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BOSTON MARATHON 2023

James Clardy

Bib: 26565•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:53
Rank: #18573
Start → 5K
26:53 | 8:39/mi
10K· 6.21 mi
54:05
Rank: #19121 (-548)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:20:57
Rank: #18960 (+161)
10K → 15K
26:52 | 8:39/mi
20K· 12.43 mi
1:47:46
Rank: #18644 (+316)
15K → 20K
26:49 | 8:38/mi
Half· 13.11 mi
1:53:37
Rank: #18615 (+29)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:14:43
Rank: #18409 (+206)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:42:22
Rank: #18038 (+371)
25K → 30K
27:39 | 8:54/mi
20M
2:54:53
Rank: #17993 (+45)
30K → 20M
12:31 | 9:13/mi
21M
3:04:27
Rank: #17885 (+108)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:11:08
Rank: #17877 (+8)
21M → 35K
6:41 | 8:56/mi
23M
3:22:48
Rank: #17879 (-2)
35K → 23M
11:40 | 9:19/mi
24M
3:31:49
Rank: #17866 (+13)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:39:35
Rank: #17812 (+54)
24M → 40K
7:46 | 9:05/mi
25.2M
3:43:03
Rank: #17811 (+1)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:52:08
Rank: #17794 (+17)
25.2M → Finish
9:05 | 8:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:37
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:58:31
Pace9:02 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1726:538:3926:53
8:39
-
10K
6.21 mi12:10:2954:058:4227:12
8:45
+0:06
15K
9.32 mi12:37:211:20:578:4126:52
8:39
-0:06
20K
12.43 mi13:04:101:47:468:4026:49
8:38
-0:01
Half
13.11 mi13:10:011:53:378:405:51
8:34
-0:04
25K
15.53 mi13:31:072:14:438:4021:06
8:42
+0:08
30K
18.64 mi13:58:462:42:228:4327:39
8:54
+0:12
20M
20.00 mi14:11:172:54:538:4512:31
9:13
+0:19
21M
21.00 mi14:20:513:04:278:479:34
9:34
+0:21
35K
21.75 mi14:27:323:11:088:476:41
8:56
-0:38
23M
23.00 mi14:39:123:22:488:4911:40
9:19
+0:23
24M
24.00 mi14:48:133:31:498:509:01
9:01
-0:18
40K
24.85 mi14:55:593:39:358:507:46
9:05
+0:04
25.2M
25.20 mi14:59:273:43:038:513:28
10:03
+0:58
Finish
26.22 mi15:08:323:52:088:529:05
8:55
-1:08

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

8:34 /mi

Average Pace

8:52 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:06

94% of race

Time at Steady Pace

13:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:43:1726:538:3926:53
8:39
#18573
10K
6.21 mi12:10:2954:058:4227:12
8:45
#19121
15K
9.32 mi12:37:211:20:578:4126:52
8:39
#18960
20K
12.43 mi13:04:101:47:468:4026:49
8:38
#18644
Half
13.11 mi13:10:011:53:378:405:51
8:34
#18615
25K
15.53 mi13:31:072:14:438:4021:06
8:42
#18409
30K
18.64 mi13:58:462:42:228:4327:39
8:54
#18038
20M
20.00 mi14:11:172:54:538:4512:31
9:13
#17993
21M
21.00 mi14:20:513:04:278:479:34
9:34
#17885
35K
21.75 mi14:27:323:11:088:476:41
8:56
#17877
23M
23.00 mi14:39:123:22:488:4911:40
9:19
#17879
24M
24.00 mi14:48:133:31:498:509:01
9:01
#17866
40K
24.85 mi14:55:593:39:358:507:46
9:05
#17812
25.2M
25.20 mi14:59:273:43:038:513:28
10:03
#17811
Finish
26.22 mi15:08:323:52:088:529:05
8:55
#17794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18573116341163418708(Top 70%)11760(Top 77%)11760(Top 525%)
10K6.21 mi3.10 mi19121-54811871-23711871-23719696(Top 74%)12164(Top 80%)12164(Top 543%)
15K9.32 mi3.11 mi18960+16111832+3911832+3918708(Top 70%)11760(Top 77%)11760(Top 525%)
20K12.43 mi3.11 mi18644+31611724+10811724+10817681(Top 66%)11328(Top 75%)11328(Top 505%)
Half13.11 mi0.68 mi18615+2911718+611718+618131(Top 68%)11537(Top 76%)11537(Top 515%)
25K15.53 mi2.42 mi18409+20611616+10211616+10217384(Top 65%)11146(Top 73%)11146(Top 497%)
30K18.64 mi3.11 mi18038+37111427+18911427+18916648(Top 63%)10767(Top 71%)10767(Top 480%)
20M20.00 mi1.36 mi17993+4511388+3911388+3917584(Top 66%)11059(Top 73%)11059(Top 493%)
21M21.00 mi1.00 mi17885+10811342+4611342+4616265(Top 61%)10473(Top 69%)10473(Top 467%)
35K21.75 mi0.75 mi17877+811330+1211330+1217601(Top 66%)10972(Top 72%)10972(Top 490%)
23M23.00 mi1.25 mi17879-211316+1411316+1417587(Top 66%)10942(Top 72%)10942(Top 488%)
24M24.00 mi1.00 mi17866+1311300+1611300+1617299(Top 65%)10764(Top 71%)10764(Top 480%)
40K24.85 mi0.85 mi17812+5411271+2911271+2916556(Top 62%)10381(Top 68%)10381(Top 463%)
25.2M25.20 mi0.35 mi17811+111267+411267+417556(Top 66%)10813(Top 71%)10813(Top 483%)
Finish26.22 mi1.02 mi17794+1711248+1911248+1917541(Top 66%)10841(Top 71%)10841(Top 484%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18708

Males

11760

M40-44

11760

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19696

Males

12164

M40-44

12164

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18708

Males

11760

M40-44

11760

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17681

Males

11328

M40-44

11328

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18131

Males

11537

M40-44

11537

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17384

Males

11146

M40-44

11146

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16648

Males

10767

M40-44

10767

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17584

Males

11059

M40-44

11059

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16265

Males

10473

M40-44

10473

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17601

Males

10972

M40-44

10972

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17587

Males

10942

M40-44

10942

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17299

Males

10764

M40-44

10764

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16556

Males

10381

M40-44

10381

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17556

Males

10813

M40-44

10813

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17541

Males

10841

M40-44

10841

Passing Analysis

Category:
Athletes Passed
2072
Passed By
1293
Net Change
+779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18573
5K → 10K139687-548#18573#19121
10K → 15K266105+161#19121#18960
15K → 20K35640+316#18960#18644
20K → Half4718+29#18644#18615
Half → 25K23933+206#18615#18409
25K → 30K41039+371#18409#18038
30K → 20M11065+45#18038#17993
20M → 21M14537+108#17993#17885
21M → 35K5244+8#17885#17877
35K → 23M8688-2#17877#17879
23M → 24M6754+13#17879#17866
24M → 40K7117+54#17866#17812
40K → 25.2M2827+1#17812#17811
25.2M → Finish5639+17#17811#17794
TOTALS20721293+779
📊

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