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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Weibin Guo

Bib: 9170 •M •Age: N/A

Boston Marathon logo
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
22:18
3.11 mi
Rank: #9985
Start → 5K
22:18 | 7:11/mi
10K
44:45
6.21 mi
Rank: #10225 (-240)
5K → 10K
22:27 | 7:14/mi
15K
1:08:44
9.32 mi
Rank: #11736 (-1511)
10K → 15K
23:59 | 7:44/mi
20K
1:33:51
12.43 mi
Rank: #13040 (-1304)
15K → 20K
25:07 | 8:06/mi
HALF
1:39:06
13.11 mi
Rank: #13123 (-83)
20K → HALF
5:15 | 7:43/mi
25K
1:59:45
15.53 mi
Rank: #14132 (-1009)
HALF → 25K
20:39 | 8:31/mi
30K
2:29:14
18.64 mi
Rank: #16026 (-1894)
25K → 30K
29:29 | 9:30/mi
20M
2:42:36
20.00 mi
Rank: #16681 (-655)
30K → 20M
13:22 | 9:51/mi
21M
2:53:22
21.00 mi
Rank: #17175 (-494)
20M → 21M
10:46 | 10:46/mi
35K
2:59:45
21.75 mi
Rank: #17176 (-1)
21M → 35K
6:23 | 8:32/mi
23M
3:11:28
23.00 mi
Rank: #17361 (-185)
35K → 23M
11:43 | 9:22/mi
24M
3:20:02
24.00 mi
Rank: #17339 (+22)
23M → 24M
8:34 | 8:34/mi
40K
3:27:53
24.85 mi
Rank: #17397 (-58)
24M → 40K
7:51 | 9:11/mi
25.2M
3:31:01
25.20 mi
Rank: #17359 (+38)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:39:28
26.22 mi
Rank: #17350 (+9)
25.2M → FINISH
8:27 | 8:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time2:00:22
Pace9:11 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:5822:187:1122:18
7:11
-
10K
6.21 mi11:00:2544:457:1322:27
7:14
+0:03
15K
9.32 mi11:24:241:08:447:2323:59
7:44
+0:30
20K
12.43 mi11:49:311:33:517:3425:07
8:06
+0:22
HALF
13.11 mi11:54:461:39:067:345:15
7:43
-0:23
25K
15.53 mi12:15:251:59:457:4320:39
8:31
+0:48
30K
18.64 mi12:44:542:29:148:0129:29
9:30
+0:59
20M
20.00 mi12:58:162:42:368:0813:22
9:51
+0:21
21M
21.00 mi13:09:022:53:228:1610:46
10:46
+0:55
35K
21.75 mi13:15:252:59:458:166:23
8:32
-2:14
23M
23.00 mi13:27:083:11:288:2011:43
9:22
+0:50
24M
24.00 mi13:35:423:20:028:218:34
8:34
-0:48
40K
24.85 mi13:43:333:27:538:227:51
9:11
+0:37
25.2M
25.20 mi13:46:413:31:018:233:08
9:06
-0:05
FINISH
26.22 mi13:55:083:39:288:238:27
8:18
-0:48

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

7:11 /mi

Average Pace

8:23 /mi

Slowest Pace

10:46 /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

1:13:59

34% of race

Time at Steady Pace

1:09:10

32% of race

Time at Slower Pace

1:16:19

35% of race

Average Pace: 8:22 /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 mi10:37:5822:187:1122:18
7:11
#9985
10K
6.21 mi11:00:2544:457:1322:27
7:14
#10225
15K
9.32 mi11:24:241:08:447:2323:59
7:44
#11736
20K
12.43 mi11:49:311:33:517:3425:07
8:06
#13040
HALF
13.11 mi11:54:461:39:067:345:15
7:43
#13123
25K
15.53 mi12:15:251:59:457:4320:39
8:31
#14132
30K
18.64 mi12:44:542:29:148:0129:29
9:30
#16026
20M
20.00 mi12:58:162:42:368:0813:22
9:51
#16681
21M
21.00 mi13:09:022:53:228:1610:46
10:46
#17175
35K
21.75 mi13:15:252:59:458:166:23
8:32
#17176
23M
23.00 mi13:27:083:11:288:2011:43
9:22
#17361
24M
24.00 mi13:35:423:20:028:218:34
8:34
#17339
40K
24.85 mi13:43:333:27:538:227:51
9:11
#17397
25.2M
25.20 mi13:46:413:31:018:233:08
9:06
#17359
FINISH
26.22 mi13:55:083:39:288:238:27
8:18
#17350
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 mi99858083808314695(Top 51%)10078(Top 62%)10078(Top 459%)
10K6.21 mi3.10 mi10225-2408182-998182-9910498(Top 36%)8310(Top 51%)8310(Top 378%)
15K9.32 mi3.11 mi11736-15118871-6898871-68914695(Top 51%)10078(Top 62%)10078(Top 459%)
20K12.43 mi3.11 mi13040-13049386-5159386-51516748(Top 58%)10887(Top 67%)10887(Top 495%)
HALF13.11 mi0.68 mi13123-839419-339419-3314744(Top 51%)10133(Top 62%)10133(Top 461%)
25K15.53 mi2.42 mi14132-10099837-4189837-41818650(Top 64%)11638(Top 71%)11638(Top 529%)
30K18.64 mi3.11 mi16026-189410540-70310540-70321592(Top 74%)12937(Top 79%)12937(Top 589%)
20M20.00 mi1.36 mi16681-65510805-26510805-26522120(Top 76%)13123(Top 80%)13123(Top 597%)
21M21.00 mi1.00 mi17175-49411012-20711012-20722555(Top 78%)13289(Top 81%)13289(Top 605%)
35K21.75 mi0.75 mi17176-110994+1810994+1817729(Top 61%)10920(Top 67%)10920(Top 497%)
23M23.00 mi1.25 mi17361-18511038-4411038-4420070(Top 69%)11981(Top 73%)11981(Top 545%)
24M24.00 mi1.00 mi17339+2211008+3011008+3017238(Top 59%)10576(Top 65%)10576(Top 481%)
40K24.85 mi0.85 mi17397-5811013-511013-519184(Top 66%)11438(Top 70%)11438(Top 520%)
25.2M25.20 mi0.35 mi17359+3810990+2310990+2315173(Top 52%)9588(Top 59%)9588(Top 436%)
FINISH26.22 mi1.02 mi17350+910970+2010970+2016961(Top 58%)10411(Top 64%)10411(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14695

Males

10078

M40-44

10078

5K→10K

3.1 - 6.2 mi

Top 36%
×5
+79ft-138ft

Overall

10498

Males

8310

M40-44

8310

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14695

Males

10078

M40-44

10078

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16748

Males

10887

M40-44

10887

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14744

Males

10133

M40-44

10133

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18650

Males

11638

M40-44

11638

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21592

Males

12937

M40-44

12937

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22120

Males

13123

M40-44

13123

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22555

Males

13289

M40-44

13289

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17729

Males

10920

M40-44

10920

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20070

Males

11981

M40-44

11981

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17238

Males

10576

M40-44

10576

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19184

Males

11438

M40-44

11438

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15173

Males

9588

M40-44

9588

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16961

Males

10411

M40-44

10411

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
632
Passed By
1999
Net Change
-7365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9985
5K → 10K157200-240#9985#10225
10K → 15K13200-1511#10225#11736
15K → 20K19200-1304#11736#13040
20K → HALF992-83#13040#13123
HALF → 25K20200-1009#13123#14132
25K → 30K18200-1894#14132#16026
30K → 20M11200-655#16026#16681
20M → 21M11200-494#16681#17175
21M → 35K6162-1#17175#17176
35K → 23M57200-185#17176#17361
23M → 24M8664+22#17361#17339
24M → 40K49107-58#17339#17397
40K → 25.2M457+38#17397#17359
25.2M → FINISH7667+9#17359#17350
TOTALS6321999-7365
📊

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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