Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Kwong Ming Leung

Bib: 21807MAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 49%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M65-69)
#0 / 774
Top 6%
Race Day Weather
51°/41°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
23:37
3.11 mi
Rank: #13643
Start5K
23:37 | 7:37/mi
10K
47:21
6.21 mi
Rank: #13909 (-266)
5K10K
23:44 | 7:39/mi
15K
1:11:24
9.32 mi
Rank: #14187 (-278)
10K15K
24:03 | 7:45/mi
20K
1:35:11
12.43 mi
Rank: #13941 (+246)
15K20K
23:47 | 7:40/mi
HALF
1:40:24
13.11 mi
Rank: #13947 (-6)
20KHALF
5:13 | 7:40/mi
25K
1:59:22
15.53 mi
Rank: #13931 (+16)
HALF25K
18:58 | 7:50/mi
30K
2:24:41
18.64 mi
Rank: #14024 (-93)
25K30K
25:19 | 8:09/mi
20M
2:35:45
20.00 mi
Rank: #13985 (+39)
30K20M
11:04 | 8:09/mi
21M
2:44:38
21.00 mi
Rank: #14063 (-78)
20M21M
8:53 | 8:53/mi
35K
2:50:32
21.75 mi
Rank: #14033 (+30)
21M35K
5:54 | 7:54/mi
23M
3:00:46
23.00 mi
Rank: #13989 (+44)
35K23M
10:14 | 8:11/mi
24M
3:08:49
24.00 mi
Rank: #13981 (+8)
23M24M
8:03 | 8:03/mi
40K
3:15:46
24.85 mi
Rank: #13958 (+23)
24M40K
6:57 | 8:08/mi
25.2M
3:19:06
25.20 mi
Rank: #14052 (-94)
40K25.2M
3:20 | 9:40/mi
FINISH
3:27:57
26.22 mi
Rank: #14312 (-260)
25.2MFINISH
8:51 | 8:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:47:33
Pace8:13 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4723:377:3723:37
7:37
-
10K
6.21 mi11:48:3147:217:3823:44
7:39
+0:02
15K
9.32 mi12:12:341:11:247:4024:03
7:45
+0:06
20K
12.43 mi12:36:211:35:117:4023:47
7:40
-0:05
HALF
13.11 mi12:41:341:40:247:405:13
7:40
0:00
25K
15.53 mi13:00:321:59:227:4218:58
7:50
+0:10
30K
18.64 mi13:25:512:24:417:4625:19
8:09
+0:19
20M
20.00 mi13:36:552:35:457:4811:04
8:09
0:00
21M
21.00 mi13:45:482:44:387:518:53
8:53
+0:44
35K
21.75 mi13:51:422:50:327:515:54
7:54
-0:59
23M
23.00 mi14:01:563:00:467:5210:14
8:11
+0:17
24M
24.00 mi14:09:593:08:497:538:03
8:03
-0:08
40K
24.85 mi14:16:563:15:467:536:57
8:08
+0:05
25.2M
25.20 mi14:20:163:19:067:553:20
9:40
+1:32
FINISH
26.22 mi14:29:073:27:577:578:51
8:42
-0:58

Checkpoint Splits Visualizations

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

📈Pace 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

7:37 /mi

Average Pace

7:56 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

1:40:24

48% of race

Time at Steady Pace

1:26:29

42% of race

Time at Slower Pace

21:04

10% of race

Average Pace: 7:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:24:4723:377:3723:37
7:37
#13643
10K
6.21 mi11:48:3147:217:3823:44
7:39
#13909
15K
9.32 mi12:12:341:11:247:4024:03
7:45
#14187
20K
12.43 mi12:36:211:35:117:4023:47
7:40
#13941
HALF
13.11 mi12:41:341:40:247:405:13
7:40
#13947
25K
15.53 mi13:00:321:59:227:4218:58
7:50
#13931
30K
18.64 mi13:25:512:24:417:4625:19
8:09
#14024
20M
20.00 mi13:36:552:35:457:4811:04
8:09
#13985
21M
21.00 mi13:45:482:44:387:518:53
8:53
#14063
35K
21.75 mi13:51:422:50:327:515:54
7:54
#14033
23M
23.00 mi14:01:563:00:467:5210:14
8:11
#13989
24M
24.00 mi14:09:593:08:497:538:03
8:03
#13981
40K
24.85 mi14:16:563:15:467:536:57
8:08
#13958
25.2M
25.20 mi14:20:163:19:067:553:20
9:40
#14052
FINISH
26.22 mi14:29:073:27:577:578:51
8:42
#14312
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi136439723972314846(Top 51%)10136(Top 62%)10136(Top 1310%)
10K6.21 mi3.10 mi13909-2669818-959818-9514210(Top 49%)9910(Top 61%)9910(Top 1280%)
15K9.32 mi3.11 mi14187-2789891-739891-7314846(Top 51%)10136(Top 62%)10136(Top 1310%)
20K12.43 mi3.11 mi13941+2469780+1119780+11113309(Top 46%)9432(Top 58%)9432(Top 1219%)
HALF13.11 mi0.68 mi13947-69774+69774+614270(Top 49%)9900(Top 61%)9900(Top 1279%)
25K15.53 mi2.42 mi13931+169758+169758+1613989(Top 48%)9653(Top 59%)9653(Top 1247%)
30K18.64 mi3.11 mi14024-939757+19757+114557(Top 50%)9791(Top 60%)9791(Top 1265%)
20M20.00 mi1.36 mi13985+399709+489709+4813843(Top 48%)9378(Top 57%)9378(Top 1212%)
21M21.00 mi1.00 mi14063-789714-59714-515437(Top 53%)9999(Top 61%)9999(Top 1292%)
35K21.75 mi0.75 mi14033+309687+279687+2713677(Top 47%)9179(Top 56%)9179(Top 1186%)
23M23.00 mi1.25 mi13989+449641+469641+4613617(Top 47%)9067(Top 55%)9067(Top 1171%)
24M24.00 mi1.00 mi13981+89619+229619+2214090(Top 49%)9187(Top 56%)9187(Top 1187%)
40K24.85 mi0.85 mi13958+239583+369583+3613305(Top 46%)8761(Top 54%)8761(Top 1132%)
25.2M25.20 mi0.35 mi14052-949606-239606-2318019(Top 62%)10890(Top 67%)10890(Top 1407%)
FINISH26.22 mi1.02 mi14312-2609695-899695-8919056(Top 66%)11387(Top 70%)11387(Top 1471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14846

Males

10136

M65-69

10136

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14210

Males

9910

M65-69

9910

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14846

Males

10136

M65-69

10136

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13309

Males

9432

M65-69

9432

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14270

Males

9900

M65-69

9900

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13989

Males

9653

M65-69

9653

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14557

Males

9791

M65-69

9791

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13843

Males

9378

M65-69

9378

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15437

Males

9999

M65-69

9999

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13677

Males

9179

M65-69

9179

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13617

Males

9067

M65-69

9067

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14090

Males

9187

M65-69

9187

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13305

Males

8761

M65-69

8761

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

18019

Males

10890

M65-69

10890

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19056

Males

11387

M65-69

11387

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1493*
Passed By
1573
Net Change
-669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13643
5K10K188200-266#13643#13909
10K15K128200-278#13909#14187
15K20K305*59+246#14187#13941
20KHALF2834-6#13941#13947
HALF25K141125+16#13947#13931
25K30K159200-93#13931#14024
30K20M12182+39#14024#13985
20M21M72150-78#13985#14063
21M35K6535+30#14063#14033
35K23M11672+44#14033#13989
23M24M6254+8#13989#13981
24M40K8461+23#13981#13958
40K25.2M7101-94#13958#14052
25.2MFINISH17200-260#14052#14312
TOTALS1493*1573-669

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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