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BOSTON MARATHON 2025

Weigang Li

Bib: 6186•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M50-54)
#0 / 1996
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:51/mi
21:18
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:46/mi
1:03:31
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:24:42
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:29:17
↑ 19↓ 370.5%
25K· 15.53 mi
6:47/mi
1:45:44
↑ 66↓ 880.2%
30K· 18.64 mi
6:58/mi
2:07:22
↑ 181↓ 1480.2%
20M
7:02/mi
2:16:56
↑ 64↓ 500.2%
21M
7:32/mi
2:24:28
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:29:39
↑ 17↓ 861.7%
23M
7:00/mi
2:38:25
↑ 23↓ 630.6%
24M
6:48/mi
2:45:13
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:51:06
↓ 200.3%
25.2M
7:41/mi
2:53:45
↑ 13↓ 160.2%
Finish· 26.22 mi
6:35/mi
3:00:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1421:186:5121:18
6:51
-
10K
6.21 mi10:50:2542:296:5021:11
6:49
-0:02
15K
9.32 mi11:11:271:03:316:4921:02
6:46
-0:03
20K
12.43 mi11:32:381:24:426:4921:11
6:49
+0:03
Half
13.11 mi11:37:131:29:176:494:35
6:43
-0:06
25K
15.53 mi11:53:401:45:446:4816:27
6:47
+0:04
30K
18.64 mi12:15:182:07:226:5021:38
6:58
+0:11
20M
20.00 mi12:24:522:16:566:519:34
7:02
+0:04
21M
21.00 mi12:32:242:24:286:537:32
7:32
+0:30
35K
21.75 mi12:37:352:29:396:535:11
6:56
-0:36
23M
23.00 mi12:46:212:38:256:538:46
7:00
+0:04
24M
24.00 mi12:53:092:45:136:536:48
6:48
-0:12
40K
24.85 mi12:59:022:51:066:535:53
6:53
+0:05
25.2M
25.20 mi13:01:412:53:456:542:39
7:41
+0:48
Finish
26.22 mi13:08:243:00:286:536:43
6:35
-1:06

Checkpoints & Pacing

📈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

6:35 /mi

Average Pace

6:53 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:17

94% of race

Time at Steady Pace

10:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:29:1421:186:5121:18
6:51
#6729
10K
6.21 mi10:50:2542:296:5021:11
6:49
#6629
15K
9.32 mi11:11:271:03:316:4921:02
6:46
#6335
20K
12.43 mi11:32:381:24:426:4921:11
6:49
#6073
Half
13.11 mi11:37:131:29:176:494:35
6:43
#6036
25K
15.53 mi11:53:401:45:446:4816:27
6:47
#5769
30K
18.64 mi12:15:182:07:226:5021:38
6:58
#5440
20M
20.00 mi12:24:522:16:566:519:34
7:02
#5334
21M
21.00 mi12:32:242:24:286:537:32
7:32
#5264
35K
21.75 mi12:37:352:29:396:535:11
6:56
#5233
23M
23.00 mi12:46:212:38:256:538:46
7:00
#5101
24M
24.00 mi12:53:092:45:136:536:48
6:48
#5012
40K
24.85 mi12:59:022:51:066:535:53
6:53
#4906
25.2M
25.20 mi13:01:412:53:456:542:39
7:41
#4875
Finish
26.22 mi13:08:243:00:286:536:43
6:35
#4791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6729609760975766(Top 20%)5255(Top 33%)5255(Top 263%)
10K6.21 mi3.10 mi6629+1006007+906007+906567(Top 23%)5933(Top 37%)5933(Top 297%)
15K9.32 mi3.11 mi6335+2945773+2345773+2345766(Top 20%)5255(Top 33%)5255(Top 263%)
20K12.43 mi3.11 mi6073+2625543+2305543+2305464(Top 19%)4991(Top 31%)4991(Top 250%)
Half13.11 mi0.68 mi6036+375509+345509+345371(Top 19%)4926(Top 31%)4926(Top 247%)
25K15.53 mi2.42 mi5769+2675283+2265283+2264742(Top 17%)4365(Top 27%)4365(Top 219%)
30K18.64 mi3.11 mi5440+3294989+2944989+2944469(Top 16%)4087(Top 25%)4087(Top 205%)
20M20.00 mi1.36 mi5334+1064885+1044885+1044329(Top 15%)3944(Top 24%)3944(Top 198%)
21M21.00 mi1.00 mi5264+704819+664819+664757(Top 17%)4191(Top 26%)4191(Top 210%)
35K21.75 mi0.75 mi5233+314791+284791+284881(Top 17%)4293(Top 27%)4293(Top 215%)
23M23.00 mi1.25 mi5101+1324668+1234668+1233762(Top 13%)3385(Top 21%)3385(Top 170%)
24M24.00 mi1.00 mi5012+894583+854583+853500(Top 12%)3135(Top 19%)3135(Top 157%)
40K24.85 mi0.85 mi4906+1064482+1014482+1013256(Top 11%)2908(Top 18%)2908(Top 146%)
25.2M25.20 mi0.35 mi4875+314457+254457+254218(Top 15%)3574(Top 22%)3574(Top 179%)
Finish26.22 mi1.02 mi4791+844380+774380+773280(Top 12%)2888(Top 18%)2888(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5766

Males

5255

M50-54

5255

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6567

Males

5933

M50-54

5933

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5766

Males

5255

M50-54

5255

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5464

Males

4991

M50-54

4991

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5371

Males

4926

M50-54

4926

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4742

Males

4365

M50-54

4365

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4469

Males

4087

M50-54

4087

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4329

Males

3944

M50-54

3944

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4757

Males

4191

M50-54

4191

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4881

Males

4293

M50-54

4293

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3762

Males

3385

M50-54

3385

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3500

Males

3135

M50-54

3135

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3256

Males

2908

M50-54

2908

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4218

Males

3574

M50-54

3574

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3280

Males

2888

M50-54

2888

Passing Analysis

Category:
Athletes Passed
2370
Passed By
432
Net Change
+1938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6729
5K → 10K247147+100#6729#6629
10K → 15K33339+294#6629#6335
15K → 20K29230+262#6335#6073
20K → Half447+37#6073#6036
Half → 25K28114+267#6036#5769
25K → 30K36132+329#5769#5440
30K → 20M13933+106#5440#5334
20M → 21M10636+70#5334#5264
21M → 35K6534+31#5264#5233
35K → 23M15018+132#5233#5101
23M → 24M10314+89#5101#5012
24M → 40K1159+106#5012#4906
40K → 25.2M409+31#4906#4875
25.2M → Finish9410+84#4875#4791
TOTALS2370432+1938
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing