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BOSTON MARATHON 2026

Shengxi Duan

Bib: 8893β€’M

IL

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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%
Age Group (M55-59)
#0 / 1491
Top 27%
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
21:56
3.11 mi
Rank: #9048
Start β†’ 5K
21:56 | 7:04/mi
10K
44:21
6.21 mi
Rank: #9638 (-590)
5K β†’ 10K
22:25 | 7:13/mi
15K
1:06:58
9.32 mi
Rank: #10005 (-367)
10K β†’ 15K
22:37 | 7:17/mi
20K
1:30:25
12.43 mi
Rank: #10562 (-557)
15K β†’ 20K
23:27 | 7:33/mi
HALF
1:35:24
13.11 mi
Rank: #10591 (-29)
20K β†’ HALF
4:59 | 7:19/mi
25K
1:53:48
15.53 mi
Rank: #10832 (-241)
HALF β†’ 25K
18:24 | 7:36/mi
30K
2:17:56
18.64 mi
Rank: #10995 (-163)
25K β†’ 30K
24:08 | 7:47/mi
20M
2:28:39
20.00 mi
Rank: #11084 (-89)
30K β†’ 20M
10:43 | 7:54/mi
21M
2:37:11
21.00 mi
Rank: #11178 (-94)
20M β†’ 21M
8:32 | 8:32/mi
35K
2:43:10
21.75 mi
Rank: #11264 (-86)
21M β†’ 35K
5:59 | 8:00/mi
23M
2:53:11
23.00 mi
Rank: #11312 (-48)
35K β†’ 23M
10:01 | 8:01/mi
24M
3:01:01
24.00 mi
Rank: #11312
23M β†’ 24M
7:50 | 7:50/mi
40K
3:07:55
24.85 mi
Rank: #11372 (-60)
24M β†’ 40K
6:54 | 8:05/mi
25.2M
3:11:00
25.20 mi
Rank: #11409 (-37)
40K β†’ 25.2M
3:05 | 8:57/mi
FINISH
3:18:59
26.22 mi
Rank: #11515 (-106)
25.2M β†’ FINISH
7:59 | 7:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:24
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:43:35
Pace7:55 /mi
πŸ“ŠPositive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:2521:567:0421:56
7:04
-
10K
6.21 mi10:59:5044:217:0922:25
7:13
+0:09
15K
9.32 mi11:22:271:06:587:1222:37
7:17
+0:04
20K
12.43 mi11:45:541:30:257:1723:27
7:33
+0:16
HALF
13.11 mi11:50:531:35:247:174:59
7:19
-0:14
25K
15.53 mi12:09:171:53:487:2018:24
7:36
+0:17
30K
18.64 mi12:33:252:17:567:2424:08
7:47
+0:11
20M
20.00 mi12:44:082:28:397:2610:43
7:54
+0:07
21M
21.00 mi12:52:402:37:117:308:32
8:32
+0:38
35K
21.75 mi12:58:392:43:107:315:59
8:00
-0:32
23M
23.00 mi13:08:402:53:117:3210:01
8:01
+0:01
24M
24.00 mi13:16:303:01:017:337:50
7:50
-0:11
40K
24.85 mi13:23:243:07:557:346:54
8:05
+0:15
25.2M
25.20 mi13:26:293:11:007:353:05
8:57
+0:52
FINISH
26.22 mi13:34:283:18:597:367:59
7:51
-1:06

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

7:04 /mi

Average Pace

7:36 /mi

Slowest Pace

8:57 /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

1:35:24

48% of race

Time at Steady Pace

1:25:04

43% of race

Time at Slower Pace

18:31

9% of race

Average Pace: 7:35 /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 mi10:37:2521:567:0421:56
7:04
#9048
10K
6.21 mi10:59:5044:217:0922:25
7:13
#9638
15K
9.32 mi11:22:271:06:587:1222:37
7:17
#10005
20K
12.43 mi11:45:541:30:257:1723:27
7:33
#10562
HALF
13.11 mi11:50:531:35:247:174:59
7:19
#10591
25K
15.53 mi12:09:171:53:487:2018:24
7:36
#10832
30K
18.64 mi12:33:252:17:567:2424:08
7:47
#10995
20M
20.00 mi12:44:082:28:397:2610:43
7:54
#11084
21M
21.00 mi12:52:402:37:117:308:32
8:32
#11178
35K
21.75 mi12:58:392:43:107:315:59
8:00
#11264
23M
23.00 mi13:08:402:53:117:3210:01
8:01
#11312
24M
24.00 mi13:16:303:01:017:337:50
7:50
#11312
40K
24.85 mi13:23:243:07:557:346:54
8:05
#11372
25.2M
25.20 mi13:26:293:11:007:353:05
8:57
#11409
FINISH
26.22 mi13:34:283:18:597:367:59
7:51
#11515
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 mi90487580758010851(Top 37%)8418(Top 52%)8418(Top 565%)
10K6.21 mi3.10 mi9638-5907895-3157895-31510395(Top 36%)8261(Top 51%)8261(Top 554%)
15K9.32 mi3.11 mi10005-3678062-1678062-16710851(Top 37%)8418(Top 52%)8418(Top 565%)
20K12.43 mi3.11 mi10562-5578284-2228284-22212370(Top 43%)9011(Top 55%)9011(Top 604%)
HALF13.11 mi0.68 mi10591-298299-158299-1511232(Top 39%)8598(Top 53%)8598(Top 577%)
25K15.53 mi2.42 mi10832-2418380-818380-8112131(Top 42%)8842(Top 54%)8842(Top 593%)
30K18.64 mi3.11 mi10995-1638408-288408-2811718(Top 40%)8523(Top 52%)8523(Top 572%)
20M20.00 mi1.36 mi11084-898431-238431-2311991(Top 41%)8552(Top 52%)8552(Top 574%)
21M21.00 mi1.00 mi11178-948456-258456-2513299(Top 46%)9034(Top 55%)9034(Top 606%)
35K21.75 mi0.75 mi11264-868495-398495-3914422(Top 50%)9491(Top 58%)9491(Top 637%)
23M23.00 mi1.25 mi11312-488482+138482+1312449(Top 43%)8561(Top 52%)8561(Top 574%)
24M24.00 mi1.00 mi113128469+138469+1312528(Top 43%)8487(Top 52%)8487(Top 569%)
40K24.85 mi0.85 mi11372-608459+108459+1012937(Top 45%)8592(Top 53%)8592(Top 576%)
25.2M25.20 mi0.35 mi11409-378463-48463-414278(Top 49%)9163(Top 56%)9163(Top 615%)
FINISH26.22 mi1.02 mi11515-1068469-68469-613984(Top 48%)9023(Top 55%)9023(Top 605%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
Γ—21
+97ft-345ft

Overall

10851

Males

8418

M55-59

8418

5K→10K

3.1 - 6.2 mi

Top 36%
Γ—5
+79ft-138ft

Overall

10395

Males

8261

M55-59

8261

10K→15K

6.2 - 9.3 mi

Top 37%
Γ—3
+67ft-78ft

Overall

10851

Males

8418

M55-59

8418

15K→20K

9.3 - 12.4 mi

Top 43%
Γ—5
+106ft-86ft

Overall

12370

Males

9011

M55-59

9011

20K→HALF

12.4 - 13.1 mi

Top 39%
Γ—2
+19ft-37ft

Overall

11232

Males

8598

M55-59

8598

HALF→25K

13.1 - 15.5 mi

Top 42%
Γ—4
+66ft-88ft

Overall

12131

Males

8842

M55-59

8842

25K→30K

15.5 - 18.6 mi

Top 40%
Γ—9
+181ft-148ft

Overall

11718

Males

8523

M55-59

8523

30K→20M

18.6 - 20.0 mi

Top 41%
Γ—5
+64ft-50ft

Overall

11991

Males

8552

M55-59

8552

20M→21M

20.0 - 21.0 mi

Top 46%
Γ—8
+106ft-24ft

Overall

13299

Males

9034

M55-59

9034

21M→35K

21.0 - 21.8 mi

Top 50%
Γ—7
+17ft-86ft

Overall

14422

Males

9491

M55-59

9491

35K→23M

21.8 - 23.0 mi

Top 43%
Γ—5
+23ft-63ft

Overall

12449

Males

8561

M55-59

8561

23M→24M

23.0 - 24.0 mi

Top 43%
Γ—6
+12ft-82ft

Overall

12528

Males

8487

M55-59

8487

24M→40K

24.0 - 24.9 mi

Top 45%
Γ—1
+6ft-20ft

Overall

12937

Males

8592

M55-59

8592

40K→25.2M

24.9 - 25.2 mi

Top 49%
Γ—1
+13ft-16ft

Overall

14278

Males

9163

M55-59

9163

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
Γ—2
+22ft-21ft

Overall

13984

Males

9023

M55-59

9023

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
894
Passed By
2042
Net Change
-2467
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#9048
5K β†’ 10K67200-590#9048#9638
10K β†’ 15K71200-367#9638#10005
15K β†’ 20K46200-557#10005#10562
20K β†’ HALF2554-29#10562#10591
HALF β†’ 25K80200-241#10591#10832
25K β†’ 30K137200-163#10832#10995
30K β†’ 20M65154-89#10995#11084
20M β†’ 21M71165-94#11084#11178
21M β†’ 35K28114-86#11178#11264
35K β†’ 23M92140-48#11264#11312
23M β†’ 24M85850#11312#11312
24M β†’ 40K62122-60#11312#11372
40K β†’ 25.2M1855-37#11372#11409
25.2M β†’ FINISH47153-106#11409#11515
TOTALS8942042-2467
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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing