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BOSTON MARATHON 2025

Weiwen Yuan

Bib: 7582•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M40-44)
#0 / 2247
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #4363
Start → 5K
20:25 | 6:34/mi
10K· 6.21 mi
41:27
Rank: #5103 (-740)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:38
Rank: #5436 (-333)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:23:47
Rank: #5398 (+38)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:28:19
Rank: #5342 (+56)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:49
Rank: #5245 (+97)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:06:48
Rank: #5182 (+63)
25K → 30K
21:59 | 7:05/mi
20M
2:16:36
Rank: #5181 (+1)
30K → 20M
9:48 | 7:13/mi
21M
2:24:16
Rank: #5197 (-16)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:29:32
Rank: #5192 (+5)
21M → 35K
5:16 | 7:02/mi
23M
2:38:36
Rank: #5164 (+28)
35K → 23M
9:04 | 7:14/mi
24M
2:45:40
Rank: #5132 (+32)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:52:00
Rank: #5141 (-9)
24M → 40K
6:20 | 7:24/mi
25.2M
2:54:50
Rank: #5144 (-3)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:02:39
Rank: #5243 (-99)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:19
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2020:256:3420:25
6:34
-
10K
6.21 mi10:48:2241:276:4021:02
6:46
+0:12
15K
9.32 mi11:09:331:02:386:4321:11
6:49
+0:03
20K
12.43 mi11:30:421:23:476:4521:09
6:48
-0:01
Half
13.11 mi11:35:141:28:196:444:32
6:39
-0:09
25K
15.53 mi11:51:441:44:496:4516:30
6:48
+0:09
30K
18.64 mi12:13:432:06:486:4821:59
7:05
+0:17
20M
20.00 mi12:23:312:16:366:509:48
7:13
+0:08
21M
21.00 mi12:31:112:24:166:527:40
7:40
+0:27
35K
21.75 mi12:36:272:29:326:535:16
7:02
-0:38
23M
23.00 mi12:45:312:38:366:549:04
7:14
+0:12
24M
24.00 mi12:52:352:45:406:547:04
7:04
-0:10
40K
24.85 mi12:58:552:52:006:556:20
7:24
+0:20
25.2M
25.20 mi13:01:452:54:506:562:50
8:13
+0:49
Finish
26.22 mi13:09:343:02:396:587:49
7:40
-0:33

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

6:34 /mi

Average Pace

6:58 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:49

57% of race

Time at Steady Pace

53:11

29% of race

Time at Slower Pace

24:39

13% of race

Average Pace: 6:58 /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 mi10:27:2020:256:3420:25
6:34
#4363
10K
6.21 mi10:48:2241:276:4021:02
6:46
#5103
15K
9.32 mi11:09:331:02:386:4321:11
6:49
#5436
20K
12.43 mi11:30:421:23:476:4521:09
6:48
#5398
Half
13.11 mi11:35:141:28:196:444:32
6:39
#5342
25K
15.53 mi11:51:441:44:496:4516:30
6:48
#5245
30K
18.64 mi12:13:432:06:486:4821:59
7:05
#5182
20M
20.00 mi12:23:312:16:366:509:48
7:13
#5181
21M
21.00 mi12:31:112:24:166:527:40
7:40
#5197
35K
21.75 mi12:36:272:29:326:535:16
7:02
#5192
23M
23.00 mi12:45:312:38:366:549:04
7:14
#5164
24M
24.00 mi12:52:352:45:406:547:04
7:04
#5132
40K
24.85 mi12:58:552:52:006:556:20
7:24
#5141
25.2M
25.20 mi13:01:452:54:506:562:50
8:13
#5144
Finish
26.22 mi13:09:343:02:396:587:49
7:40
#5243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4363410041006237(Top 22%)5647(Top 35%)5647(Top 251%)
10K6.21 mi3.10 mi5103-7404755-6554755-6556037(Top 21%)5514(Top 34%)5514(Top 245%)
15K9.32 mi3.11 mi5436-3335028-2735028-2736237(Top 22%)5647(Top 35%)5647(Top 251%)
20K12.43 mi3.11 mi5398+384989+394989+395357(Top 19%)4913(Top 31%)4913(Top 219%)
Half13.11 mi0.68 mi5342+564942+474942+474782(Top 17%)4442(Top 28%)4442(Top 198%)
25K15.53 mi2.42 mi5245+974844+984844+984905(Top 17%)4506(Top 28%)4506(Top 201%)
30K18.64 mi3.11 mi5182+634769+754769+755173(Top 18%)4681(Top 29%)4681(Top 208%)
20M20.00 mi1.36 mi5181+14759+104759+105243(Top 18%)4660(Top 29%)4660(Top 207%)
21M21.00 mi1.00 mi5197-164766-74766-75449(Top 19%)4695(Top 29%)4695(Top 209%)
35K21.75 mi0.75 mi5192+54756+104756+105587(Top 20%)4775(Top 30%)4775(Top 213%)
23M23.00 mi1.25 mi5164+284722+344722+345107(Top 18%)4391(Top 27%)4391(Top 195%)
24M24.00 mi1.00 mi5132+324683+394683+394999(Top 18%)4256(Top 26%)4256(Top 189%)
40K24.85 mi0.85 mi5141-94677+64677+66208(Top 22%)4968(Top 31%)4968(Top 221%)
25.2M25.20 mi0.35 mi5144-34675+24675+27051(Top 25%)5341(Top 33%)5341(Top 238%)
Finish26.22 mi1.02 mi5243-994748-734748-7310420(Top 37%)7190(Top 45%)7190(Top 320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6237

Males

5647

M40-44

5647

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6037

Males

5514

M40-44

5514

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6237

Males

5647

M40-44

5647

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5357

Males

4913

M40-44

4913

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4782

Males

4442

M40-44

4442

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4905

Males

4506

M40-44

4506

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5173

Males

4681

M40-44

4681

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5243

Males

4660

M40-44

4660

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5449

Males

4695

M40-44

4695

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5587

Males

4775

M40-44

4775

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5107

Males

4391

M40-44

4391

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4999

Males

4256

M40-44

4256

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6208

Males

4968

M40-44

4968

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7051

Males

5341

M40-44

5341

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10420

Males

7190

M40-44

7190

Passing Analysis

Category:
Athletes Passed
1060
Passed By
1940
Net Change
-880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4363
5K → 10K14754-740#4363#5103
10K → 15K43376-333#5103#5436
15K → 20K143105+38#5436#5398
20K → Half648+56#5398#5342
Half → 25K15861+97#5342#5245
25K → 30K195132+63#5245#5182
30K → 20M7069+1#5182#5181
20M → 21M8096-16#5181#5197
21M → 35K4338+5#5197#5192
35K → 23M10072+28#5192#5164
23M → 24M6735+32#5164#5132
24M → 40K4756-9#5132#5141
40K → 25.2M1720-3#5141#5144
25.2M → Finish19118-99#5144#5243
TOTALS10601940-880
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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