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BOSTON MARATHON 2025

Bing Lu

Bib: 7990•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #4226
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:54
Rank: #4340 (-114)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:48
Rank: #4626 (-286)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:22:53
Rank: #4717 (-91)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:27:34
Rank: #4819 (-102)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:44:42
Rank: #5150 (-331)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:11:35
Rank: #7059 (-1909)
25K → 30K
26:53 | 8:39/mi
20M
2:23:28
Rank: #7556 (-497)
30K → 20M
11:53 | 8:45/mi
21M
2:33:15
Rank: #8109 (-553)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
2:39:54
Rank: #8490 (-381)
21M → 35K
6:39 | 8:53/mi
23M
2:51:37
Rank: #9154 (-664)
35K → 23M
11:43 | 9:21/mi
24M
3:01:15
Rank: #9819 (-665)
23M → 24M
9:38 | 9:38/mi
40K· 24.85 mi
3:09:27
Rank: #10257 (-438)
24M → 40K
8:12 | 9:35/mi
25.2M
3:13:14
Rank: #10478 (-221)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:23:00
Rank: #11030 (-552)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:34
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:55:26
Pace8:48 /mi
📊Positive Split: 31.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1320:226:3320:22
6:33
-
10K
6.21 mi10:49:4540:546:3520:32
6:37
+0:04
15K
9.32 mi11:10:391:01:486:3820:54
6:44
+0:07
20K
12.43 mi11:31:441:22:536:4021:05
6:47
+0:03
Half
13.11 mi11:36:251:27:346:414:41
6:52
+0:05
25K
15.53 mi11:53:331:44:426:4417:08
7:04
+0:12
30K
18.64 mi12:20:262:11:357:0426:53
8:39
+1:35
20M
20.00 mi12:32:192:23:287:1011:53
8:45
+0:06
21M
21.00 mi12:42:062:33:157:189:47
9:47
+1:02
35K
21.75 mi12:48:452:39:547:216:39
8:53
-0:54
23M
23.00 mi13:00:282:51:377:2811:43
9:21
+0:28
24M
24.00 mi13:10:063:01:157:339:38
9:38
+0:17
40K
24.85 mi13:18:183:09:277:378:12
9:35
-0:03
25.2M
25.20 mi13:22:053:13:147:403:47
10:58
+1:23
Finish
26.22 mi13:31:513:23:007:459:46
9:35
-1:23

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

6:33 /mi

Average Pace

7:45 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:42

52% of race

Time at Steady Pace

57:08

28% of race

Time at Slower Pace

41:10

20% of race

Average Pace: 7:45 /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 mi10:29:1320:226:3320:22
6:33
#4226
10K
6.21 mi10:49:4540:546:3520:32
6:37
#4340
15K
9.32 mi11:10:391:01:486:3820:54
6:44
#4626
20K
12.43 mi11:31:441:22:536:4021:05
6:47
#4717
Half
13.11 mi11:36:251:27:346:414:41
6:52
#4819
25K
15.53 mi11:53:331:44:426:4417:08
7:04
#5150
30K
18.64 mi12:20:262:11:357:0426:53
8:39
#7059
20M
20.00 mi12:32:192:23:287:1011:53
8:45
#7556
21M
21.00 mi12:42:062:33:157:189:47
9:47
#8109
35K
21.75 mi12:48:452:39:547:216:39
8:53
#8490
23M
23.00 mi13:00:282:51:377:2811:43
9:21
#9154
24M
24.00 mi13:10:063:01:157:339:38
9:38
#9819
40K
24.85 mi13:18:183:09:277:378:12
9:35
#10257
25.2M
25.20 mi13:22:053:13:147:403:47
10:58
#10478
Finish
26.22 mi13:31:513:23:007:459:46
9:35
#11030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4226397539755315(Top 19%)4903(Top 30%)4903(Top 205%)
10K6.21 mi3.10 mi4340-1144080-1054080-1054524(Top 16%)4238(Top 26%)4238(Top 178%)
15K9.32 mi3.11 mi4626-2864332-2524332-2525315(Top 19%)4903(Top 30%)4903(Top 205%)
20K12.43 mi3.11 mi4717-914403-714403-715135(Top 18%)4730(Top 29%)4730(Top 198%)
Half13.11 mi0.68 mi4819-1024490-874490-876567(Top 23%)5863(Top 36%)5863(Top 246%)
25K15.53 mi2.42 mi5150-3314772-2824772-2826723(Top 24%)5915(Top 37%)5915(Top 248%)
30K18.64 mi3.11 mi7059-19096254-14826254-148215706(Top 55%)10373(Top 64%)10373(Top 435%)
20M20.00 mi1.36 mi7556-4976554-3006554-30015311(Top 54%)10047(Top 62%)10047(Top 421%)
21M21.00 mi1.00 mi8109-5536872-3186872-31817368(Top 61%)10852(Top 67%)10852(Top 455%)
35K21.75 mi0.75 mi8490-3817079-2077079-20717655(Top 62%)10881(Top 68%)10881(Top 456%)
23M23.00 mi1.25 mi9154-6647423-3447423-34418018(Top 63%)10976(Top 68%)10976(Top 460%)
24M24.00 mi1.00 mi9819-6657742-3197742-31920096(Top 71%)11904(Top 74%)11904(Top 499%)
40K24.85 mi0.85 mi10257-4387925-1837925-18319032(Top 67%)11327(Top 70%)11327(Top 475%)
25.2M25.20 mi0.35 mi10478-2218029-1048029-10420465(Top 72%)11999(Top 75%)11999(Top 503%)
Finish26.22 mi1.02 mi11030-5528243-2148243-21421461(Top 76%)12508(Top 78%)12508(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5315

Males

4903

M45-49

4903

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4524

Males

4238

M45-49

4238

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5315

Males

4903

M45-49

4903

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5135

Males

4730

M45-49

4730

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6567

Males

5863

M45-49

5863

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6723

Males

5915

M45-49

5915

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15706

Males

10373

M45-49

10373

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15311

Males

10047

M45-49

10047

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17368

Males

10852

M45-49

10852

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17655

Males

10881

M45-49

10881

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

18018

Males

10976

M45-49

10976

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20096

Males

11904

M45-49

11904

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19032

Males

11327

M45-49

11327

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20465

Males

11999

M45-49

11999

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21461

Males

12508

M45-49

12508

Passing Analysis

Category:
Athletes Passed
388
Passed By
7190
Net Change
-6804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4226
5K → 10K91205-114#4226#4340
10K → 15K34320-286#4340#4626
15K → 20K98189-91#4626#4717
20K → Half4106-102#4717#4819
Half → 25K42373-331#4819#5150
25K → 30K151924-1909#5150#7059
30K → 20M26523-497#7059#7556
20M → 21M13566-553#7556#8109
21M → 35K10391-381#8109#8490
35K → 23M22686-664#8490#9154
23M → 24M8673-665#9154#9819
24M → 40K15451-438#9819#10257
40K → 25.2M4225-221#10257#10478
25.2M → Finish6558-552#10478#11030
TOTALS3887190-6804
📊

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