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BOSTON MARATHON 2026

Shanzhong Yuan

Bib: 18788β€’M

MD

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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 (M55-59)
#0 / 1491
Race Day Weather
51Β°/41Β°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
26:20
3.11 mi
Rank: #19948
Start β†’ 5K
26:20 | 8:29/mi
10K
53:05
6.21 mi
Rank: #20417 (-469)
5K β†’ 10K
26:45 | 8:37/mi
15K
1:20:38
9.32 mi
Rank: #21017 (-600)
10K β†’ 15K
27:33 | 8:53/mi
20K
1:50:05
12.43 mi
Rank: #21820 (-803)
15K β†’ 20K
29:27 | 9:29/mi
HALF
1:56:36
13.11 mi
Rank: #22014 (-194)
20K β†’ HALF
6:31 | 9:34/mi
25K
2:20:41
15.53 mi
Rank: #22520 (-506)
HALF β†’ 25K
24:05 | 9:56/mi
30K
3:00:00
18.64 mi
Rank: #24080 (-1560)
25K β†’ 30K
39:19 | 12:40/mi
20M
3:21:21
20.00 mi
Rank: #24958 (-878)
30K β†’ 20M
21:21 | 15:44/mi
21M
3:36:18
21.00 mi
Rank: #25298 (-340)
20M β†’ 21M
14:57 | 14:57/mi
35K
3:46:29
21.75 mi
Rank: #25532 (-234)
21M β†’ 35K
10:11 | 13:37/mi
23M
4:05:30
23.00 mi
Rank: #25957 (-425)
35K β†’ 23M
19:01 | 15:12/mi
24M
4:21:34
24.00 mi
Rank: #26310 (-353)
23M β†’ 24M
16:04 | 16:04/mi
40K
4:34:38
24.85 mi
Rank: #26500 (-190)
24M β†’ 40K
13:04 | 15:17/mi
25.2M
4:40:49
25.20 mi
Rank: #26613 (-113)
40K β†’ 25.2M
6:11 | 17:56/mi
FINISH
4:56:50
26.22 mi
Rank: #26913 (-300)
25.2M β†’ FINISH
16:01 | 15:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:36
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time3:00:14
Pace13:45 /mi
πŸ“ŠPositive Split: 54.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:1026:208:2926:20
8:29
-
10K
6.21 mi11:36:5553:058:3326:45
8:37
+0:08
15K
9.32 mi12:04:281:20:388:4027:33
8:53
+0:16
20K
12.43 mi12:33:551:50:058:5229:27
9:29
+0:36
HALF
13.11 mi12:40:261:56:368:546:31
9:34
+0:05
25K
15.53 mi13:04:312:20:419:0424:05
9:56
+0:22
30K
18.64 mi13:43:503:00:009:4039:19
12:40
+2:44
20M
20.00 mi14:05:113:21:2110:0521:21
15:44
+3:04
21M
21.00 mi14:20:083:36:1810:1914:57
14:57
-0:47
35K
21.75 mi14:30:193:46:2910:2510:11
13:37
-1:20
23M
23.00 mi14:49:204:05:3010:4119:01
15:12
+1:35
24M
24.00 mi15:05:244:21:3410:5416:04
16:04
+0:52
40K
24.85 mi15:18:284:34:3811:0313:04
15:17
-0:47
25.2M
25.20 mi15:24:394:40:4911:096:11
17:56
+2:39
FINISH
26.22 mi15:40:404:56:5011:2016:01
15:44
-2:12

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

8:29 /mi

Average Pace

11:20 /mi

Slowest Pace

17:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:20:41

47% of race

Time at Steady Pace

1:23:28

28% of race

Time at Slower Pace

1:12:41

24% of race

Average Pace: 11:19 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:10:1026:208:2926:20
8:29
#19948
10K
6.21 mi11:36:5553:058:3326:45
8:37
#20417
15K
9.32 mi12:04:281:20:388:4027:33
8:53
#21017
20K
12.43 mi12:33:551:50:058:5229:27
9:29
#21820
HALF
13.11 mi12:40:261:56:368:546:31
9:34
#22014
25K
15.53 mi13:04:312:20:419:0424:05
9:56
#22520
30K
18.64 mi13:43:503:00:009:4039:19
12:40
#24080
20M
20.00 mi14:05:113:21:2110:0521:21
15:44
#24958
21M
21.00 mi14:20:083:36:1810:1914:57
14:57
#25298
35K
21.75 mi14:30:193:46:2910:2510:11
13:37
#25532
23M
23.00 mi14:49:204:05:3010:4119:01
15:12
#25957
24M
24.00 mi15:05:244:21:3410:5416:04
16:04
#26310
40K
24.85 mi15:18:284:34:3811:0313:04
15:17
#26500
25.2M
25.20 mi15:24:394:40:4911:096:11
17:56
#26613
FINISH
26.22 mi15:40:404:56:5011:2016:01
15:44
#26913
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19948122681226822056(Top 76%)13298(Top 81%)13298(Top 892%)
10K6.21 mi3.10 mi20417-46912493-22512493-22520941(Top 72%)12759(Top 78%)12759(Top 856%)
15K9.32 mi3.11 mi21017-60012778-28512778-28522056(Top 76%)13298(Top 81%)13298(Top 892%)
20K12.43 mi3.11 mi21820-80313157-37913157-37923699(Top 82%)14063(Top 86%)14063(Top 943%)
HALF13.11 mi0.68 mi22014-19413257-10013257-10024540(Top 85%)14484(Top 89%)14484(Top 971%)
25K15.53 mi2.42 mi22520-50613512-25513512-25524128(Top 83%)14257(Top 87%)14257(Top 956%)
30K18.64 mi3.11 mi24080-156014248-73614248-73627416(Top 94%)15629(Top 96%)15629(Top 1048%)
20M20.00 mi1.36 mi24958-87814643-39514643-39528782(Top 99%)16217(Top 99%)16217(Top 1088%)
21M21.00 mi1.00 mi25298-34014787-14414787-14428030(Top 97%)15850(Top 97%)15850(Top 1063%)
35K21.75 mi0.75 mi25532-23414880-9314880-9328115(Top 97%)15857(Top 97%)15857(Top 1064%)
23M23.00 mi1.25 mi25957-42515064-18415064-18428697(Top 99%)16147(Top 99%)16147(Top 1083%)
24M24.00 mi1.00 mi26310-35315210-14615210-14628885(Top 100%)16253(Top 99%)16253(Top 1090%)
40K24.85 mi0.85 mi26500-19015290-8015290-8028570(Top 98%)16070(Top 98%)16070(Top 1078%)
25.2M25.20 mi0.35 mi26613-11315336-4615336-4628853(Top 99%)16224(Top 99%)16224(Top 1088%)
FINISH26.22 mi1.02 mi26913-30015473-13715473-13728909(Top 100%)16267(Top 100%)16267(Top 1091%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
Γ—21
+97ft-345ft

Overall

22056

Males

13298

M55-59

13298

5K→10K

3.1 - 6.2 mi

Top 72%
Γ—5
+79ft-138ft

Overall

20941

Males

12759

M55-59

12759

10K→15K

6.2 - 9.3 mi

Top 76%
Γ—3
+67ft-78ft

Overall

22056

Males

13298

M55-59

13298

15K→20K

9.3 - 12.4 mi

Top 82%
Γ—5
+106ft-86ft

Overall

23699

Males

14063

M55-59

14063

20K→HALF

12.4 - 13.1 mi

Top 85%
Γ—2
+19ft-37ft

Overall

24540

Males

14484

M55-59

14484

HALF→25K

13.1 - 15.5 mi

Top 83%
Γ—4
+66ft-88ft

Overall

24128

Males

14257

M55-59

14257

25K→30K

15.5 - 18.6 mi

Top 94%
Γ—9
+181ft-148ft

Overall

27416

Males

15629

M55-59

15629

30K→20M

18.6 - 20.0 mi

Top 99%
Γ—5
+64ft-50ft

Overall

28782

Males

16217

M55-59

16217

20M→21M

20.0 - 21.0 mi

Top 97%
Γ—8
+106ft-24ft

Overall

28030

Males

15850

M55-59

15850

21M→35K

21.0 - 21.8 mi

Top 97%
Γ—7
+17ft-86ft

Overall

28115

Males

15857

M55-59

15857

35K→23M

21.8 - 23.0 mi

Top 99%
Γ—5
+23ft-63ft

Overall

28697

Males

16147

M55-59

16147

23M→24M

23.0 - 24.0 mi

Top 100%
Γ—6
+12ft-82ft

Overall

28885

Males

16253

M55-59

16253

24M→40K

24.0 - 24.9 mi

Top 98%
Γ—1
+6ft-20ft

Overall

28570

Males

16070

M55-59

16070

40K→25.2M

24.9 - 25.2 mi

Top 99%
Γ—1
+13ft-16ft

Overall

28853

Males

16224

M55-59

16224

25.2M→FINISH

25.2 - 26.2 mi

Top 100%
Γ—2
+22ft-21ft

Overall

28909

Males

16267

M55-59

16267

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
255
Passed By
7220
Net Change
-6965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#19948
5K β†’ 10K117586-469#19948#20417
10K β†’ 15K46646-600#20417#21017
15K β†’ 20K27830-803#21017#21820
20K β†’ HALF5199-194#21820#22014
HALF β†’ 25K38544-506#22014#22520
25K β†’ 30K61566-1560#22520#24080
30K β†’ 20M1879-878#24080#24958
20M β†’ 21M2342-340#24958#25298
21M β†’ 35K4238-234#25298#25532
35K β†’ 23M1426-425#25532#25957
23M β†’ 24M2355-353#25957#26310
24M β†’ 40K5195-190#26310#26500
40K β†’ 25.2M0113-113#26500#26613
25.2M β†’ FINISH1301-300#26613#26913
TOTALS2557220-6965
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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