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BOSTON MARATHON 2026

Weijian Chen

Bib: 25794 β€’M β€’Age: N/A

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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 (M70-74)
#0 / 281
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
28:22
3.11 mi
Rank: #23203
Start β†’ 5K
28:22 | 9:08/mi
10K
57:39
6.21 mi
Rank: #23825 (-622)
5K β†’ 10K
29:17 | 9:26/mi
15K
1:27:47
9.32 mi
Rank: #24278 (-453)
10K β†’ 15K
30:08 | 9:42/mi
20K
1:59:47
12.43 mi
Rank: #24683 (-405)
15K β†’ 20K
32:00 | 10:18/mi
HALF
2:06:38
13.11 mi
Rank: #24754 (-71)
20K β†’ HALF
6:51 | 10:03/mi
25K
2:32:17
15.53 mi
Rank: #24917 (-163)
HALF β†’ 25K
25:39 | 10:35/mi
30K
3:08:21
18.64 mi
Rank: #25218 (-301)
25K β†’ 30K
36:04 | 11:37/mi
20M
3:24:13
20.00 mi
Rank: #25295 (-77)
30K β†’ 20M
15:52 | 11:41/mi
21M
3:37:23
21.00 mi
Rank: #25415 (-120)
20M β†’ 21M
13:10 | 13:10/mi
35K
3:45:41
21.75 mi
Rank: #25441 (-26)
21M β†’ 35K
8:18 | 11:06/mi
23M
3:59:53
23.00 mi
Rank: #25424 (+17)
35K β†’ 23M
14:12 | 11:21/mi
24M
4:11:03
24.00 mi
Rank: #25427 (-3)
23M β†’ 24M
11:10 | 11:10/mi
40K
4:20:38
24.85 mi
Rank: #25377 (+50)
24M β†’ 40K
9:35 | 11:13/mi
25.2M
4:25:23
25.20 mi
Rank: #25417 (-40)
40K β†’ 25.2M
4:45 | 13:47/mi
FINISH
4:36:34
26.22 mi
Rank: #25467 (-50)
25.2M β†’ FINISH
11:11 | 10:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:06:38
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:29:56
Pace11:27 /mi
πŸ“ŠPositive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:0828:229:0828:22
9:08
-
10K
6.21 mi12:04:2557:399:1729:17
9:26
+0:18
15K
9.32 mi12:34:331:27:479:2630:08
9:42
+0:16
20K
12.43 mi13:06:331:59:479:3932:00
10:18
+0:36
HALF
13.11 mi13:13:242:06:389:406:51
10:03
-0:15
25K
15.53 mi13:39:032:32:179:4925:39
10:35
+0:32
30K
18.64 mi14:15:073:08:2110:0736:04
11:37
+1:02
20M
20.00 mi14:30:593:24:1310:1315:52
11:41
+0:04
21M
21.00 mi14:44:093:37:2310:2213:10
13:10
+1:29
35K
21.75 mi14:52:273:45:4110:238:18
11:06
-2:04
23M
23.00 mi15:06:393:59:5310:2614:12
11:21
+0:15
24M
24.00 mi15:17:494:11:0310:2811:10
11:10
-0:11
40K
24.85 mi15:27:244:20:3810:309:35
11:13
+0:03
25.2M
25.20 mi15:32:094:25:2310:324:45
13:47
+2:34
FINISH
26.22 mi15:43:204:36:3410:3411:11
10:59
-2:48

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

9:08 /mi

Average Pace

10:33 /mi

Slowest Pace

13:47 /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

2:06:38

46% of race

Time at Steady Pace

2:12:01

48% of race

Time at Slower Pace

17:55

6% of race

Average Pace: 10:33 /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 mi11:35:0828:229:0828:22
9:08
#23203
10K
6.21 mi12:04:2557:399:1729:17
9:26
#23825
15K
9.32 mi12:34:331:27:479:2630:08
9:42
#24278
20K
12.43 mi13:06:331:59:479:3932:00
10:18
#24683
HALF
13.11 mi13:13:242:06:389:406:51
10:03
#24754
25K
15.53 mi13:39:032:32:179:4925:39
10:35
#24917
30K
18.64 mi14:15:073:08:2110:0736:04
11:37
#25218
20M
20.00 mi14:30:593:24:1310:1315:52
11:41
#25295
21M
21.00 mi14:44:093:37:2310:2213:10
13:10
#25415
35K
21.75 mi14:52:273:45:4110:238:18
11:06
#25441
23M
23.00 mi15:06:393:59:5310:2614:12
11:21
#25424
24M
24.00 mi15:17:494:11:0310:2811:10
11:10
#25427
40K
24.85 mi15:27:244:20:3810:309:35
11:13
#25377
25.2M
25.20 mi15:32:094:25:2310:324:45
13:47
#25417
FINISH
26.22 mi15:43:204:36:3410:3411:11
10:59
#25467
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi23203138391383924954(Top 86%)14703(Top 90%)14703(Top 5232%)
10K6.21 mi3.10 mi23825-62214160-32114160-32124352(Top 84%)14421(Top 88%)14421(Top 5132%)
15K9.32 mi3.11 mi24278-45314400-24014400-24024954(Top 86%)14703(Top 90%)14703(Top 5232%)
20K12.43 mi3.11 mi24683-40514575-17514575-17525703(Top 89%)15016(Top 92%)15016(Top 5344%)
HALF13.11 mi0.68 mi24754-7114607-3214607-3225783(Top 89%)15040(Top 92%)15040(Top 5352%)
25K15.53 mi2.42 mi24917-16314681-7414681-7425596(Top 88%)14932(Top 91%)14932(Top 5314%)
30K18.64 mi3.11 mi25218-30114778-9714778-9726265(Top 91%)15125(Top 93%)15125(Top 5383%)
20M20.00 mi1.36 mi25295-7714803-2514803-2525959(Top 89%)14901(Top 91%)14901(Top 5303%)
21M21.00 mi1.00 mi25415-12014845-4214845-4226551(Top 91%)15147(Top 93%)15147(Top 5390%)
35K21.75 mi0.75 mi25441-2614842+314842+325419(Top 88%)14592(Top 89%)14592(Top 5193%)
23M23.00 mi1.25 mi25424+1714816+2614816+2625166(Top 87%)14419(Top 88%)14419(Top 5131%)
24M24.00 mi1.00 mi25427-314800+1614800+1625405(Top 88%)14508(Top 89%)14508(Top 5163%)
40K24.85 mi0.85 mi25377+5014765+3514765+3524653(Top 85%)14101(Top 86%)14101(Top 5018%)
25.2M25.20 mi0.35 mi25417-4014776-1114776-1126979(Top 93%)15267(Top 93%)15267(Top 5433%)
FINISH26.22 mi1.02 mi25467-5014788-1214788-1226070(Top 90%)14798(Top 91%)14798(Top 5266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
Γ—21
+97ft-345ft

Overall

24954

Males

14703

M70-74

14703

5K→10K

3.1 - 6.2 mi

Top 84%
Γ—5
+79ft-138ft

Overall

24352

Males

14421

M70-74

14421

10K→15K

6.2 - 9.3 mi

Top 86%
Γ—3
+67ft-78ft

Overall

24954

Males

14703

M70-74

14703

15K→20K

9.3 - 12.4 mi

Top 89%
Γ—5
+106ft-86ft

Overall

25703

Males

15016

M70-74

15016

20K→HALF

12.4 - 13.1 mi

Top 89%
Γ—2
+19ft-37ft

Overall

25783

Males

15040

M70-74

15040

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25596

Males

14932

M70-74

14932

25K→30K

15.5 - 18.6 mi

Top 91%
Γ—9
+181ft-148ft

Overall

26265

Males

15125

M70-74

15125

30K→20M

18.6 - 20.0 mi

Top 89%
Γ—5
+64ft-50ft

Overall

25959

Males

14901

M70-74

14901

20M→21M

20.0 - 21.0 mi

Top 91%
Γ—8
+106ft-24ft

Overall

26551

Males

15147

M70-74

15147

21M→35K

21.0 - 21.8 mi

Top 88%
Γ—7
+17ft-86ft

Overall

25419

Males

14592

M70-74

14592

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25166

Males

14419

M70-74

14419

23M→24M

23.0 - 24.0 mi

Top 88%
Γ—6
+12ft-82ft

Overall

25405

Males

14508

M70-74

14508

24M→40K

24.0 - 24.9 mi

Top 85%
Γ—1
+6ft-20ft

Overall

24653

Males

14101

M70-74

14101

40K→25.2M

24.9 - 25.2 mi

Top 93%
Γ—1
+13ft-16ft

Overall

26979

Males

15267

M70-74

15267

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
Γ—2
+22ft-21ft

Overall

26070

Males

14798

M70-74

14798

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
514
Passed By
1618
Net Change
-2264
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23203
5K β†’ 10K43200-622#23203#23825
10K β†’ 15K50200-453#23825#24278
15K β†’ 20K26200-405#24278#24683
20K β†’ HALF879-71#24683#24754
HALF β†’ 25K49200-163#24754#24917
25K β†’ 30K48200-301#24917#25218
30K β†’ 20M49126-77#25218#25295
20M β†’ 21M20140-120#25295#25415
21M β†’ 35K2450-26#25415#25441
35K β†’ 23M6851+17#25441#25424
23M β†’ 24M3538-3#25424#25427
24M β†’ 40K6616+50#25427#25377
40K β†’ 25.2M848-40#25377#25417
25.2M β†’ FINISH2070-50#25417#25467
TOTALS5141618-2264
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