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BOSTON MARATHON 2026

Yilun Zhang

Bib: 10924•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
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
20:59
3.11 mi
Rank: #6442
Start → 5K
20:59 | 6:46/mi
10K
42:17
6.21 mi
Rank: #6937 (-495)
5K → 10K
21:18 | 6:52/mi
15K
1:03:49
9.32 mi
Rank: #7333 (-396)
10K → 15K
21:32 | 6:56/mi
20K
1:26:48
12.43 mi
Rank: #8251 (-918)
15K → 20K
22:59 | 7:24/mi
HALF
1:31:39
13.11 mi
Rank: #8310 (-59)
20K → HALF
4:51 | 7:07/mi
25K
1:51:32
15.53 mi
Rank: #9535 (-1225)
HALF → 25K
19:53 | 8:12/mi
30K
2:19:13
18.64 mi
Rank: #11620 (-2085)
25K → 30K
27:41 | 8:55/mi
20M
2:32:52
20.00 mi
Rank: #12821 (-1201)
30K → 20M
13:39 | 10:03/mi
21M
2:44:08
21.00 mi
Rank: #13867 (-1046)
20M → 21M
11:16 | 11:16/mi
35K
2:53:25
21.75 mi
Rank: #15103 (-1236)
21M → 35K
9:17 | 12:25/mi
23M
3:07:36
23.00 mi
Rank: #16237 (-1134)
35K → 23M
14:11 | 11:21/mi
24M
3:17:56
24.00 mi
Rank: #16787 (-550)
23M → 24M
10:20 | 10:20/mi
40K
3:26:19
24.85 mi
Rank: #17008 (-221)
24M → 40K
8:23 | 9:49/mi
25.2M
3:29:44
25.20 mi
Rank: #17038 (-30)
40K → 25.2M
3:25 | 9:55/mi
FINISH
3:39:20
26.22 mi
Rank: #17310 (-272)
25.2M → FINISH
9:36 | 9:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:39
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time2:07:41
Pace9:45 /mi
📊Positive Split: 39.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:3620:596:4620:59
6:46
-
10K
6.21 mi10:59:5442:176:4921:18
6:52
+0:06
15K
9.32 mi11:21:261:03:496:5121:32
6:56
+0:04
20K
12.43 mi11:44:251:26:487:0022:59
7:24
+0:28
HALF
13.11 mi11:49:161:31:397:004:51
7:07
-0:17
25K
15.53 mi12:09:091:51:327:1119:53
8:12
+1:05
30K
18.64 mi12:36:502:19:137:2927:41
8:55
+0:43
20M
20.00 mi12:50:292:32:527:3913:39
10:03
+1:08
21M
21.00 mi13:01:452:44:087:4911:16
11:16
+1:13
35K
21.75 mi13:11:022:53:257:599:17
12:25
+1:09
23M
23.00 mi13:25:133:07:368:1014:11
11:21
-1:04
24M
24.00 mi13:35:333:17:568:1510:20
10:20
-1:01
40K
24.85 mi13:43:563:26:198:198:23
9:49
-0:31
25.2M
25.20 mi13:47:213:29:448:203:25
9:55
+0:06
FINISH
26.22 mi13:56:573:39:208:239:36
9:26
-0:29

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

6:46 /mi

Average Pace

8:22 /mi

Slowest Pace

12:25 /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

1:51:32

51% of race

Time at Steady Pace

1:02:44

29% of race

Time at Slower Pace

45:04

21% 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 mi10:38:3620:596:4620:59
6:46
#6442
10K
6.21 mi10:59:5442:176:4921:18
6:52
#6937
15K
9.32 mi11:21:261:03:496:5121:32
6:56
#7333
20K
12.43 mi11:44:251:26:487:0022:59
7:24
#8251
HALF
13.11 mi11:49:161:31:397:004:51
7:07
#8310
25K
15.53 mi12:09:091:51:327:1119:53
8:12
#9535
30K
18.64 mi12:36:502:19:137:2927:41
8:55
#11620
20M
20.00 mi12:50:292:32:527:3913:39
10:03
#12821
21M
21.00 mi13:01:452:44:087:4911:16
11:16
#13867
35K
21.75 mi13:11:022:53:257:599:17
12:25
#15103
23M
23.00 mi13:25:133:07:368:1014:11
11:21
#16237
24M
24.00 mi13:35:333:17:568:1510:20
10:20
#16787
40K
24.85 mi13:43:563:26:198:198:23
9:49
#17008
25.2M
25.20 mi13:47:213:29:448:203:25
9:55
#17038
FINISH
26.22 mi13:56:573:39:208:239:36
9:26
#17310
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 mi6442581458148056(Top 28%)6903(Top 42%)6903(Top 286%)
10K6.21 mi3.10 mi6937-4956166-3526166-3527546(Top 26%)6590(Top 40%)6590(Top 273%)
15K9.32 mi3.11 mi7333-3966436-2706436-2708056(Top 28%)6903(Top 42%)6903(Top 286%)
20K12.43 mi3.11 mi8251-9187033-5977033-59711107(Top 38%)8434(Top 52%)8434(Top 350%)
HALF13.11 mi0.68 mi8310-597068-357068-359581(Top 33%)7793(Top 48%)7793(Top 323%)
25K15.53 mi2.42 mi9535-12257763-6957763-69516774(Top 58%)10841(Top 66%)10841(Top 449%)
30K18.64 mi3.11 mi11620-20858713-9508713-95019115(Top 66%)11759(Top 72%)11759(Top 487%)
20M20.00 mi1.36 mi12821-12019190-4779190-47722700(Top 78%)13397(Top 82%)13397(Top 555%)
21M21.00 mi1.00 mi13867-10469635-4459635-44523673(Top 82%)13783(Top 84%)13783(Top 571%)
35K21.75 mi0.75 mi15103-123610115-48010115-48027164(Top 94%)15418(Top 94%)15418(Top 639%)
23M23.00 mi1.25 mi16237-113410556-44110556-44125129(Top 87%)14397(Top 88%)14397(Top 597%)
24M24.00 mi1.00 mi16787-55010784-22810784-22823677(Top 82%)13694(Top 84%)13694(Top 568%)
40K24.85 mi0.85 mi17008-22110850-6610850-6621359(Top 74%)12513(Top 77%)12513(Top 519%)
25.2M25.20 mi0.35 mi17038-3010856-610856-618994(Top 65%)11360(Top 70%)11360(Top 471%)
FINISH26.22 mi1.02 mi17310-27210954-9810954-9822070(Top 76%)12875(Top 79%)12875(Top 534%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21
+97ft-345ft

Overall

8056

Males

6903

M45-49

6903

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7546

Males

6590

M45-49

6590

10K→15K

6.2 - 9.3 mi

Top 28%
×3
+67ft-78ft

Overall

8056

Males

6903

M45-49

6903

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

11107

Males

8434

M45-49

8434

20K→HALF

12.4 - 13.1 mi

Top 33%
×2
+19ft-37ft

Overall

9581

Males

7793

M45-49

7793

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16774

Males

10841

M45-49

10841

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19115

Males

11759

M45-49

11759

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22700

Males

13397

M45-49

13397

20M→21M

20.0 - 21.0 mi

Top 82%
×8
+106ft-24ft

Overall

23673

Males

13783

M45-49

13783

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27164

Males

15418

M45-49

15418

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25129

Males

14397

M45-49

14397

23M→24M

23.0 - 24.0 mi

Top 82%
×6
+12ft-82ft

Overall

23677

Males

13694

M45-49

13694

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21359

Males

12513

M45-49

12513

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18994

Males

11360

M45-49

11360

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22070

Males

12875

M45-49

12875

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
254
Passed By
11120
Net Change
-10868
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6442
5K → 10K65560-495#6442#6937
10K → 15K48444-396#6937#7333
15K → 20K20938-918#7333#8251
20K → HALF867-59#8251#8310
HALF → 25K151240-1225#8310#9535
25K → 30K122095-2085#9535#11620
30K → 20M61207-1201#11620#12821
20M → 21M71053-1046#12821#13867
21M → 35K41240-1236#13867#15103
35K → 23M71141-1134#15103#16237
23M → 24M9559-550#16237#16787
24M → 40K22243-221#16787#17008
40K → 25.2M1646-30#17008#17038
25.2M → FINISH15287-272#17038#17310
TOTALS25411120-10868

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📊

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