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BOSTON MARATHON 2023

Thomas Fleck

Bib: 26983•M

MA

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
26:24
Rank: #17529
Start → 5K
26:24 | 8:30/mi
10K· 6.21 mi
52:01
Rank: #16991 (+538)
5K → 10K
25:37 | 8:15/mi
15K· 9.32 mi
1:17:14
Rank: #16409 (+582)
10K → 15K
25:13 | 8:07/mi
20K· 12.43 mi
1:42:31
Rank: #15908 (+501)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:47:59
Rank: #15831 (+77)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:07:52
Rank: #15549 (+282)
Half → 25K
19:53 | 8:12/mi
30K· 18.64 mi
2:34:08
Rank: #15244 (+305)
25K → 30K
26:16 | 8:27/mi
20M
2:45:44
Rank: #15141 (+103)
30K → 20M
11:36 | 8:32/mi
21M
2:54:32
Rank: #14962 (+179)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
3:00:49
Rank: #14947 (+15)
21M → 35K
6:17 | 8:24/mi
23M
3:11:44
Rank: #14903 (+44)
35K → 23M
10:55 | 8:43/mi
24M
3:20:18
Rank: #14881 (+22)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:27:49
Rank: #14855 (+26)
24M → 40K
7:31 | 8:47/mi
25.2M
3:31:00
Rank: #14826 (+29)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:39:42
Rank: #14864 (-38)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:51:43
Pace8:31 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2326:248:3026:24
8:30
-
10K
6.21 mi12:09:0052:018:2225:37
8:15
-0:15
15K
9.32 mi12:34:131:17:148:1725:13
8:07
-0:08
20K
12.43 mi12:59:301:42:318:1525:17
8:08
+0:01
Half
13.11 mi13:04:581:47:598:145:28
8:01
-0:07
25K
15.53 mi13:24:512:07:528:1419:53
8:12
+0:11
30K
18.64 mi13:51:072:34:088:1626:16
8:27
+0:15
20M
20.00 mi14:02:432:45:448:1711:36
8:32
+0:05
21M
21.00 mi14:11:312:54:328:198:48
8:48
+0:16
35K
21.75 mi14:17:483:00:498:196:17
8:24
-0:24
23M
23.00 mi14:28:433:11:448:2010:55
8:43
+0:19
24M
24.00 mi14:37:173:20:188:218:34
8:34
-0:09
40K
24.85 mi14:44:483:27:498:227:31
8:47
+0:13
25.2M
25.20 mi14:47:593:31:008:223:11
9:14
+0:27
Finish
26.22 mi14:56:413:39:428:238:42
8:32
-0:42

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

8:01 /mi

Average Pace

8:23 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:31

99% of race

Time at Steady Pace

3:11

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /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 mi11:43:2326:248:3026:24
8:30
#17529
10K
6.21 mi12:09:0052:018:2225:37
8:15
#16991
15K
9.32 mi12:34:131:17:148:1725:13
8:07
#16409
20K
12.43 mi12:59:301:42:318:1525:17
8:08
#15908
Half
13.11 mi13:04:581:47:598:145:28
8:01
#15831
25K
15.53 mi13:24:512:07:528:1419:53
8:12
#15549
30K
18.64 mi13:51:072:34:088:1626:16
8:27
#15244
20M
20.00 mi14:02:432:45:448:1711:36
8:32
#15141
21M
21.00 mi14:11:312:54:328:198:48
8:48
#14962
35K
21.75 mi14:17:483:00:498:196:17
8:24
#14947
23M
23.00 mi14:28:433:11:448:2010:55
8:43
#14903
24M
24.00 mi14:37:173:20:188:218:34
8:34
#14881
40K
24.85 mi14:44:483:27:498:227:31
8:47
#14855
25.2M
25.20 mi14:47:593:31:008:223:11
9:14
#14826
Finish
26.22 mi14:56:413:39:428:238:42
8:32
#14864
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi17529112331123315269(Top 57%)10413(Top 69%)10413(Top 465%)
10K6.21 mi3.10 mi16991+53811061+17211061+17216548(Top 62%)10917(Top 72%)10917(Top 487%)
15K9.32 mi3.11 mi16409+58210855+20610855+20615269(Top 57%)10413(Top 69%)10413(Top 465%)
20K12.43 mi3.11 mi15908+50110640+21510640+21514493(Top 54%)10079(Top 66%)10079(Top 450%)
Half13.11 mi0.68 mi15831+7710606+3410606+3414442(Top 54%)10081(Top 66%)10081(Top 450%)
25K15.53 mi2.42 mi15549+28210469+13710469+13714231(Top 53%)9864(Top 65%)9864(Top 440%)
30K18.64 mi3.11 mi15244+30510317+15210317+15214009(Top 53%)9658(Top 64%)9658(Top 431%)
20M20.00 mi1.36 mi15141+10310259+5810259+5813838(Top 52%)9503(Top 63%)9503(Top 424%)
21M21.00 mi1.00 mi14962+17910176+8310176+8312246(Top 46%)8700(Top 57%)8700(Top 388%)
35K21.75 mi0.75 mi14947+1510149+2710149+2714683(Top 55%)9734(Top 64%)9734(Top 434%)
23M23.00 mi1.25 mi14903+4410111+3810111+3814481(Top 54%)9569(Top 63%)9569(Top 427%)
24M24.00 mi1.00 mi14881+2210080+3110080+3114850(Top 56%)9691(Top 64%)9691(Top 432%)
40K24.85 mi0.85 mi14855+2610040+4010040+4015023(Top 56%)9696(Top 64%)9696(Top 433%)
25.2M25.20 mi0.35 mi14826+2910018+2210018+2213757(Top 52%)9125(Top 60%)9125(Top 407%)
Finish26.22 mi1.02 mi14864-3810019-110019-115610(Top 59%)9996(Top 66%)9996(Top 446%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15269

Males

10413

M40-44

10413

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16548

Males

10917

M40-44

10917

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15269

Males

10413

M40-44

10413

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14493

Males

10079

M40-44

10079

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14442

Males

10081

M40-44

10081

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14231

Males

9864

M40-44

9864

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14009

Males

9658

M40-44

9658

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13838

Males

9503

M40-44

9503

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12246

Males

8700

M40-44

8700

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14683

Males

9734

M40-44

9734

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14481

Males

9569

M40-44

9569

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14850

Males

9691

M40-44

9691

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15023

Males

9696

M40-44

9696

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13757

Males

9125

M40-44

9125

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15610

Males

9996

M40-44

9996

Passing Analysis

Category:
Athletes Passed
3287
Passed By
622
Net Change
+2665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17529
5K → 10K683145+538#17529#16991
10K → 15K62442+582#16991#16409
15K → 20K52019+501#16409#15908
20K → Half825+77#15908#15831
Half → 25K30018+282#15831#15549
25K → 30K35045+305#15549#15244
30K → 20M14340+103#15244#15141
20M → 21M1889+179#15141#14962
21M → 35K5540+15#14962#14947
35K → 23M10359+44#14947#14903
23M → 24M7452+22#14903#14881
24M → 40K7044+26#14881#14855
40K → 25.2M4718+29#14855#14826
25.2M → Finish4886-38#14826#14864
TOTALS3287622+2665
📊

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