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BOSTON MARATHON 2023

Adrian Heffernan

Bib: 5200•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M40-44)
#0 / 2241
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:08
Rank: #4679
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
41:58
Rank: #4515 (+164)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:02:44
Rank: #4313 (+202)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:23:37
Rank: #4147 (+166)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:28:07
Rank: #4098 (+49)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:26
Rank: #3984 (+114)
Half → 25K
16:19 | 6:44/mi
30K· 18.64 mi
2:05:34
Rank: #3737 (+247)
25K → 30K
21:08 | 6:48/mi
20M
2:14:45
Rank: #3592 (+145)
30K → 20M
9:11 | 6:45/mi
21M
2:21:55
Rank: #3518 (+74)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:26:49
Rank: #3449 (+69)
21M → 35K
4:54 | 6:33/mi
23M
2:35:13
Rank: #3324 (+125)
35K → 23M
8:24 | 6:43/mi
24M
2:41:42
Rank: #3232 (+92)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:47:24
Rank: #3160 (+72)
24M → 40K
5:42 | 6:40/mi
25.2M
2:49:49
Rank: #3105 (+55)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:56:12
Rank: #2974 (+131)
25.2M → Finish
6:23 | 6:16/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:07
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5421:086:4821:08
6:48
-
10K
6.21 mi10:44:4441:586:4520:50
6:42
-0:06
15K
9.32 mi11:05:301:02:446:4420:46
6:41
-0:01
20K
12.43 mi11:26:231:23:376:4420:53
6:43
+0:02
Half
13.11 mi11:30:531:28:076:434:30
6:36
-0:07
25K
15.53 mi11:47:121:44:266:4316:19
6:44
+0:08
30K
18.64 mi12:08:202:05:346:4421:08
6:48
+0:04
20M
20.00 mi12:17:312:14:456:449:11
6:45
-0:03
21M
21.00 mi12:24:412:21:556:457:10
7:10
+0:25
35K
21.75 mi12:29:352:26:496:454:54
6:33
-0:37
23M
23.00 mi12:37:592:35:136:458:24
6:43
+0:10
24M
24.00 mi12:44:282:41:426:446:29
6:29
-0:14
40K
24.85 mi12:50:102:47:246:445:42
6:40
+0:11
25.2M
25.20 mi12:52:352:49:496:442:25
7:00
+0:20
Finish
26.22 mi12:58:582:56:126:446:23
6:16
-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

6:16 /mi

Average Pace

6:44 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:37

95% of race

Time at Steady Pace

9:35

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:23:5421:086:4821:08
6:48
#4679
10K
6.21 mi10:44:4441:586:4520:50
6:42
#4515
15K
9.32 mi11:05:301:02:446:4420:46
6:41
#4313
20K
12.43 mi11:26:231:23:376:4420:53
6:43
#4147
Half
13.11 mi11:30:531:28:076:434:30
6:36
#4098
25K
15.53 mi11:47:121:44:266:4316:19
6:44
#3984
30K
18.64 mi12:08:202:05:346:4421:08
6:48
#3737
20M
20.00 mi12:17:312:14:456:449:11
6:45
#3592
21M
21.00 mi12:24:412:21:556:457:10
7:10
#3518
35K
21.75 mi12:29:352:26:496:454:54
6:33
#3449
23M
23.00 mi12:37:592:35:136:458:24
6:43
#3324
24M
24.00 mi12:44:282:41:426:446:29
6:29
#3232
40K
24.85 mi12:50:102:47:246:445:42
6:40
#3160
25.2M
25.20 mi12:52:352:49:496:442:25
7:00
#3105
Finish
26.22 mi12:58:582:56:126:446:23
6:16
#2974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4679435343533958(Top 15%)3719(Top 25%)3719(Top 166%)
10K6.21 mi3.10 mi4515+1644218+1354218+1354361(Top 16%)4080(Top 27%)4080(Top 182%)
15K9.32 mi3.11 mi4313+2024039+1794039+1793958(Top 15%)3719(Top 25%)3719(Top 166%)
20K12.43 mi3.11 mi4147+1663891+1483891+1483724(Top 14%)3518(Top 23%)3518(Top 157%)
Half13.11 mi0.68 mi4098+493843+483843+483361(Top 13%)3192(Top 21%)3192(Top 142%)
25K15.53 mi2.42 mi3984+1143748+953748+953583(Top 13%)3378(Top 22%)3378(Top 151%)
30K18.64 mi3.11 mi3737+2473529+2193529+2192997(Top 11%)2835(Top 19%)2835(Top 127%)
20M20.00 mi1.36 mi3592+1453398+1313398+1312578(Top 10%)2445(Top 16%)2445(Top 109%)
21M21.00 mi1.00 mi3518+743333+653333+652916(Top 11%)2733(Top 18%)2733(Top 122%)
35K21.75 mi0.75 mi3449+693266+673266+672703(Top 10%)2546(Top 17%)2546(Top 114%)
23M23.00 mi1.25 mi3324+1253147+1193147+1192217(Top 8%)2090(Top 14%)2090(Top 93%)
24M24.00 mi1.00 mi3232+923058+893058+892043(Top 8%)1918(Top 13%)1918(Top 86%)
40K24.85 mi0.85 mi3160+722992+662992+662200(Top 8%)2051(Top 14%)2051(Top 92%)
25.2M25.20 mi0.35 mi3105+552940+522940+521789(Top 7%)1682(Top 11%)1682(Top 75%)
Finish26.22 mi1.02 mi2974+1312816+1242816+1241502(Top 6%)1421(Top 9%)1421(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3958

Males

3719

M40-44

3719

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4361

Males

4080

M40-44

4080

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3958

Males

3719

M40-44

3719

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3724

Males

3518

M40-44

3518

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3361

Males

3192

M40-44

3192

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3583

Males

3378

M40-44

3378

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2997

Males

2835

M40-44

2835

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2578

Males

2445

M40-44

2445

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2916

Males

2733

M40-44

2733

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2703

Males

2546

M40-44

2546

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2217

Males

2090

M40-44

2090

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2043

Males

1918

M40-44

1918

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2200

Males

2051

M40-44

2051

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1789

Males

1682

M40-44

1682

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1502

Males

1421

M40-44

1421

Passing Analysis

Category:
Athletes Passed
2012
Passed By
307
Net Change
+1705
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4679
5K → 10K294130+164#4679#4515
10K → 15K24442+202#4515#4313
15K → 20K18923+166#4313#4147
20K → Half567+49#4147#4098
Half → 25K13723+114#4098#3984
25K → 30K26619+247#3984#3737
30K → 20M1483+145#3737#3592
20M → 21M9117+74#3592#3518
21M → 35K7910+69#3518#3449
35K → 23M1338+125#3449#3324
23M → 24M997+92#3324#3232
24M → 40K797+72#3232#3160
40K → 25.2M572+55#3160#3105
25.2M → Finish1409+131#3105#2974
TOTALS2012307+1705
📊

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