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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chun Hao Wei

Bib: 8772 •M •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 23%
Gender (Male)
#0 / 16340
Top 35%
Masters (Masters Men)
#0 / 10617
Top 21%
Age Group (M45-49)
#0 / 2413
Top 30%
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
21:38
3.11 mi
Rank: #8245
Start → 5K
21:38 | 6:58/mi
10K
42:31
6.21 mi
Rank: #7296 (+949)
5K → 10K
20:53 | 6:44/mi
15K
1:03:51
9.32 mi
Rank: #7358 (-62)
10K → 15K
21:20 | 6:52/mi
20K
1:25:10
12.43 mi
Rank: #7166 (+192)
15K → 20K
21:19 | 6:52/mi
HALF
1:29:44
13.11 mi
Rank: #7102 (+64)
20K → HALF
4:34 | 6:42/mi
25K
1:46:18
15.53 mi
Rank: #6903 (+199)
HALF → 25K
16:34 | 6:50/mi
30K
2:08:06
18.64 mi
Rank: #6716 (+187)
25K → 30K
21:48 | 7:02/mi
20M
2:17:50
20.00 mi
Rank: #6677 (+39)
30K → 20M
9:44 | 7:10/mi
21M
2:25:37
21.00 mi
Rank: #6750 (-73)
20M → 21M
7:47 | 7:47/mi
35K
2:30:40
21.75 mi
Rank: #6676 (+74)
21M → 35K
5:03 | 6:46/mi
23M
2:39:38
23.00 mi
Rank: #6613 (+63)
35K → 23M
8:58 | 7:10/mi
24M
2:46:54
24.00 mi
Rank: #6642 (-29)
23M → 24M
7:16 | 7:16/mi
40K
2:53:14
24.85 mi
Rank: #6635 (+7)
24M → 40K
6:20 | 7:25/mi
25.2M
2:56:04
25.20 mi
Rank: #6662 (-27)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:03:09
26.22 mi
Rank: #6626 (+36)
25.2M → FINISH
7:05 | 6:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:44
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:33:25
Pace7:08 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:0121:386:5821:38
6:58
-
10K
6.21 mi10:57:5442:316:5120:53
6:44
-0:14
15K
9.32 mi11:19:141:03:516:5221:20
6:52
+0:08
20K
12.43 mi11:40:331:25:106:5221:19
6:52
0:00
HALF
13.11 mi11:45:071:29:446:514:34
6:42
-0:10
25K
15.53 mi12:01:411:46:186:5116:34
6:50
+0:08
30K
18.64 mi12:23:292:08:066:5321:48
7:02
+0:12
20M
20.00 mi12:33:132:17:506:549:44
7:10
+0:08
21M
21.00 mi12:41:002:25:376:577:47
7:47
+0:37
35K
21.75 mi12:46:032:30:406:565:03
6:46
-1:01
23M
23.00 mi12:55:012:39:386:578:58
7:10
+0:24
24M
24.00 mi13:02:172:46:546:587:16
7:16
+0:06
40K
24.85 mi13:08:372:53:146:596:20
7:25
+0:09
25.2M
25.20 mi13:11:272:56:047:002:50
8:13
+0:48
FINISH
26.22 mi13:18:323:03:097:007:05
6:58
-1:15

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

6:42 /mi

Average Pace

6:59 /mi

Slowest Pace

8:13 /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

25:27

14% of race

Time at Steady Pace

2:13:29

73% of race

Time at Slower Pace

24:13

13% of race

Average Pace: 6:59 /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 mi10:37:0121:386:5821:38
6:58
#8245
10K
6.21 mi10:57:5442:316:5120:53
6:44
#7296
15K
9.32 mi11:19:141:03:516:5221:20
6:52
#7358
20K
12.43 mi11:40:331:25:106:5221:19
6:52
#7166
HALF
13.11 mi11:45:071:29:446:514:34
6:42
#7102
25K
15.53 mi12:01:411:46:186:5116:34
6:50
#6903
30K
18.64 mi12:23:292:08:066:5321:48
7:02
#6716
20M
20.00 mi12:33:132:17:506:549:44
7:10
#6677
21M
21.00 mi12:41:002:25:376:577:47
7:47
#6750
35K
21.75 mi12:46:032:30:406:565:03
6:46
#6676
23M
23.00 mi12:55:012:39:386:578:58
7:10
#6613
24M
24.00 mi13:02:172:46:546:587:16
7:16
#6642
40K
24.85 mi13:08:372:53:146:596:20
7:25
#6635
25.2M
25.20 mi13:11:272:56:047:002:50
8:13
#6662
FINISH
26.22 mi13:18:323:03:097:007:05
6:58
#6626
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8245706570657492(Top 26%)6512(Top 40%)6512(Top 270%)
10K6.21 mi3.10 mi7296+9496414+6516414+6516194(Top 21%)5615(Top 34%)5615(Top 233%)
15K9.32 mi3.11 mi7358-626451-376451-377492(Top 26%)6512(Top 40%)6512(Top 270%)
20K12.43 mi3.11 mi7166+1926304+1476304+1476749(Top 23%)5966(Top 37%)5966(Top 247%)
HALF13.11 mi0.68 mi7102+646255+496255+496165(Top 21%)5552(Top 34%)5552(Top 230%)
25K15.53 mi2.42 mi6903+1996114+1416114+1416079(Top 21%)5426(Top 33%)5426(Top 225%)
30K18.64 mi3.11 mi6716+1875958+1565958+1566038(Top 21%)5333(Top 33%)5333(Top 221%)
20M20.00 mi1.36 mi6677+395914+445914+446689(Top 23%)5710(Top 35%)5710(Top 237%)
21M21.00 mi1.00 mi6750-735952-385952-388334(Top 29%)6556(Top 40%)6556(Top 272%)
35K21.75 mi0.75 mi6676+745897+555897+555334(Top 18%)4698(Top 29%)4698(Top 195%)
23M23.00 mi1.25 mi6613+635836+615836+616523(Top 22%)5447(Top 33%)5447(Top 226%)
24M24.00 mi1.00 mi6642-295841-55841-58295(Top 29%)6402(Top 39%)6402(Top 265%)
40K24.85 mi0.85 mi6635+75818+235818+238158(Top 28%)6253(Top 38%)6253(Top 259%)
25.2M25.20 mi0.35 mi6662-275837-195837-199613(Top 33%)6902(Top 42%)6902(Top 286%)
FINISH26.22 mi1.02 mi6626+365791+465791+467153(Top 25%)5588(Top 34%)5588(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21
+97ft-345ft

Overall

7492

Males

6512

M45-49

6512

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6194

Males

5615

M45-49

5615

10K→15K

6.2 - 9.3 mi

Top 26%
×3
+67ft-78ft

Overall

7492

Males

6512

M45-49

6512

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6749

Males

5966

M45-49

5966

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6165

Males

5552

M45-49

5552

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6079

Males

5426

M45-49

5426

25K→30K

15.5 - 18.6 mi

Top 21%
×9
+181ft-148ft

Overall

6038

Males

5333

M45-49

5333

30K→20M

18.6 - 20.0 mi

Top 23%
×5
+64ft-50ft

Overall

6689

Males

5710

M45-49

5710

20M→21M

20.0 - 21.0 mi

Top 29%
×8
+106ft-24ft

Overall

8334

Males

6556

M45-49

6556

21M→35K

21.0 - 21.8 mi

Top 18%
×7
+17ft-86ft

Overall

5334

Males

4698

M45-49

4698

35K→23M

21.8 - 23.0 mi

Top 22%
×5
+23ft-63ft

Overall

6523

Males

5447

M45-49

5447

23M→24M

23.0 - 24.0 mi

Top 29%
×6
+12ft-82ft

Overall

8295

Males

6402

M45-49

6402

24M→40K

24.0 - 24.9 mi

Top 28%
×1
+6ft-20ft

Overall

8158

Males

6253

M45-49

6253

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1
+13ft-16ft

Overall

9613

Males

6902

M45-49

6902

25.2M→FINISH

25.2 - 26.2 mi

Top 25%
×2
+22ft-21ft

Overall

7153

Males

5588

M45-49

5588

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2351*
Passed By
732
Net Change
+1619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8245
5K → 10K958*9+949#8245#7296
10K → 15K122184-62#7296#7358
15K → 20K240*48+192#7358#7166
20K → HALF706+64#7166#7102
HALF → 25K214*15+199#7102#6903
25K → 30K242*55+187#6903#6716
30K → 20M9152+39#6716#6677
20M → 21M36109-73#6677#6750
21M → 35K8511+74#6750#6676
35K → 23M11350+63#6676#6613
23M → 24M4271-29#6613#6642
24M → 40K6154+7#6642#6635
40K → 25.2M1239-27#6635#6662
25.2M → FINISH6529+36#6662#6626
TOTALS2351*732+1619

* 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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