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BOSTON MARATHON 2025

Hao Lu

Bib: 12244•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M50-54)
#0 / 1996
Top 35%
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
7:11/mi
22:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
45:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:06
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:30:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:35:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:53:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:18:01
↑ 181↓ 1480.2%
20M
7:45/mi
2:28:33
↑ 64↓ 500.2%
21M
8:19/mi
2:36:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:42:33
↑ 17↓ 861.7%
23M
7:59/mi
2:52:33
↑ 23↓ 630.6%
24M
7:52/mi
3:00:25
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:07:18
↓ 200.3%
25.2M
8:54/mi
3:10:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:18:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:53
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:42:09
Pace7:48 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2922:207:1122:20
7:11
-
10K
6.21 mi11:13:3545:267:1923:06
7:26
+0:15
15K
9.32 mi11:36:151:08:067:1822:40
7:18
-0:08
20K
12.43 mi11:59:071:30:587:1922:52
7:22
+0:04
Half
13.11 mi12:04:021:35:537:194:55
7:12
-0:10
25K
15.53 mi12:22:011:53:527:2017:59
7:25
+0:13
30K
18.64 mi12:46:102:18:017:2424:09
7:46
+0:21
20M
20.00 mi12:56:422:28:337:2610:32
7:45
-0:01
21M
21.00 mi13:05:012:36:527:288:19
8:19
+0:34
35K
21.75 mi13:10:422:42:337:285:41
7:36
-0:43
23M
23.00 mi13:20:422:52:337:3010:00
7:59
+0:23
24M
24.00 mi13:28:343:00:257:317:52
7:52
-0:07
40K
24.85 mi13:35:273:07:187:326:53
8:03
+0:11
25.2M
25.20 mi13:38:313:10:227:333:04
8:54
+0:51
Finish
26.22 mi13:46:113:18:027:347:40
7:31
-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

7:11 /mi

Average Pace

7:34 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:47

37% of race

Time at Steady Pace

1:29:07

45% of race

Time at Slower Pace

36:08

18% of race

Average Pace: 7:33 /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 mi10:50:2922:207:1122:20
7:11
#9363
10K
6.21 mi11:13:3545:267:1923:06
7:26
#10429
15K
9.32 mi11:36:151:08:067:1822:40
7:18
#10259
20K
12.43 mi11:59:071:30:587:1922:52
7:22
#10038
Half
13.11 mi12:04:021:35:537:194:55
7:12
#9992
25K
15.53 mi12:22:011:53:527:2017:59
7:25
#9820
30K
18.64 mi12:46:102:18:017:2424:09
7:46
#9738
20M
20.00 mi12:56:422:28:337:2610:32
7:45
#9608
21M
21.00 mi13:05:012:36:527:288:19
8:19
#9552
35K
21.75 mi13:10:422:42:337:285:41
7:36
#9523
23M
23.00 mi13:20:422:52:337:3010:00
7:59
#9510
24M
24.00 mi13:28:343:00:257:317:52
7:52
#9522
40K
24.85 mi13:35:273:07:187:326:53
8:03
#9539
25.2M
25.20 mi13:38:313:10:227:333:04
8:54
#9550
Finish
26.22 mi13:46:113:18:027:347:40
7:31
#9525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9363780578059952(Top 35%)8052(Top 50%)8052(Top 403%)
10K6.21 mi3.10 mi10429-10668384-5798384-57911489(Top 40%)8893(Top 55%)8893(Top 446%)
15K9.32 mi3.11 mi10259+1708277+1078277+1079952(Top 35%)8052(Top 50%)8052(Top 403%)
20K12.43 mi3.11 mi10038+2218125+1528125+1529543(Top 34%)7761(Top 48%)7761(Top 389%)
Half13.11 mi0.68 mi9992+468095+308095+309114(Top 32%)7546(Top 47%)7546(Top 378%)
25K15.53 mi2.42 mi9820+1727974+1217974+1219285(Top 33%)7495(Top 47%)7495(Top 376%)
30K18.64 mi3.11 mi9738+827867+1077867+1079714(Top 34%)7537(Top 47%)7537(Top 378%)
20M20.00 mi1.36 mi9608+1307764+1037764+1038713(Top 31%)6854(Top 43%)6854(Top 343%)
21M21.00 mi1.00 mi9552+567705+597705+599312(Top 33%)6996(Top 43%)6996(Top 351%)
35K21.75 mi0.75 mi9523+297674+317674+319292(Top 33%)6998(Top 43%)6998(Top 351%)
23M23.00 mi1.25 mi9510+137625+497625+499910(Top 35%)7185(Top 45%)7185(Top 360%)
24M24.00 mi1.00 mi9522-127588+377588+3710299(Top 36%)7319(Top 45%)7319(Top 367%)
40K24.85 mi0.85 mi9539-177564+247564+2410526(Top 37%)7311(Top 45%)7311(Top 366%)
25.2M25.20 mi0.35 mi9550-117555+97555+911122(Top 39%)7528(Top 47%)7528(Top 377%)
Finish26.22 mi1.02 mi9525+257493+627493+629340(Top 33%)6626(Top 41%)6626(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9952

Males

8052

M50-54

8052

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11489

Males

8893

M50-54

8893

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9952

Males

8052

M50-54

8052

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9543

Males

7761

M50-54

7761

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9114

Males

7546

M50-54

7546

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9285

Males

7495

M50-54

7495

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9714

Males

7537

M50-54

7537

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8713

Males

6854

M50-54

6854

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9312

Males

6996

M50-54

6996

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9292

Males

6998

M50-54

6998

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9910

Males

7185

M50-54

7185

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10299

Males

7319

M50-54

7319

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10526

Males

7311

M50-54

7311

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11122

Males

7528

M50-54

7528

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9340

Males

6626

M50-54

6626

Passing Analysis

Category:
Athletes Passed
1874*
Passed By
2033
Net Change
-162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9363
5K → 10K281092-1066#9363#10429
10K → 15K26090+170#10429#10259
15K → 20K28967+221#10259#10038
20K → Half63*17+46#10038#9992
Half → 25K23260+172#9992#9820
25K → 30K262180+82#9820#9738
30K → 20M17242+130#9738#9608
20M → 21M11054+56#9608#9552
21M → 35K7546+29#9552#9523
35K → 23M116103+13#9523#9510
23M → 24M8193-12#9510#9522
24M → 40K6784-17#9522#9539
40K → 25.2M2940-11#9539#9550
25.2M → Finish9065+25#9550#9525
TOTALS1874*2033-162

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

📊

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