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BOSTON MARATHON 2026

Weifeng Li

Bib: 30076β€’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
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
30:38
3.11 mi
Rank: #25545
Start β†’ 5K
30:38 | 9:52/mi
10K
1:00:36
6.21 mi
Rank: #25234 (+311)
5K β†’ 10K
29:58 | 9:39/mi
15K
1:30:36
9.32 mi
Rank: #25082 (+152)
10K β†’ 15K
30:00 | 9:40/mi
20K
2:01:13
12.43 mi
Rank: #25000 (+82)
15K β†’ 20K
30:37 | 9:52/mi
HALF
2:07:44
13.11 mi
Rank: #24967 (+33)
20K β†’ HALF
6:31 | 9:34/mi
25K
2:32:00
15.53 mi
Rank: #24878 (+89)
HALF β†’ 25K
24:16 | 10:01/mi
30K
3:07:20
18.64 mi
Rank: #25099 (-221)
25K β†’ 30K
35:20 | 11:23/mi
20M
3:22:07
20.00 mi
Rank: #25055 (+44)
30K β†’ 20M
14:47 | 10:54/mi
21M
3:33:54
21.00 mi
Rank: #25049 (+6)
20M β†’ 21M
11:47 | 11:47/mi
35K
3:42:47
21.75 mi
Rank: #25126 (-77)
21M β†’ 35K
8:53 | 11:53/mi
23M
3:57:01
23.00 mi
Rank: #25133 (-7)
35K β†’ 23M
14:14 | 11:23/mi
24M
4:07:33
24.00 mi
Rank: #25083 (+50)
23M β†’ 24M
10:32 | 10:32/mi
40K
4:16:46
24.85 mi
Rank: #25040 (+43)
24M β†’ 40K
9:13 | 10:47/mi
25.2M
4:21:06
25.20 mi
Rank: #25045 (-5)
40K β†’ 25.2M
4:20 | 12:34/mi
FINISH
4:31:44
26.22 mi
Rank: #25047 (-2)
25.2M β†’ FINISH
10:38 | 10:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:07:44
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:24:00
Pace11:00 /mi
πŸ“ŠPositive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4030:389:5230:38
9:52
-
10K
6.21 mi12:25:381:00:369:4629:58
9:39
-0:13
15K
9.32 mi12:55:381:30:369:4430:00
9:40
+0:01
20K
12.43 mi13:26:152:01:139:4630:37
9:52
+0:12
HALF
13.11 mi13:32:462:07:449:456:31
9:34
-0:18
25K
15.53 mi13:57:022:32:009:4824:16
10:01
+0:27
30K
18.64 mi14:32:223:07:2010:0335:20
11:23
+1:22
20M
20.00 mi14:47:093:22:0710:0714:47
10:54
-0:29
21M
21.00 mi14:58:563:33:5410:1211:47
11:47
+0:53
35K
21.75 mi15:07:493:42:4710:158:53
11:53
+0:06
23M
23.00 mi15:22:033:57:0110:1914:14
11:23
-0:30
24M
24.00 mi15:32:354:07:3310:1910:32
10:32
-0:51
40K
24.85 mi15:41:484:16:4610:209:13
10:47
+0:15
25.2M
25.20 mi15:46:084:21:0610:224:20
12:34
+1:47
FINISH
26.22 mi15:56:464:31:4410:2310:38
10:27
-2:07

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

9:34 /mi

Average Pace

10:22 /mi

Slowest Pace

12:34 /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

2:32:00

56% of race

Time at Steady Pace

45:10

17% of race

Time at Slower Pace

1:14:34

27% of race

Average Pace: 10:22 /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 mi11:55:4030:389:5230:38
9:52
#25545
10K
6.21 mi12:25:381:00:369:4629:58
9:39
#25234
15K
9.32 mi12:55:381:30:369:4430:00
9:40
#25082
20K
12.43 mi13:26:152:01:139:4630:37
9:52
#25000
HALF
13.11 mi13:32:462:07:449:456:31
9:34
#24967
25K
15.53 mi13:57:022:32:009:4824:16
10:01
#24878
30K
18.64 mi14:32:223:07:2010:0335:20
11:23
#25099
20M
20.00 mi14:47:093:22:0710:0714:47
10:54
#25055
21M
21.00 mi14:58:563:33:5410:1211:47
11:47
#25049
35K
21.75 mi15:07:493:42:4710:158:53
11:53
#25126
23M
23.00 mi15:22:033:57:0110:1914:14
11:23
#25133
24M
24.00 mi15:32:354:07:3310:1910:32
10:32
#25083
40K
24.85 mi15:41:484:16:4610:209:13
10:47
#25040
25.2M
25.20 mi15:46:084:21:0610:224:20
12:34
#25045
FINISH
26.22 mi15:56:464:31:4410:2310:38
10:27
#25047
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 mi25545149751497524849(Top 86%)14655(Top 90%)14655(Top 785%)
10K6.21 mi3.10 mi25234+31114833+14214833+14224956(Top 86%)14711(Top 90%)14711(Top 788%)
15K9.32 mi3.11 mi25082+15214771+6214771+6224849(Top 86%)14655(Top 90%)14655(Top 785%)
20K12.43 mi3.11 mi25000+8214718+5314718+5324677(Top 85%)14547(Top 89%)14547(Top 779%)
HALF13.11 mi0.68 mi24967+3314707+1114707+1124527(Top 85%)14471(Top 89%)14471(Top 775%)
25K15.53 mi2.42 mi24878+8914659+4814659+4824321(Top 84%)14344(Top 88%)14344(Top 768%)
30K18.64 mi3.11 mi25099-22114728-6914728-6925963(Top 89%)14989(Top 92%)14989(Top 802%)
20M20.00 mi1.36 mi25055+4414683+4514683+4524693(Top 85%)14319(Top 88%)14319(Top 767%)
21M21.00 mi1.00 mi25049+614664+1914664+1924698(Top 85%)14263(Top 87%)14263(Top 764%)
35K21.75 mi0.75 mi25126-7714688-2414688-2426584(Top 92%)15141(Top 93%)15141(Top 811%)
23M23.00 mi1.25 mi25133-714681+714681+725221(Top 87%)14444(Top 88%)14444(Top 773%)
24M24.00 mi1.00 mi25083+5014639+4214639+4224173(Top 83%)13919(Top 85%)13919(Top 745%)
40K24.85 mi0.85 mi25040+4314608+3114608+3123810(Top 82%)13691(Top 84%)13691(Top 733%)
25.2M25.20 mi0.35 mi25045-514605+314605+325431(Top 88%)14499(Top 89%)14499(Top 776%)
FINISH26.22 mi1.02 mi25047-214597+814597+824930(Top 86%)14239(Top 87%)14239(Top 762%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
Γ—21
+97ft-345ft

Overall

24849

Males

14655

M50-54

14655

5K→10K

3.1 - 6.2 mi

Top 86%
Γ—5
+79ft-138ft

Overall

24956

Males

14711

M50-54

14711

10K→15K

6.2 - 9.3 mi

Top 86%
Γ—3
+67ft-78ft

Overall

24849

Males

14655

M50-54

14655

15K→20K

9.3 - 12.4 mi

Top 85%
Γ—5
+106ft-86ft

Overall

24677

Males

14547

M50-54

14547

20K→HALF

12.4 - 13.1 mi

Top 85%
Γ—2
+19ft-37ft

Overall

24527

Males

14471

M50-54

14471

HALF→25K

13.1 - 15.5 mi

Top 84%
Γ—4
+66ft-88ft

Overall

24321

Males

14344

M50-54

14344

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9
+181ft-148ft

Overall

25963

Males

14989

M50-54

14989

30K→20M

18.6 - 20.0 mi

Top 85%
Γ—5
+64ft-50ft

Overall

24693

Males

14319

M50-54

14319

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24698

Males

14263

M50-54

14263

21M→35K

21.0 - 21.8 mi

Top 92%
Γ—7
+17ft-86ft

Overall

26584

Males

15141

M50-54

15141

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25221

Males

14444

M50-54

14444

23M→24M

23.0 - 24.0 mi

Top 83%
Γ—6
+12ft-82ft

Overall

24173

Males

13919

M50-54

13919

24M→40K

24.0 - 24.9 mi

Top 82%
Γ—1
+6ft-20ft

Overall

23810

Males

13691

M50-54

13691

40K→25.2M

24.9 - 25.2 mi

Top 88%
Γ—1
+13ft-16ft

Overall

25431

Males

14499

M50-54

14499

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
Γ—2
+22ft-21ft

Overall

24930

Males

14239

M50-54

14239

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1422*
Passed By
841
Net Change
+498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25545
5K β†’ 10K396*85+311#25545#25234
10K β†’ 15K225*73+152#25234#25082
15K β†’ 20K17088+82#25082#25000
20K β†’ HALF4411+33#25000#24967
HALF β†’ 25K12940+89#24967#24878
25K β†’ 30K62200-221#24878#25099
30K β†’ 20M7531+44#25099#25055
20M β†’ 21M6256+6#25055#25049
21M β†’ 35K1794-77#25049#25126
35K β†’ 23M5764-7#25126#25133
23M β†’ 24M6717+50#25133#25083
24M β†’ 40K5916+43#25083#25040
40K β†’ 25.2M2025-5#25040#25045
25.2M β†’ FINISH3941-2#25045#25047
TOTALS1422*841+498

* Includes athletes who did not complete a segment (DNF/DNQ).

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