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BOSTON MARATHON 2026

Zaiwei Yang

Bib: 8678•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 27%
Gender (Male)
#0 / 16340
Top 40%
Masters (Masters Men)
#0 / 10617
Top 27%
Age Group (M50-54)
#0 / 1868
Top 23%
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
21:31
3.11 mi
Rank: #7941
Start → 5K
21:31 | 6:56/mi
10K
42:44
6.21 mi
Rank: #7641 (+300)
5K → 10K
21:13 | 6:50/mi
15K
1:03:45
9.32 mi
Rank: #7260 (+381)
10K → 15K
21:01 | 6:46/mi
20K
1:25:05
12.43 mi
Rank: #7103 (+157)
15K → 20K
21:20 | 6:52/mi
HALF
1:29:41
13.11 mi
Rank: #7075 (+28)
20K → HALF
4:36 | 6:45/mi
25K
1:46:12
15.53 mi
Rank: #6851 (+224)
HALF → 25K
16:31 | 6:49/mi
30K
2:08:26
18.64 mi
Rank: #6874 (-23)
25K → 30K
22:14 | 7:10/mi
20M
2:18:23
20.00 mi
Rank: #6917 (-43)
30K → 20M
9:57 | 7:20/mi
21M
2:26:09
21.00 mi
Rank: #6939 (-22)
20M → 21M
7:46 | 7:46/mi
35K
2:31:24
21.75 mi
Rank: #6925 (+14)
21M → 35K
5:15 | 7:02/mi
23M
2:40:47
23.00 mi
Rank: #6937 (-12)
35K → 23M
9:23 | 7:30/mi
24M
2:48:42
24.00 mi
Rank: #7154 (-217)
23M → 24M
7:55 | 7:55/mi
40K
2:55:38
24.85 mi
Rank: #7307 (-153)
24M → 40K
6:56 | 8:07/mi
25.2M
2:59:03
25.20 mi
Rank: #7502 (-195)
40K → 25.2M
3:25 | 9:55/mi
FINISH
3:07:40
26.22 mi
Rank: #7893 (-391)
25.2M → FINISH
8:37 | 8:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:41
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:37:59
Pace7:29 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:5221:316:5621:31
6:56
-
10K
6.21 mi10:58:0542:446:5321:13
6:50
-0:06
15K
9.32 mi11:19:061:03:456:5121:01
6:46
-0:04
20K
12.43 mi11:40:261:25:056:5121:20
6:52
+0:06
HALF
13.11 mi11:45:021:29:416:514:36
6:45
-0:07
25K
15.53 mi12:01:331:46:126:5116:31
6:49
+0:04
30K
18.64 mi12:23:472:08:266:5422:14
7:10
+0:21
20M
20.00 mi12:33:442:18:236:569:57
7:20
+0:10
21M
21.00 mi12:41:302:26:096:587:46
7:46
+0:26
35K
21.75 mi12:46:452:31:246:585:15
7:02
-0:44
23M
23.00 mi12:56:082:40:477:009:23
7:30
+0:28
24M
24.00 mi13:04:032:48:427:027:55
7:55
+0:25
40K
24.85 mi13:10:592:55:387:046:56
8:07
+0:12
25.2M
25.20 mi13:14:242:59:037:073:25
9:55
+1:48
FINISH
26.22 mi13:23:013:07:407:108:37
8:28
-1:27

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

6:45 /mi

Average Pace

7:10 /mi

Slowest Pace

9:55 /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

0:00

0% of race

Time at Steady Pace

2:33:01

82% of race

Time at Slower Pace

34:39

18% of race

Average Pace: 7:09 /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 mi10:36:5221:316:5621:31
6:56
#7941
10K
6.21 mi10:58:0542:446:5321:13
6:50
#7641
15K
9.32 mi11:19:061:03:456:5121:01
6:46
#7260
20K
12.43 mi11:40:261:25:056:5121:20
6:52
#7103
HALF
13.11 mi11:45:021:29:416:514:36
6:45
#7075
25K
15.53 mi12:01:331:46:126:5116:31
6:49
#6851
30K
18.64 mi12:23:472:08:266:5422:14
7:10
#6874
20M
20.00 mi12:33:442:18:236:569:57
7:20
#6917
21M
21.00 mi12:41:302:26:096:587:46
7:46
#6939
35K
21.75 mi12:46:452:31:246:585:15
7:02
#6925
23M
23.00 mi12:56:082:40:477:009:23
7:30
#6937
24M
24.00 mi13:04:032:48:427:027:55
7:55
#7154
40K
24.85 mi13:10:592:55:387:046:56
8:07
#7307
25.2M
25.20 mi13:14:242:59:037:073:25
9:55
#7502
FINISH
26.22 mi13:23:013:07:407:108:37
8:28
#7893
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7941686168616484(Top 22%)5804(Top 36%)5804(Top 311%)
10K6.21 mi3.10 mi7641+3006648+2136648+2137264(Top 25%)6385(Top 39%)6385(Top 342%)
15K9.32 mi3.11 mi7260+3816381+2676381+2676484(Top 22%)5804(Top 36%)5804(Top 311%)
20K12.43 mi3.11 mi7103+1576259+1226259+1226800(Top 23%)6007(Top 37%)6007(Top 322%)
HALF13.11 mi0.68 mi7075+286238+216238+216655(Top 23%)5935(Top 36%)5935(Top 318%)
25K15.53 mi2.42 mi6851+2246075+1636075+1635916(Top 20%)5307(Top 32%)5307(Top 284%)
30K18.64 mi3.11 mi6874-236068+76068+77091(Top 24%)6056(Top 37%)6056(Top 324%)
20M20.00 mi1.36 mi6917-436084-166084-167824(Top 27%)6400(Top 39%)6400(Top 343%)
21M21.00 mi1.00 mi6939-226091-76091-78240(Top 28%)6517(Top 40%)6517(Top 349%)
35K21.75 mi0.75 mi6925+146077+146077+147233(Top 25%)5968(Top 37%)5968(Top 319%)
23M23.00 mi1.25 mi6937-126057+206057+208829(Top 30%)6773(Top 41%)6773(Top 363%)
24M24.00 mi1.00 mi7154-2176189-1326189-13213089(Top 45%)8733(Top 53%)8733(Top 468%)
40K24.85 mi0.85 mi7307-1536264-756264-7513143(Top 45%)8677(Top 53%)8677(Top 465%)
25.2M25.20 mi0.35 mi7502-1956373-1096373-10918966(Top 65%)11332(Top 69%)11332(Top 607%)
FINISH26.22 mi1.02 mi7893-3916573-2006573-20017880(Top 62%)10820(Top 66%)10820(Top 579%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6484

Males

5804

M50-54

5804

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7264

Males

6385

M50-54

6385

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6484

Males

5804

M50-54

5804

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6800

Males

6007

M50-54

6007

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6655

Males

5935

M50-54

5935

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5916

Males

5307

M50-54

5307

25K→30K

15.5 - 18.6 mi

Top 24%
×9
+181ft-148ft

Overall

7091

Males

6056

M50-54

6056

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7824

Males

6400

M50-54

6400

20M→21M

20.0 - 21.0 mi

Top 28%
×8
+106ft-24ft

Overall

8240

Males

6517

M50-54

6517

21M→35K

21.0 - 21.8 mi

Top 25%
×7
+17ft-86ft

Overall

7233

Males

5968

M50-54

5968

35K→23M

21.8 - 23.0 mi

Top 30%
×5
+23ft-63ft

Overall

8829

Males

6773

M50-54

6773

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13089

Males

8733

M50-54

8733

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13143

Males

8677

M50-54

8677

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18966

Males

11332

M50-54

11332

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

17880

Males

10820

M50-54

10820

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1736*
Passed By
1448
Net Change
+48
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7941
5K → 10K384*84+300#7941#7641
10K → 15K397*16+381#7641#7260
15K → 20K234*77+157#7260#7103
20K → HALF3810+28#7103#7075
HALF → 25K235*11+224#7075#6851
25K → 30K131154-23#6851#6874
30K → 20M68111-43#6874#6917
20M → 21M5577-22#6917#6939
21M → 35K4430+14#6939#6925
35K → 23M7688-12#6925#6937
23M → 24M21200-217#6937#7154
24M → 40K38191-153#7154#7307
40K → 25.2M4199-195#7307#7502
25.2M → FINISH11200-391#7502#7893
TOTALS1736*1448+48

* 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