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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Dongsheng Xu

Bib: 8640 β€’M β€’Age: 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 (M40-44)
#0 / 2198
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Dongsheng

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 Β· 6:28/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· 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
20:06
3.11 mi
Rank: #3976
Start β†’ 5K
20:06 | 6:29/mi
10K
41:22
6.21 mi
Rank: #5483 (-1507)
5K β†’ 10K
21:16 | 6:51/mi
15K
1:02:24
9.32 mi
Rank: #5791 (-308)
10K β†’ 15K
21:02 | 6:47/mi
20K
1:25:16
12.43 mi
Rank: #7247 (-1456)
15K β†’ 20K
22:52 | 7:22/mi
HALF
1:30:24
13.11 mi
Rank: #7570 (-323)
20K β†’ HALF
5:08 | 7:32/mi
25K
1:49:33
15.53 mi
Rank: #8547 (-977)
HALF β†’ 25K
19:09 | 7:54/mi
30K
2:18:06
18.64 mi
Rank: #11079 (-2532)
25K β†’ 30K
28:33 | 9:12/mi
20M
2:29:42
20.00 mi
Rank: #11529 (-450)
30K β†’ 20M
11:36 | 8:33/mi
21M
2:40:23
21.00 mi
Rank: #12447 (-918)
20M β†’ 21M
10:41 | 10:41/mi
35K
2:46:56
21.75 mi
Rank: #12729 (-282)
21M β†’ 35K
6:33 | 8:46/mi
23M
2:58:36
23.00 mi
Rank: #13239 (-510)
35K β†’ 23M
11:40 | 9:20/mi
24M
3:07:31
24.00 mi
Rank: #13549 (-310)
23M β†’ 24M
8:55 | 8:55/mi
40K
3:15:07
24.85 mi
Rank: #13752 (-203)
24M β†’ 40K
7:36 | 8:54/mi
25.2M
3:18:15
25.20 mi
Rank: #13769 (-17)
40K β†’ 25.2M
3:08 | 9:06/mi
FINISH
3:27:19
26.22 mi
Rank: #14108 (-339)
25.2M β†’ FINISH
9:04 | 8:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:24
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:56:55
Pace8:56 /mi
πŸ“ŠPositive Split: 29.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:3020:066:2920:06
6:29
-
10K
6.21 mi10:56:4641:226:4021:16
6:51
+0:22
15K
9.32 mi11:17:481:02:246:4221:02
6:47
-0:04
20K
12.43 mi11:40:401:25:166:5222:52
7:22
+0:35
HALF
13.11 mi11:45:481:30:246:545:08
7:32
+0:10
25K
15.53 mi12:04:571:49:337:0419:09
7:54
+0:22
30K
18.64 mi12:33:302:18:067:2528:33
9:12
+1:18
20M
20.00 mi12:45:062:29:427:3011:36
8:33
-0:39
21M
21.00 mi12:55:472:40:237:3910:41
10:41
+2:08
35K
21.75 mi13:02:202:46:567:416:33
8:46
-1:55
23M
23.00 mi13:14:002:58:367:4611:40
9:20
+0:34
24M
24.00 mi13:22:553:07:317:498:55
8:55
-0:25
40K
24.85 mi13:30:313:15:077:527:36
8:54
-0:01
25.2M
25.20 mi13:33:393:18:157:533:08
9:06
+0:12
FINISH
26.22 mi13:42:433:27:197:559:04
8:54
-0:12

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

6:29 /mi

Average Pace

7:55 /mi

Slowest Pace

10:41 /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

1:49:33

53% of race

Time at Steady Pace

1:15:25

36% of race

Time at Slower Pace

22:21

11% of race

Average Pace: 7:54 /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 mi10:35:3020:066:2920:06
6:29
#3976
10K
6.21 mi10:56:4641:226:4021:16
6:51
#5483
15K
9.32 mi11:17:481:02:246:4221:02
6:47
#5791
20K
12.43 mi11:40:401:25:166:5222:52
7:22
#7247
HALF
13.11 mi11:45:481:30:246:545:08
7:32
#7570
25K
15.53 mi12:04:571:49:337:0419:09
7:54
#8547
30K
18.64 mi12:33:302:18:067:2528:33
9:12
#11079
20M
20.00 mi12:45:062:29:427:3011:36
8:33
#11529
21M
21.00 mi12:55:472:40:237:3910:41
10:41
#12447
35K
21.75 mi13:02:202:46:567:416:33
8:46
#12729
23M
23.00 mi13:14:002:58:367:4611:40
9:20
#13239
24M
24.00 mi13:22:553:07:317:498:55
8:55
#13549
40K
24.85 mi13:30:313:15:077:527:36
8:54
#13752
25.2M
25.20 mi13:33:393:18:157:533:08
9:06
#13769
FINISH
26.22 mi13:42:433:27:197:559:04
8:54
#14108
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3976378037806543(Top 23%)5849(Top 36%)5849(Top 266%)
10K6.21 mi3.10 mi5483-15075080-13005080-13007435(Top 26%)6508(Top 40%)6508(Top 296%)
15K9.32 mi3.11 mi5791-3085317-2375317-2376543(Top 23%)5849(Top 36%)5849(Top 266%)
20K12.43 mi3.11 mi7247-14566359-10426359-104210743(Top 37%)8281(Top 51%)8281(Top 377%)
HALF13.11 mi0.68 mi7570-3236594-2356594-23513239(Top 46%)9484(Top 58%)9484(Top 431%)
25K15.53 mi2.42 mi8547-9777194-6007194-60014565(Top 50%)9892(Top 61%)9892(Top 450%)
30K18.64 mi3.11 mi11079-25328453-12598453-125920458(Top 70%)12399(Top 76%)12399(Top 564%)
20M20.00 mi1.36 mi11529-4508647-1948647-19416413(Top 57%)10476(Top 64%)10476(Top 477%)
21M21.00 mi1.00 mi12447-9189010-3639010-36322372(Top 77%)13198(Top 81%)13198(Top 600%)
35K21.75 mi0.75 mi12729-2829115-1059115-10518847(Top 65%)11431(Top 70%)11431(Top 520%)
23M23.00 mi1.25 mi13239-5109329-2149329-21419891(Top 69%)11883(Top 73%)11883(Top 541%)
24M24.00 mi1.00 mi13549-3109428-999428-9919062(Top 66%)11438(Top 70%)11438(Top 520%)
40K24.85 mi0.85 mi13752-2039502-749502-7417812(Top 61%)10795(Top 66%)10795(Top 491%)
25.2M25.20 mi0.35 mi13769-179500+29500+215136(Top 52%)9551(Top 58%)9551(Top 435%)
FINISH26.22 mi1.02 mi14108-3399610-1109610-11020041(Top 69%)11858(Top 73%)11858(Top 539%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
Γ—21
+97ft-345ft

Overall

6543

Males

5849

M40-44

5849

5K→10K

3.1 - 6.2 mi

Top 26%
Γ—5
+79ft-138ft

Overall

7435

Males

6508

M40-44

6508

10K→15K

6.2 - 9.3 mi

Top 23%
Γ—3
+67ft-78ft

Overall

6543

Males

5849

M40-44

5849

15K→20K

9.3 - 12.4 mi

Top 37%
Γ—5
+106ft-86ft

Overall

10743

Males

8281

M40-44

8281

20K→HALF

12.4 - 13.1 mi

Top 46%
Γ—2
+19ft-37ft

Overall

13239

Males

9484

M40-44

9484

HALF→25K

13.1 - 15.5 mi

Top 50%
Γ—4
+66ft-88ft

Overall

14565

Males

9892

M40-44

9892

25K→30K

15.5 - 18.6 mi

Top 70%
Γ—9
+181ft-148ft

Overall

20458

Males

12399

M40-44

12399

30K→20M

18.6 - 20.0 mi

Top 57%
Γ—5
+64ft-50ft

Overall

16413

Males

10476

M40-44

10476

20M→21M

20.0 - 21.0 mi

Top 77%
Γ—8
+106ft-24ft

Overall

22372

Males

13198

M40-44

13198

21M→35K

21.0 - 21.8 mi

Top 65%
Γ—7
+17ft-86ft

Overall

18847

Males

11431

M40-44

11431

35K→23M

21.8 - 23.0 mi

Top 69%
Γ—5
+23ft-63ft

Overall

19891

Males

11883

M40-44

11883

23M→24M

23.0 - 24.0 mi

Top 66%
Γ—6
+12ft-82ft

Overall

19062

Males

11438

M40-44

11438

24M→40K

24.0 - 24.9 mi

Top 61%
Γ—1
+6ft-20ft

Overall

17812

Males

10795

M40-44

10795

40K→25.2M

24.9 - 25.2 mi

Top 52%
Γ—1
+13ft-16ft

Overall

15136

Males

9551

M40-44

9551

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
Γ—2
+22ft-21ft

Overall

20041

Males

11858

M40-44

11858

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
244
Passed By
2643
Net Change
-10132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3976
5K β†’ 10K3200-1507#3976#5483
10K β†’ 15K49200-308#5483#5791
15K β†’ 20K19200-1456#5791#7247
20K β†’ HALF3200-323#7247#7570
HALF β†’ 25K16200-977#7570#8547
25K β†’ 30K7200-2532#8547#11079
30K β†’ 20M21200-450#11079#11529
20M β†’ 21M8200-918#11529#12447
21M β†’ 35K16200-282#12447#12729
35K β†’ 23M18200-510#12729#13239
23M β†’ 24M25200-310#13239#13549
24M β†’ 40K19200-203#13549#13752
40K β†’ 25.2M2643-17#13752#13769
25.2M β†’ FINISH14200-339#13769#14108
TOTALS2442643-10132
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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Activity Data

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