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BOSTON MARATHON 2023

Matthew Accornero

Bib: 7461•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
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
22:35
Rank: #7926
Start → 5K
22:35 | 7:16/mi
10K· 6.21 mi
45:41
Rank: #8826 (-900)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:08:46
Rank: #9027 (-201)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:32:00
Rank: #9023 (+4)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:37:06
Rank: #9070 (-47)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:55:19
Rank: #9012 (+58)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:20:06
Rank: #9273 (-261)
25K → 30K
24:47 | 7:59/mi
20M
2:31:00
Rank: #9364 (-91)
30K → 20M
10:54 | 8:01/mi
21M
2:39:16
Rank: #9295 (+69)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:45:16
Rank: #9394 (-99)
21M → 35K
6:00 | 8:01/mi
23M
2:55:56
Rank: #9603 (-209)
35K → 23M
10:40 | 8:31/mi
24M
3:04:30
Rank: #9833 (-230)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:11:47
Rank: #9966 (-133)
24M → 40K
7:17 | 8:31/mi
25.2M
3:14:54
Rank: #9997 (-31)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:23:03
Rank: #10059 (-62)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:06
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:45:57
Pace8:05 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2022:357:1622:35
7:16
-
10K
6.21 mi10:50:2645:417:2123:06
7:26
+0:10
15K
9.32 mi11:13:311:08:467:2323:05
7:26
0:00
20K
12.43 mi11:36:451:32:007:2423:14
7:29
+0:03
Half
13.11 mi11:41:511:37:067:245:06
7:29
0:00
25K
15.53 mi12:00:041:55:197:2518:13
7:31
+0:02
30K
18.64 mi12:24:512:20:067:3124:47
7:59
+0:28
20M
20.00 mi12:35:452:31:007:3310:54
8:01
+0:02
21M
21.00 mi12:44:012:39:167:358:16
8:16
+0:15
35K
21.75 mi12:50:012:45:167:366:00
8:01
-0:15
23M
23.00 mi13:00:412:55:567:3910:40
8:31
+0:30
24M
24.00 mi13:09:153:04:307:418:34
8:34
+0:03
40K
24.85 mi13:16:323:11:477:437:17
8:31
-0:03
25.2M
25.20 mi13:19:393:14:547:443:07
9:02
+0:31
Finish
26.22 mi13:27:483:23:037:458:09
8:00
-1:02

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

7:45 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:19

57% of race

Time at Steady Pace

49:50

25% of race

Time at Slower Pace

37:54

19% of race

Average Pace: 7:45 /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 mi10:27:2022:357:1622:35
7:16
#7926
10K
6.21 mi10:50:2645:417:2123:06
7:26
#8826
15K
9.32 mi11:13:311:08:467:2323:05
7:26
#9027
20K
12.43 mi11:36:451:32:007:2423:14
7:29
#9023
Half
13.11 mi11:41:511:37:067:245:06
7:29
#9070
25K
15.53 mi12:00:041:55:197:2518:13
7:31
#9012
30K
18.64 mi12:24:512:20:067:3124:47
7:59
#9273
20M
20.00 mi12:35:452:31:007:3310:54
8:01
#9364
21M
21.00 mi12:44:012:39:167:358:16
8:16
#9295
35K
21.75 mi12:50:012:45:167:366:00
8:01
#9394
23M
23.00 mi13:00:412:55:567:3910:40
8:31
#9603
24M
24.00 mi13:09:153:04:307:418:34
8:34
#9833
40K
24.85 mi13:16:323:11:477:437:17
8:31
#9966
25.2M
25.20 mi13:19:393:14:547:443:07
9:02
#9997
Finish
26.22 mi13:27:483:23:037:458:09
8:00
#10059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7926692469249594(Top 36%)7921(Top 52%)7921(Top 353%)
10K6.21 mi3.10 mi8826-9007476-5527476-5529924(Top 37%)8129(Top 54%)8129(Top 363%)
15K9.32 mi3.11 mi9027-2017579-1037579-1039594(Top 36%)7921(Top 52%)7921(Top 353%)
20K12.43 mi3.11 mi9023+47562+177562+179144(Top 34%)7587(Top 50%)7587(Top 339%)
Half13.11 mi0.68 mi9070-477589-277589-279984(Top 38%)8094(Top 53%)8094(Top 361%)
25K15.53 mi2.42 mi9012+587553+367553+368881(Top 33%)7361(Top 49%)7361(Top 328%)
30K18.64 mi3.11 mi9273-2617668-1157668-11510685(Top 40%)8183(Top 54%)8183(Top 365%)
20M20.00 mi1.36 mi9364-917695-277695-2710400(Top 39%)7958(Top 52%)7958(Top 355%)
21M21.00 mi1.00 mi9295+697631+647631+649010(Top 34%)7079(Top 47%)7079(Top 316%)
35K21.75 mi0.75 mi9394-997674-437674-4312217(Top 46%)8635(Top 57%)8635(Top 385%)
23M23.00 mi1.25 mi9603-2097768-947768-9413328(Top 50%)9051(Top 60%)9051(Top 404%)
24M24.00 mi1.00 mi9833-2307870-1027870-10214829(Top 56%)9670(Top 64%)9670(Top 432%)
40K24.85 mi0.85 mi9966-1337907-377907-3713427(Top 50%)8966(Top 59%)8966(Top 400%)
25.2M25.20 mi0.35 mi9997-317909-27909-212662(Top 48%)8575(Top 57%)8575(Top 383%)
Finish26.22 mi1.02 mi10059-627924-157924-1512087(Top 45%)8322(Top 55%)8322(Top 371%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9594

Males

7921

M40-44

7921

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9924

Males

8129

M40-44

8129

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9594

Males

7921

M40-44

7921

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9144

Males

7587

M40-44

7587

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9984

Males

8094

M40-44

8094

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8881

Males

7361

M40-44

7361

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10685

Males

8183

M40-44

8183

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10400

Males

7958

M40-44

7958

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9010

Males

7079

M40-44

7079

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12217

Males

8635

M40-44

8635

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13328

Males

9051

M40-44

9051

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14829

Males

9670

M40-44

9670

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13427

Males

8966

M40-44

8966

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12662

Males

8575

M40-44

8575

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12087

Males

8322

M40-44

8322

Passing Analysis

Category:
Athletes Passed
840
Passed By
2972
Net Change
-2133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7926
5K → 10K24924-900#7926#8826
10K → 15K85286-201#8826#9027
15K → 20K129125+4#9027#9023
20K → Half1158-47#9023#9070
Half → 25K13981+58#9070#9012
25K → 30K95356-261#9012#9273
30K → 20M47138-91#9273#9364
20M → 21M11748+69#9364#9295
21M → 35K24123-99#9295#9394
35K → 23M40249-209#9394#9603
23M → 24M17247-230#9603#9833
24M → 40K36169-133#9833#9966
40K → 25.2M2152-31#9966#9997
25.2M → Finish55116-62#9997#10059
TOTALS8402972-2133
📊

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