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BOSTON MARATHON 2026

Michael Bosack

Bib: 16916β€’M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 38%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 40%
Age Group (M55-59)
#0 / 1491
Top 24%
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
21:57
3.11 mi
Rank: #9085
Start β†’ 5K
21:57 | 7:04/mi
10K
44:23
6.21 mi
Rank: #9685 (-600)
5K β†’ 10K
22:26 | 7:14/mi
15K
1:06:51
9.32 mi
Rank: #9885 (-200)
10K β†’ 15K
22:28 | 7:14/mi
20K
1:29:54
12.43 mi
Rank: #10203 (-318)
15K β†’ 20K
23:03 | 7:26/mi
HALF
1:34:52
13.11 mi
Rank: #10239 (-36)
20K β†’ HALF
4:58 | 7:18/mi
25K
1:53:12
15.53 mi
Rank: #10465 (-226)
HALF β†’ 25K
18:20 | 7:34/mi
30K
2:17:13
18.64 mi
Rank: #10619 (-154)
25K β†’ 30K
24:01 | 7:44/mi
20M
2:27:51
20.00 mi
Rank: #10675 (-56)
30K β†’ 20M
10:38 | 7:50/mi
21M
2:36:08
21.00 mi
Rank: #10746 (-71)
20M β†’ 21M
8:17 | 8:17/mi
35K
2:41:52
21.75 mi
Rank: #10768 (-22)
21M β†’ 35K
5:44 | 7:40/mi
23M
2:51:44
23.00 mi
Rank: #10779 (-11)
35K β†’ 23M
9:52 | 7:54/mi
24M
2:59:44
24.00 mi
Rank: #10870 (-91)
23M β†’ 24M
8:00 | 8:00/mi
40K
3:06:51
24.85 mi
Rank: #11008 (-138)
24M β†’ 40K
7:07 | 8:20/mi
25.2M
3:10:02
25.20 mi
Rank: #11082 (-74)
40K β†’ 25.2M
3:11 | 9:14/mi
FINISH
3:17:48
26.22 mi
Rank: #11089 (-7)
25.2M β†’ FINISH
7:46 | 7:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:52
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:42:56
Pace7:52 /mi
πŸ“ŠPositive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:1821:577:0421:57
7:04
-
10K
6.21 mi11:25:4444:237:0922:26
7:14
+0:10
15K
9.32 mi11:48:121:06:517:1122:28
7:14
0:00
20K
12.43 mi12:11:151:29:547:1523:03
7:26
+0:12
HALF
13.11 mi12:16:131:34:527:154:58
7:18
-0:08
25K
15.53 mi12:34:331:53:127:1818:20
7:34
+0:16
30K
18.64 mi12:58:342:17:137:2224:01
7:44
+0:10
20M
20.00 mi13:09:122:27:517:2410:38
7:50
+0:06
21M
21.00 mi13:17:292:36:087:278:17
8:17
+0:27
35K
21.75 mi13:23:132:41:527:275:44
7:40
-0:37
23M
23.00 mi13:33:052:51:447:299:52
7:54
+0:14
24M
24.00 mi13:41:052:59:447:308:00
8:00
+0:06
40K
24.85 mi13:48:123:06:517:327:07
8:20
+0:20
25.2M
25.20 mi13:51:233:10:027:333:11
9:14
+0:54
FINISH
26.22 mi13:59:093:17:487:337:46
7:38
-1:36

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

7:04 /mi

Average Pace

7:33 /mi

Slowest Pace

9:14 /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

1:11:49

36% of race

Time at Steady Pace

1:39:24

50% of race

Time at Slower Pace

26:35

13% of race

Average Pace: 7:33 /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 mi11:03:1821:577:0421:57
7:04
#9085
10K
6.21 mi11:25:4444:237:0922:26
7:14
#9685
15K
9.32 mi11:48:121:06:517:1122:28
7:14
#9885
20K
12.43 mi12:11:151:29:547:1523:03
7:26
#10203
HALF
13.11 mi12:16:131:34:527:154:58
7:18
#10239
25K
15.53 mi12:34:331:53:127:1818:20
7:34
#10465
30K
18.64 mi12:58:342:17:137:2224:01
7:44
#10619
20M
20.00 mi13:09:122:27:517:2410:38
7:50
#10675
21M
21.00 mi13:17:292:36:087:278:17
8:17
#10746
35K
21.75 mi13:23:132:41:527:275:44
7:40
#10768
23M
23.00 mi13:33:052:51:447:299:52
7:54
#10779
24M
24.00 mi13:41:052:59:447:308:00
8:00
#10870
40K
24.85 mi13:48:123:06:517:327:07
8:20
#11008
25.2M
25.20 mi13:51:233:10:027:333:11
9:14
#11082
FINISH
26.22 mi13:59:093:17:487:337:46
7:38
#11089
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi90857605760510378(Top 36%)8193(Top 50%)8193(Top 549%)
10K6.21 mi3.10 mi9685-6007920-3157920-31510450(Top 36%)8287(Top 51%)8287(Top 556%)
15K9.32 mi3.11 mi9885-2007999-797999-7910378(Top 36%)8193(Top 50%)8193(Top 549%)
20K12.43 mi3.11 mi10203-3188119-1208119-12011286(Top 39%)8517(Top 52%)8517(Top 571%)
HALF13.11 mi0.68 mi10239-368128-98128-911032(Top 38%)8504(Top 52%)8504(Top 570%)
25K15.53 mi2.42 mi10465-2268211-838211-8311901(Top 41%)8737(Top 53%)8737(Top 586%)
30K18.64 mi3.11 mi10619-1548233-228233-2211454(Top 39%)8408(Top 51%)8408(Top 564%)
20M20.00 mi1.36 mi10675-568236-38236-311532(Top 40%)8328(Top 51%)8328(Top 559%)
21M21.00 mi1.00 mi10746-718245-98245-911717(Top 40%)8296(Top 51%)8296(Top 556%)
35K21.75 mi0.75 mi10768-228229+168229+1612016(Top 41%)8428(Top 52%)8428(Top 565%)
23M23.00 mi1.25 mi10779-118214+158214+1511607(Top 40%)8156(Top 50%)8156(Top 547%)
24M24.00 mi1.00 mi10870-918235-218235-2113738(Top 47%)9038(Top 55%)9038(Top 606%)
40K24.85 mi0.85 mi11008-1388281-468281-4614563(Top 50%)9311(Top 57%)9311(Top 624%)
25.2M25.20 mi0.35 mi11082-748311-308311-3015868(Top 55%)9896(Top 61%)9896(Top 664%)
FINISH26.22 mi1.02 mi11089-78276+358276+3512357(Top 43%)8255(Top 51%)8255(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
Γ—21
+97ft-345ft

Overall

10378

Males

8193

M55-59

8193

5K→10K

3.1 - 6.2 mi

Top 36%
Γ—5
+79ft-138ft

Overall

10450

Males

8287

M55-59

8287

10K→15K

6.2 - 9.3 mi

Top 36%
Γ—3
+67ft-78ft

Overall

10378

Males

8193

M55-59

8193

15K→20K

9.3 - 12.4 mi

Top 39%
Γ—5
+106ft-86ft

Overall

11286

Males

8517

M55-59

8517

20K→HALF

12.4 - 13.1 mi

Top 38%
Γ—2
+19ft-37ft

Overall

11032

Males

8504

M55-59

8504

HALF→25K

13.1 - 15.5 mi

Top 41%
Γ—4
+66ft-88ft

Overall

11901

Males

8737

M55-59

8737

25K→30K

15.5 - 18.6 mi

Top 39%
Γ—9
+181ft-148ft

Overall

11454

Males

8408

M55-59

8408

30K→20M

18.6 - 20.0 mi

Top 40%
Γ—5
+64ft-50ft

Overall

11532

Males

8328

M55-59

8328

20M→21M

20.0 - 21.0 mi

Top 40%
Γ—8
+106ft-24ft

Overall

11717

Males

8296

M55-59

8296

21M→35K

21.0 - 21.8 mi

Top 41%
Γ—7
+17ft-86ft

Overall

12016

Males

8428

M55-59

8428

35K→23M

21.8 - 23.0 mi

Top 40%
Γ—5
+23ft-63ft

Overall

11607

Males

8156

M55-59

8156

23M→24M

23.0 - 24.0 mi

Top 47%
Γ—6
+12ft-82ft

Overall

13738

Males

9038

M55-59

9038

24M→40K

24.0 - 24.9 mi

Top 50%
Γ—1
+6ft-20ft

Overall

14563

Males

9311

M55-59

9311

40K→25.2M

24.9 - 25.2 mi

Top 55%
Γ—1
+13ft-16ft

Overall

15868

Males

9896

M55-59

9896

25.2M→FINISH

25.2 - 26.2 mi

Top 43%
Γ—2
+22ft-21ft

Overall

12357

Males

8255

M55-59

8255

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
971
Passed By
2973
Net Change
-2004
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#9085
5K β†’ 10K68668-600#9085#9685
10K β†’ 15K109309-200#9685#9885
15K β†’ 20K82398-318#9885#10203
20K β†’ HALF2157-36#10203#10239
HALF β†’ 25K62288-226#10239#10465
25K β†’ 30K141295-154#10465#10619
30K β†’ 20M82138-56#10619#10675
20M β†’ 21M65136-71#10675#10746
21M β†’ 35K5880-22#10746#10768
35K β†’ 23M95106-11#10768#10779
23M β†’ 24M62153-91#10779#10870
24M β†’ 40K38176-138#10870#11008
40K β†’ 25.2M1488-74#11008#11082
25.2M β†’ FINISH7481-7#11082#11089
TOTALS9712973-2004
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing