Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Lon Chang

Bib: 19052MAge: N/A

NC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 45%
Age Group (M55-59)
#0 / 1491
Top 33%
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
24:12
3.11 mi
Rank: #15300
Start5K
24:12 | 7:48/mi
10K
47:46
6.21 mi
Rank: #14489 (+811)
5K10K
23:34 | 7:36/mi
15K
1:11:26
9.32 mi
Rank: #14215 (+274)
10K15K
23:40 | 7:38/mi
20K
1:35:08
12.43 mi
Rank: #13897 (+318)
15K20K
23:42 | 7:38/mi
HALF
1:40:13
13.11 mi
Rank: #13823 (+74)
20KHALF
5:05 | 7:28/mi
25K
1:58:36
15.53 mi
Rank: #13524 (+299)
HALF25K
18:23 | 7:35/mi
30K
2:22:50
18.64 mi
Rank: #13217 (+307)
25K30K
24:14 | 7:48/mi
20M
2:33:23
20.00 mi
Rank: #13027 (+190)
30K20M
10:33 | 7:47/mi
21M
2:41:35
21.00 mi
Rank: #12901 (+126)
20M21M
8:12 | 8:12/mi
35K
2:47:32
21.75 mi
Rank: #12947 (-46)
21M35K
5:57 | 7:58/mi
23M
2:57:12
23.00 mi
Rank: #12773 (+174)
35K23M
9:40 | 7:44/mi
24M
3:04:44
24.00 mi
Rank: #12652 (+121)
23M24M
7:32 | 7:32/mi
40K
3:11:16
24.85 mi
Rank: #12527 (+125)
24M40K
6:32 | 7:39/mi
25.2M
3:14:07
25.20 mi
Rank: #12471 (+56)
40K25.2M
2:51 | 8:16/mi
FINISH
3:21:47
26.22 mi
Rank: #12406 (+65)
25.2MFINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:5024:127:4824:12
7:48
-
10K
6.21 mi11:32:2447:467:4223:34
7:36
-0:12
15K
9.32 mi11:56:041:11:267:4023:40
7:38
+0:02
20K
12.43 mi12:19:461:35:087:4023:42
7:38
0:00
HALF
13.11 mi12:24:511:40:137:395:05
7:28
-0:10
25K
15.53 mi12:43:141:58:367:3918:23
7:35
+0:07
30K
18.64 mi13:07:282:22:507:4024:14
7:48
+0:13
20M
20.00 mi13:18:012:33:237:4110:33
7:47
-0:01
21M
21.00 mi13:26:132:41:357:428:12
8:12
+0:25
35K
21.75 mi13:32:102:47:327:435:57
7:58
-0:14
23M
23.00 mi13:41:502:57:127:439:40
7:44
-0:14
24M
24.00 mi13:49:223:04:447:427:32
7:32
-0:12
40K
24.85 mi13:55:543:11:167:426:32
7:39
+0:07
25.2M
25.20 mi13:58:453:14:077:432:51
8:16
+0:37
FINISH
26.22 mi14:06:253:21:477:437:40
7:32
-0:44

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

7:28 /mi

Average Pace

7:42 /mi

Slowest Pace

8:16 /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

3:18:56

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi11:08:5024:127:4824:12
7:48
#15300
10K
6.21 mi11:32:2447:467:4223:34
7:36
#14489
15K
9.32 mi11:56:041:11:267:4023:40
7:38
#14215
20K
12.43 mi12:19:461:35:087:4023:42
7:38
#13897
HALF
13.11 mi12:24:511:40:137:395:05
7:28
#13823
25K
15.53 mi12:43:141:58:367:3918:23
7:35
#13524
30K
18.64 mi13:07:282:22:507:4024:14
7:48
#13217
20M
20.00 mi13:18:012:33:237:4110:33
7:47
#13027
21M
21.00 mi13:26:132:41:357:428:12
8:12
#12901
35K
21.75 mi13:32:102:47:327:435:57
7:58
#12947
23M
23.00 mi13:41:502:57:127:439:40
7:44
#12773
24M
24.00 mi13:49:223:04:447:427:32
7:32
#12652
40K
24.85 mi13:55:543:11:167:426:32
7:39
#12527
25.2M
25.20 mi13:58:453:14:077:432:51
8:16
#12471
FINISH
26.22 mi14:06:253:21:477:437:40
7:32
#12406
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 mi15300103621036213812(Top 48%)9709(Top 59%)9709(Top 651%)
10K6.21 mi3.10 mi14489+81110042+32010042+32013719(Top 47%)9709(Top 59%)9709(Top 651%)
15K9.32 mi3.11 mi14215+2749903+1399903+13913812(Top 48%)9709(Top 59%)9709(Top 651%)
20K12.43 mi3.11 mi13897+3189756+1479756+14713070(Top 45%)9315(Top 57%)9315(Top 625%)
HALF13.11 mi0.68 mi13823+749725+319725+3112593(Top 43%)9187(Top 56%)9187(Top 616%)
25K15.53 mi2.42 mi13524+2999580+1459580+14512092(Top 42%)8828(Top 54%)8828(Top 592%)
30K18.64 mi3.11 mi13217+3079399+1819399+18111977(Top 41%)8645(Top 53%)8645(Top 580%)
20M20.00 mi1.36 mi13027+1909284+1159284+11511080(Top 38%)8122(Top 50%)8122(Top 545%)
21M21.00 mi1.00 mi12901+1269201+839201+8311173(Top 38%)8066(Top 49%)8066(Top 541%)
35K21.75 mi0.75 mi12947-469218-179218-1714104(Top 49%)9352(Top 57%)9352(Top 627%)
23M23.00 mi1.25 mi12773+1749129+899129+8910449(Top 36%)7587(Top 46%)7587(Top 509%)
24M24.00 mi1.00 mi12652+1219055+749055+7410325(Top 36%)7469(Top 46%)7469(Top 501%)
40K24.85 mi0.85 mi12527+1258978+778978+779891(Top 34%)7163(Top 44%)7163(Top 480%)
25.2M25.20 mi0.35 mi12471+568938+408938+4010004(Top 34%)7154(Top 44%)7154(Top 480%)
FINISH26.22 mi1.02 mi12406+658883+558883+5511580(Top 40%)7899(Top 48%)7899(Top 530%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13812

Males

9709

M55-59

9709

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13719

Males

9709

M55-59

9709

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13812

Males

9709

M55-59

9709

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13070

Males

9315

M55-59

9315

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12593

Males

9187

M55-59

9187

HALF→25K

13.1 - 15.5 mi

Top 42%
×4
+66ft-88ft

Overall

12092

Males

8828

M55-59

8828

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

11977

Males

8645

M55-59

8645

30K→20M

18.6 - 20.0 mi

Top 38%
×5
+64ft-50ft

Overall

11080

Males

8122

M55-59

8122

20M→21M

20.0 - 21.0 mi

Top 38%
×8
+106ft-24ft

Overall

11173

Males

8066

M55-59

8066

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14104

Males

9352

M55-59

9352

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10449

Males

7587

M55-59

7587

23M→24M

23.0 - 24.0 mi

Top 36%
×6
+12ft-82ft

Overall

10325

Males

7469

M55-59

7469

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9891

Males

7163

M55-59

7163

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1
+13ft-16ft

Overall

10004

Males

7154

M55-59

7154

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11580

Males

7899

M55-59

7899

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3355*
Passed By
461
Net Change
+2894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15300
5K10K873*62+811#15300#14489
10K15K353*79+274#14489#14215
15K20K359*41+318#14215#13897
20KHALF817+74#13897#13823
HALF25K310*11+299#13823#13524
25K30K350*43+307#13524#13217
30K20M212*22+190#13217#13027
20M21M15024+126#13027#12901
21M35K3581-46#12901#12947
35K23M18915+174#12947#12773
23M24M14221+121#12773#12652
24M40K14015+125#12652#12527
40K25.2M593+56#12527#12471
25.2MFINISH10237+65#12471#12406
TOTALS3355*461+2894

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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