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BOSTON MARATHON 2026

William Zhang

Bib: 11291•M

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 32%
Gender (Male)
#0 / 16340
Top 45%
Masters (Masters Men)
#0 / 10617
Top 33%
Age Group (M45-49)
#0 / 2413
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
22:24
3.11 mi
Rank: #10250
Start → 5K
22:24 | 7:13/mi
10K
45:02
6.21 mi
Rank: #10626 (-376)
5K → 10K
22:38 | 7:18/mi
15K
1:07:32
9.32 mi
Rank: #10565 (+61)
10K → 15K
22:30 | 7:15/mi
20K
1:30:05
12.43 mi
Rank: #10333 (+232)
15K → 20K
22:33 | 7:16/mi
HALF
1:35:01
13.11 mi
Rank: #10340 (-7)
20K → HALF
4:56 | 7:15/mi
25K
1:52:43
15.53 mi
Rank: #10199 (+141)
HALF → 25K
17:42 | 7:18/mi
30K
2:15:59
18.64 mi
Rank: #10003 (+196)
25K → 30K
23:16 | 7:30/mi
20M
2:25:59
20.00 mi
Rank: #9832 (+171)
30K → 20M
10:00 | 7:22/mi
21M
2:33:54
21.00 mi
Rank: #9765 (+67)
20M → 21M
7:55 | 7:55/mi
35K
2:39:21
21.75 mi
Rank: #9708 (+57)
21M → 35K
5:27 | 7:18/mi
23M
2:48:31
23.00 mi
Rank: #9502 (+206)
35K → 23M
9:10 | 7:20/mi
24M
2:55:38
24.00 mi
Rank: #9368 (+134)
23M → 24M
7:07 | 7:07/mi
40K
3:01:54
24.85 mi
Rank: #9268 (+100)
24M → 40K
6:16 | 7:20/mi
25.2M
3:04:40
25.20 mi
Rank: #9247 (+21)
40K → 25.2M
2:46 | 8:02/mi
FINISH
3:11:52
26.22 mi
Rank: #9152 (+95)
25.2M → FINISH
7:12 | 7:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:36:51
Pace7:24 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:40:5422:247:1322:24
7:13
-
10K
6.21 mi11:03:3245:027:1522:38
7:18
+0:05
15K
9.32 mi11:26:021:07:327:1522:30
7:15
-0:03
20K
12.43 mi11:48:351:30:057:1522:33
7:16
+0:01
HALF
13.11 mi11:53:311:35:017:154:56
7:15
-0:01
25K
15.53 mi12:11:131:52:437:1617:42
7:18
+0:03
30K
18.64 mi12:34:292:15:597:1823:16
7:30
+0:12
20M
20.00 mi12:44:292:25:597:1810:00
7:22
-0:08
21M
21.00 mi12:52:242:33:547:207:55
7:55
+0:33
35K
21.75 mi12:57:512:39:217:205:27
7:18
-0:37
23M
23.00 mi13:07:012:48:317:209:10
7:20
+0:02
24M
24.00 mi13:14:082:55:387:207:07
7:07
-0:13
40K
24.85 mi13:20:243:01:547:206:16
7:20
+0:13
25.2M
25.20 mi13:23:103:04:407:202:46
8:02
+0:42
FINISH
26.22 mi13:30:223:11:527:207:12
7:04
-0:58

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

7:04 /mi

Average Pace

7:19 /mi

Slowest Pace

8:02 /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

3:01:11

94% of race

Time at Steady Pace

10:41

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:40:5422:247:1322:24
7:13
#10250
10K
6.21 mi11:03:3245:027:1522:38
7:18
#10626
15K
9.32 mi11:26:021:07:327:1522:30
7:15
#10565
20K
12.43 mi11:48:351:30:057:1522:33
7:16
#10333
HALF
13.11 mi11:53:311:35:017:154:56
7:15
#10340
25K
15.53 mi12:11:131:52:437:1617:42
7:18
#10199
30K
18.64 mi12:34:292:15:597:1823:16
7:30
#10003
20M
20.00 mi12:44:292:25:597:1810:00
7:22
#9832
21M
21.00 mi12:52:242:33:547:207:55
7:55
#9765
35K
21.75 mi12:57:512:39:217:205:27
7:18
#9708
23M
23.00 mi13:07:012:48:317:209:10
7:20
#9502
24M
24.00 mi13:14:082:55:387:207:07
7:07
#9368
40K
24.85 mi13:20:243:01:547:206:16
7:20
#9268
25.2M
25.20 mi13:23:103:04:407:202:46
8:02
#9247
FINISH
26.22 mi13:30:223:11:527:207:12
7:04
#9152
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 mi102508211821110472(Top 36%)8229(Top 50%)8229(Top 341%)
10K6.21 mi3.10 mi10626-3768382-1718382-17110994(Top 38%)8528(Top 52%)8528(Top 353%)
15K9.32 mi3.11 mi10565+618328+548328+5410472(Top 36%)8229(Top 50%)8229(Top 341%)
20K12.43 mi3.11 mi10333+2328180+1488180+1489804(Top 34%)7830(Top 48%)7830(Top 324%)
HALF13.11 mi0.68 mi10340-78183-38183-310541(Top 36%)8230(Top 50%)8230(Top 341%)
25K15.53 mi2.42 mi10199+1418082+1018082+1019678(Top 33%)7677(Top 47%)7677(Top 318%)
30K18.64 mi3.11 mi10003+1967927+1557927+1559574(Top 33%)7463(Top 46%)7463(Top 309%)
20M20.00 mi1.36 mi9832+1717815+1127815+1128135(Top 28%)6583(Top 40%)6583(Top 273%)
21M21.00 mi1.00 mi9765+677767+487767+489316(Top 32%)7108(Top 44%)7108(Top 295%)
35K21.75 mi0.75 mi9708+577724+437724+439164(Top 32%)7042(Top 43%)7042(Top 292%)
23M23.00 mi1.25 mi9502+2067579+1457579+1457630(Top 26%)6141(Top 38%)6141(Top 254%)
24M24.00 mi1.00 mi9368+1347490+897490+897266(Top 25%)5850(Top 36%)5850(Top 242%)
40K24.85 mi0.85 mi9268+1007406+847406+847650(Top 26%)5985(Top 37%)5985(Top 248%)
25.2M25.20 mi0.35 mi9247+217387+197387+198440(Top 29%)6336(Top 39%)6336(Top 263%)
FINISH26.22 mi1.02 mi9152+957299+887299+888075(Top 28%)6084(Top 37%)6084(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21
+97ft-345ft

Overall

10472

Males

8229

M45-49

8229

5K→10K

3.1 - 6.2 mi

Top 38%
×5
+79ft-138ft

Overall

10994

Males

8528

M45-49

8528

10K→15K

6.2 - 9.3 mi

Top 36%
×3
+67ft-78ft

Overall

10472

Males

8229

M45-49

8229

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9804

Males

7830

M45-49

7830

20K→HALF

12.4 - 13.1 mi

Top 36%
×2
+19ft-37ft

Overall

10541

Males

8230

M45-49

8230

HALF→25K

13.1 - 15.5 mi

Top 33%
×4
+66ft-88ft

Overall

9678

Males

7677

M45-49

7677

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9574

Males

7463

M45-49

7463

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8135

Males

6583

M45-49

6583

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9316

Males

7108

M45-49

7108

21M→35K

21.0 - 21.8 mi

Top 32%
×7
+17ft-86ft

Overall

9164

Males

7042

M45-49

7042

35K→23M

21.8 - 23.0 mi

Top 26%
×5
+23ft-63ft

Overall

7630

Males

6141

M45-49

6141

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7266

Males

5850

M45-49

5850

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7650

Males

5985

M45-49

5985

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8440

Males

6336

M45-49

6336

25.2M→FINISH

25.2 - 26.2 mi

Top 28%
×2
+22ft-21ft

Overall

8075

Males

6084

M45-49

6084

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2092*
Passed By
707
Net Change
+1098
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10250
5K → 10K111200-376#10250#10626
10K → 15K185124+61#10626#10565
15K → 20K291*59+232#10565#10333
20K → HALF2431-7#10333#10340
HALF → 25K181*40+141#10340#10199
25K → 30K273*77+196#10199#10003
30K → 20M18918+171#10003#9832
20M → 21M10538+67#9832#9765
21M → 35K7619+57#9765#9708
35K → 23M221*15+206#9708#9502
23M → 24M15218+134#9502#9368
24M → 40K11414+100#9368#9268
40K → 25.2M4120+21#9268#9247
25.2M → FINISH12934+95#9247#9152
TOTALS2092*707+1098

* 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