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BOSTON MARATHON 2025

Shihui Mang

Bib: 3726•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M55-59)
#0 / 1648
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #4238
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:39
Rank: #4074 (+164)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:01:09
Rank: #4101 (-27)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:02
Rank: #4169 (-68)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:26:35
Rank: #4208 (-39)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:42:58
Rank: #4208
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:04:56
Rank: #4333 (-125)
25K → 30K
21:58 | 7:04/mi
20M
2:14:43
Rank: #4392 (-59)
30K → 20M
9:47 | 7:12/mi
21M
2:22:32
Rank: #4507 (-115)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:27:40
Rank: #4476 (+31)
21M → 35K
5:08 | 6:52/mi
23M
2:36:33
Rank: #4434 (+42)
35K → 23M
8:53 | 7:06/mi
24M
2:43:45
Rank: #4493 (-59)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:49:55
Rank: #4510 (-17)
24M → 40K
6:10 | 7:13/mi
25.2M
2:52:46
Rank: #4572 (-62)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:00:41
Rank: #4845 (-273)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:35
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:34:06
Pace7:11 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5720:226:3320:22
6:33
-
10K
6.21 mi10:43:1440:396:3320:17
6:32
-0:01
15K
9.32 mi11:03:441:01:096:3420:30
6:36
+0:04
20K
12.43 mi11:24:371:22:026:3620:53
6:43
+0:07
Half
13.11 mi11:29:101:26:356:364:33
6:40
-0:03
25K
15.53 mi11:45:331:42:586:3816:23
6:45
+0:05
30K
18.64 mi12:07:312:04:566:4221:58
7:04
+0:19
20M
20.00 mi12:17:182:14:436:449:47
7:12
+0:08
21M
21.00 mi12:25:072:22:326:477:49
7:49
+0:37
35K
21.75 mi12:30:152:27:406:475:08
6:52
-0:57
23M
23.00 mi12:39:082:36:336:488:53
7:06
+0:14
24M
24.00 mi12:46:202:43:456:497:12
7:12
+0:06
40K
24.85 mi12:52:302:49:556:506:10
7:13
+0:01
25.2M
25.20 mi12:55:212:52:466:512:51
8:16
+1:03
Finish
26.22 mi13:03:163:00:416:547:55
7:46
-0:30

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

6:32 /mi

Average Pace

6:54 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:58

57% of race

Time at Steady Pace

59:08

33% of race

Time at Slower Pace

18:35

10% of race

Average Pace: 6:53 /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 mi10:22:5720:226:3320:22
6:33
#4238
10K
6.21 mi10:43:1440:396:3320:17
6:32
#4074
15K
9.32 mi11:03:441:01:096:3420:30
6:36
#4101
20K
12.43 mi11:24:371:22:026:3620:53
6:43
#4169
Half
13.11 mi11:29:101:26:356:364:33
6:40
#4208
25K
15.53 mi11:45:331:42:586:3816:23
6:45
#4208
30K
18.64 mi12:07:312:04:566:4221:58
7:04
#4333
20M
20.00 mi12:17:182:14:436:449:47
7:12
#4392
21M
21.00 mi12:25:072:22:326:477:49
7:49
#4507
35K
21.75 mi12:30:152:27:406:475:08
6:52
#4476
23M
23.00 mi12:39:082:36:336:488:53
7:06
#4434
24M
24.00 mi12:46:202:43:456:497:12
7:12
#4493
40K
24.85 mi12:52:302:49:556:506:10
7:13
#4510
25.2M
25.20 mi12:55:212:52:466:512:51
8:16
#4572
Finish
26.22 mi13:03:163:00:416:547:55
7:46
#4845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi4238398739874209(Top 15%)3958(Top 25%)3958(Top 240%)
10K6.21 mi3.10 mi4074+1643841+1463841+1463926(Top 14%)3697(Top 23%)3697(Top 224%)
15K9.32 mi3.11 mi4101-273865-243865-244209(Top 15%)3958(Top 25%)3958(Top 240%)
20K12.43 mi3.11 mi4169-683923-583923-584610(Top 16%)4283(Top 27%)4283(Top 260%)
Half13.11 mi0.68 mi4208-393957-343957-344964(Top 17%)4593(Top 29%)4593(Top 279%)
25K15.53 mi2.42 mi42083952+53952+54531(Top 16%)4187(Top 26%)4187(Top 254%)
30K18.64 mi3.11 mi4333-1254052-1004052-1005137(Top 18%)4649(Top 29%)4649(Top 282%)
20M20.00 mi1.36 mi4392-594095-434095-435171(Top 18%)4601(Top 29%)4601(Top 279%)
21M21.00 mi1.00 mi4507-1154183-884183-886246(Top 22%)5214(Top 32%)5214(Top 316%)
35K21.75 mi0.75 mi4476+314148+354148+354468(Top 16%)3970(Top 25%)3970(Top 241%)
23M23.00 mi1.25 mi4434+424102+464102+464282(Top 15%)3794(Top 24%)3794(Top 230%)
24M24.00 mi1.00 mi4493-594142-404142-405795(Top 20%)4783(Top 30%)4783(Top 290%)
40K24.85 mi0.85 mi4510-174145-34145-35098(Top 18%)4269(Top 27%)4269(Top 259%)
25.2M25.20 mi0.35 mi4572-624197-524197-527321(Top 26%)5486(Top 34%)5486(Top 333%)
Finish26.22 mi1.02 mi4845-2734423-2264423-22611158(Top 39%)7576(Top 47%)7576(Top 460%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4209

Males

3958

M55-59

3958

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3926

Males

3697

M55-59

3697

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4209

Males

3958

M55-59

3958

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4610

Males

4283

M55-59

4283

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4964

Males

4593

M55-59

4593

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4531

Males

4187

M55-59

4187

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5137

Males

4649

M55-59

4649

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5171

Males

4601

M55-59

4601

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6246

Males

5214

M55-59

5214

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4468

Males

3970

M55-59

3970

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4282

Males

3794

M55-59

3794

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5795

Males

4783

M55-59

4783

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5098

Males

4269

M55-59

4269

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7321

Males

5486

M55-59

5486

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11158

Males

7576

M55-59

7576

Passing Analysis

Category:
Athletes Passed
946
Passed By
1553
Net Change
-607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4238
5K → 10K24682+164#4238#4074
10K → 15K80107-27#4074#4101
15K → 20K86154-68#4101#4169
20K → Half746-39#4169#4208
Half → 25K90900#4208#4208
25K → 30K103228-125#4208#4333
30K → 20M53112-59#4333#4392
20M → 21M39154-115#4392#4507
21M → 35K5726+31#4507#4476
35K → 23M8644+42#4476#4434
23M → 24M3998-59#4434#4493
24M → 40K4663-17#4493#4510
40K → 25.2M971-62#4510#4572
25.2M → Finish5278-273#4572#4845
TOTALS9461553-607
📊

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