24912828-17212828-17221644(Top 81%)12995(Top 86%)12995(Top 577%)
15K9.32 mi3.11 mi20999+35412692+13612692+13620009(Top 75%)12295(Top 81%)12295(Top 546%)
20K12.43 mi3.11 mi20498+50112479+21312479+21318999(Top 71%)11890(Top 78%)11890(Top 528%)
Half13.11 mi0.68 mi20401+9712436+4312436+4317820(Top 67%)11426(Top 75%)11426(Top 507%)
25K15.53 mi2.42 mi19985+41612261+17512261+17517815(Top 67%)11328(Top 75%)11328(Top 503%)
30K18.64 mi3.11 mi19429+55612020+24112020+24116850(Top 63%)10851(Top 72%)10851(Top 482%)
20M20.00 mi1.36 mi19218+21111918+10211918+10216615(Top 62%)10673(Top 70%)10673(Top 474%)
21M21.00 mi1.00 mi18988+23011808+11011808+11015068(Top 57%)9964(Top 66%)9964(Top 442%)
35K21.75 mi0.75 mi18832+15611735+7311735+7314430(Top 54%)9625(Top 63%)9625(Top 427%)
23M23.00 mi1.25 mi18591+24111627+10811627+10814980(Top 56%)9808(Top 65%)9808(Top 436%)
24M24.00 mi1.00 mi18401+19011525+10211525+10213535(Top 51%)9111(Top 60%)9111(Top 405%)
40K24.85 mi0.85 mi18198+20311422+10311422+10312327(Top 46%)8483(Top 56%)8483(Top 377%)
25.2M25.20 mi0.35 mi18154+4411401+2111401+2114804(Top 56%)9608(Top 63%)9608(Top 427%)
Finish26.22 mi1.02 mi17981+17311316+8511316+8513388(Top 50%)8973(Top 59%)8973(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20009

Males

12295

M45-49

12295

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21644

Males

12995

M45-49

12995

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20009

Males

12295

M45-49

12295

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18999

Males

11890

M45-49

11890

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17820

Males

11426

M45-49

11426

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17815

Males

11328

M45-49

11328

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16850

Males

10851

M45-49

10851

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16615

Males

10673

M45-49

10673

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15068

Males

9964

M45-49

9964

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14430

Males

9625

M45-49

9625

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14980

Males

9808

M45-49

9808

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13535

Males

9111

M45-49

9111

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12327

Males

8483

M45-49

8483

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14804

Males

9608

M45-49

9608

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13388

Males

8973

M45-49

8973

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3651
Passed By
528
Net Change
+3123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21104
5K → 10K175424-249#21104#21353
10K → 15K40248+354#21353#20999
15K → 20K51615+501#20999#20498
20K → Half981+97#20498#20401
Half → 25K4204+416#20401#19985
25K → 30K5648+556#19985#19429
30K → 20M2176+211#19429#19218
20M → 21M2355+230#19218#18988
21M → 35K1571+156#18988#18832
35K → 23M2465+241#18832#18591
23M → 24M1911+190#18591#18401
24M → 40K2041+203#18401#18198
40K → 25.2M473+44#18198#18154
25.2M → Finish1796+173#18154#17981
TOTALS3651528+3123
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing