Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Daniel Slowikowski

Bib: 8377 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 13%
Gender (Male)
#0 / 16340
Top 22%
Masters (Masters Men)
#0 / 10617
Top 8%
Age Group (M45-49)
#0 / 2413
Top 9%
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
20:21
3.11 mi
Rank: #4590
Start β†’ 5K
20:21 | 6:34/mi
10K
40:50
6.21 mi
Rank: #4767 (-177)
5K β†’ 10K
20:29 | 6:36/mi
15K
1:01:30
9.32 mi
Rank: #4933 (-166)
10K β†’ 15K
20:40 | 6:40/mi
20K
1:22:23
12.43 mi
Rank: #5010 (-77)
15K β†’ 20K
20:53 | 6:44/mi
HALF
1:26:54
13.11 mi
Rank: #5024 (-14)
20K β†’ HALF
4:31 | 6:38/mi
25K
1:43:03
15.53 mi
Rank: #4917 (+107)
HALF β†’ 25K
16:09 | 6:40/mi
30K
2:03:46
18.64 mi
Rank: #4606 (+311)
25K β†’ 30K
20:43 | 6:41/mi
20M
2:12:45
20.00 mi
Rank: #4427 (+179)
30K β†’ 20M
8:59 | 6:37/mi
21M
2:19:34
21.00 mi
Rank: #4285 (+142)
20M β†’ 21M
6:49 | 6:49/mi
35K
2:24:23
21.75 mi
Rank: #4214 (+71)
21M β†’ 35K
4:49 | 6:27/mi
23M
2:32:35
23.00 mi
Rank: #4064 (+150)
35K β†’ 23M
8:12 | 6:34/mi
24M
2:39:04
24.00 mi
Rank: #3973 (+91)
23M β†’ 24M
6:29 | 6:29/mi
40K
2:44:44
24.85 mi
Rank: #3910 (+63)
24M β†’ 40K
5:40 | 6:38/mi
25.2M
2:47:09
25.20 mi
Rank: #3871 (+39)
40K β†’ 25.2M
2:25 | 7:01/mi
FINISH
2:53:34
26.22 mi
Rank: #3765 (+106)
25.2M β†’ FINISH
6:25 | 6:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:26:40
Pace6:37 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:4020:216:3420:21
6:34
-
10K
6.21 mi10:56:0940:506:3520:29
6:36
+0:02
15K
9.32 mi11:16:491:01:306:3620:40
6:40
+0:04
20K
12.43 mi11:37:421:22:236:3820:53
6:44
+0:04
HALF
13.11 mi11:42:131:26:546:384:31
6:38
-0:06
25K
15.53 mi11:58:221:43:036:3916:09
6:40
+0:02
30K
18.64 mi12:19:052:03:466:3920:43
6:41
+0:01
20M
20.00 mi12:28:042:12:456:398:59
6:37
-0:04
21M
21.00 mi12:34:532:19:346:396:49
6:49
+0:12
35K
21.75 mi12:39:422:24:236:394:49
6:27
-0:22
23M
23.00 mi12:47:542:32:356:398:12
6:34
+0:07
24M
24.00 mi12:54:232:39:046:386:29
6:29
-0:05
40K
24.85 mi13:00:032:44:446:385:40
6:38
+0:09
25.2M
25.20 mi13:02:282:47:096:382:25
7:01
+0:23
FINISH
26.22 mi13:08:532:53:346:386:25
6:18
-0:43

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

6:18 /mi

Average Pace

6:37 /mi

Slowest Pace

7:01 /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

2:51:09

99% of race

Time at Steady Pace

2:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:35:4020:216:3420:21
6:34
#4590
10K
6.21 mi10:56:0940:506:3520:29
6:36
#4767
15K
9.32 mi11:16:491:01:306:3620:40
6:40
#4933
20K
12.43 mi11:37:421:22:236:3820:53
6:44
#5010
HALF
13.11 mi11:42:131:26:546:384:31
6:38
#5024
25K
15.53 mi11:58:221:43:036:3916:09
6:40
#4917
30K
18.64 mi12:19:052:03:466:3920:43
6:41
#4606
20M
20.00 mi12:28:042:12:456:398:59
6:37
#4427
21M
21.00 mi12:34:532:19:346:396:49
6:49
#4285
35K
21.75 mi12:39:422:24:236:394:49
6:27
#4214
23M
23.00 mi12:47:542:32:356:398:12
6:34
#4064
24M
24.00 mi12:54:232:39:046:386:29
6:29
#3973
40K
24.85 mi13:00:032:44:446:385:40
6:38
#3910
25.2M
25.20 mi13:02:282:47:096:382:25
7:01
#3871
FINISH
26.22 mi13:08:532:53:346:386:25
6:18
#3765
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4590431143115339(Top 18%)4940(Top 30%)4940(Top 205%)
10K6.21 mi3.10 mi4767-1774467-1564467-1564947(Top 17%)4617(Top 28%)4617(Top 191%)
15K9.32 mi3.11 mi4933-1664611-1444611-1445339(Top 18%)4940(Top 30%)4940(Top 205%)
20K12.43 mi3.11 mi5010-774669-584669-585372(Top 19%)4937(Top 30%)4937(Top 205%)
HALF13.11 mi0.68 mi5024-144687-184687-185386(Top 19%)4917(Top 30%)4917(Top 204%)
25K15.53 mi2.42 mi4917+1074588+994588+994534(Top 16%)4217(Top 26%)4217(Top 175%)
30K18.64 mi3.11 mi4606+3114314+2744314+2743510(Top 12%)3297(Top 20%)3297(Top 137%)
20M20.00 mi1.36 mi4427+1794154+1604154+1603021(Top 10%)2842(Top 17%)2842(Top 118%)
21M21.00 mi1.00 mi4285+1424020+1344020+1342555(Top 9%)2405(Top 15%)2405(Top 100%)
35K21.75 mi0.75 mi4214+713952+683952+683230(Top 11%)3005(Top 18%)3005(Top 125%)
23M23.00 mi1.25 mi4064+1503809+1433809+1432679(Top 9%)2505(Top 15%)2505(Top 104%)
24M24.00 mi1.00 mi3973+913721+883721+883075(Top 11%)2804(Top 17%)2804(Top 116%)
40K24.85 mi0.85 mi3910+633661+603661+603185(Top 11%)2877(Top 18%)2877(Top 119%)
25.2M25.20 mi0.35 mi3871+393624+373624+372685(Top 9%)2449(Top 15%)2449(Top 101%)
FINISH26.22 mi1.02 mi3765+1063525+993525+993003(Top 10%)2681(Top 16%)2681(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
Γ—21
+97ft-345ft

Overall

5339

Males

4940

M45-49

4940

5K→10K

3.1 - 6.2 mi

Top 17%
Γ—5
+79ft-138ft

Overall

4947

Males

4617

M45-49

4617

10K→15K

6.2 - 9.3 mi

Top 18%
Γ—3
+67ft-78ft

Overall

5339

Males

4940

M45-49

4940

15K→20K

9.3 - 12.4 mi

Top 19%
Γ—5
+106ft-86ft

Overall

5372

Males

4937

M45-49

4937

20K→HALF

12.4 - 13.1 mi

Top 19%
Γ—2
+19ft-37ft

Overall

5386

Males

4917

M45-49

4917

HALF→25K

13.1 - 15.5 mi

Top 16%
Γ—4
+66ft-88ft

Overall

4534

Males

4217

M45-49

4217

25K→30K

15.5 - 18.6 mi

Top 12%
Γ—9
+181ft-148ft

Overall

3510

Males

3297

M45-49

3297

30K→20M

18.6 - 20.0 mi

Top 10%
Γ—5
+64ft-50ft

Overall

3021

Males

2842

M45-49

2842

20M→21M

20.0 - 21.0 mi

Top 9%
Γ—8
+106ft-24ft

Overall

2555

Males

2405

M45-49

2405

21M→35K

21.0 - 21.8 mi

Top 11%
Γ—7
+17ft-86ft

Overall

3230

Males

3005

M45-49

3005

35K→23M

21.8 - 23.0 mi

Top 9%
Γ—5
+23ft-63ft

Overall

2679

Males

2505

M45-49

2505

23M→24M

23.0 - 24.0 mi

Top 11%
Γ—6
+12ft-82ft

Overall

3075

Males

2804

M45-49

2804

24M→40K

24.0 - 24.9 mi

Top 11%
Γ—1
+6ft-20ft

Overall

3185

Males

2877

M45-49

2877

40K→25.2M

24.9 - 25.2 mi

Top 9%
Γ—1
+13ft-16ft

Overall

2685

Males

2449

M45-49

2449

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
Γ—2
+22ft-21ft

Overall

3003

Males

2681

M45-49

2681

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1578*
Passed By
674
Net Change
+825
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#4590
5K β†’ 10K89200-177#4590#4767
10K β†’ 15K47200-166#4767#4933
15K β†’ 20K71148-77#4933#5010
20K β†’ HALF1529-14#5010#5024
HALF β†’ 25K14336+107#5024#4917
25K β†’ 30K315*4+311#4917#4606
30K β†’ 20M1812+179#4606#4427
20M β†’ 21M1442+142#4427#4285
21M β†’ 35K776+71#4285#4214
35K β†’ 23M16212+150#4214#4064
23M β†’ 24M1009+91#4064#3973
24M β†’ 40K7512+63#3973#3910
40K β†’ 25.2M401+39#3910#3871
25.2M β†’ FINISH11913+106#3871#3765
TOTALS1578*674+825

* 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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