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BOSTON MARATHON 2026

Yufeng Zhang

Bib: 5558β€’M

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°F
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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
28:44
3.11 mi
Rank: #23607
Start β†’ 5K
28:44 | 9:15/mi
10K
1:00:05
6.21 mi
Rank: #25005 (-1398)
5K β†’ 10K
31:21 | 10:06/mi
15K
1:31:50
9.32 mi
Rank: #25453 (-448)
10K β†’ 15K
31:45 | 10:14/mi
20K
2:05:24
12.43 mi
Rank: #25830 (-377)
15K β†’ 20K
33:34 | 10:49/mi
HALF
2:12:30
13.11 mi
Rank: #25869 (-39)
20K β†’ HALF
7:06 | 10:25/mi
25K
2:40:39
15.53 mi
Rank: #26194 (-325)
HALF β†’ 25K
28:09 | 11:37/mi
30K
3:19:35
18.64 mi
Rank: #26503 (-309)
25K β†’ 30K
38:56 | 12:32/mi
20M
3:36:02
20.00 mi
Rank: #26514 (-11)
30K β†’ 20M
16:27 | 12:07/mi
21M
3:50:28
21.00 mi
Rank: #26651 (-137)
20M β†’ 21M
14:26 | 14:26/mi
35K
3:59:18
21.75 mi
Rank: #26647 (+4)
21M β†’ 35K
8:50 | 11:49/mi
23M
4:14:22
23.00 mi
Rank: #26642 (+5)
35K β†’ 23M
15:04 | 12:03/mi
24M
4:26:06
24.00 mi
Rank: #26628 (+14)
23M β†’ 24M
11:44 | 11:44/mi
40K
4:36:14
24.85 mi
Rank: #26615 (+13)
24M β†’ 40K
10:08 | 11:52/mi
25.2M
4:41:14
25.20 mi
Rank: #26638 (-23)
40K β†’ 25.2M
5:00 | 14:30/mi
FINISH
4:53:57
26.22 mi
Rank: #26744 (-106)
25.2M β†’ FINISH
12:43 | 12:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:12:30
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:41:27
Pace12:19 /mi
πŸ“ŠPositive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:34:0528:449:1528:44
9:15
-
10K
6.21 mi11:05:261:00:059:4131:21
10:06
+0:51
15K
9.32 mi11:37:111:31:509:5231:45
10:14
+0:08
20K
12.43 mi12:10:452:05:2410:0633:34
10:49
+0:35
HALF
13.11 mi12:17:512:12:3010:077:06
10:25
-0:24
25K
15.53 mi12:46:002:40:3910:2128:09
11:37
+1:12
30K
18.64 mi13:24:563:19:3510:4338:56
12:32
+0:55
20M
20.00 mi13:41:233:36:0210:4916:27
12:07
-0:25
21M
21.00 mi13:55:493:50:2810:5914:26
14:26
+2:19
35K
21.75 mi14:04:393:59:1811:018:50
11:49
-2:37
23M
23.00 mi14:19:434:14:2211:0415:04
12:03
+0:14
24M
24.00 mi14:31:274:26:0611:0611:44
11:44
-0:19
40K
24.85 mi14:41:354:36:1411:0710:08
11:52
+0:08
25.2M
25.20 mi14:46:354:41:1411:105:00
14:30
+2:38
FINISH
26.22 mi14:59:184:53:5711:1412:43
12:29
-2:01

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

9:15 /mi

Average Pace

11:13 /mi

Slowest Pace

14:30 /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

2:12:30

45% of race

Time at Steady Pace

1:43:05

35% of race

Time at Slower Pace

58:22

20% of race

Average Pace: 11:13 /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 mi10:34:0528:449:1528:44
9:15
#23607
10K
6.21 mi11:05:261:00:059:4131:21
10:06
#25005
15K
9.32 mi11:37:111:31:509:5231:45
10:14
#25453
20K
12.43 mi12:10:452:05:2410:0633:34
10:49
#25830
HALF
13.11 mi12:17:512:12:3010:077:06
10:25
#25869
25K
15.53 mi12:46:002:40:3910:2128:09
11:37
#26194
30K
18.64 mi13:24:563:19:3510:4338:56
12:32
#26503
20M
20.00 mi13:41:233:36:0210:4916:27
12:07
#26514
21M
21.00 mi13:55:493:50:2810:5914:26
14:26
#26651
35K
21.75 mi14:04:393:59:1811:018:50
11:49
#26647
23M
23.00 mi14:19:434:14:2211:0415:04
12:03
#26642
24M
24.00 mi14:31:274:26:0611:0611:44
11:44
#26628
40K
24.85 mi14:41:354:36:1411:0710:08
11:52
#26615
25.2M
25.20 mi14:46:354:41:1411:105:00
14:30
#26638
FINISH
26.22 mi14:59:184:53:5711:1412:43
12:29
#26744
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23607140321403226177(Top 90%)15250(Top 93%)15250(Top 266%)
10K6.21 mi3.10 mi25005-139814731-69914731-69926065(Top 90%)15205(Top 93%)15205(Top 266%)
15K9.32 mi3.11 mi25453-44814928-19714928-19726177(Top 90%)15250(Top 93%)15250(Top 266%)
20K12.43 mi3.11 mi25830-37715117-18915117-18926694(Top 92%)15446(Top 95%)15446(Top 270%)
HALF13.11 mi0.68 mi25869-3915126-915126-926499(Top 91%)15345(Top 94%)15345(Top 268%)
25K15.53 mi2.42 mi26194-32515246-12015246-12027139(Top 94%)15590(Top 95%)15590(Top 272%)
30K18.64 mi3.11 mi26503-30915348-10215348-10227322(Top 94%)15586(Top 95%)15586(Top 272%)
20M20.00 mi1.36 mi26514-1115345+315345+326550(Top 91%)15179(Top 93%)15179(Top 265%)
21M21.00 mi1.00 mi26651-13715397-5215397-5227683(Top 95%)15681(Top 96%)15681(Top 274%)
35K21.75 mi0.75 mi26647+415392+515392+526506(Top 91%)15110(Top 92%)15110(Top 264%)
23M23.00 mi1.25 mi26642+515380+1215380+1226173(Top 90%)14927(Top 91%)14927(Top 261%)
24M24.00 mi1.00 mi26628+1415358+2215358+2226249(Top 90%)14910(Top 91%)14910(Top 261%)
40K24.85 mi0.85 mi26615+1315345+1315345+1325655(Top 88%)14593(Top 89%)14593(Top 255%)
25.2M25.20 mi0.35 mi26638-2315348-315348-327603(Top 95%)15573(Top 95%)15573(Top 272%)
FINISH26.22 mi1.02 mi26744-10615386-3815386-3827877(Top 96%)15720(Top 96%)15720(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
Γ—21
+97ft-345ft

Overall

26177

Males

15250

M18-39

15250

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26065

Males

15205

M18-39

15205

10K→15K

6.2 - 9.3 mi

Top 90%
Γ—3
+67ft-78ft

Overall

26177

Males

15250

M18-39

15250

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26694

Males

15446

M18-39

15446

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26499

Males

15345

M18-39

15345

HALF→25K

13.1 - 15.5 mi

Top 94%
Γ—4
+66ft-88ft

Overall

27139

Males

15590

M18-39

15590

25K→30K

15.5 - 18.6 mi

Top 94%
Γ—9
+181ft-148ft

Overall

27322

Males

15586

M18-39

15586

30K→20M

18.6 - 20.0 mi

Top 91%
Γ—5
+64ft-50ft

Overall

26550

Males

15179

M18-39

15179

20M→21M

20.0 - 21.0 mi

Top 95%
Γ—8
+106ft-24ft

Overall

27683

Males

15681

M18-39

15681

21M→35K

21.0 - 21.8 mi

Top 91%
Γ—7
+17ft-86ft

Overall

26506

Males

15110

M18-39

15110

35K→23M

21.8 - 23.0 mi

Top 90%
Γ—5
+23ft-63ft

Overall

26173

Males

14927

M18-39

14927

23M→24M

23.0 - 24.0 mi

Top 90%
Γ—6
+12ft-82ft

Overall

26249

Males

14910

M18-39

14910

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25655

Males

14593

M18-39

14593

40K→25.2M

24.9 - 25.2 mi

Top 95%
Γ—1
+13ft-16ft

Overall

27603

Males

15573

M18-39

15573

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
Γ—2
+22ft-21ft

Overall

27877

Males

15720

M18-39

15720

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
378
Passed By
1518
Net Change
-3137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23607
5K β†’ 10K11200-1398#23607#25005
10K β†’ 15K35200-448#25005#25453
15K β†’ 20K37200-377#25453#25830
20K β†’ HALF1453-39#25830#25869
HALF β†’ 25K20200-325#25869#26194
25K β†’ 30K37200-309#26194#26503
30K β†’ 20M4758-11#26503#26514
20M β†’ 21M15152-137#26514#26651
21M β†’ 35K3127+4#26651#26647
35K β†’ 23M4237+5#26647#26642
23M β†’ 24M4430+14#26642#26628
24M β†’ 40K3219+13#26628#26615
40K β†’ 25.2M427-23#26615#26638
25.2M β†’ FINISH9115-106#26638#26744
TOTALS3781518-3137
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing