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BOSTON MARATHON 2023

Gustavo Dias Nascimento

Bib: 12449•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:54
Rank: #11373
Start → 5K
23:54 | 7:42/mi
10K· 6.21 mi
47:43
Rank: #11609 (-236)
5K → 10K
23:49 | 7:40/mi
15K· 9.32 mi
1:11:35
Rank: #11607 (+2)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:36:01
Rank: #11747 (-140)
15K → 20K
24:26 | 7:52/mi
Half· 13.11 mi
1:41:20
Rank: #11797 (-50)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:00:39
Rank: #11858 (-61)
Half → 25K
19:19 | 7:58/mi
30K· 18.64 mi
2:27:05
Rank: #12390 (-532)
25K → 30K
26:26 | 8:30/mi
20M
2:38:44
Rank: #12522 (-132)
30K → 20M
11:39 | 8:34/mi
21M
2:47:59
Rank: #12657 (-135)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:54:22
Rank: #12763 (-106)
21M → 35K
6:23 | 8:32/mi
23M
3:05:56
Rank: #13075 (-312)
35K → 23M
11:34 | 9:14/mi
24M
3:15:52
Rank: #13592 (-517)
23M → 24M
9:56 | 9:56/mi
40K· 24.85 mi
3:24:25
Rank: #13927 (-335)
24M → 40K
8:33 | 10:00/mi
25.2M
3:28:16
Rank: #14125 (-198)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:38:20
Rank: #14507 (-382)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:57:00
Pace8:56 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1323:547:4223:54
7:42
-
10K
6.21 mi11:17:0247:437:4123:49
7:40
-0:02
15K
9.32 mi11:40:541:11:357:4123:52
7:41
+0:01
20K
12.43 mi12:05:201:36:017:4424:26
7:52
+0:11
Half
13.11 mi12:10:391:41:207:445:19
7:48
-0:04
25K
15.53 mi12:29:582:00:397:4619:19
7:58
+0:10
30K
18.64 mi12:56:242:27:057:5326:26
8:30
+0:32
20M
20.00 mi13:08:032:38:447:5611:39
8:34
+0:04
21M
21.00 mi13:17:182:47:598:009:15
9:15
+0:41
35K
21.75 mi13:23:412:54:228:016:23
8:32
-0:43
23M
23.00 mi13:35:153:05:568:0511:34
9:14
+0:42
24M
24.00 mi13:45:113:15:528:109:56
9:56
+0:42
40K
24.85 mi13:53:443:24:258:138:33
10:00
+0:04
25.2M
25.20 mi13:57:353:28:168:163:51
11:10
+1:10
Finish
26.22 mi14:07:393:38:208:2010:04
9:53
-1:17

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

7:40 /mi

Average Pace

8:20 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:39

55% of race

Time at Steady Pace

44:28

20% of race

Time at Slower Pace

53:13

24% of race

Average Pace: 8:20 /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 mi10:53:1323:547:4223:54
7:42
#11373
10K
6.21 mi11:17:0247:437:4123:49
7:40
#11609
15K
9.32 mi11:40:541:11:357:4123:52
7:41
#11607
20K
12.43 mi12:05:201:36:017:4424:26
7:52
#11747
Half
13.11 mi12:10:391:41:207:445:19
7:48
#11797
25K
15.53 mi12:29:582:00:397:4619:19
7:58
#11858
30K
18.64 mi12:56:242:27:057:5326:26
8:30
#12390
20M
20.00 mi13:08:032:38:447:5611:39
8:34
#12522
21M
21.00 mi13:17:182:47:598:009:15
9:15
#12657
35K
21.75 mi13:23:412:54:228:016:23
8:32
#12763
23M
23.00 mi13:35:153:05:568:0511:34
9:14
#13075
24M
24.00 mi13:45:113:15:528:109:56
9:56
#13592
40K
24.85 mi13:53:443:24:258:138:33
10:00
#13927
25.2M
25.20 mi13:57:353:28:168:163:51
11:10
#14125
Finish
26.22 mi14:07:393:38:208:2010:04
9:53
#14507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi113738837883711693(Top 44%)8952(Top 59%)8952(Top 398%)
10K6.21 mi3.10 mi11609-2368936-998936-9911930(Top 45%)9091(Top 60%)9091(Top 404%)
15K9.32 mi3.11 mi11607+28925+118925+1111693(Top 44%)8952(Top 59%)8952(Top 398%)
20K12.43 mi3.11 mi11747-1408966-418966-4112279(Top 46%)9142(Top 60%)9142(Top 406%)
Half13.11 mi0.68 mi11797-508988-228988-2212634(Top 47%)9359(Top 62%)9359(Top 416%)
25K15.53 mi2.42 mi11858-618995-78995-712459(Top 47%)9111(Top 60%)9111(Top 405%)
30K18.64 mi3.11 mi12390-5329181-1869181-18614363(Top 54%)9803(Top 65%)9803(Top 435%)
20M20.00 mi1.36 mi12522-1329221-409221-4014061(Top 53%)9597(Top 63%)9597(Top 426%)
21M21.00 mi1.00 mi12657-1359252-319252-3114702(Top 55%)9808(Top 65%)9808(Top 436%)
35K21.75 mi0.75 mi12763-1069283-319283-3115452(Top 58%)10048(Top 66%)10048(Top 446%)
23M23.00 mi1.25 mi13075-3129392-1099392-10917223(Top 65%)10784(Top 71%)10784(Top 479%)
24M24.00 mi1.00 mi13592-5179579-1879579-18720584(Top 77%)12241(Top 81%)12241(Top 544%)
40K24.85 mi0.85 mi13927-3359682-1039682-10319934(Top 75%)11881(Top 78%)11881(Top 528%)
25.2M25.20 mi0.35 mi14125-1989748-669748-6620781(Top 78%)12281(Top 81%)12281(Top 545%)
Finish26.22 mi1.02 mi14507-3829888-1409888-14021393(Top 80%)12590(Top 83%)12590(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11693

Males

8952

M45-49

8952

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11930

Males

9091

M45-49

9091

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11693

Males

8952

M45-49

8952

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12279

Males

9142

M45-49

9142

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12634

Males

9359

M45-49

9359

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12459

Males

9111

M45-49

9111

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14363

Males

9803

M45-49

9803

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14061

Males

9597

M45-49

9597

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14702

Males

9808

M45-49

9808

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15452

Males

10048

M45-49

10048

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17223

Males

10784

M45-49

10784

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20584

Males

12241

M45-49

12241

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19934

Males

11881

M45-49

11881

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20781

Males

12281

M45-49

12281

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21393

Males

12590

M45-49

12590

Passing Analysis

Category:
Athletes Passed
913
Passed By
4047
Net Change
-3134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11373
5K → 10K207443-236#11373#11609
10K → 15K188186+2#11609#11607
15K → 20K108248-140#11607#11747
20K → Half1666-50#11747#11797
Half → 25K113174-61#11797#11858
25K → 30K80612-532#11858#12390
30K → 20M64196-132#12390#12522
20M → 21M53188-135#12522#12657
21M → 35K23129-106#12657#12763
35K → 23M24336-312#12763#13075
23M → 24M7524-517#13075#13592
24M → 40K14349-335#13592#13927
40K → 25.2M6204-198#13927#14125
25.2M → Finish10392-382#14125#14507
TOTALS9134047-3134
📊

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