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BOSTON MARATHON 2026

Sijian Zhang

Bib: 19109•M

PA

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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 (M60-64)
#0 / 1514
Top 47%
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
25:35
3.11 mi
Rank: #18428
Start → 5K
25:35 | 8:15/mi
10K
51:05
6.21 mi
Rank: #18527 (-99)
5K → 10K
25:30 | 8:13/mi
15K
1:16:45
9.32 mi
Rank: #18593 (-66)
10K → 15K
25:40 | 8:16/mi
20K
1:42:25
12.43 mi
Rank: #18423 (+170)
15K → 20K
25:40 | 8:16/mi
HALF
1:47:49
13.11 mi
Rank: #18315 (+108)
20K → HALF
5:24 | 7:56/mi
25K
2:08:01
15.53 mi
Rank: #18192 (+123)
HALF → 25K
20:12 | 8:20/mi
30K
2:35:01
18.64 mi
Rank: #18128 (+64)
25K → 30K
27:00 | 8:42/mi
20M
2:47:35
20.00 mi
Rank: #18267 (-139)
30K → 20M
12:34 | 9:16/mi
21M
2:57:33
21.00 mi
Rank: #18392 (-125)
20M → 21M
9:58 | 9:58/mi
35K
3:04:26
21.75 mi
Rank: #18506 (-114)
21M → 35K
6:53 | 9:13/mi
23M
3:16:16
23.00 mi
Rank: #18637 (-131)
35K → 23M
11:50 | 9:28/mi
24M
3:25:27
24.00 mi
Rank: #18713 (-76)
23M → 24M
9:11 | 9:11/mi
40K
3:33:23
24.85 mi
Rank: #18749 (-36)
24M → 40K
7:56 | 9:17/mi
25.2M
3:36:55
25.20 mi
Rank: #18781 (-32)
40K → 25.2M
3:32 | 10:15/mi
FINISH
3:46:31
26.22 mi
Rank: #18970 (-189)
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
Time1:47:49
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:58:42
Pace9:04 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:0525:358:1525:35
8:15
-
10K
6.21 mi11:34:3551:058:1425:30
8:13
-0:02
15K
9.32 mi12:00:151:16:458:1525:40
8:16
+0:03
20K
12.43 mi12:25:551:42:258:1525:40
8:16
0:00
HALF
13.11 mi12:31:191:47:498:145:24
7:56
-0:20
25K
15.53 mi12:51:312:08:018:1520:12
8:20
+0:24
30K
18.64 mi13:18:312:35:018:1927:00
8:42
+0:22
20M
20.00 mi13:31:052:47:358:2312:34
9:16
+0:34
21M
21.00 mi13:41:032:57:338:289:58
9:58
+0:42
35K
21.75 mi13:47:563:04:268:296:53
9:13
-0:45
23M
23.00 mi13:59:463:16:168:3311:50
9:28
+0:15
24M
24.00 mi14:08:573:25:278:349:11
9:11
-0:17
40K
24.85 mi14:16:533:33:238:367:56
9:17
+0:06
25.2M
25.20 mi14:20:253:36:558:373:32
10:15
+0:58
FINISH
26.22 mi14:30:013:46:318:399:36
9:26
-0:49

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

7:56 /mi

Average Pace

8:39 /mi

Slowest Pace

10:15 /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

2:35:01

68% of race

Time at Steady Pace

58:00

26% of race

Time at Slower Pace

13:30

6% of race

Average Pace: 8:38 /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 mi11:09:0525:358:1525:35
8:15
#18428
10K
6.21 mi11:34:3551:058:1425:30
8:13
#18527
15K
9.32 mi12:00:151:16:458:1525:40
8:16
#18593
20K
12.43 mi12:25:551:42:258:1525:40
8:16
#18423
HALF
13.11 mi12:31:191:47:498:145:24
7:56
#18315
25K
15.53 mi12:51:312:08:018:1520:12
8:20
#18192
30K
18.64 mi13:18:312:35:018:1927:00
8:42
#18128
20M
20.00 mi13:31:052:47:358:2312:34
9:16
#18267
21M
21.00 mi13:41:032:57:338:289:58
9:58
#18392
35K
21.75 mi13:47:563:04:268:296:53
9:13
#18506
23M
23.00 mi13:59:463:16:168:3311:50
9:28
#18637
24M
24.00 mi14:08:573:25:278:349:11
9:11
#18713
40K
24.85 mi14:16:533:33:238:367:56
9:17
#18749
25.2M
25.20 mi14:20:253:36:558:373:32
10:15
#18781
FINISH
26.22 mi14:30:013:46:318:399:36
9:26
#18970
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18428115951159518740(Top 65%)11771(Top 72%)11771(Top 777%)
10K6.21 mi3.10 mi18527-9911657-6211657-6218613(Top 64%)11728(Top 72%)11728(Top 775%)
15K9.32 mi3.11 mi18593-6611700-4311700-4318740(Top 65%)11771(Top 72%)11771(Top 777%)
20K12.43 mi3.11 mi18423+17011627+7311627+7317861(Top 62%)11354(Top 69%)11354(Top 750%)
HALF13.11 mi0.68 mi18315+10811570+5711570+5716521(Top 57%)10829(Top 66%)10829(Top 715%)
25K15.53 mi2.42 mi18192+12311513+5711513+5717581(Top 61%)11187(Top 68%)11187(Top 739%)
30K18.64 mi3.11 mi18128+6411442+7111442+7117962(Top 62%)11246(Top 69%)11246(Top 743%)
20M20.00 mi1.36 mi18267-13911476-3411476-3420047(Top 69%)12130(Top 74%)12130(Top 801%)
21M21.00 mi1.00 mi18392-12511518-4211518-4220291(Top 70%)12206(Top 75%)12206(Top 806%)
35K21.75 mi0.75 mi18506-11411560-4211560-4220776(Top 72%)12363(Top 76%)12363(Top 817%)
23M23.00 mi1.25 mi18637-13111597-3711597-3720451(Top 70%)12189(Top 75%)12189(Top 805%)
24M24.00 mi1.00 mi18713-7611602-511602-520188(Top 70%)11967(Top 73%)11967(Top 790%)
40K24.85 mi0.85 mi18749-3611601+111601+119570(Top 67%)11633(Top 71%)11633(Top 768%)
25.2M25.20 mi0.35 mi18781-3211612-1111612-1120216(Top 70%)11961(Top 73%)11961(Top 790%)
FINISH26.22 mi1.02 mi18970-18911677-6511677-6522073(Top 76%)12878(Top 79%)12878(Top 851%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18740

Males

11771

M60-64

11771

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18613

Males

11728

M60-64

11728

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18740

Males

11771

M60-64

11771

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

17861

Males

11354

M60-64

11354

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16521

Males

10829

M60-64

10829

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17581

Males

11187

M60-64

11187

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17962

Males

11246

M60-64

11246

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20047

Males

12130

M60-64

12130

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20291

Males

12206

M60-64

12206

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20776

Males

12363

M60-64

12363

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20451

Males

12189

M60-64

12189

23M→24M

23.0 - 24.0 mi

Top 70%
×6
+12ft-82ft

Overall

20188

Males

11967

M60-64

11967

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19570

Males

11633

M60-64

11633

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20216

Males

11961

M60-64

11961

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22073

Males

12878

M60-64

12878

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1425*
Passed By
1844
Net Change
-542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18428
5K → 10K200200-99#18428#18527
10K → 15K138200-66#18527#18593
15K → 20K248*78+170#18593#18423
20K → HALF1080+108#18423#18315
HALF → 25K17754+123#18315#18192
25K → 30K229*165+64#18192#18128
30K → 20M67200-139#18128#18267
20M → 21M48173-125#18267#18392
21M → 35K28142-114#18392#18506
35K → 23M56187-131#18506#18637
23M → 24M41117-76#18637#18713
24M → 40K4884-36#18713#18749
40K → 25.2M1244-32#18749#18781
25.2M → FINISH25200-189#18781#18970
TOTALS1425*1844-542

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing