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BOSTON MARATHON 2023

Jean-Luc Caous

Bib: 14370•M

FL

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
25:01
Rank: #14371
Start → 5K
8:03/mi
25:01 split
10K· 6.21 mi
49:44
Rank: #14414 (-43)
5K → 10K
7:57/mi
24:43 split
15K· 9.32 mi
1:14:36
Rank: #14382 (+32)
10K → 15K
8:00/mi
24:52 split
20K· 12.43 mi
1:41:09
Rank: #15165 (-783)
15K → 20K
8:33/mi
26:33 split
Half· 13.11 mi
1:46:44
Rank: #15187 (-22)
20K → Half
8:11/mi
5:35 split
25K· 15.53 mi
2:07:26
Rank: #15373 (-186)
Half → 25K
8:32/mi
20:42 split
30K· 18.64 mi
2:34:56
Rank: #15557 (-184)
25K → 30K
8:51/mi
27:30 split
20M
2:46:48
Rank: #15494 (+63)
30K → 20M
8:44/mi
11:52 split
21M
2:56:02
Rank: #15406 (+88)
20M → 21M
9:14/mi
9:14 split
35K· 21.75 mi
3:02:37
Rank: #15476 (-70)
21M → 35K
8:48/mi
6:35 split
23M
3:13:56
Rank: #15511 (-35)
35K → 23M
9:02/mi
11:19 split
24M
3:22:32
Rank: #15481 (+30)
23M → 24M
8:36/mi
8:36 split
40K· 24.85 mi
3:30:05
Rank: #15475 (+6)
24M → 40K
8:50/mi
7:33 split
25.2M
3:33:14
Rank: #15424 (+51)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:41:41
Rank: #15363 (+61)
25.2M → Finish
8:18/mi
8:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:44
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:54:57
Pace8:46 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1225:018:0325:01
8:03
-
10K
6.21 mi11:18:5549:448:0024:43
7:57
-0:06
15K
9.32 mi11:43:471:14:368:0024:52
8:00
+0:03
20K
12.43 mi12:10:201:41:098:0826:33
8:33
+0:33
Half
13.11 mi12:15:551:46:448:085:35
8:11
-0:22
25K
15.53 mi12:36:372:07:268:1220:42
8:32
+0:21
30K
18.64 mi13:04:072:34:568:1927:30
8:51
+0:19
20M
20.00 mi13:15:592:46:488:2011:52
8:44
-0:07
21M
21.00 mi13:25:132:56:028:239:14
9:14
+0:30
35K
21.75 mi13:31:483:02:378:246:35
8:48
-0:26
23M
23.00 mi13:43:073:13:568:2611:19
9:02
+0:14
24M
24.00 mi13:51:433:22:328:268:36
8:36
-0:26
40K
24.85 mi13:59:163:30:058:277:33
8:50
+0:14
25.2M
25.20 mi14:02:253:33:148:283:09
9:08
+0:18
Finish
26.22 mi14:10:523:41:418:288:27
8:18
-0:50

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

7:57 /mi

Average Pace

8:28 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:21

71% of race

Time at Steady Pace

1:05:20

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi10:54:1225:018:0325:01
8:03
#14371
10K
6.21 mi11:18:5549:448:0024:43
7:57
#14414
15K
9.32 mi11:43:471:14:368:0024:52
8:00
#14382
20K
12.43 mi12:10:201:41:098:0826:33
8:33
#15165
Half
13.11 mi12:15:551:46:448:085:35
8:11
#15187
25K
15.53 mi12:36:372:07:268:1220:42
8:32
#15373
30K
18.64 mi13:04:072:34:568:1927:30
8:51
#15557
20M
20.00 mi13:15:592:46:488:2011:52
8:44
#15494
21M
21.00 mi13:25:132:56:028:239:14
9:14
#15406
35K
21.75 mi13:31:483:02:378:246:35
8:48
#15476
23M
23.00 mi13:43:073:13:568:2611:19
9:02
#15511
24M
24.00 mi13:51:433:22:328:268:36
8:36
#15481
40K
24.85 mi13:59:163:30:058:277:33
8:50
#15475
25.2M
25.20 mi14:02:253:33:148:283:09
9:08
#15424
Finish
26.22 mi14:10:523:41:418:288:27
8:18
#15363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14371101031010314408(Top 54%)10066(Top 66%)10066(Top 708%)
10K6.21 mi3.10 mi14414-43101031010314439(Top 54%)10097(Top 67%)10097(Top 710%)
15K9.32 mi3.11 mi14382+3210076+2710076+2714408(Top 54%)10066(Top 66%)10066(Top 708%)
20K12.43 mi3.11 mi15165-78310358-28210358-28217139(Top 64%)11102(Top 73%)11102(Top 781%)
Half13.11 mi0.68 mi15187-2210367-910367-915623(Top 59%)10531(Top 69%)10531(Top 741%)
25K15.53 mi2.42 mi15373-18610407-4010407-4016410(Top 62%)10715(Top 71%)10715(Top 754%)
30K18.64 mi3.11 mi15557-18410435-2810435-2816377(Top 62%)10639(Top 70%)10639(Top 748%)
20M20.00 mi1.36 mi15494+6310388+4710388+4715041(Top 56%)10003(Top 66%)10003(Top 703%)
21M21.00 mi1.00 mi15406+8810326+6210326+6214633(Top 55%)9777(Top 64%)9777(Top 688%)
35K21.75 mi0.75 mi15476-7010340-1410340-1416902(Top 63%)10651(Top 70%)10651(Top 749%)
23M23.00 mi1.25 mi15511-3510319+2110319+2116223(Top 61%)10340(Top 68%)10340(Top 727%)
24M24.00 mi1.00 mi15481+3010298+2110298+2115039(Top 56%)9770(Top 64%)9770(Top 687%)
40K24.85 mi0.85 mi15475+610278+2010278+2015219(Top 57%)9785(Top 64%)9785(Top 688%)
25.2M25.20 mi0.35 mi15424+5110257+2110257+2113248(Top 50%)8889(Top 59%)8889(Top 625%)
Finish26.22 mi1.02 mi15363+6110219+3810219+3814049(Top 53%)9268(Top 61%)9268(Top 652%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14408

Males

10066

M55-59

10066

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14439

Males

10097

M55-59

10097

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14408

Males

10066

M55-59

10066

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17139

Males

11102

M55-59

11102

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15623

Males

10531

M55-59

10531

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16410

Males

10715

M55-59

10715

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16377

Males

10639

M55-59

10639

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15041

Males

10003

M55-59

10003

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14633

Males

9777

M55-59

9777

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16902

Males

10651

M55-59

10651

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16223

Males

10340

M55-59

10340

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15039

Males

9770

M55-59

9770

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15219

Males

9785

M55-59

9785

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13248

Males

8889

M55-59

8889

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14049

Males

9268

M55-59

9268

Passing Analysis

Category:
Athletes Passed
1418
Passed By
2410
Net Change
-992
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14371
5K → 10K269312-43#14371#14414
10K → 15K206174+32#14414#14382
15K → 20K47830-783#14382#15165
20K → Half3254-22#15165#15187
Half → 25K83269-186#15187#15373
25K → 30K126310-184#15373#15557
30K → 20M11350+63#15557#15494
20M → 21M13345+88#15494#15406
21M → 35K30100-70#15406#15476
35K → 23M82117-35#15476#15511
23M → 24M7242+30#15511#15481
24M → 40K5751+6#15481#15475
40K → 25.2M6514+51#15475#15424
25.2M → Finish10342+61#15424#15363
TOTALS14182410-992
📊

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