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BOSTON MARATHON 2026

Zhen Yu Deng

Bib: 14505•M

ON

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 31%
Gender (Male)
#0 / 16340
Top 44%
Masters (Masters Men)
#0 / 10617
Top 31%
Age Group (M50-54)
#0 / 1868
Top 29%
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
22:45
3.11 mi
Rank: #11231
Start → 5K
22:45 | 7:20/mi
10K
45:07
6.21 mi
Rank: #10736 (+495)
5K → 10K
22:22 | 7:12/mi
15K
1:07:25
9.32 mi
Rank: #10442 (+294)
10K → 15K
22:18 | 7:11/mi
20K
1:29:43
12.43 mi
Rank: #10059 (+383)
15K → 20K
22:18 | 7:11/mi
HALF
1:34:33
13.11 mi
Rank: #10012 (+47)
20K → HALF
4:50 | 7:06/mi
25K
1:52:05
15.53 mi
Rank: #9849 (+163)
HALF → 25K
17:32 | 7:14/mi
30K
2:15:11
18.64 mi
Rank: #9663 (+186)
25K → 30K
23:06 | 7:27/mi
20M
2:25:24
20.00 mi
Rank: #9614 (+49)
30K → 20M
10:13 | 7:32/mi
21M
2:33:12
21.00 mi
Rank: #9512 (+102)
20M → 21M
7:48 | 7:48/mi
35K
2:38:35
21.75 mi
Rank: #9426 (+86)
21M → 35K
5:23 | 7:12/mi
23M
2:47:45
23.00 mi
Rank: #9250 (+176)
35K → 23M
9:10 | 7:20/mi
24M
2:54:50
24.00 mi
Rank: #9106 (+144)
23M → 24M
7:05 | 7:05/mi
40K
3:01:04
24.85 mi
Rank: #9007 (+99)
24M → 40K
6:14 | 7:18/mi
25.2M
3:03:47
25.20 mi
Rank: #8946 (+61)
40K → 25.2M
2:43 | 7:53/mi
FINISH
3:10:58
26.22 mi
Rank: #8874 (+72)
25.2M → FINISH
7:11 | 7:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:36:25
Pace7:22 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0722:457:2022:45
7:20
-
10K
6.21 mi11:15:2945:077:1622:22
7:12
-0:08
15K
9.32 mi11:37:471:07:257:1422:18
7:11
-0:01
20K
12.43 mi12:00:051:29:437:1422:18
7:11
0:00
HALF
13.11 mi12:04:551:34:337:134:50
7:06
-0:05
25K
15.53 mi12:22:271:52:057:1317:32
7:14
+0:08
30K
18.64 mi12:45:332:15:117:1623:06
7:27
+0:13
20M
20.00 mi12:55:462:25:247:1710:13
7:32
+0:05
21M
21.00 mi13:03:342:33:127:187:48
7:48
+0:16
35K
21.75 mi13:08:572:38:357:185:23
7:12
-0:36
23M
23.00 mi13:18:072:47:457:189:10
7:20
+0:08
24M
24.00 mi13:25:122:54:507:187:05
7:05
-0:15
40K
24.85 mi13:31:263:01:047:186:14
7:18
+0:13
25.2M
25.20 mi13:34:093:03:477:182:43
7:53
+0:35
FINISH
26.22 mi13:41:203:10:587:187:11
7:03
-0:50

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

7:03 /mi

Average Pace

7:17 /mi

Slowest Pace

7:53 /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

3:00:27

94% of race

Time at Steady Pace

10:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi10:53:0722:457:2022:45
7:20
#11231
10K
6.21 mi11:15:2945:077:1622:22
7:12
#10736
15K
9.32 mi11:37:471:07:257:1422:18
7:11
#10442
20K
12.43 mi12:00:051:29:437:1422:18
7:11
#10059
HALF
13.11 mi12:04:551:34:337:134:50
7:06
#10012
25K
15.53 mi12:22:271:52:057:1317:32
7:14
#9849
30K
18.64 mi12:45:332:15:117:1623:06
7:27
#9663
20M
20.00 mi12:55:462:25:247:1710:13
7:32
#9614
21M
21.00 mi13:03:342:33:127:187:48
7:48
#9512
35K
21.75 mi13:08:572:38:357:185:23
7:12
#9426
23M
23.00 mi13:18:072:47:457:189:10
7:20
#9250
24M
24.00 mi13:25:122:54:507:187:05
7:05
#9106
40K
24.85 mi13:31:263:01:047:186:14
7:18
#9007
25.2M
25.20 mi13:34:093:03:477:182:43
7:53
#8946
FINISH
26.22 mi13:41:203:10:587:187:11
7:03
#8874
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11231870287029919(Top 34%)7979(Top 49%)7979(Top 427%)
10K6.21 mi3.10 mi10736+4958434+2688434+26810248(Top 35%)8182(Top 50%)8182(Top 438%)
15K9.32 mi3.11 mi10442+2948271+1638271+1639919(Top 34%)7979(Top 49%)7979(Top 427%)
20K12.43 mi3.11 mi10059+3838048+2238048+2239167(Top 32%)7508(Top 46%)7508(Top 402%)
HALF13.11 mi0.68 mi10012+478020+288020+289316(Top 32%)7630(Top 47%)7630(Top 408%)
25K15.53 mi2.42 mi9849+1637920+1007920+1009102(Top 31%)7380(Top 45%)7380(Top 395%)
30K18.64 mi3.11 mi9663+1867760+1607760+1609109(Top 31%)7236(Top 44%)7236(Top 387%)
20M20.00 mi1.36 mi9614+497719+417719+419251(Top 32%)7192(Top 44%)7192(Top 385%)
21M21.00 mi1.00 mi9512+1027635+847635+848501(Top 29%)6660(Top 41%)6660(Top 357%)
35K21.75 mi0.75 mi9426+867579+567579+568501(Top 29%)6694(Top 41%)6694(Top 358%)
23M23.00 mi1.25 mi9250+1767445+1347445+1347628(Top 26%)6139(Top 38%)6139(Top 329%)
24M24.00 mi1.00 mi9106+1447332+1137332+1137056(Top 24%)5725(Top 35%)5725(Top 306%)
40K24.85 mi0.85 mi9007+997256+767256+767356(Top 25%)5813(Top 36%)5813(Top 311%)
25.2M25.20 mi0.35 mi8946+617196+607196+607540(Top 26%)5871(Top 36%)5871(Top 314%)
FINISH26.22 mi1.02 mi8874+727139+577139+577944(Top 27%)6017(Top 37%)6017(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9919

Males

7979

M50-54

7979

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10248

Males

8182

M50-54

8182

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9919

Males

7979

M50-54

7979

15K→20K

9.3 - 12.4 mi

Top 32%
×5
+106ft-86ft

Overall

9167

Males

7508

M50-54

7508

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9316

Males

7630

M50-54

7630

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9102

Males

7380

M50-54

7380

25K→30K

15.5 - 18.6 mi

Top 31%
×9
+181ft-148ft

Overall

9109

Males

7236

M50-54

7236

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9251

Males

7192

M50-54

7192

20M→21M

20.0 - 21.0 mi

Top 29%
×8
+106ft-24ft

Overall

8501

Males

6660

M50-54

6660

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8501

Males

6694

M50-54

6694

35K→23M

21.8 - 23.0 mi

Top 26%
×5
+23ft-63ft

Overall

7628

Males

6139

M50-54

6139

23M→24M

23.0 - 24.0 mi

Top 24%
×6
+12ft-82ft

Overall

7056

Males

5725

M50-54

5725

24M→40K

24.0 - 24.9 mi

Top 25%
×1
+6ft-20ft

Overall

7356

Males

5813

M50-54

5813

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1
+13ft-16ft

Overall

7540

Males

5871

M50-54

5871

25.2M→FINISH

25.2 - 26.2 mi

Top 27%
×2
+22ft-21ft

Overall

7944

Males

6017

M50-54

6017

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2806*
Passed By
448
Net Change
+2357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11231
5K → 10K58185+495#11231#10736
10K → 15K33339+294#10736#10442
15K → 20K40522+383#10442#10059
20K → HALF5811+47#10059#10012
HALF → 25K196*33+163#10012#9849
25K → 30K27589+186#9849#9663
30K → 20M9748+49#9663#9614
20M → 21M13634+102#9614#9512
21M → 35K9913+86#9512#9426
35K → 23M19115+176#9426#9250
23M → 24M1528+144#9250#9106
24M → 40K11314+99#9106#9007
40K → 25.2M676+61#9007#8946
25.2M → FINISH10331+72#8946#8874
TOTALS2806*448+2357

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing