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BOSTON MARATHON 2026

Peng Du

Bib: 15455•M

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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 (M50-54)
#0 / 1868
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
22:50
3.11 mi
Rank: #11480
Start → 5K
22:50 | 7:21/mi
10K
46:14
6.21 mi
Rank: #12322 (-842)
5K → 10K
23:24 | 7:32/mi
15K
1:09:32
9.32 mi
Rank: #12473 (-151)
10K → 15K
23:18 | 7:30/mi
20K
1:33:07
12.43 mi
Rank: #12533 (-60)
15K → 20K
23:35 | 7:36/mi
HALF
1:38:15
13.11 mi
Rank: #12558 (-25)
20K → HALF
5:08 | 7:32/mi
25K
1:57:22
15.53 mi
Rank: #12884 (-326)
HALF → 25K
19:07 | 7:53/mi
30K
2:23:56
18.64 mi
Rank: #13688 (-804)
25K → 30K
26:34 | 8:34/mi
20M
2:36:33
20.00 mi
Rank: #14332 (-644)
30K → 20M
12:37 | 9:18/mi
21M
2:47:12
21.00 mi
Rank: #15049 (-717)
20M → 21M
10:39 | 10:39/mi
35K
2:54:13
21.75 mi
Rank: #15383 (-334)
21M → 35K
7:01 | 9:23/mi
23M
3:07:01
23.00 mi
Rank: #16060 (-677)
35K → 23M
12:48 | 10:14/mi
24M
3:17:21
24.00 mi
Rank: #16612 (-552)
23M → 24M
10:20 | 10:20/mi
40K
3:26:56
24.85 mi
Rank: #17155 (-543)
24M → 40K
9:35 | 11:13/mi
25.2M
3:30:53
25.20 mi
Rank: #17330 (-175)
40K → 25.2M
3:57 | 11:28/mi
FINISH
3:40:50
26.22 mi
Rank: #17658 (-328)
25.2M → FINISH
9:57 | 9:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:15
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time2:02:35
Pace9:22 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2822:507:2122:50
7:21
-
10K
6.21 mi11:17:5246:147:2723:24
7:32
+0:11
15K
9.32 mi11:41:101:09:327:2823:18
7:30
-0:02
20K
12.43 mi12:04:451:33:077:3023:35
7:36
+0:06
HALF
13.11 mi12:09:531:38:157:305:08
7:32
-0:04
25K
15.53 mi12:29:001:57:227:3419:07
7:53
+0:21
30K
18.64 mi12:55:342:23:567:4426:34
8:34
+0:41
20M
20.00 mi13:08:112:36:337:5012:37
9:18
+0:44
21M
21.00 mi13:18:502:47:127:5810:39
10:39
+1:21
35K
21.75 mi13:25:512:54:138:017:01
9:23
-1:16
23M
23.00 mi13:38:393:07:018:0812:48
10:14
+0:51
24M
24.00 mi13:48:593:17:218:1410:20
10:20
+0:06
40K
24.85 mi13:58:343:26:568:209:35
11:13
+0:53
25.2M
25.20 mi14:02:313:30:538:233:57
11:28
+0:15
FINISH
26.22 mi14:12:283:40:508:269:57
9:46
-1:42

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

7:21 /mi

Average Pace

8:26 /mi

Slowest Pace

11:28 /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

2:23:56

65% of race

Time at Steady Pace

29:35

13% of race

Time at Slower Pace

47:19

21% of race

Average Pace: 8:25 /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 mi10:54:2822:507:2122:50
7:21
#11480
10K
6.21 mi11:17:5246:147:2723:24
7:32
#12322
15K
9.32 mi11:41:101:09:327:2823:18
7:30
#12473
20K
12.43 mi12:04:451:33:077:3023:35
7:36
#12533
HALF
13.11 mi12:09:531:38:157:305:08
7:32
#12558
25K
15.53 mi12:29:001:57:227:3419:07
7:53
#12884
30K
18.64 mi12:55:342:23:567:4426:34
8:34
#13688
20M
20.00 mi13:08:112:36:337:5012:37
9:18
#14332
21M
21.00 mi13:18:502:47:127:5810:39
10:39
#15049
35K
21.75 mi13:25:512:54:138:017:01
9:23
#15383
23M
23.00 mi13:38:393:07:018:0812:48
10:14
#16060
24M
24.00 mi13:48:593:17:218:1410:20
10:20
#16612
40K
24.85 mi13:58:343:26:568:209:35
11:13
#17155
25.2M
25.20 mi14:02:313:30:538:233:57
11:28
#17330
FINISH
26.22 mi14:12:283:40:508:269:57
9:46
#17658
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 mi114808813881312800(Top 44%)9304(Top 57%)9304(Top 498%)
10K6.21 mi3.10 mi12322-8429154-3419154-34113221(Top 46%)9509(Top 58%)9509(Top 509%)
15K9.32 mi3.11 mi12473-1519195-419195-4112800(Top 44%)9304(Top 57%)9304(Top 498%)
20K12.43 mi3.11 mi12533-609193+29193+212748(Top 44%)9185(Top 56%)9185(Top 492%)
HALF13.11 mi0.68 mi12558-259202-99202-913258(Top 46%)9503(Top 58%)9503(Top 509%)
25K15.53 mi2.42 mi12884-3269303-1019303-10114466(Top 50%)9865(Top 60%)9865(Top 528%)
30K18.64 mi3.11 mi13688-8049614-3119614-31117195(Top 59%)10920(Top 67%)10920(Top 585%)
20M20.00 mi1.36 mi14332-6449856-2429856-24220224(Top 70%)12213(Top 75%)12213(Top 654%)
21M21.00 mi1.00 mi15049-71710100-24410100-24422290(Top 77%)13158(Top 81%)13158(Top 704%)
35K21.75 mi0.75 mi15383-33410228-12810228-12821387(Top 74%)12663(Top 77%)12663(Top 678%)
23M23.00 mi1.25 mi16060-67710474-24610474-24622718(Top 78%)13256(Top 81%)13256(Top 710%)
24M24.00 mi1.00 mi16612-55210708-23410708-23423678(Top 82%)13695(Top 84%)13695(Top 733%)
40K24.85 mi0.85 mi17155-54310912-20410912-20424635(Top 85%)14083(Top 86%)14083(Top 754%)
25.2M25.20 mi0.35 mi17330-17510982-7010982-7023365(Top 81%)13461(Top 82%)13461(Top 721%)
FINISH26.22 mi1.02 mi17658-32811098-11611098-11623164(Top 80%)13380(Top 82%)13380(Top 716%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12800

Males

9304

M50-54

9304

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13221

Males

9509

M50-54

9509

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12800

Males

9304

M50-54

9304

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12748

Males

9185

M50-54

9185

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13258

Males

9503

M50-54

9503

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14466

Males

9865

M50-54

9865

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17195

Males

10920

M50-54

10920

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20224

Males

12213

M50-54

12213

20M→21M

20.0 - 21.0 mi

Top 77%
×8
+106ft-24ft

Overall

22290

Males

13158

M50-54

13158

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21387

Males

12663

M50-54

12663

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22718

Males

13256

M50-54

13256

23M→24M

23.0 - 24.0 mi

Top 82%
×6
+12ft-82ft

Overall

23678

Males

13695

M50-54

13695

24M→40K

24.0 - 24.9 mi

Top 85%
×1
+6ft-20ft

Overall

24635

Males

14083

M50-54

14083

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1
+13ft-16ft

Overall

23365

Males

13461

M50-54

13461

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23164

Males

13380

M50-54

13380

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
559
Passed By
6736
Net Change
-6178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11480
5K → 10K53894-842#11480#12322
10K → 15K147298-151#12322#12473
15K → 20K136196-60#12473#12533
20K → HALF1641-25#12533#12558
HALF → 25K59385-326#12558#12884
25K → 30K48852-804#12884#13688
30K → 20M19663-644#13688#14332
20M → 21M18735-717#14332#15049
21M → 35K23357-334#15049#15383
35K → 23M12689-677#15383#16060
23M → 24M3555-552#16060#16612
24M → 40K10553-543#16612#17155
40K → 25.2M7182-175#17155#17330
25.2M → FINISH8336-328#17330#17658
TOTALS5596736-6178
📊

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