Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Li Sun

Bib: 18829MAge: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 50%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
Top 47%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Li

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:30/mi at mile 21.7

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
24:39
3.11 mi
Rank: #16423
Start5K
24:39 | 7:57/mi
10K
49:12
6.21 mi
Rank: #16436 (-13)
5K10K
24:33 | 7:55/mi
15K
1:13:34
9.32 mi
Rank: #16194 (+242)
10K15K
24:22 | 7:51/mi
20K
1:37:59
12.43 mi
Rank: #15864 (+330)
15K20K
24:25 | 7:52/mi
HALF
1:43:12
13.11 mi
Rank: #15780 (+84)
20KHALF
5:13 | 7:40/mi
25K
2:02:12
15.53 mi
Rank: #15484 (+296)
HALF25K
19:00 | 7:51/mi
30K
2:26:50
18.64 mi
Rank: #14986 (+498)
25K30K
24:38 | 7:56/mi
20M
2:37:41
20.00 mi
Rank: #14802 (+184)
30K20M
10:51 | 8:00/mi
21M
2:46:00
21.00 mi
Rank: #14593 (+209)
20M21M
8:19 | 8:19/mi
35K
2:51:37
21.75 mi
Rank: #14431 (+162)
21M35K
5:37 | 7:31/mi
23M
3:01:57
23.00 mi
Rank: #14392 (+39)
35K23M
10:20 | 8:16/mi
24M
3:10:06
24.00 mi
Rank: #14415 (-23)
23M24M
8:09 | 8:09/mi
40K
3:17:32
24.85 mi
Rank: #14529 (-114)
24M40K
7:26 | 8:42/mi
25.2M
3:20:25
25.20 mi
Rank: #14465 (+64)
40K25.2M
2:53 | 8:22/mi
FINISH
3:28:24
26.22 mi
Rank: #14458 (+7)
25.2MFINISH
7:59 | 7:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:12
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:45:12
Pace8:02 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:5724:397:5724:39
7:57
-
10K
6.21 mi11:33:3049:127:5624:33
7:55
-0:02
15K
9.32 mi11:57:521:13:347:5424:22
7:51
-0:04
20K
12.43 mi12:22:171:37:597:5424:25
7:52
+0:01
HALF
13.11 mi12:27:301:43:127:535:13
7:40
-0:12
25K
15.53 mi12:46:302:02:127:5219:00
7:51
+0:11
30K
18.64 mi13:11:082:26:507:5324:38
7:56
+0:05
20M
20.00 mi13:21:592:37:417:5410:51
8:00
+0:04
21M
21.00 mi13:30:182:46:007:558:19
8:19
+0:19
35K
21.75 mi13:35:552:51:377:545:37
7:31
-0:48
23M
23.00 mi13:46:153:01:577:5510:20
8:16
+0:45
24M
24.00 mi13:54:243:10:067:568:09
8:09
-0:07
40K
24.85 mi14:01:503:17:327:577:26
8:42
+0:33
25.2M
25.20 mi14:04:433:20:257:582:53
8:22
-0:20
FINISH
26.22 mi14:12:423:28:247:587:59
7:51
-0:31

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

7:31 /mi

Average Pace

7:57 /mi

Slowest Pace

8:42 /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

3:09:46

91% of race

Time at Steady Pace

18:38

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:08:5724:397:5724:39
7:57
#16423
10K
6.21 mi11:33:3049:127:5624:33
7:55
#16436
15K
9.32 mi11:57:521:13:347:5424:22
7:51
#16194
20K
12.43 mi12:22:171:37:597:5424:25
7:52
#15864
HALF
13.11 mi12:27:301:43:127:535:13
7:40
#15780
25K
15.53 mi12:46:302:02:127:5219:00
7:51
#15484
30K
18.64 mi13:11:082:26:507:5324:38
7:56
#14986
20M
20.00 mi13:21:592:37:417:5410:51
8:00
#14802
21M
21.00 mi13:30:182:46:007:558:19
8:19
#14593
35K
21.75 mi13:35:552:51:377:545:37
7:31
#14431
23M
23.00 mi13:46:153:01:577:5510:20
8:16
#14392
24M
24.00 mi13:54:243:10:067:568:09
8:09
#14415
40K
24.85 mi14:01:503:17:327:577:26
8:42
#14529
25.2M
25.20 mi14:04:433:20:257:582:53
8:22
#14465
FINISH
26.22 mi14:12:423:28:247:587:59
7:51
#14458
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 mi16423107761077615686(Top 54%)10458(Top 64%)10458(Top 701%)
10K6.21 mi3.10 mi16436-1310774+210774+216463(Top 57%)10794(Top 66%)10794(Top 724%)
15K9.32 mi3.11 mi16194+24210671+10310671+10315686(Top 54%)10458(Top 64%)10458(Top 701%)
20K12.43 mi3.11 mi15864+33010529+14210529+14214976(Top 52%)10128(Top 62%)10128(Top 679%)
HALF13.11 mi0.68 mi15780+8410493+3610493+3614276(Top 49%)9906(Top 61%)9906(Top 664%)
25K15.53 mi2.42 mi15484+29610356+13710356+13714100(Top 49%)9697(Top 59%)9697(Top 650%)
30K18.64 mi3.11 mi14986+49810139+21710139+21712968(Top 45%)9102(Top 56%)9102(Top 610%)
20M20.00 mi1.36 mi14802+18410031+10810031+10812737(Top 44%)8904(Top 54%)8904(Top 597%)
21M21.00 mi1.00 mi14593+2099933+989933+9811966(Top 41%)8424(Top 52%)8424(Top 565%)
35K21.75 mi0.75 mi14431+1629860+739860+7310925(Top 38%)7948(Top 49%)7948(Top 533%)
23M23.00 mi1.25 mi14392+399808+529808+5214155(Top 49%)9321(Top 57%)9321(Top 625%)
24M24.00 mi1.00 mi14415-239788+209788+2014727(Top 51%)9486(Top 58%)9486(Top 636%)
40K24.85 mi0.85 mi14529-1149815-279815-2716790(Top 58%)10317(Top 63%)10317(Top 692%)
25.2M25.20 mi0.35 mi14465+649783+329783+3210696(Top 37%)7503(Top 46%)7503(Top 503%)
FINISH26.22 mi1.02 mi14458+79762+219762+2114001(Top 48%)9040(Top 55%)9040(Top 606%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15686

Males

10458

M55-59

10458

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16463

Males

10794

M55-59

10794

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15686

Males

10458

M55-59

10458

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

14976

Males

10128

M55-59

10128

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14276

Males

9906

M55-59

9906

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14100

Males

9697

M55-59

9697

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

12968

Males

9102

M55-59

9102

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12737

Males

8904

M55-59

8904

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11966

Males

8424

M55-59

8424

21M→35K

21.0 - 21.8 mi

Top 38%
×7
+17ft-86ft

Overall

10925

Males

7948

M55-59

7948

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14155

Males

9321

M55-59

9321

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14727

Males

9486

M55-59

9486

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16790

Males

10317

M55-59

10317

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10696

Males

7503

M55-59

7503

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

14001

Males

9040

M55-59

9040

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2798*
Passed By
820
Net Change
+1965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16423
5K10K200200-13#16423#16436
10K15K348*106+242#16436#16194
15K20K376*46+330#16194#15864
20KHALF9612+84#15864#15780
HALF25K314*18+296#15780#15484
25K30K514*16+498#15484#14986
30K20M205*21+184#14986#14802
20M21M218*9+209#14802#14593
21M35K1631+162#14593#14431
35K23M11475+39#14431#14392
23M24M6689-23#14392#14415
24M40K40154-114#14415#14529
40K25.2M695+64#14529#14465
25.2MFINISH7568+7#14465#14458
TOTALS2798*820+1965

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback