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BOSTON MARATHON 2025

Zhihai Huang

Bib: 15788•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M55-59)
#0 / 1648
Top 23%
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
7:06/mi
22:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
44:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:07:23
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:30:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:35:57
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:54:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:19:26
↑ 181↓ 1480.2%
20M
8:11/mi
2:30:33
↑ 64↓ 500.2%
21M
8:43/mi
2:39:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:45:13
↑ 17↓ 861.7%
23M
8:31/mi
2:55:53
↑ 23↓ 630.6%
24M
8:14/mi
3:04:07
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:11:18
↓ 200.3%
25.2M
9:05/mi
3:14:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:22:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:57
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:46:43
Pace8:08 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0522:037:0622:03
7:06
-
10K
6.21 mi11:15:4144:397:1122:36
7:16
+0:10
15K
9.32 mi11:38:251:07:237:1422:44
7:19
+0:03
20K
12.43 mi12:01:581:30:567:1923:33
7:35
+0:16
Half
13.11 mi12:06:591:35:577:195:01
7:21
-0:14
25K
15.53 mi12:25:341:54:327:2218:35
7:40
+0:19
30K
18.64 mi12:50:282:19:267:2924:54
8:01
+0:21
20M
20.00 mi13:01:352:30:337:3211:07
8:11
+0:10
21M
21.00 mi13:10:182:39:167:358:43
8:43
+0:32
35K
21.75 mi13:16:152:45:137:365:57
7:57
-0:46
23M
23.00 mi13:26:552:55:537:3910:40
8:31
+0:34
24M
24.00 mi13:35:093:04:077:408:14
8:14
-0:17
40K
24.85 mi13:42:203:11:187:427:11
8:24
+0:10
25.2M
25.20 mi13:45:283:14:267:433:08
9:05
+0:41
Finish
26.22 mi13:53:423:22:407:448:14
8:05
-1:00

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

7:06 /mi

Average Pace

7:44 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:32

57% of race

Time at Steady Pace

58:26

29% of race

Time at Slower Pace

29:42

15% of race

Average Pace: 7:44 /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 mi10:53:0522:037:0622:03
7:06
#8614
10K
6.21 mi11:15:4144:397:1122:36
7:16
#9333
15K
9.32 mi11:38:251:07:237:1422:44
7:19
#9572
20K
12.43 mi12:01:581:30:567:1923:33
7:35
#10019
Half
13.11 mi12:06:591:35:577:195:01
7:21
#10039
25K
15.53 mi12:25:341:54:327:2218:35
7:40
#10212
30K
18.64 mi12:50:282:19:267:2924:54
8:01
#10404
20M
20.00 mi13:01:352:30:337:3211:07
8:11
#10488
21M
21.00 mi13:10:182:39:167:358:43
8:43
#10558
35K
21.75 mi13:16:152:45:137:365:57
7:57
#10579
23M
23.00 mi13:26:552:55:537:3910:40
8:31
#10718
24M
24.00 mi13:35:093:04:077:408:14
8:14
#10779
40K
24.85 mi13:42:203:11:187:427:11
8:24
#10841
25.2M
25.20 mi13:45:283:14:267:433:08
9:05
#10860
Finish
26.22 mi13:53:423:22:407:448:14
8:05
#10932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi86147391739110120(Top 36%)8152(Top 51%)8152(Top 495%)
10K6.21 mi3.10 mi9333-7197799-4087799-40810136(Top 36%)8225(Top 51%)8225(Top 499%)
15K9.32 mi3.11 mi9572-2397912-1137912-11310120(Top 36%)8152(Top 51%)8152(Top 495%)
20K12.43 mi3.11 mi10019-4478115-2038115-20311422(Top 40%)8696(Top 54%)8696(Top 528%)
Half13.11 mi0.68 mi10039-208122-78122-710450(Top 37%)8263(Top 51%)8263(Top 501%)
25K15.53 mi2.42 mi10212-1738175-538175-5311247(Top 40%)8502(Top 53%)8502(Top 516%)
30K18.64 mi3.11 mi10404-1928221-468221-4611472(Top 40%)8422(Top 52%)8422(Top 511%)
20M20.00 mi1.36 mi10488-848215+68215+611667(Top 41%)8357(Top 52%)8357(Top 507%)
21M21.00 mi1.00 mi10558-708211+48211+411761(Top 41%)8253(Top 51%)8253(Top 501%)
35K21.75 mi0.75 mi10579-218200+118200+1111890(Top 42%)8260(Top 51%)8260(Top 501%)
23M23.00 mi1.25 mi10718-1398221-218221-2113398(Top 47%)8883(Top 55%)8883(Top 539%)
24M24.00 mi1.00 mi10779-618211+108211+1012768(Top 45%)8531(Top 53%)8531(Top 518%)
40K24.85 mi0.85 mi10841-628204+78204+712769(Top 45%)8410(Top 52%)8410(Top 510%)
25.2M25.20 mi0.35 mi10860-198199+58199+512207(Top 43%)8091(Top 50%)8091(Top 491%)
Finish26.22 mi1.02 mi10932-728198+18198+113403(Top 47%)8711(Top 54%)8711(Top 529%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10120

Males

8152

M55-59

8152

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10136

Males

8225

M55-59

8225

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10120

Males

8152

M55-59

8152

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11422

Males

8696

M55-59

8696

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10450

Males

8263

M55-59

8263

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11247

Males

8502

M55-59

8502

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11472

Males

8422

M55-59

8422

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11667

Males

8357

M55-59

8357

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11761

Males

8253

M55-59

8253

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11890

Males

8260

M55-59

8260

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13398

Males

8883

M55-59

8883

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12768

Males

8531

M55-59

8531

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12769

Males

8410

M55-59

8410

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12207

Males

8091

M55-59

8091

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13403

Males

8711

M55-59

8711

Passing Analysis

Category:
Athletes Passed
1010
Passed By
3324
Net Change
-2318
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8614
5K → 10K45764-719#8614#9333
10K → 15K84323-239#9333#9572
15K → 20K86531-447#9572#10019
20K → Half2444-20#10019#10039
Half → 25K113285-173#10039#10212
25K → 30K174365-192#10212#10404
30K → 20M96180-84#10404#10488
20M → 21M89159-70#10488#10558
21M → 35K4667-21#10558#10579
35K → 23M73212-139#10579#10718
23M → 24M58119-61#10718#10779
24M → 40K49111-62#10779#10841
40K → 25.2M2847-19#10841#10860
25.2M → Finish45117-72#10860#10932
TOTALS10103324-2318
📊

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