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BOSTON MARATHON 2023

Bill Flavin

Bib: 8413•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:40
Rank: #13567
Start → 5K
24:40 | 7:56/mi
10K· 6.21 mi
49:20
Rank: #13895 (-328)
5K → 10K
24:40 | 7:56/mi
15K· 9.32 mi
1:14:00
Rank: #13897 (-2)
10K → 15K
24:40 | 7:56/mi
20K· 12.43 mi
1:38:50
Rank: #13717 (+180)
15K → 20K
24:50 | 8:00/mi
Half· 13.11 mi
1:44:10
Rank: #13672 (+45)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:03:58
Rank: #13715 (-43)
Half → 25K
19:48 | 8:10/mi
30K· 18.64 mi
2:28:50
Rank: #13163 (+552)
25K → 30K
24:52 | 8:00/mi
20M
2:39:46
Rank: #12944 (+219)
30K → 20M
10:56 | 8:03/mi
21M
2:47:56
Rank: #12634 (+310)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:53:48
Rank: #12557 (+77)
21M → 35K
5:52 | 7:51/mi
23M
3:03:58
Rank: #12436 (+121)
35K → 23M
10:10 | 8:07/mi
24M
3:11:50
Rank: #12330 (+106)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:18:33
Rank: #12183 (+147)
24M → 40K
6:43 | 7:51/mi
25.2M
3:21:24
Rank: #12110 (+73)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:28:48
Rank: #11890 (+220)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:38
Pace7:59 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0024:407:5624:40
7:56
-
10K
6.21 mi11:15:4049:207:5624:40
7:56
0:00
15K
9.32 mi11:40:201:14:007:5624:40
7:56
0:00
20K
12.43 mi12:05:101:38:507:5724:50
8:00
+0:04
Half
13.11 mi12:10:301:44:107:575:20
7:49
-0:11
25K
15.53 mi12:30:182:03:587:5919:48
8:10
+0:21
30K
18.64 mi12:55:102:28:507:5924:52
8:00
-0:10
20M
20.00 mi13:06:062:39:467:5910:56
8:03
+0:03
21M
21.00 mi13:14:162:47:568:008:10
8:10
+0:07
35K
21.75 mi13:20:082:53:487:595:52
7:51
-0:19
23M
23.00 mi13:30:183:03:588:0010:10
8:07
+0:16
24M
24.00 mi13:38:103:11:508:007:52
7:52
-0:15
40K
24.85 mi13:44:533:18:337:596:43
7:51
-0:01
25.2M
25.20 mi13:47:443:21:248:002:51
8:16
+0:25
Finish
26.22 mi13:55:083:28:487:587:24
7:16
-1:00

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

7:16 /mi

Average Pace

7:58 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:11

51% of race

Time at Steady Pace

1:41:37

49% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:51:0024:407:5624:40
7:56
#13567
10K
6.21 mi11:15:4049:207:5624:40
7:56
#13895
15K
9.32 mi11:40:201:14:007:5624:40
7:56
#13897
20K
12.43 mi12:05:101:38:507:5724:50
8:00
#13717
Half
13.11 mi12:10:301:44:107:575:20
7:49
#13672
25K
15.53 mi12:30:182:03:587:5919:48
8:10
#13715
30K
18.64 mi12:55:102:28:507:5924:52
8:00
#13163
20M
20.00 mi13:06:062:39:467:5910:56
8:03
#12944
21M
21.00 mi13:14:162:47:568:008:10
8:10
#12634
35K
21.75 mi13:20:082:53:487:595:52
7:51
#12557
23M
23.00 mi13:30:183:03:588:0010:10
8:07
#12436
24M
24.00 mi13:38:103:11:508:007:52
7:52
#12330
40K
24.85 mi13:44:533:18:337:596:43
7:51
#12183
25.2M
25.20 mi13:47:443:21:248:002:51
8:16
#12110
Finish
26.22 mi13:55:083:28:487:587:24
7:16
#11890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi135679787978713891(Top 52%)9849(Top 65%)9849(Top 186%)
10K6.21 mi3.10 mi13895-3289895-1089895-10814312(Top 54%)10047(Top 66%)10047(Top 190%)
15K9.32 mi3.11 mi13897-29881+149881+1413891(Top 52%)9849(Top 65%)9849(Top 186%)
20K12.43 mi3.11 mi13717+1809782+999782+9913343(Top 50%)9594(Top 63%)9594(Top 182%)
Half13.11 mi0.68 mi13672+459764+189764+1812805(Top 48%)9398(Top 62%)9398(Top 178%)
25K15.53 mi2.42 mi13715-439762+29762+213971(Top 52%)9748(Top 64%)9748(Top 184%)
30K18.64 mi3.11 mi13163+5529500+2629500+26210940(Top 41%)8320(Top 55%)8320(Top 157%)
20M20.00 mi1.36 mi12944+2199391+1099391+10910592(Top 40%)8048(Top 53%)8048(Top 152%)
21M21.00 mi1.00 mi12634+3109242+1499242+1498425(Top 32%)6731(Top 44%)6731(Top 127%)
35K21.75 mi0.75 mi12557+779199+439199+4310942(Top 41%)8091(Top 53%)8091(Top 153%)
23M23.00 mi1.25 mi12436+1219126+739126+7310592(Top 40%)7768(Top 51%)7768(Top 147%)
24M24.00 mi1.00 mi12330+1069056+709056+7010269(Top 39%)7542(Top 50%)7542(Top 143%)
40K24.85 mi0.85 mi12183+1478965+918965+919037(Top 34%)6847(Top 45%)6847(Top 130%)
25.2M25.20 mi0.35 mi12110+738925+408925+408086(Top 30%)6246(Top 41%)6246(Top 118%)
Finish26.22 mi1.02 mi11890+2208813+1128813+1126848(Top 26%)5483(Top 36%)5483(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13891

Males

9849

M18-39

9849

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14312

Males

10047

M18-39

10047

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13891

Males

9849

M18-39

9849

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13343

Males

9594

M18-39

9594

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12805

Males

9398

M18-39

9398

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13971

Males

9748

M18-39

9748

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10940

Males

8320

M18-39

8320

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10592

Males

8048

M18-39

8048

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8425

Males

6731

M18-39

6731

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10942

Males

8091

M18-39

8091

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10592

Males

7768

M18-39

7768

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10269

Males

7542

M18-39

7542

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9037

Males

6847

M18-39

6847

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8086

Males

6246

M18-39

6246

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6848

Males

5483

M18-39

5483

Passing Analysis

Category:
Athletes Passed
2699
Passed By
1022
Net Change
+1677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13567
5K → 10K160488-328#13567#13895
10K → 15K180182-2#13895#13897
15K → 20K26787+180#13897#13717
20K → Half538+45#13717#13672
Half → 25K125168-43#13672#13715
25K → 30K5619+552#13715#13163
30K → 20M23112+219#13163#12944
20M → 21M3155+310#12944#12634
21M → 35K8912+77#12634#12557
35K → 23M14827+121#12557#12436
23M → 24M11812+106#12436#12330
24M → 40K1514+147#12330#12183
40K → 25.2M785+73#12183#12110
25.2M → Finish2233+220#12110#11890
TOTALS26991022+1677
📊

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