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BOSTON MARATHON 2023

Jim Lanciault

Bib: 19460•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #16322
Start → 5K
8:20/mi
25:52 split
10K· 6.21 mi
51:11
Rank: #16088 (+234)
5K → 10K
8:09/mi
25:19 split
15K· 9.32 mi
1:17:06
Rank: #16311 (-223)
10K → 15K
8:21/mi
25:55 split
20K· 12.43 mi
1:43:14
Rank: #16331 (-20)
15K → 20K
8:25/mi
26:08 split
Half· 13.11 mi
1:48:50
Rank: #16290 (+41)
20K → Half
8:12/mi
5:36 split
25K· 15.53 mi
2:09:05
Rank: #16096 (+194)
Half → 25K
8:21/mi
20:15 split
30K· 18.64 mi
2:36:20
Rank: #16061 (+35)
25K → 30K
8:46/mi
27:15 split
20M
2:48:11
Rank: #15961 (+100)
30K → 20M
8:43/mi
11:51 split
21M
2:59:20
Rank: #16427 (-466)
20M → 21M
11:09/mi
11:09 split
35K· 21.75 mi
3:06:21
Rank: #16576 (-149)
21M → 35K
9:23/mi
7:01 split
23M
3:18:26
Rank: #16749 (-173)
35K → 23M
9:39/mi
12:05 split
24M
3:27:43
Rank: #16848 (-99)
23M → 24M
9:17/mi
9:17 split
40K· 24.85 mi
3:36:16
Rank: #17001 (-153)
24M → 40K
10:00/mi
8:33 split
25.2M
3:40:06
Rank: #17109 (-108)
40K → 25.2M
11:07/mi
3:50 split
Finish· 26.22 mi
3:50:41
Rank: #17491 (-382)
25.2M → Finish
10:23/mi
10:35 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:50
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:01:51
Pace9:18 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2625:528:2025:52
8:20
-
10K
6.21 mi11:42:4551:118:1425:19
8:09
-0:11
15K
9.32 mi12:08:401:17:068:1625:55
8:21
+0:12
20K
12.43 mi12:34:481:43:148:1826:08
8:25
+0:04
Half
13.11 mi12:40:241:48:508:185:36
8:12
-0:13
25K
15.53 mi13:00:392:09:058:1920:15
8:21
+0:09
30K
18.64 mi13:27:542:36:208:2327:15
8:46
+0:25
20M
20.00 mi13:39:452:48:118:2511:51
8:43
-0:03
21M
21.00 mi13:50:542:59:208:3211:09
11:09
+2:26
35K
21.75 mi13:57:553:06:218:347:01
9:23
-1:46
23M
23.00 mi14:10:003:18:268:3812:05
9:39
+0:16
24M
24.00 mi14:19:173:27:438:399:17
9:17
-0:22
40K
24.85 mi14:27:503:36:168:428:33
10:00
+0:43
25.2M
25.20 mi14:31:403:40:068:443:50
11:07
+1:07
Finish
26.22 mi14:42:153:50:418:4810:35
10:23
-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

8:09 /mi

Average Pace

8:48 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:55

13% of race

Time at Steady Pace

2:17:16

60% of race

Time at Slower Pace

1:02:30

27% of race

Average Pace: 8:48 /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 mi11:17:2625:528:2025:52
8:20
#16322
10K
6.21 mi11:42:4551:118:1425:19
8:09
#16088
15K
9.32 mi12:08:401:17:068:1625:55
8:21
#16311
20K
12.43 mi12:34:481:43:148:1826:08
8:25
#16331
Half
13.11 mi12:40:241:48:508:185:36
8:12
#16290
25K
15.53 mi13:00:392:09:058:1920:15
8:21
#16096
30K
18.64 mi13:27:542:36:208:2327:15
8:46
#16061
20M
20.00 mi13:39:452:48:118:2511:51
8:43
#15961
21M
21.00 mi13:50:542:59:208:3211:09
11:09
#16427
35K
21.75 mi13:57:553:06:218:347:01
9:23
#16576
23M
23.00 mi14:10:003:18:268:3812:05
9:39
#16749
24M
24.00 mi14:19:173:27:438:399:17
9:17
#16848
40K
24.85 mi14:27:503:36:168:428:33
10:00
#17001
25.2M
25.20 mi14:31:403:40:068:443:50
11:07
#17109
Finish
26.22 mi14:42:153:50:418:4810:35
10:23
#17491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16322108211082116788(Top 63%)10983(Top 72%)10983(Top 772%)
10K6.21 mi3.10 mi16088+23410737+8410737+8415881(Top 60%)10668(Top 70%)10668(Top 750%)
15K9.32 mi3.11 mi16311-22310819-8210819-8216788(Top 63%)10983(Top 72%)10983(Top 772%)
20K12.43 mi3.11 mi16331-2010803+1610803+1616310(Top 61%)10756(Top 71%)10756(Top 756%)
Half13.11 mi0.68 mi16290+4110788+1510788+1515846(Top 60%)10634(Top 70%)10634(Top 748%)
25K15.53 mi2.42 mi16096+19410683+10510683+10515267(Top 57%)10257(Top 68%)10257(Top 721%)
30K18.64 mi3.11 mi16061+3510629+5410629+5415883(Top 60%)10433(Top 69%)10433(Top 734%)
20M20.00 mi1.36 mi15961+10010567+6210567+6214981(Top 56%)9991(Top 66%)9991(Top 703%)
21M21.00 mi1.00 mi16427-46610744-17710744-17721130(Top 79%)12577(Top 83%)12577(Top 884%)
35K21.75 mi0.75 mi16576-14910796-5210796-5219415(Top 73%)11774(Top 78%)11774(Top 828%)
23M23.00 mi1.25 mi16749-17310855-5910855-5918900(Top 71%)11525(Top 76%)11525(Top 810%)
24M24.00 mi1.00 mi16848-9910873-1810873-1818381(Top 69%)11258(Top 74%)11258(Top 792%)
40K24.85 mi0.85 mi17001-15310918-4510918-4519938(Top 75%)11885(Top 78%)11885(Top 836%)
25.2M25.20 mi0.35 mi17109-10810964-4610964-4620682(Top 78%)12233(Top 81%)12233(Top 860%)
Finish26.22 mi1.02 mi17491-38211112-14811112-14822751(Top 85%)13197(Top 87%)13197(Top 928%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16788

Males

10983

M55-59

10983

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15881

Males

10668

M55-59

10668

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16788

Males

10983

M55-59

10983

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16310

Males

10756

M55-59

10756

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15846

Males

10634

M55-59

10634

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15267

Males

10257

M55-59

10257

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15883

Males

10433

M55-59

10433

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14981

Males

9991

M55-59

9991

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21130

Males

12577

M55-59

12577

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19415

Males

11774

M55-59

11774

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18900

Males

11525

M55-59

11525

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18381

Males

11258

M55-59

11258

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19938

Males

11885

M55-59

11885

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20682

Males

12233

M55-59

12233

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22751

Males

13197

M55-59

13197

Passing Analysis

Category:
Athletes Passed
1479
Passed By
2648
Net Change
-1169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16322
5K → 10K415181+234#16322#16088
10K → 15K120343-223#16088#16311
15K → 20K164184-20#16311#16331
20K → Half6322+41#16331#16290
Half → 25K25157+194#16290#16096
25K → 30K190155+35#16096#16061
30K → 20M13131+100#16061#15961
20M → 21M13479-466#15961#16427
21M → 35K19168-149#16427#16576
35K → 23M43216-173#16576#16749
23M → 24M32131-99#16749#16848
24M → 40K26179-153#16848#17001
40K → 25.2M2110-108#17001#17109
25.2M → Finish10392-382#17109#17491
TOTALS14792648-1169
📊

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