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BOSTON MARATHON 2025

Cheng Ying Cheng

Bib: 6217•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:59
Rank: #11289
Start → 5K
22:59 | 7:24/mi
10K· 6.21 mi
46:31
Rank: #12011 (-722)
5K → 10K
23:32 | 7:34/mi
15K· 9.32 mi
1:11:22
Rank: #13374 (-1363)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:35:28
Rank: #13205 (+169)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:40:39
Rank: #13168 (+37)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:47
Rank: #13106 (+62)
Half → 25K
19:08 | 7:53/mi
30K· 18.64 mi
2:25:05
Rank: #12921 (+185)
25K → 30K
25:18 | 8:09/mi
20M
2:36:16
Rank: #12844 (+77)
30K → 20M
11:11 | 8:14/mi
21M
2:45:11
Rank: #12844
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:51:17
Rank: #12838 (+6)
21M → 35K
6:06 | 8:09/mi
23M
3:02:09
Rank: #12912 (-74)
35K → 23M
10:52 | 8:41/mi
24M
3:10:35
Rank: #12973 (-61)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:17:54
Rank: #12989 (-16)
24M → 40K
7:19 | 8:33/mi
25.2M
3:21:03
Rank: #12987 (+2)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:29:20
Rank: #13020 (-33)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:48:41
Pace8:17 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:3722:597:2422:59
7:24
-
10K
6.21 mi10:53:0946:317:2923:32
7:34
+0:10
15K
9.32 mi11:18:001:11:227:3924:51
8:00
+0:26
20K
12.43 mi11:42:061:35:287:4124:06
7:45
-0:15
Half
13.11 mi11:47:171:40:397:415:11
7:36
-0:09
25K
15.53 mi12:06:251:59:477:4319:08
7:53
+0:17
30K
18.64 mi12:31:432:25:057:4725:18
8:09
+0:16
20M
20.00 mi12:42:542:36:167:4911:11
8:14
+0:05
21M
21.00 mi12:51:492:45:117:528:55
8:55
+0:41
35K
21.75 mi12:57:552:51:177:536:06
8:09
-0:46
23M
23.00 mi13:08:473:02:097:5510:52
8:41
+0:32
24M
24.00 mi13:17:133:10:357:568:26
8:26
-0:15
40K
24.85 mi13:24:323:17:547:587:19
8:33
+0:07
25.2M
25.20 mi13:27:413:21:037:593:09
9:08
+0:35
Finish
26.22 mi13:35:583:29:207:598:17
8:08
-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

7:24 /mi

Average Pace

7:59 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:56

45% of race

Time at Steady Pace

1:15:43

36% of race

Time at Slower Pace

38:41

18% of race

Average Pace: 7:59 /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 mi10:29:3722:597:2422:59
7:24
#11289
10K
6.21 mi10:53:0946:317:2923:32
7:34
#12011
15K
9.32 mi11:18:001:11:227:3924:51
8:00
#13374
20K
12.43 mi11:42:061:35:287:4124:06
7:45
#13205
Half
13.11 mi11:47:171:40:397:415:11
7:36
#13168
25K
15.53 mi12:06:251:59:477:4319:08
7:53
#13106
30K
18.64 mi12:31:432:25:057:4725:18
8:09
#12921
20M
20.00 mi12:42:542:36:167:4911:11
8:14
#12844
21M
21.00 mi12:51:492:45:117:528:55
8:55
#12844
35K
21.75 mi12:57:552:51:177:536:06
8:09
#12838
23M
23.00 mi13:08:473:02:097:5510:52
8:41
#12912
24M
24.00 mi13:17:133:10:357:568:26
8:26
#12973
40K
24.85 mi13:24:323:17:547:587:19
8:33
#12989
25.2M
25.20 mi13:27:413:21:037:593:09
9:08
#12987
Finish
26.22 mi13:35:583:29:207:598:17
8:08
#13020
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi112898842884216026(Top 56%)10815(Top 67%)10815(Top 481%)
10K6.21 mi3.10 mi12011-7229160-3189160-31812783(Top 45%)9504(Top 59%)9504(Top 423%)
15K9.32 mi3.11 mi13374-13639720-5609720-56016026(Top 56%)10815(Top 67%)10815(Top 481%)
20K12.43 mi3.11 mi13205+1699611+1099611+10912901(Top 45%)9375(Top 58%)9375(Top 417%)
Half13.11 mi0.68 mi13168+379591+209591+2012517(Top 44%)9247(Top 57%)9247(Top 412%)
25K15.53 mi2.42 mi13106+629529+629529+6213026(Top 46%)9300(Top 58%)9300(Top 414%)
30K18.64 mi3.11 mi12921+1859384+1459384+14512386(Top 44%)8859(Top 55%)8859(Top 394%)
20M20.00 mi1.36 mi12844+779318+669318+6611994(Top 42%)8529(Top 53%)8529(Top 380%)
21M21.00 mi1.00 mi128449284+349284+3413005(Top 46%)8843(Top 55%)8843(Top 394%)
35K21.75 mi0.75 mi12838+69268+169268+1613266(Top 47%)8922(Top 55%)8922(Top 397%)
23M23.00 mi1.25 mi12912-749264+49264+414397(Top 51%)9347(Top 58%)9347(Top 416%)
24M24.00 mi1.00 mi12973-619250+149250+1414073(Top 50%)9172(Top 57%)9172(Top 408%)
40K24.85 mi0.85 mi12989-169226+249226+2413766(Top 48%)8891(Top 55%)8891(Top 396%)
25.2M25.20 mi0.35 mi12987+29221+59221+512508(Top 44%)8237(Top 51%)8237(Top 367%)
Finish26.22 mi1.02 mi13020-339215+69215+613770(Top 48%)8894(Top 55%)8894(Top 396%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

16026

Males

10815

M40-44

10815

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12783

Males

9504

M40-44

9504

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

16026

Males

10815

M40-44

10815

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12901

Males

9375

M40-44

9375

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12517

Males

9247

M40-44

9247

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13026

Males

9300

M40-44

9300

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12386

Males

8859

M40-44

8859

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11994

Males

8529

M40-44

8529

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13005

Males

8843

M40-44

8843

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13266

Males

8922

M40-44

8922

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14397

Males

9347

M40-44

9347

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14073

Males

9172

M40-44

9172

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13766

Males

8891

M40-44

8891

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12508

Males

8237

M40-44

8237

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13770

Males

8894

M40-44

8894

Passing Analysis

Category:
Athletes Passed
1543
Passed By
3274
Net Change
-1731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11289
5K → 10K57779-722#11289#12011
10K → 15K191382-1363#12011#13374
15K → 20K273104+169#13374#13205
20K → Half5518+37#13205#13168
Half → 25K191129+62#13168#13106
25K → 30K324139+185#13106#12921
30K → 20M16285+77#12921#12844
20M → 21M1041040#12844#12844
21M → 35K5448+6#12844#12838
35K → 23M89163-74#12838#12912
23M → 24M64125-61#12912#12973
24M → 40K6581-16#12973#12989
40K → 25.2M2927+2#12989#12987
25.2M → Finish5790-33#12987#13020
TOTALS15433274-1731
📊

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