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BOSTON MARATHON 2025

Dawei Bian

Bib: 28673•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:03
Rank: #22542
Start → 5K
28:03 | 9:02/mi
10K· 6.21 mi
55:10
Rank: #21854 (+688)
5K → 10K
27:07 | 8:44/mi
15K· 9.32 mi
1:23:28
Rank: #22095 (-241)
10K → 15K
28:18 | 9:07/mi
20K· 12.43 mi
1:55:30
Rank: #23120 (-1025)
15K → 20K
32:02 | 10:19/mi
Half· 13.11 mi
2:02:09
Rank: #23176 (-56)
20K → Half
6:39 | 9:45/mi
25K· 15.53 mi
2:28:44
Rank: #23629 (-453)
Half → 25K
26:35 | 10:58/mi
30K· 18.64 mi
3:06:15
Rank: #24212 (-583)
25K → 30K
37:31 | 12:05/mi
20M
3:22:36
Rank: #24320 (-108)
30K → 20M
16:21 | 12:02/mi
21M
3:35:04
Rank: #24331 (-11)
20M → 21M
12:28 | 12:28/mi
35K· 21.75 mi
3:42:47
Rank: #24264 (+67)
21M → 35K
7:43 | 10:19/mi
23M
3:56:46
Rank: #24235 (+29)
35K → 23M
13:59 | 11:10/mi
24M
4:06:44
Rank: #24126 (+109)
23M → 24M
9:58 | 9:58/mi
40K· 24.85 mi
4:15:21
Rank: #24014 (+112)
24M → 40K
8:37 | 10:05/mi
25.2M
4:19:10
Rank: #23980 (+34)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:28:25
Rank: #23856 (+124)
25.2M → Finish
9:15 | 9:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:09
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:26:16
Pace11:09 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0328:039:0228:03
9:02
-
10K
6.21 mi12:12:1055:108:5327:07
8:44
-0:18
15K
9.32 mi12:40:281:23:288:5728:18
9:07
+0:23
20K
12.43 mi13:12:301:55:309:1832:02
10:19
+1:12
Half
13.11 mi13:19:092:02:099:196:39
9:45
-0:34
25K
15.53 mi13:45:442:28:449:3426:35
10:58
+1:13
30K
18.64 mi14:23:153:06:159:5937:31
12:05
+1:07
20M
20.00 mi14:39:363:22:3610:0816:21
12:02
-0:03
21M
21.00 mi14:52:043:35:0410:1412:28
12:28
+0:26
35K
21.75 mi14:59:473:42:4710:157:43
10:19
-2:09
23M
23.00 mi15:13:463:56:4610:1813:59
11:10
+0:51
24M
24.00 mi15:23:444:06:4410:179:58
9:58
-1:12
40K
24.85 mi15:32:214:15:2110:168:37
10:05
+0:07
25.2M
25.20 mi15:36:104:19:1010:173:49
11:04
+0:59
Finish
26.22 mi15:45:254:28:2510:159:15
9:05
-1:59

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

8:44 /mi

Average Pace

10:15 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:43

35% of race

Time at Steady Pace

1:04:59

24% of race

Time at Slower Pace

1:50:43

41% of race

Average Pace: 10:14 /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 mi11:45:0328:039:0228:03
9:02
#22542
10K
6.21 mi12:12:1055:108:5327:07
8:44
#21854
15K
9.32 mi12:40:281:23:288:5728:18
9:07
#22095
20K
12.43 mi13:12:301:55:309:1832:02
10:19
#23120
Half
13.11 mi13:19:092:02:099:196:39
9:45
#23176
25K
15.53 mi13:45:442:28:449:3426:35
10:58
#23629
30K
18.64 mi14:23:153:06:159:5937:31
12:05
#24212
20M
20.00 mi14:39:363:22:3610:0816:21
12:02
#24320
21M
21.00 mi14:52:043:35:0410:1412:28
12:28
#24331
35K
21.75 mi14:59:473:42:4710:157:43
10:19
#24264
23M
23.00 mi15:13:463:56:4610:1813:59
11:10
#24235
24M
24.00 mi15:23:444:06:4410:179:58
9:58
#24126
40K
24.85 mi15:32:214:15:2110:168:37
10:05
#24014
25.2M
25.20 mi15:36:104:19:1010:173:49
11:04
#23980
Finish
26.22 mi15:45:254:28:2510:159:15
9:05
#23856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22542135531355322489(Top 79%)13604(Top 84%)13604(Top 682%)
10K6.21 mi3.10 mi21854+68813268+28513268+28521037(Top 74%)12944(Top 80%)12944(Top 648%)
15K9.32 mi3.11 mi22095-24113384-11613384-11622489(Top 79%)13604(Top 84%)13604(Top 682%)
20K12.43 mi3.11 mi23120-102513867-48313867-48324844(Top 87%)14602(Top 91%)14602(Top 732%)
Half13.11 mi0.68 mi23176-5613895-2813895-2824227(Top 85%)14329(Top 89%)14329(Top 718%)
25K15.53 mi2.42 mi23629-45314072-17714072-17725155(Top 89%)14712(Top 91%)14712(Top 737%)
30K18.64 mi3.11 mi24212-58314307-23514307-23525691(Top 90%)14844(Top 92%)14844(Top 744%)
20M20.00 mi1.36 mi24320-10814333-2614333-2625313(Top 89%)14601(Top 91%)14601(Top 732%)
21M21.00 mi1.00 mi24331-1114321+1214321+1224355(Top 86%)14083(Top 87%)14083(Top 706%)
35K21.75 mi0.75 mi24264+6714281+4014281+4022730(Top 80%)13272(Top 82%)13272(Top 665%)
23M23.00 mi1.25 mi24235+2914249+3214249+3223601(Top 83%)13638(Top 85%)13638(Top 683%)
24M24.00 mi1.00 mi24126+10914181+6814181+6821266(Top 75%)12482(Top 78%)12482(Top 625%)
40K24.85 mi0.85 mi24014+11214117+6414117+6420710(Top 73%)12150(Top 75%)12150(Top 609%)
25.2M25.20 mi0.35 mi23980+3414102+1514102+1520852(Top 73%)12228(Top 76%)12228(Top 613%)
Finish26.22 mi1.02 mi23856+12414034+6814034+6819414(Top 68%)11548(Top 72%)11548(Top 579%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22489

Males

13604

M50-54

13604

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21037

Males

12944

M50-54

12944

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22489

Males

13604

M50-54

13604

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24844

Males

14602

M50-54

14602

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24227

Males

14329

M50-54

14329

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25155

Males

14712

M50-54

14712

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25691

Males

14844

M50-54

14844

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25313

Males

14601

M50-54

14601

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24355

Males

14083

M50-54

14083

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22730

Males

13272

M50-54

13272

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23601

Males

13638

M50-54

13638

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21266

Males

12482

M50-54

12482

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20710

Males

12150

M50-54

12150

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20852

Males

12228

M50-54

12228

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19414

Males

11548

M50-54

11548

Passing Analysis

Category:
Athletes Passed
1624
Passed By
2938
Net Change
-1314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22542
5K → 10K74557+688#22542#21854
10K → 15K117358-241#21854#22095
15K → 20K291054-1025#22095#23120
20K → Half1773-56#23120#23176
Half → 25K35488-453#23176#23629
25K → 30K27610-583#23629#24212
30K → 20M42150-108#24212#24320
20M → 21M6677-11#24320#24331
21M → 35K758+67#24331#24264
35K → 23M7445+29#24264#24235
23M → 24M1156+109#24235#24126
24M → 40K1153+112#24126#24014
40K → 25.2M384+34#24014#23980
25.2M → Finish1295+124#23980#23856
TOTALS16242938-1314
📊

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