Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

William Bortcosh

Bib: 28432 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
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
21:31
3.11 mi
Rank: #7953
Start β†’ 5K
21:31 | 6:56/mi
10K
43:18
6.21 mi
Rank: #8350 (-397)
5K β†’ 10K
21:47 | 7:01/mi
15K
1:06:10
9.32 mi
Rank: #9284 (-934)
10K β†’ 15K
22:52 | 7:22/mi
20K
1:30:09
12.43 mi
Rank: #10383 (-1099)
15K β†’ 20K
23:59 | 7:44/mi
HALF
1:35:32
13.11 mi
Rank: #10691 (-308)
20K β†’ HALF
5:23 | 7:54/mi
25K
1:55:30
15.53 mi
Rank: #11847 (-1156)
HALF β†’ 25K
19:58 | 8:14/mi
30K
2:24:01
18.64 mi
Rank: #13730 (-1883)
25K β†’ 30K
28:31 | 9:11/mi
20M
2:37:37
20.00 mi
Rank: #14766 (-1036)
30K β†’ 20M
13:36 | 10:01/mi
21M
2:48:47
21.00 mi
Rank: #15650 (-884)
20M β†’ 21M
11:10 | 11:10/mi
35K
2:56:28
21.75 mi
Rank: #16147 (-497)
21M β†’ 35K
7:41 | 10:17/mi
23M
3:11:03
23.00 mi
Rank: #17250 (-1103)
35K β†’ 23M
14:35 | 11:40/mi
24M
3:24:13
24.00 mi
Rank: #18428 (-1178)
23M β†’ 24M
13:10 | 13:10/mi
40K
3:35:51
24.85 mi
Rank: #19351 (-923)
24M β†’ 40K
11:38 | 13:37/mi
25.2M
3:40:01
25.20 mi
Rank: #19502 (-151)
40K β†’ 25.2M
4:10 | 12:05/mi
FINISH
3:52:34
26.22 mi
Rank: #20198 (-696)
25.2M β†’ FINISH
12:33 | 12:19/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:32
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time2:17:02
Pace10:28 /mi
πŸ“ŠPositive Split: 43.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2721:316:5621:31
6:56
-
10K
6.21 mi12:07:1443:186:5921:47
7:01
+0:05
15K
9.32 mi12:30:061:06:107:0622:52
7:22
+0:21
20K
12.43 mi12:54:051:30:097:1623:59
7:44
+0:22
HALF
13.11 mi12:59:281:35:327:185:23
7:54
+0:10
25K
15.53 mi13:19:261:55:307:2719:58
8:14
+0:20
30K
18.64 mi13:47:572:24:017:4428:31
9:11
+0:57
20M
20.00 mi14:01:332:37:377:5313:36
10:01
+0:50
21M
21.00 mi14:12:432:48:478:0311:10
11:10
+1:09
35K
21.75 mi14:20:242:56:288:077:41
10:17
-0:53
23M
23.00 mi14:34:593:11:038:1914:35
11:40
+1:23
24M
24.00 mi14:48:093:24:138:3113:10
13:10
+1:30
40K
24.85 mi14:59:473:35:518:4211:38
13:37
+0:27
25.2M
25.20 mi15:03:573:40:018:444:10
12:05
-1:32
FINISH
26.22 mi15:16:303:52:348:5312:33
12:19
+0:14

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

6:56 /mi

Average Pace

8:53 /mi

Slowest Pace

13:37 /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

1:55:30

50% of race

Time at Steady Pace

49:48

21% of race

Time at Slower Pace

1:07:16

29% of race

Average Pace: 8:52 /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 mi11:45:2721:316:5621:31
6:56
#7953
10K
6.21 mi12:07:1443:186:5921:47
7:01
#8350
15K
9.32 mi12:30:061:06:107:0622:52
7:22
#9284
20K
12.43 mi12:54:051:30:097:1623:59
7:44
#10383
HALF
13.11 mi12:59:281:35:327:185:23
7:54
#10691
25K
15.53 mi13:19:261:55:307:2719:58
8:14
#11847
30K
18.64 mi13:47:572:24:017:4428:31
9:11
#13730
20M
20.00 mi14:01:332:37:377:5313:36
10:01
#14766
21M
21.00 mi14:12:432:48:478:0311:10
11:10
#15650
35K
21.75 mi14:20:242:56:288:077:41
10:17
#16147
23M
23.00 mi14:34:593:11:038:1914:35
11:40
#17250
24M
24.00 mi14:48:093:24:138:3113:10
13:10
#18428
40K
24.85 mi14:59:473:35:518:4211:38
13:37
#19351
25.2M
25.20 mi15:03:573:40:018:444:10
12:05
#19502
FINISH
26.22 mi15:16:303:52:348:5312:33
12:19
#20198
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 mi79536873687311598(Top 40%)8757(Top 54%)8757(Top 398%)
10K6.21 mi3.10 mi8350-3977110-2377110-2378764(Top 30%)7358(Top 45%)7358(Top 335%)
15K9.32 mi3.11 mi9284-9347685-5757685-57511598(Top 40%)8757(Top 54%)8757(Top 398%)
20K12.43 mi3.11 mi10383-10998210-5258210-52513884(Top 48%)9678(Top 59%)9678(Top 440%)
HALF13.11 mi0.68 mi10691-3088349-1398349-13916306(Top 56%)10740(Top 66%)10740(Top 489%)
25K15.53 mi2.42 mi11847-11568850-5018850-50117007(Top 59%)10955(Top 67%)10955(Top 498%)
30K18.64 mi3.11 mi13730-18839635-7859635-78520411(Top 70%)12374(Top 76%)12374(Top 563%)
20M20.00 mi1.36 mi14766-103610020-38510020-38522590(Top 78%)13342(Top 82%)13342(Top 607%)
21M21.00 mi1.00 mi15650-88410356-33610356-33623470(Top 81%)13704(Top 84%)13704(Top 623%)
35K21.75 mi0.75 mi16147-49710530-17410530-17423796(Top 82%)13828(Top 85%)13828(Top 629%)
23M23.00 mi1.25 mi17250-110310997-46710997-46725646(Top 88%)14660(Top 90%)14660(Top 667%)
24M24.00 mi1.00 mi18428-117811485-48811485-48827776(Top 96%)15674(Top 96%)15674(Top 713%)
40K24.85 mi0.85 mi19351-92311872-38711872-38727582(Top 95%)15577(Top 95%)15577(Top 709%)
25.2M25.20 mi0.35 mi19502-15111938-6611938-6624560(Top 85%)14042(Top 86%)14042(Top 639%)
FINISH26.22 mi1.02 mi20198-69612251-31312251-31327741(Top 96%)15654(Top 96%)15654(Top 712%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
Γ—21
+97ft-345ft

Overall

11598

Males

8757

M40-44

8757

5K→10K

3.1 - 6.2 mi

Top 30%
Γ—5
+79ft-138ft

Overall

8764

Males

7358

M40-44

7358

10K→15K

6.2 - 9.3 mi

Top 40%
Γ—3
+67ft-78ft

Overall

11598

Males

8757

M40-44

8757

15K→20K

9.3 - 12.4 mi

Top 48%
Γ—5
+106ft-86ft

Overall

13884

Males

9678

M40-44

9678

20K→HALF

12.4 - 13.1 mi

Top 56%
Γ—2
+19ft-37ft

Overall

16306

Males

10740

M40-44

10740

HALF→25K

13.1 - 15.5 mi

Top 59%
Γ—4
+66ft-88ft

Overall

17007

Males

10955

M40-44

10955

25K→30K

15.5 - 18.6 mi

Top 70%
Γ—9
+181ft-148ft

Overall

20411

Males

12374

M40-44

12374

30K→20M

18.6 - 20.0 mi

Top 78%
Γ—5
+64ft-50ft

Overall

22590

Males

13342

M40-44

13342

20M→21M

20.0 - 21.0 mi

Top 81%
Γ—8
+106ft-24ft

Overall

23470

Males

13704

M40-44

13704

21M→35K

21.0 - 21.8 mi

Top 82%
Γ—7
+17ft-86ft

Overall

23796

Males

13828

M40-44

13828

35K→23M

21.8 - 23.0 mi

Top 88%
Γ—5
+23ft-63ft

Overall

25646

Males

14660

M40-44

14660

23M→24M

23.0 - 24.0 mi

Top 96%
Γ—6
+12ft-82ft

Overall

27776

Males

15674

M40-44

15674

24M→40K

24.0 - 24.9 mi

Top 95%
Γ—1
+6ft-20ft

Overall

27582

Males

15577

M40-44

15577

40K→25.2M

24.9 - 25.2 mi

Top 85%
Γ—1
+13ft-16ft

Overall

24560

Males

14042

M40-44

14042

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
Γ—2
+22ft-21ft

Overall

27741

Males

15654

M40-44

15654

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
194
Passed By
2755
Net Change
-12245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#7953
5K β†’ 10K84200-397#7953#8350
10K β†’ 15K13200-934#8350#9284
15K β†’ 20K19200-1099#9284#10383
20K β†’ HALF1200-308#10383#10691
HALF β†’ 25K17200-1156#10691#11847
25K β†’ 30K15200-1883#11847#13730
30K β†’ 20M8200-1036#13730#14766
20M β†’ 21M13200-884#14766#15650
21M β†’ 35K10200-497#15650#16147
35K β†’ 23M5200-1103#16147#17250
23M β†’ 24M2200-1178#17250#18428
24M β†’ 40K1200-923#18428#19351
40K β†’ 25.2M4155-151#19351#19502
25.2M β†’ FINISH2200-696#19502#20198
TOTALS1942755-12245
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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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