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BOSTON MARATHON 2026

Yadong Shang

Bib: 15376•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 40%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 42%
Division (M50-54)
#0 / 1868
Top 46%
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:27/mi
23:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:24
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:33:01
↑ 106↓ 860.1%
HALF· 13.11 mi
7:37/mi
1:38:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:20:37
↑ 181↓ 1480.2%
20M
7:52/mi
2:31:18
↑ 64↓ 500.2%
21M
8:11/mi
2:39:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:45:11
↑ 17↓ 861.7%
23M
7:49/mi
2:54:57
↑ 23↓ 630.6%
24M
7:35/mi
3:02:32
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:08:57
↓ 200.3%
25.2M
8:16/mi
3:11:48
↑ 13↓ 160.2%
FINISH· 26.22 mi
7:08/mi
3:19:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time1:38:12
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:40:52
Pace7:42 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2623:067:2723:06
7:27
-
10K
6.21 mi11:17:3846:187:2823:12
7:29
+0:02
15K
9.32 mi11:40:441:09:247:2723:06
7:27
-0:02
20K
12.43 mi12:04:211:33:017:3023:37
7:37
+0:10
HALF
13.11 mi12:09:321:38:127:305:11
7:37
0:00
25K
15.53 mi12:27:581:56:387:3118:26
7:37
0:00
30K
18.64 mi12:51:572:20:377:3323:59
7:44
+0:07
20M
20.00 mi13:02:382:31:187:3410:41
7:52
+0:08
21M
21.00 mi13:10:492:39:297:368:11
8:11
+0:19
35K
21.75 mi13:16:312:45:117:365:42
7:38
-0:33
23M
23.00 mi13:26:172:54:577:379:46
7:49
+0:11
24M
24.00 mi13:33:523:02:327:377:35
7:35
-0:14
40K
24.85 mi13:40:173:08:577:376:25
7:31
-0:04
25.2M
25.20 mi13:43:083:11:487:372:51
8:16
+0:45
FINISH
26.22 mi13:50:243:19:047:367:16
7:08
-1:08

Checkpoints & Pacing

📈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

7:08 /mi

Average Pace

7:36 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:21

89% of race

Time at Steady Pace

21:43

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:2623:067:2723:06
7:27
#12240
10K
6.21 mi11:17:3846:187:2823:12
7:29
#12412
15K
9.32 mi11:40:441:09:247:2723:06
7:27
#12328
20K
12.43 mi12:04:211:33:017:3023:37
7:37
#12458
HALF
13.11 mi12:09:321:38:127:305:11
7:37
#12518
25K
15.53 mi12:27:581:56:387:3118:26
7:37
#12463
30K
18.64 mi12:51:572:20:377:3323:59
7:44
#12234
20M
20.00 mi13:02:382:31:187:3410:41
7:52
#12191
21M
21.00 mi13:10:492:39:297:368:11
8:11
#12110
35K
21.75 mi13:16:312:45:117:365:42
7:38
#12083
23M
23.00 mi13:26:172:54:577:379:46
7:49
#11973
24M
24.00 mi13:33:523:02:327:377:35
7:35
#11881
40K
24.85 mi13:40:173:08:577:376:25
7:31
#11757
25.2M
25.20 mi13:43:083:11:487:372:51
8:16
#11699
FINISH
26.22 mi13:50:243:19:047:367:16
7:08
#11547
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi122409136913612254(Top 42%)9052(Top 55%)9052(Top 485%)
10K6.21 mi3.10 mi12412-1729185-499185-4912625(Top 44%)9250(Top 57%)9250(Top 495%)
15K9.32 mi3.11 mi12328+849138+479138+4712254(Top 42%)9052(Top 55%)9052(Top 485%)
20K12.43 mi3.11 mi12458-1309157-199157-1912833(Top 44%)9206(Top 56%)9206(Top 493%)
HALF13.11 mi0.68 mi12518-609183-269183-2613788(Top 48%)9683(Top 59%)9683(Top 518%)
25K15.53 mi2.42 mi12463+559129+549129+5412248(Top 42%)8893(Top 54%)8893(Top 476%)
30K18.64 mi3.11 mi12234+2298978+1518978+15111386(Top 39%)8383(Top 51%)8383(Top 449%)
20M20.00 mi1.36 mi12191+438934+448934+4411797(Top 41%)8462(Top 52%)8462(Top 453%)
21M21.00 mi1.00 mi12110+818878+568878+5611075(Top 38%)8013(Top 49%)8013(Top 429%)
35K21.75 mi0.75 mi12083+278860+188860+1811679(Top 40%)8276(Top 51%)8276(Top 443%)
23M23.00 mi1.25 mi11973+1108778+828778+8211043(Top 38%)7876(Top 48%)7876(Top 422%)
24M24.00 mi1.00 mi11881+928707+718707+7110717(Top 37%)7657(Top 47%)7657(Top 410%)
40K24.85 mi0.85 mi11757+1248631+768631+768879(Top 31%)6646(Top 41%)6646(Top 356%)
25.2M25.20 mi0.35 mi11699+588583+488583+489998(Top 34%)7148(Top 44%)7148(Top 383%)
FINISH26.22 mi1.02 mi11547+1528491+928491+928567(Top 30%)6357(Top 39%)6357(Top 340%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

12254

Males

9052

M50-54

9052

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12625

Males

9250

M50-54

9250

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

12254

Males

9052

M50-54

9052

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12833

Males

9206

M50-54

9206

20K→HALF

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13788

Males

9683

M50-54

9683

HALF→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

12248

Males

8893

M50-54

8893

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11386

Males

8383

M50-54

8383

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11797

Males

8462

M50-54

8462

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

11075

Males

8013

M50-54

8013

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11679

Males

8276

M50-54

8276

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

11043

Males

7876

M50-54

7876

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10717

Males

7657

M50-54

7657

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8879

Males

6646

M50-54

6646

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9998

Males

7148

M50-54

7148

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8567

Males

6357

M50-54

6357

Passing Analysis

Category:
Athletes Passed
1956
Passed By
1263
Net Change
+693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12240
5K → 10K184356-172#12240#12412
10K → 15K223139+84#12412#12328
15K → 20K119249-130#12328#12458
20K → HALF1575-60#12458#12518
HALF → 25K15196+55#12518#12463
25K → 30K30980+229#12463#12234
30K → 20M10764+43#12234#12191
20M → 21M12443+81#12191#12110
21M → 35K5730+27#12110#12083
35K → 23M15747+110#12083#11973
23M → 24M12836+92#11973#11881
24M → 40K14622+124#11881#11757
40K → 25.2M6911+58#11757#11699
25.2M → FINISH16715+152#11699#11547
TOTALS19561263+693
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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OTQ

Olympic Trials Qualifying analysis available

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing