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BOSTON MARATHON 2023

Justin Augustine

Bib: 8933•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 27%
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
22:29
Rank: #7719
Start → 5K
22:29 | 7:14/mi
10K· 6.21 mi
44:40
Rank: #7676 (+43)
5K → 10K
22:11 | 7:08/mi
15K· 9.32 mi
1:07:00
Rank: #7668 (+8)
10K → 15K
22:20 | 7:11/mi
20K· 12.43 mi
1:30:01
Rank: #7852 (-184)
15K → 20K
23:01 | 7:25/mi
Half· 13.11 mi
1:34:52
Rank: #7805 (+47)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:52:29
Rank: #7662 (+143)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:15:57
Rank: #7595 (+67)
25K → 30K
23:28 | 7:33/mi
20M
2:26:16
Rank: #7535 (+60)
30K → 20M
10:19 | 7:36/mi
21M
2:34:18
Rank: #7515 (+20)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:39:41
Rank: #7461 (+54)
21M → 35K
5:23 | 7:12/mi
23M
2:49:15
Rank: #7398 (+63)
35K → 23M
9:34 | 7:38/mi
24M
2:56:40
Rank: #7348 (+50)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
3:03:05
Rank: #7302 (+46)
24M → 40K
6:25 | 7:30/mi
25.2M
3:05:50
Rank: #7278 (+24)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:12:50
Rank: #7102 (+176)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:52
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:37:58
Pace7:28 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4822:297:1422:29
7:14
-
10K
6.21 mi11:09:5944:407:1122:11
7:08
-0:06
15K
9.32 mi11:32:191:07:007:1122:20
7:11
+0:03
20K
12.43 mi11:55:201:30:017:1523:01
7:25
+0:14
Half
13.11 mi12:00:111:34:527:144:51
7:07
-0:18
25K
15.53 mi12:17:481:52:297:1417:37
7:16
+0:09
30K
18.64 mi12:41:162:15:577:1823:28
7:33
+0:17
20M
20.00 mi12:51:352:26:167:1910:19
7:36
+0:03
21M
21.00 mi12:59:372:34:187:218:02
8:02
+0:26
35K
21.75 mi13:05:002:39:417:215:23
7:12
-0:50
23M
23.00 mi13:14:342:49:157:229:34
7:38
+0:26
24M
24.00 mi13:21:592:56:407:227:25
7:25
-0:13
40K
24.85 mi13:28:243:03:057:226:25
7:30
+0:05
25.2M
25.20 mi13:31:093:05:507:222:45
7:58
+0:28
Finish
26.22 mi13:38:093:12:507:227:00
6:52
-1:06

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

6:52 /mi

Average Pace

7:22 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:10

84% of race

Time at Steady Pace

30:40

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:47:4822:297:1422:29
7:14
#7719
10K
6.21 mi11:09:5944:407:1122:11
7:08
#7676
15K
9.32 mi11:32:191:07:007:1122:20
7:11
#7668
20K
12.43 mi11:55:201:30:017:1523:01
7:25
#7852
Half
13.11 mi12:00:111:34:527:144:51
7:07
#7805
25K
15.53 mi12:17:481:52:297:1417:37
7:16
#7662
30K
18.64 mi12:41:162:15:577:1823:28
7:33
#7595
20M
20.00 mi12:51:352:26:167:1910:19
7:36
#7535
21M
21.00 mi12:59:372:34:187:218:02
8:02
#7515
35K
21.75 mi13:05:002:39:417:215:23
7:12
#7461
23M
23.00 mi13:14:342:49:157:229:34
7:38
#7398
24M
24.00 mi13:21:592:56:407:227:25
7:25
#7348
40K
24.85 mi13:28:243:03:057:226:25
7:30
#7302
25.2M
25.20 mi13:31:093:05:507:222:45
7:58
#7278
Finish
26.22 mi13:38:093:12:507:227:00
6:52
#7102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7719679167917716(Top 29%)6728(Top 44%)6728(Top 300%)
10K6.21 mi3.10 mi7676+436753+386753+387683(Top 29%)6719(Top 44%)6719(Top 300%)
15K9.32 mi3.11 mi7668+86738+156738+157716(Top 29%)6728(Top 44%)6728(Top 300%)
20K12.43 mi3.11 mi7852-1846843-1056843-1058563(Top 32%)7228(Top 48%)7228(Top 323%)
Half13.11 mi0.68 mi7805+476809+346809+347199(Top 27%)6368(Top 42%)6368(Top 284%)
25K15.53 mi2.42 mi7662+1436702+1076702+1077052(Top 26%)6192(Top 41%)6192(Top 276%)
30K18.64 mi3.11 mi7595+676622+806622+807590(Top 29%)6442(Top 42%)6442(Top 287%)
20M20.00 mi1.36 mi7535+606552+706552+707414(Top 28%)6219(Top 41%)6219(Top 278%)
21M21.00 mi1.00 mi7515+206525+276525+277528(Top 28%)6196(Top 41%)6196(Top 276%)
35K21.75 mi0.75 mi7461+546475+506475+506485(Top 24%)5565(Top 37%)5565(Top 248%)
23M23.00 mi1.25 mi7398+636415+606415+607342(Top 28%)6022(Top 40%)6022(Top 269%)
24M24.00 mi1.00 mi7348+506369+466369+467147(Top 27%)5797(Top 38%)5797(Top 259%)
40K24.85 mi0.85 mi7302+466319+506319+506741(Top 25%)5478(Top 36%)5478(Top 244%)
25.2M25.20 mi0.35 mi7278+246295+246295+246319(Top 24%)5155(Top 34%)5155(Top 230%)
Finish26.22 mi1.02 mi7102+1766149+1466149+1464457(Top 17%)3890(Top 26%)3890(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7716

Males

6728

M40-44

6728

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7683

Males

6719

M40-44

6719

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7716

Males

6728

M40-44

6728

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8563

Males

7228

M40-44

7228

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7199

Males

6368

M40-44

6368

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7052

Males

6192

M40-44

6192

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7590

Males

6442

M40-44

6442

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7414

Males

6219

M40-44

6219

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7528

Males

6196

M40-44

6196

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6485

Males

5565

M40-44

5565

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7342

Males

6022

M40-44

6022

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7147

Males

5797

M40-44

5797

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6741

Males

5478

M40-44

5478

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6319

Males

5155

M40-44

5155

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4457

Males

3890

M40-44

3890

Passing Analysis

Category:
Athletes Passed
1552
Passed By
935
Net Change
+617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7719
5K → 10K245202+43#7719#7676
10K → 15K135127+8#7676#7668
15K → 20K65249-184#7668#7852
20K → Half536+47#7852#7805
Half → 25K17229+143#7805#7662
25K → 30K16699+67#7662#7595
30K → 20M10747+60#7595#7535
20M → 21M7050+20#7535#7515
21M → 35K6511+54#7515#7461
35K → 23M9936+63#7461#7398
23M → 24M7727+50#7398#7348
24M → 40K7529+46#7348#7302
40K → 25.2M3511+24#7302#7278
25.2M → Finish18812+176#7278#7102
TOTALS1552935+617
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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