Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Piotr Krzyzanowski

Bib: 4229 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 5%
Gender (Male)
#0 / 16340
Top 9%
Age Group (M18-39)
#0 / 5723
Top 23%
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
19:21
3.11 mi
Rank: #2241
Start β†’ 5K
19:21 | 6:14/mi
10K
38:28
6.21 mi
Rank: #2138 (+103)
5K β†’ 10K
19:07 | 6:10/mi
15K
57:35
9.32 mi
Rank: #2100 (+38)
10K β†’ 15K
19:07 | 6:10/mi
20K
1:16:48
12.43 mi
Rank: #2062 (+38)
15K β†’ 20K
19:13 | 6:12/mi
HALF
1:21:01
13.11 mi
Rank: #2081 (-19)
20K β†’ HALF
4:13 | 6:12/mi
25K
1:36:01
15.53 mi
Rank: #2001 (+80)
HALF β†’ 25K
15:00 | 6:12/mi
30K
1:55:35
18.64 mi
Rank: #1900 (+101)
25K β†’ 30K
19:34 | 6:18/mi
20M
2:04:06
20.00 mi
Rank: #1822 (+78)
30K β†’ 20M
8:31 | 6:17/mi
21M
2:10:42
21.00 mi
Rank: #1788 (+34)
20M β†’ 21M
6:36 | 6:36/mi
35K
2:15:19
21.75 mi
Rank: #1780 (+8)
21M β†’ 35K
4:37 | 6:11/mi
23M
2:23:06
23.00 mi
Rank: #1721 (+59)
35K β†’ 23M
7:47 | 6:14/mi
24M
2:29:06
24.00 mi
Rank: #1648 (+73)
23M β†’ 24M
6:00 | 6:00/mi
40K
2:34:25
24.85 mi
Rank: #1618 (+30)
24M β†’ 40K
5:19 | 6:14/mi
25.2M
2:36:44
25.20 mi
Rank: #1604 (+14)
40K β†’ 25.2M
2:19 | 6:44/mi
FINISH
2:42:42
26.22 mi
Rank: #1559 (+45)
25.2M β†’ FINISH
5:58 | 5:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:21:01
Pace6:11 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:21:41
Pace6:14 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2519:216:1419:21
6:14
-
10K
6.21 mi10:40:3238:286:1219:07
6:10
-0:04
15K
9.32 mi10:59:3957:356:1119:07
6:10
0:00
20K
12.43 mi11:18:521:16:486:1119:13
6:12
+0:02
HALF
13.11 mi11:23:051:21:016:114:13
6:12
0:00
25K
15.53 mi11:38:051:36:016:1115:00
6:12
0:00
30K
18.64 mi11:57:391:55:356:1319:34
6:18
+0:06
20M
20.00 mi12:06:102:04:066:138:31
6:17
-0:01
21M
21.00 mi12:12:462:10:426:146:36
6:36
+0:19
35K
21.75 mi12:17:232:15:196:144:37
6:11
-0:25
23M
23.00 mi12:25:102:23:066:147:47
6:14
+0:03
24M
24.00 mi12:31:102:29:066:136:00
6:00
-0:14
40K
24.85 mi12:36:292:34:256:135:19
6:14
+0:14
25.2M
25.20 mi12:38:482:36:446:142:19
6:44
+0:30
FINISH
26.22 mi12:44:462:42:426:135:58
5:52
-0:52

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

5:52 /mi

Average Pace

6:13 /mi

Slowest Pace

6:44 /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

2:33:47

95% of race

Time at Steady Pace

8:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:21:2519:216:1419:21
6:14
#2241
10K
6.21 mi10:40:3238:286:1219:07
6:10
#2138
15K
9.32 mi10:59:3957:356:1119:07
6:10
#2100
20K
12.43 mi11:18:521:16:486:1119:13
6:12
#2062
HALF
13.11 mi11:23:051:21:016:114:13
6:12
#2081
25K
15.53 mi11:38:051:36:016:1115:00
6:12
#2001
30K
18.64 mi11:57:391:55:356:1319:34
6:18
#1900
20M
20.00 mi12:06:102:04:066:138:31
6:17
#1822
21M
21.00 mi12:12:462:10:426:146:36
6:36
#1788
35K
21.75 mi12:17:232:15:196:144:37
6:11
#1780
23M
23.00 mi12:25:102:23:066:147:47
6:14
#1721
24M
24.00 mi12:31:102:29:066:136:00
6:00
#1648
40K
24.85 mi12:36:292:34:256:135:19
6:14
#1618
25.2M
25.20 mi12:38:482:36:446:142:19
6:44
#1604
FINISH
26.22 mi12:44:462:42:426:135:58
5:52
#1559
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2241215921592052(Top 7%)1977(Top 12%)1977(Top 35%)
10K6.21 mi3.10 mi2138+1032063+962063+962037(Top 7%)1964(Top 12%)1964(Top 34%)
15K9.32 mi3.11 mi2100+382024+392024+392052(Top 7%)1977(Top 12%)1977(Top 35%)
20K12.43 mi3.11 mi2062+381989+351989+351935(Top 7%)1866(Top 11%)1866(Top 33%)
HALF13.11 mi0.68 mi2081-192008-192008-192323(Top 8%)2234(Top 14%)2234(Top 39%)
25K15.53 mi2.42 mi2001+801929+791929+791770(Top 6%)1704(Top 10%)1704(Top 30%)
30K18.64 mi3.11 mi1900+1011831+981831+981625(Top 6%)1561(Top 10%)1561(Top 27%)
20M20.00 mi1.36 mi1822+781755+761755+761424(Top 5%)1366(Top 8%)1366(Top 24%)
21M21.00 mi1.00 mi1788+341723+321723+321603(Top 6%)1535(Top 9%)1535(Top 27%)
35K21.75 mi0.75 mi1780+81716+71716+71848(Top 6%)1763(Top 11%)1763(Top 31%)
23M23.00 mi1.25 mi1721+591657+591657+591265(Top 4%)1216(Top 7%)1216(Top 21%)
24M24.00 mi1.00 mi1648+731590+671590+671070(Top 4%)1022(Top 6%)1022(Top 18%)
40K24.85 mi0.85 mi1618+301560+301560+301416(Top 5%)1338(Top 8%)1338(Top 23%)
25.2M25.20 mi0.35 mi1604+141546+141546+141549(Top 5%)1455(Top 9%)1455(Top 25%)
FINISH26.22 mi1.02 mi1559+451500+461500+461148(Top 4%)1090(Top 7%)1090(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
Γ—21
+97ft-345ft

Overall

2052

Males

1977

M18-39

1977

5K→10K

3.1 - 6.2 mi

Top 7%
Γ—5
+79ft-138ft

Overall

2037

Males

1964

M18-39

1964

10K→15K

6.2 - 9.3 mi

Top 7%
Γ—3
+67ft-78ft

Overall

2052

Males

1977

M18-39

1977

15K→20K

9.3 - 12.4 mi

Top 7%
Γ—5
+106ft-86ft

Overall

1935

Males

1866

M18-39

1866

20K→HALF

12.4 - 13.1 mi

Top 8%
Γ—2
+19ft-37ft

Overall

2323

Males

2234

M18-39

2234

HALF→25K

13.1 - 15.5 mi

Top 6%
Γ—4
+66ft-88ft

Overall

1770

Males

1704

M18-39

1704

25K→30K

15.5 - 18.6 mi

Top 6%
Γ—9
+181ft-148ft

Overall

1625

Males

1561

M18-39

1561

30K→20M

18.6 - 20.0 mi

Top 5%
Γ—5
+64ft-50ft

Overall

1424

Males

1366

M18-39

1366

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1603

Males

1535

M18-39

1535

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1848

Males

1763

M18-39

1763

35K→23M

21.8 - 23.0 mi

Top 4%
Γ—5
+23ft-63ft

Overall

1265

Males

1216

M18-39

1216

23M→24M

23.0 - 24.0 mi

Top 4%
Γ—6
+12ft-82ft

Overall

1070

Males

1022

M18-39

1022

24M→40K

24.0 - 24.9 mi

Top 5%
Γ—1
+6ft-20ft

Overall

1416

Males

1338

M18-39

1338

40K→25.2M

24.9 - 25.2 mi

Top 5%
Γ—1
+13ft-16ft

Overall

1549

Males

1455

M18-39

1455

25.2M→FINISH

25.2 - 26.2 mi

Top 4%
Γ—2
+22ft-21ft

Overall

1148

Males

1090

M18-39

1090

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
917
Passed By
235
Net Change
+682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2241
5K β†’ 10K16259+103#2241#2138
10K β†’ 15K8345+38#2138#2100
15K β†’ 20K6628+38#2100#2062
20K β†’ HALF423-19#2062#2081
HALF β†’ 25K888+80#2081#2001
25K β†’ 30K11716+101#2001#1900
30K β†’ 20M879+78#1900#1822
20M β†’ 21M4814+34#1822#1788
21M β†’ 35K2012+8#1788#1780
35K β†’ 23M667+59#1780#1721
23M β†’ 24M763+73#1721#1648
24M β†’ 40K366+30#1648#1618
40K β†’ 25.2M173+14#1618#1604
25.2M β†’ FINISH472+45#1604#1559
TOTALS917235+682
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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