Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sergio Barrera

Bib: 5404 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 22%
Gender (Male)
#0 / 16340
Top 35%
Masters (Masters Men)
#0 / 10617
Top 20%
Age Group (M40-44)
#0 / 2198
Top 49%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
21:29
3.11 mi
Rank: #7860
Start β†’ 5K
21:29 | 6:55/mi
10K
42:53
6.21 mi
Rank: #7835 (+25)
5K β†’ 10K
21:24 | 6:54/mi
15K
1:04:10
9.32 mi
Rank: #7667 (+168)
10K β†’ 15K
21:17 | 6:52/mi
20K
1:25:31
12.43 mi
Rank: #7431 (+236)
15K β†’ 20K
21:21 | 6:53/mi
HALF
1:30:06
13.11 mi
Rank: #7354 (+77)
20K β†’ HALF
4:35 | 6:44/mi
25K
1:46:44
15.53 mi
Rank: #7146 (+208)
HALF β†’ 25K
16:38 | 6:52/mi
30K
2:08:29
18.64 mi
Rank: #6895 (+251)
25K β†’ 30K
21:45 | 7:01/mi
20M
2:18:04
20.00 mi
Rank: #6774 (+121)
30K β†’ 20M
9:35 | 7:04/mi
21M
2:25:30
21.00 mi
Rank: #6708 (+66)
20M β†’ 21M
7:26 | 7:26/mi
35K
2:30:31
21.75 mi
Rank: #6628 (+80)
21M β†’ 35K
5:01 | 6:43/mi
23M
2:39:19
23.00 mi
Rank: #6520 (+108)
35K β†’ 23M
8:48 | 7:02/mi
24M
2:46:07
24.00 mi
Rank: #6426 (+94)
23M β†’ 24M
6:48 | 6:48/mi
40K
2:52:23
24.85 mi
Rank: #6436 (-10)
24M β†’ 40K
6:16 | 7:20/mi
25.2M
2:55:06
25.20 mi
Rank: #6418 (+18)
40K β†’ 25.2M
2:43 | 7:53/mi
FINISH
3:02:16
26.22 mi
Rank: #6414 (+4)
25.2M β†’ FINISH
7:10 | 7:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:06
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:32:10
Pace7:02 /mi
πŸ“ŠPositive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1521:296:5521:29
6:55
-
10K
6.21 mi10:46:3942:536:5521:24
6:54
-0:01
15K
9.32 mi11:07:561:04:106:5421:17
6:52
-0:02
20K
12.43 mi11:29:171:25:316:5321:21
6:53
+0:01
HALF
13.11 mi11:33:521:30:066:534:35
6:44
-0:09
25K
15.53 mi11:50:301:46:446:5316:38
6:52
+0:08
30K
18.64 mi12:12:152:08:296:5421:45
7:01
+0:09
20M
20.00 mi12:21:502:18:046:559:35
7:04
+0:03
21M
21.00 mi12:29:162:25:306:567:26
7:26
+0:22
35K
21.75 mi12:34:172:30:316:565:01
6:43
-0:43
23M
23.00 mi12:43:052:39:196:568:48
7:02
+0:19
24M
24.00 mi12:49:532:46:076:566:48
6:48
-0:14
40K
24.85 mi12:56:092:52:236:576:16
7:20
+0:32
25.2M
25.20 mi12:58:522:55:066:572:43
7:53
+0:33
FINISH
26.22 mi13:06:023:02:166:587:10
7:02
-0:51

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:43 /mi

Average Pace

6:57 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:52:07

94% of race

Time at Steady Pace

10:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:1521:296:5521:29
6:55
#7860
10K
6.21 mi10:46:3942:536:5521:24
6:54
#7835
15K
9.32 mi11:07:561:04:106:5421:17
6:52
#7667
20K
12.43 mi11:29:171:25:316:5321:21
6:53
#7431
HALF
13.11 mi11:33:521:30:066:534:35
6:44
#7354
25K
15.53 mi11:50:301:46:446:5316:38
6:52
#7146
30K
18.64 mi12:12:152:08:296:5421:45
7:01
#6895
20M
20.00 mi12:21:502:18:046:559:35
7:04
#6774
21M
21.00 mi12:29:162:25:306:567:26
7:26
#6708
35K
21.75 mi12:34:172:30:316:565:01
6:43
#6628
23M
23.00 mi12:43:052:39:196:568:48
7:02
#6520
24M
24.00 mi12:49:532:46:076:566:48
6:48
#6426
40K
24.85 mi12:56:092:52:236:576:16
7:20
#6436
25.2M
25.20 mi12:58:522:55:066:572:43
7:53
#6418
FINISH
26.22 mi13:06:023:02:166:587:10
7:02
#6414
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7860680768077323(Top 25%)6400(Top 39%)6400(Top 291%)
10K6.21 mi3.10 mi7835+256780+276780+277812(Top 27%)6772(Top 41%)6772(Top 308%)
15K9.32 mi3.11 mi7667+1686659+1216659+1217323(Top 25%)6400(Top 39%)6400(Top 291%)
20K12.43 mi3.11 mi7431+2366483+1766483+1766837(Top 24%)6031(Top 37%)6031(Top 274%)
HALF13.11 mi0.68 mi7354+776430+536430+536378(Top 22%)5722(Top 35%)5722(Top 260%)
25K15.53 mi2.42 mi7146+2086281+1496281+1496305(Top 22%)5594(Top 34%)5594(Top 255%)
30K18.64 mi3.11 mi6895+2516082+1996082+1995904(Top 20%)5232(Top 32%)5232(Top 238%)
20M20.00 mi1.36 mi6774+1215978+1045978+1045943(Top 20%)5208(Top 32%)5208(Top 237%)
21M21.00 mi1.00 mi6708+665927+515927+516061(Top 21%)5155(Top 32%)5155(Top 235%)
35K21.75 mi0.75 mi6628+805864+635864+635026(Top 17%)4453(Top 27%)4453(Top 203%)
23M23.00 mi1.25 mi6520+1085767+975767+975663(Top 20%)4878(Top 30%)4878(Top 222%)
24M24.00 mi1.00 mi6426+945688+795688+795133(Top 18%)4446(Top 27%)4446(Top 202%)
40K24.85 mi0.85 mi6436-105676+125676+127621(Top 26%)5956(Top 36%)5956(Top 271%)
25.2M25.20 mi0.35 mi6418+185662+145662+147480(Top 26%)5811(Top 36%)5811(Top 264%)
FINISH26.22 mi1.02 mi6414+45642+205642+207800(Top 27%)5942(Top 36%)5942(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
Γ—21
+97ft-345ft

Overall

7323

Males

6400

M40-44

6400

5K→10K

3.1 - 6.2 mi

Top 27%
Γ—5
+79ft-138ft

Overall

7812

Males

6772

M40-44

6772

10K→15K

6.2 - 9.3 mi

Top 25%
Γ—3
+67ft-78ft

Overall

7323

Males

6400

M40-44

6400

15K→20K

9.3 - 12.4 mi

Top 24%
Γ—5
+106ft-86ft

Overall

6837

Males

6031

M40-44

6031

20K→HALF

12.4 - 13.1 mi

Top 22%
Γ—2
+19ft-37ft

Overall

6378

Males

5722

M40-44

5722

HALF→25K

13.1 - 15.5 mi

Top 22%
Γ—4
+66ft-88ft

Overall

6305

Males

5594

M40-44

5594

25K→30K

15.5 - 18.6 mi

Top 20%
Γ—9
+181ft-148ft

Overall

5904

Males

5232

M40-44

5232

30K→20M

18.6 - 20.0 mi

Top 20%
Γ—5
+64ft-50ft

Overall

5943

Males

5208

M40-44

5208

20M→21M

20.0 - 21.0 mi

Top 21%
Γ—8
+106ft-24ft

Overall

6061

Males

5155

M40-44

5155

21M→35K

21.0 - 21.8 mi

Top 17%
Γ—7
+17ft-86ft

Overall

5026

Males

4453

M40-44

4453

35K→23M

21.8 - 23.0 mi

Top 20%
Γ—5
+23ft-63ft

Overall

5663

Males

4878

M40-44

4878

23M→24M

23.0 - 24.0 mi

Top 18%
Γ—6
+12ft-82ft

Overall

5133

Males

4446

M40-44

4446

24M→40K

24.0 - 24.9 mi

Top 26%
Γ—1
+6ft-20ft

Overall

7621

Males

5956

M40-44

5956

40K→25.2M

24.9 - 25.2 mi

Top 26%
Γ—1
+13ft-16ft

Overall

7480

Males

5811

M40-44

5811

25.2M→FINISH

25.2 - 26.2 mi

Top 27%
Γ—2
+22ft-21ft

Overall

7800

Males

5942

M40-44

5942

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2021*
Passed By
575
Net Change
+1446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#7860
5K β†’ 10K219*194+25#7860#7835
10K β†’ 15K233*65+168#7835#7667
15K β†’ 20K274*38+236#7667#7431
20K β†’ HALF825+77#7431#7354
HALF β†’ 25K233*25+208#7354#7146
25K β†’ 30K290*39+251#7146#6895
30K β†’ 20M14423+121#6895#6774
20M β†’ 21M9125+66#6774#6708
21M β†’ 35K855+80#6708#6628
35K β†’ 23M13628+108#6628#6520
23M β†’ 24M10511+94#6520#6426
24M β†’ 40K5060-10#6426#6436
40K β†’ 25.2M268+18#6436#6418
25.2M β†’ FINISH5349+4#6418#6414
TOTALS2021*575+1446

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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