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BOSTON MARATHON 2025

Haoxiang Zhu

Bib: 29760•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

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
8:56/mi
27:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:52/mi
55:18
↑ 79↓ 1380.4%
15K· 9.32 mi
9:31/mi
1:24:51
↑ 67↓ 78
20K· 12.43 mi
12:14/mi
2:02:51
↑ 106↓ 860.1%
Half· 13.11 mi
10:58/mi
2:10:20
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:36:30
↑ 66↓ 880.2%
30K· 18.64 mi
11:37/mi
3:12:36
↑ 181↓ 1480.2%
20M
11:02/mi
3:27:35
↑ 64↓ 500.2%
21M
13:13/mi
3:40:48
↑ 106↓ 241.6%
35K· 21.75 mi
11:07/mi
3:49:07
↑ 17↓ 861.7%
23M
12:14/mi
4:04:26
↑ 23↓ 630.6%
24M
10:33/mi
4:14:59
↓ 821.3%
40K· 24.85 mi
10:22/mi
4:23:51
↓ 200.3%
25.2M
11:16/mi
4:27:44
↑ 13↓ 160.2%
Finish· 26.22 mi
9:41/mi
4:37:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:20
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:27:16
Pace11:14 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0527:448:5627:44
8:56
-
10K
6.21 mi12:14:3955:188:5427:34
8:52
-0:04
15K
9.32 mi12:44:121:24:519:0629:33
9:31
+0:39
20K
12.43 mi13:22:122:02:519:5338:00
12:14
+2:43
Half
13.11 mi13:29:412:10:209:577:29
10:58
-1:16
25K
15.53 mi13:55:512:36:3010:0426:10
10:48
-0:10
30K
18.64 mi14:31:573:12:3610:2036:06
11:37
+0:49
20M
20.00 mi14:46:563:27:3510:2314:59
11:02
-0:35
21M
21.00 mi15:00:093:40:4810:3113:13
13:13
+2:11
35K
21.75 mi15:08:283:49:0710:328:19
11:07
-2:06
23M
23.00 mi15:23:474:04:2610:3815:19
12:14
+1:07
24M
24.00 mi15:34:204:14:5910:3710:33
10:33
-1:41
40K
24.85 mi15:43:124:23:5110:378:52
10:22
-0:11
25.2M
25.20 mi15:47:054:27:4410:373:53
11:16
+0:54
Finish
26.22 mi15:56:574:37:3610:369:52
9:41
-1:35

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

8:52 /mi

Average Pace

10:36 /mi

Slowest Pace

13:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:35

37% of race

Time at Steady Pace

1:11:23

26% of race

Time at Slower Pace

1:42:38

37% of race

Average Pace: 10:35 /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 mi11:47:0527:448:5627:44
8:56
#22114
10K
6.21 mi12:14:3955:188:5427:34
8:52
#21952
15K
9.32 mi12:44:121:24:519:0629:33
9:31
#22712
20K
12.43 mi13:22:122:02:519:5338:00
12:14
#24722
Half
13.11 mi13:29:412:10:209:577:29
10:58
#24843
25K
15.53 mi13:55:512:36:3010:0426:10
10:48
#24887
30K
18.64 mi14:31:573:12:3610:2036:06
11:37
#24935
20M
20.00 mi14:46:563:27:3510:2314:59
11:02
#24850
21M
21.00 mi15:00:093:40:4810:3113:13
13:13
#24886
35K
21.75 mi15:08:283:49:0710:328:19
11:07
#24885
23M
23.00 mi15:23:474:04:2610:3815:19
12:14
#24932
24M
24.00 mi15:34:204:14:5910:3710:33
10:33
#24870
40K
24.85 mi15:43:124:23:5110:378:52
10:22
#24767
25.2M
25.20 mi15:47:054:27:4410:373:53
11:16
#24729
Finish
26.22 mi15:56:574:37:3610:369:52
9:41
#24665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22114133641336423776(Top 84%)14186(Top 88%)14186(Top 711%)
10K6.21 mi3.10 mi21952+16213312+5213312+5221761(Top 77%)13248(Top 82%)13248(Top 664%)
15K9.32 mi3.11 mi22712-76013686-37413686-37423776(Top 84%)14186(Top 88%)14186(Top 711%)
20K12.43 mi3.11 mi24722-201014576-89014576-89027297(Top 96%)15648(Top 97%)15648(Top 784%)
Half13.11 mi0.68 mi24843-12114631-5514631-5526452(Top 93%)15290(Top 95%)15290(Top 766%)
25K15.53 mi2.42 mi24887-4414629+214629+224889(Top 88%)14599(Top 91%)14599(Top 731%)
30K18.64 mi3.11 mi24935-4814630-114630-125028(Top 88%)14541(Top 90%)14541(Top 729%)
20M20.00 mi1.36 mi24850+8514573+5714573+5723641(Top 83%)13821(Top 86%)13821(Top 692%)
21M21.00 mi1.00 mi24886-36145731457325334(Top 89%)14540(Top 90%)14540(Top 728%)
35K21.75 mi0.75 mi24885+114572+114572+124463(Top 86%)14091(Top 87%)14091(Top 706%)
23M23.00 mi1.25 mi24932-47145721457225451(Top 90%)14552(Top 90%)14552(Top 729%)
24M24.00 mi1.00 mi24870+6214536+3614536+3622957(Top 81%)13289(Top 83%)13289(Top 666%)
40K24.85 mi0.85 mi24767+10314471+6514471+6521575(Top 76%)12554(Top 78%)12554(Top 629%)
25.2M25.20 mi0.35 mi24729+3814448+2314448+2321419(Top 75%)12508(Top 78%)12508(Top 627%)
Finish26.22 mi1.02 mi24665+6414415+3314415+3321854(Top 77%)12718(Top 79%)12718(Top 637%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23776

Males

14186

M50-54

14186

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21761

Males

13248

M50-54

13248

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23776

Males

14186

M50-54

14186

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27297

Males

15648

M50-54

15648

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26452

Males

15290

M50-54

15290

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24889

Males

14599

M50-54

14599

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25028

Males

14541

M50-54

14541

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23641

Males

13821

M50-54

13821

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25334

Males

14540

M50-54

14540

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24463

Males

14091

M50-54

14091

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

25451

Males

14552

M50-54

14552

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22957

Males

13289

M50-54

13289

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21575

Males

12554

M50-54

12554

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21419

Males

12508

M50-54

12508

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21854

Males

12718

M50-54

12718

Passing Analysis

Category:
Athletes Passed
1080
Passed By
3631
Net Change
-2551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22114
5K → 10K350188+162#22114#21952
10K → 15K40800-760#21952#22712
15K → 20K22012-2010#22712#24722
20K → Half5126-121#24722#24843
Half → 25K82126-44#24843#24887
25K → 30K109157-48#24887#24935
30K → 20M10520+85#24935#24850
20M → 21M4177-36#24850#24886
21M → 35K3837+1#24886#24885
35K → 23M2572-47#24885#24932
23M → 24M675+62#24932#24870
24M → 40K1030+103#24870#24767
40K → 25.2M413+38#24767#24729
25.2M → Finish728+64#24729#24665
TOTALS10803631-2551
📊

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