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BOSTON MARATHON 2026

Weiyong Mao

Bib: 29687•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
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
26:17
3.11 mi
Rank: #19851
Start → 5K
26:17 | 8:28/mi
10K
51:11
6.21 mi
Rank: #18625 (+1226)
5K → 10K
24:54 | 8:01/mi
15K
1:15:39
9.32 mi
Rank: #17864 (+761)
10K → 15K
24:28 | 7:53/mi
20K
1:43:22
12.43 mi
Rank: #18866 (-1002)
15K → 20K
27:43 | 8:56/mi
HALF
1:49:28
13.11 mi
Rank: #19089 (-223)
20K → HALF
6:06 | 8:57/mi
25K
2:17:34
15.53 mi
Rank: #21582 (-2493)
HALF → 25K
28:06 | 11:36/mi
30K
2:53:42
18.64 mi
Rank: #23060 (-1478)
25K → 30K
36:08 | 11:38/mi
20M
3:08:41
20.00 mi
Rank: #23235 (-175)
30K → 20M
14:59 | 11:02/mi
21M
3:23:19
21.00 mi
Rank: #23710 (-475)
20M → 21M
14:38 | 14:38/mi
35K
3:32:53
21.75 mi
Rank: #23961 (-251)
21M → 35K
9:34 | 12:48/mi
23M
3:46:23
23.00 mi
Rank: #23952 (+9)
35K → 23M
13:30 | 10:48/mi
24M
3:56:48
24.00 mi
Rank: #23949 (+3)
23M → 24M
10:25 | 10:25/mi
40K
4:04:54
24.85 mi
Rank: #23834 (+115)
24M → 40K
8:06 | 9:29/mi
25.2M
4:09:28
25.20 mi
Rank: #23897 (-63)
40K → 25.2M
4:34 | 13:15/mi
FINISH
4:20:21
26.22 mi
Rank: #23946 (-49)
25.2M → FINISH
10:53 | 10:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:28
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:30:53
Pace11:31 /mi
📊Positive Split: 37.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0026:178:2826:17
8:28
-
10K
6.21 mi12:15:5451:118:1524:54
8:01
-0:27
15K
9.32 mi12:40:221:15:398:0724:28
7:53
-0:08
20K
12.43 mi13:08:051:43:228:2027:43
8:56
+1:03
HALF
13.11 mi13:14:111:49:288:226:06
8:57
+0:01
25K
15.53 mi13:42:172:17:348:5228:06
11:36
+2:39
30K
18.64 mi14:18:252:53:429:2036:08
11:38
+0:02
20M
20.00 mi14:33:243:08:419:2714:59
11:02
-0:36
21M
21.00 mi14:48:023:23:199:4114:38
14:38
+3:36
35K
21.75 mi14:57:363:32:539:489:34
12:48
-1:50
23M
23.00 mi15:11:063:46:239:5113:30
10:48
-2:00
24M
24.00 mi15:21:313:56:489:5310:25
10:25
-0:23
40K
24.85 mi15:29:374:04:549:528:06
9:29
-0:56
25.2M
25.20 mi15:34:114:09:289:544:34
13:15
+3:46
FINISH
26.22 mi15:45:044:20:219:5710:53
10:41
-2:34

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

7:53 /mi

Average Pace

9:56 /mi

Slowest Pace

14:38 /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

1:57:34

45% of race

Time at Steady Pace

1:54:01

44% of race

Time at Slower Pace

28:46

11% of race

Average Pace: 9:56 /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 mi11:51:0026:178:2826:17
8:28
#19851
10K
6.21 mi12:15:5451:118:1524:54
8:01
#18625
15K
9.32 mi12:40:221:15:398:0724:28
7:53
#17864
20K
12.43 mi13:08:051:43:228:2027:43
8:56
#18866
HALF
13.11 mi13:14:111:49:288:226:06
8:57
#19089
25K
15.53 mi13:42:172:17:348:5228:06
11:36
#21582
30K
18.64 mi14:18:252:53:429:2036:08
11:38
#23060
20M
20.00 mi14:33:243:08:419:2714:59
11:02
#23235
21M
21.00 mi14:48:023:23:199:4114:38
14:38
#23710
35K
21.75 mi14:57:363:32:539:489:34
12:48
#23961
23M
23.00 mi15:11:063:46:239:5113:30
10:48
#23952
24M
24.00 mi15:21:313:56:489:5310:25
10:25
#23949
40K
24.85 mi15:29:374:04:549:528:06
9:29
#23834
25.2M
25.20 mi15:34:114:09:289:544:34
13:15
#23897
FINISH
26.22 mi15:45:044:20:219:5710:53
10:41
#23946
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 mi19851122241222415977(Top 55%)10587(Top 65%)10587(Top 482%)
10K6.21 mi3.10 mi18625+122611706+51811706+51817350(Top 60%)11157(Top 68%)11157(Top 508%)
15K9.32 mi3.11 mi17864+76111379+32711379+32715977(Top 55%)10587(Top 65%)10587(Top 482%)
20K12.43 mi3.11 mi18866-100211804-42511804-42521563(Top 74%)13038(Top 80%)13038(Top 593%)
HALF13.11 mi0.68 mi19089-22311899-9511899-9522515(Top 78%)13520(Top 83%)13520(Top 615%)
25K15.53 mi2.42 mi21582-249313034-113513034-113527113(Top 93%)15577(Top 95%)15577(Top 709%)
30K18.64 mi3.11 mi23060-147813725-69113725-69126297(Top 91%)15137(Top 93%)15137(Top 689%)
20M20.00 mi1.36 mi23235-17513789-6413789-6424975(Top 86%)14451(Top 88%)14451(Top 657%)
21M21.00 mi1.00 mi23710-47514036-24714036-24727820(Top 96%)15748(Top 96%)15748(Top 716%)
35K21.75 mi0.75 mi23961-25114150-11414150-11427524(Top 95%)15600(Top 95%)15600(Top 710%)
23M23.00 mi1.25 mi23952+914124+2614124+2624031(Top 83%)13865(Top 85%)13865(Top 631%)
24M24.00 mi1.00 mi23949+314105+1914105+1923891(Top 82%)13787(Top 84%)13787(Top 627%)
40K24.85 mi0.85 mi23834+11514046+5914046+5920289(Top 70%)12006(Top 73%)12006(Top 546%)
25.2M25.20 mi0.35 mi23897-6314062-1614062-1626353(Top 91%)14956(Top 92%)14956(Top 680%)
FINISH26.22 mi1.02 mi23946-4914071-914071-925452(Top 88%)14491(Top 89%)14491(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15977

Males

10587

M40-44

10587

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17350

Males

11157

M40-44

11157

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15977

Males

10587

M40-44

10587

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21563

Males

13038

M40-44

13038

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22515

Males

13520

M40-44

13520

HALF→25K

13.1 - 15.5 mi

Top 93%
×4
+66ft-88ft

Overall

27113

Males

15577

M40-44

15577

25K→30K

15.5 - 18.6 mi

Top 91%
×9
+181ft-148ft

Overall

26297

Males

15137

M40-44

15137

30K→20M

18.6 - 20.0 mi

Top 86%
×5
+64ft-50ft

Overall

24975

Males

14451

M40-44

14451

20M→21M

20.0 - 21.0 mi

Top 96%
×8
+106ft-24ft

Overall

27820

Males

15748

M40-44

15748

21M→35K

21.0 - 21.8 mi

Top 95%
×7
+17ft-86ft

Overall

27524

Males

15600

M40-44

15600

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24031

Males

13865

M40-44

13865

23M→24M

23.0 - 24.0 mi

Top 82%
×6
+12ft-82ft

Overall

23891

Males

13787

M40-44

13787

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20289

Males

12006

M40-44

12006

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26353

Males

14956

M40-44

14956

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25452

Males

14491

M40-44

14491

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2394*
Passed By
1698
Net Change
-4095
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19851
5K → 10K1249*23+1226#19851#18625
10K → 15K771*10+761#18625#17864
15K → 20K23200-1002#17864#18866
20K → HALF7200-223#18866#19089
HALF → 25K1200-2493#19089#21582
25K → 30K14200-1478#21582#23060
30K → 20M40200-175#23060#23235
20M → 21M2200-475#23235#23710
21M → 35K7200-251#23710#23961
35K → 23M7263+9#23961#23952
23M → 24M5552+3#23952#23949
24M → 40K1172+115#23949#23834
40K → 25.2M467-63#23834#23897
25.2M → FINISH3281-49#23897#23946
TOTALS2394*1698-4095

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing