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BOSTON MARATHON 2026

Kaiqin Zhang

Bib: 12913•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 30%
Gender (Male)
#0 / 16340
Top 43%
Masters (Masters Men)
#0 / 10617
Top 30%
Age Group (M45-49)
#0 / 2413
Top 46%
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
22:35
3.11 mi
Rank: #10752
Start → 5K
22:35 | 7:17/mi
10K
44:54
6.21 mi
Rank: #10426 (+326)
5K → 10K
22:19 | 7:11/mi
15K
1:07:06
9.32 mi
Rank: #10130 (+296)
10K → 15K
22:12 | 7:09/mi
20K
1:29:37
12.43 mi
Rank: #9985 (+145)
15K → 20K
22:31 | 7:15/mi
HALF
1:34:34
13.11 mi
Rank: #10018 (-33)
20K → HALF
4:57 | 7:16/mi
25K
1:52:07
15.53 mi
Rank: #9872 (+146)
HALF → 25K
17:33 | 7:15/mi
30K
2:14:49
18.64 mi
Rank: #9509 (+363)
25K → 30K
22:42 | 7:19/mi
20M
2:24:37
20.00 mi
Rank: #9277 (+232)
30K → 20M
9:48 | 7:13/mi
21M
2:32:11
21.00 mi
Rank: #9112 (+165)
20M → 21M
7:34 | 7:34/mi
35K
2:37:25
21.75 mi
Rank: #9002 (+110)
21M → 35K
5:14 | 7:00/mi
23M
2:46:32
23.00 mi
Rank: #8846 (+156)
35K → 23M
9:07 | 7:18/mi
24M
2:53:38
24.00 mi
Rank: #8729 (+117)
23M → 24M
7:06 | 7:06/mi
40K
2:59:52
24.85 mi
Rank: #8634 (+95)
24M → 40K
6:14 | 7:18/mi
25.2M
3:02:39
25.20 mi
Rank: #8621 (+13)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:10:09
26.22 mi
Rank: #8661 (-40)
25.2M → FINISH
7:30 | 7:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:34
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:35:35
Pace7:18 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5822:357:1722:35
7:17
-
10K
6.21 mi11:28:1744:547:1422:19
7:11
-0:06
15K
9.32 mi11:50:291:07:067:1222:12
7:09
-0:02
20K
12.43 mi12:13:001:29:377:1322:31
7:15
+0:06
HALF
13.11 mi12:17:571:34:347:134:57
7:16
+0:01
25K
15.53 mi12:35:301:52:077:1417:33
7:15
-0:01
30K
18.64 mi12:58:122:14:497:1422:42
7:19
+0:04
20M
20.00 mi13:08:002:24:377:149:48
7:13
-0:06
21M
21.00 mi13:15:342:32:117:157:34
7:34
+0:21
35K
21.75 mi13:20:482:37:257:155:14
7:00
-0:34
23M
23.00 mi13:29:552:46:327:159:07
7:18
+0:18
24M
24.00 mi13:37:012:53:387:157:06
7:06
-0:12
40K
24.85 mi13:43:152:59:527:156:14
7:18
+0:12
25.2M
25.20 mi13:46:023:02:397:152:47
8:05
+0:47
FINISH
26.22 mi13:53:323:10:097:167:30
7:22
-0:43

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

7:00 /mi

Average Pace

7:15 /mi

Slowest Pace

8:05 /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

3:07:22

99% of race

Time at Steady Pace

2:47

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi11:05:5822:357:1722:35
7:17
#10752
10K
6.21 mi11:28:1744:547:1422:19
7:11
#10426
15K
9.32 mi11:50:291:07:067:1222:12
7:09
#10130
20K
12.43 mi12:13:001:29:377:1322:31
7:15
#9985
HALF
13.11 mi12:17:571:34:347:134:57
7:16
#10018
25K
15.53 mi12:35:301:52:077:1417:33
7:15
#9872
30K
18.64 mi12:58:122:14:497:1422:42
7:19
#9509
20M
20.00 mi13:08:002:24:377:149:48
7:13
#9277
21M
21.00 mi13:15:342:32:117:157:34
7:34
#9112
35K
21.75 mi13:20:482:37:257:155:14
7:00
#9002
23M
23.00 mi13:29:552:46:327:159:07
7:18
#8846
24M
24.00 mi13:37:012:53:387:157:06
7:06
#8729
40K
24.85 mi13:43:152:59:527:156:14
7:18
#8634
25.2M
25.20 mi13:46:023:02:397:152:47
8:05
#8621
FINISH
26.22 mi13:53:323:10:097:167:30
7:22
#8661
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 mi10752845584559627(Top 33%)7829(Top 48%)7829(Top 324%)
10K6.21 mi3.10 mi10426+3268281+1748281+17410103(Top 35%)8110(Top 50%)8110(Top 336%)
15K9.32 mi3.11 mi10130+2968126+1558126+1559627(Top 33%)7829(Top 48%)7829(Top 324%)
20K12.43 mi3.11 mi9985+1458011+1158011+1159711(Top 33%)7781(Top 48%)7781(Top 322%)
HALF13.11 mi0.68 mi10018-338024-138024-1310762(Top 37%)8344(Top 51%)8344(Top 346%)
25K15.53 mi2.42 mi9872+1467930+947930+949161(Top 32%)7410(Top 45%)7410(Top 307%)
30K18.64 mi3.11 mi9509+3637684+2467684+2468139(Top 28%)6693(Top 41%)6693(Top 277%)
20M20.00 mi1.36 mi9277+2327530+1547530+1547079(Top 24%)5963(Top 36%)5963(Top 247%)
21M21.00 mi1.00 mi9112+1657419+1117419+1116930(Top 24%)5740(Top 35%)5740(Top 238%)
35K21.75 mi0.75 mi9002+1107337+827337+827078(Top 24%)5880(Top 36%)5880(Top 244%)
23M23.00 mi1.25 mi8846+1567210+1277210+1277351(Top 25%)5979(Top 37%)5979(Top 248%)
24M24.00 mi1.00 mi8729+1177119+917119+917167(Top 25%)5792(Top 35%)5792(Top 240%)
40K24.85 mi0.85 mi8634+957043+767043+767353(Top 25%)5810(Top 36%)5810(Top 241%)
25.2M25.20 mi0.35 mi8621+137023+207023+208737(Top 30%)6473(Top 40%)6473(Top 268%)
FINISH26.22 mi1.02 mi8661-407017+67017+610308(Top 36%)7264(Top 44%)7264(Top 301%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9627

Males

7829

M45-49

7829

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10103

Males

8110

M45-49

8110

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9627

Males

7829

M45-49

7829

15K→20K

9.3 - 12.4 mi

Top 33%
×5
+106ft-86ft

Overall

9711

Males

7781

M45-49

7781

20K→HALF

12.4 - 13.1 mi

Top 37%
×2
+19ft-37ft

Overall

10762

Males

8344

M45-49

8344

HALF→25K

13.1 - 15.5 mi

Top 32%
×4
+66ft-88ft

Overall

9161

Males

7410

M45-49

7410

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8139

Males

6693

M45-49

6693

30K→20M

18.6 - 20.0 mi

Top 24%
×5
+64ft-50ft

Overall

7079

Males

5963

M45-49

5963

20M→21M

20.0 - 21.0 mi

Top 24%
×8
+106ft-24ft

Overall

6930

Males

5740

M45-49

5740

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

7078

Males

5880

M45-49

5880

35K→23M

21.8 - 23.0 mi

Top 25%
×5
+23ft-63ft

Overall

7351

Males

5979

M45-49

5979

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7167

Males

5792

M45-49

5792

24M→40K

24.0 - 24.9 mi

Top 25%
×1
+6ft-20ft

Overall

7353

Males

5810

M45-49

5810

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8737

Males

6473

M45-49

6473

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10308

Males

7264

M45-49

7264

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2652*
Passed By
560
Net Change
+2091
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10752
5K → 10K425*99+326#10752#10426
10K → 15K353*57+296#10426#10130
15K → 20K239*94+145#10130#9985
20K → HALF1850-33#9985#10018
HALF → 25K186*40+146#10018#9872
25K → 30K387*24+363#9872#9509
30K → 20M241*9+232#9509#9277
20M → 21M17510+165#9277#9112
21M → 35K12010+110#9112#9002
35K → 23M18630+156#9002#8846
23M → 24M12710+117#8846#8729
24M → 40K11419+95#8729#8634
40K → 25.2M3219+13#8634#8621
25.2M → FINISH4989-40#8621#8661
TOTALS2652*560+2091

* 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