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BOSTON MARATHON 2025

Man Yiu Liu

Bib: 13141•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M50-54)
#0 / 1996
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:50
Rank: #8037
Start → 5K
21:50 | 7:02/mi
10K· 6.21 mi
43:13
Rank: #7555 (+482)
5K → 10K
21:23 | 6:53/mi
15K· 9.32 mi
1:04:46
Rank: #7428 (+127)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:27:28
Rank: #7746 (-318)
15K → 20K
22:42 | 7:18/mi
Half· 13.11 mi
1:32:25
Rank: #7824 (-78)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:50:51
Rank: #8190 (-366)
Half → 25K
18:26 | 7:36/mi
30K· 18.64 mi
2:15:33
Rank: #8609 (-419)
25K → 30K
24:42 | 7:57/mi
20M
2:28:22
Rank: #9540 (-931)
30K → 20M
12:49 | 9:26/mi
21M
2:37:32
Rank: #9810 (-270)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:43:44
Rank: #9986 (-176)
21M → 35K
6:12 | 8:17/mi
23M
2:55:18
Rank: #10523 (-537)
35K → 23M
11:34 | 9:14/mi
24M
3:04:09
Rank: #10794 (-271)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:13:02
Rank: #11405 (-611)
24M → 40K
8:53 | 10:23/mi
25.2M
3:16:42
Rank: #11593 (-188)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:25:52
Rank: #11945 (-352)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:25
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2821:507:0221:50
7:02
-
10K
6.21 mi11:11:5143:136:5721:23
6:53
-0:09
15K
9.32 mi11:33:241:04:466:5721:33
6:56
+0:03
20K
12.43 mi11:56:061:27:287:0222:42
7:18
+0:22
Half
13.11 mi12:01:031:32:257:034:57
7:15
-0:03
25K
15.53 mi12:19:291:50:517:0818:26
7:36
+0:21
30K
18.64 mi12:44:112:15:337:1624:42
7:57
+0:21
20M
20.00 mi12:57:002:28:227:2512:49
9:26
+1:29
21M
21.00 mi13:06:102:37:327:309:10
9:10
-0:16
35K
21.75 mi13:12:222:43:447:326:12
8:17
-0:53
23M
23.00 mi13:23:562:55:187:3711:34
9:14
+0:57
24M
24.00 mi13:32:473:04:097:408:51
8:51
-0:23
40K
24.85 mi13:41:403:13:027:468:53
10:23
+1:32
25.2M
25.20 mi13:45:203:16:427:483:40
10:38
+0:15
Finish
26.22 mi13:54:303:25:527:519:10
9:00
-1:38

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

6:53 /mi

Average Pace

7:51 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:51

54% of race

Time at Steady Pace

39:45

19% of race

Time at Slower Pace

55:16

27% of race

Average Pace: 7:51 /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 mi10:50:2821:507:0221:50
7:02
#8037
10K
6.21 mi11:11:5143:136:5721:23
6:53
#7555
15K
9.32 mi11:33:241:04:466:5721:33
6:56
#7428
20K
12.43 mi11:56:061:27:287:0222:42
7:18
#7746
Half
13.11 mi12:01:031:32:257:034:57
7:15
#7824
25K
15.53 mi12:19:291:50:517:0818:26
7:36
#8190
30K
18.64 mi12:44:112:15:337:1624:42
7:57
#8609
20M
20.00 mi12:57:002:28:227:2512:49
9:26
#9540
21M
21.00 mi13:06:102:37:327:309:10
9:10
#9810
35K
21.75 mi13:12:222:43:447:326:12
8:17
#9986
23M
23.00 mi13:23:562:55:187:3711:34
9:14
#10523
24M
24.00 mi13:32:473:04:097:408:51
8:51
#10794
40K
24.85 mi13:41:403:13:027:468:53
10:23
#11405
25.2M
25.20 mi13:45:203:16:427:483:40
10:38
#11593
Finish
26.22 mi13:54:303:25:527:519:10
9:00
#11945
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8037702470247212(Top 25%)6411(Top 40%)6411(Top 321%)
10K6.21 mi3.10 mi7555+4826694+3306694+3307118(Top 25%)6370(Top 40%)6370(Top 319%)
15K9.32 mi3.11 mi7428+1276596+986596+987212(Top 25%)6411(Top 40%)6411(Top 321%)
20K12.43 mi3.11 mi7746-3186799-2036799-2039092(Top 32%)7507(Top 47%)7507(Top 376%)
Half13.11 mi0.68 mi7824-786843-446843-449592(Top 34%)7827(Top 49%)7827(Top 392%)
25K15.53 mi2.42 mi8190-3667041-1987041-19810780(Top 38%)8279(Top 51%)8279(Top 415%)
30K18.64 mi3.11 mi8609-4197250-2097250-20911025(Top 39%)8200(Top 51%)8200(Top 411%)
20M20.00 mi1.36 mi9540-9317724-4747724-47418852(Top 66%)11612(Top 72%)11612(Top 582%)
21M21.00 mi1.00 mi9810-2707849-1257849-12514409(Top 51%)9520(Top 59%)9520(Top 477%)
35K21.75 mi0.75 mi9986-1767898-497898-4914144(Top 50%)9341(Top 58%)9341(Top 468%)
23M23.00 mi1.25 mi10523-5378135-2378135-23717488(Top 62%)10723(Top 67%)10723(Top 537%)
24M24.00 mi1.00 mi10794-2718218-838218-8316554(Top 58%)10269(Top 64%)10269(Top 514%)
40K24.85 mi0.85 mi11405-6118470-2528470-25221602(Top 76%)12556(Top 78%)12556(Top 629%)
25.2M25.20 mi0.35 mi11593-1888558-888558-8819407(Top 68%)11481(Top 71%)11481(Top 575%)
Finish26.22 mi1.02 mi11945-3528691-1338691-13318982(Top 67%)11336(Top 70%)11336(Top 568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7212

Males

6411

M50-54

6411

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7118

Males

6370

M50-54

6370

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7212

Males

6411

M50-54

6411

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9092

Males

7507

M50-54

7507

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9592

Males

7827

M50-54

7827

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10780

Males

8279

M50-54

8279

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11025

Males

8200

M50-54

8200

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18852

Males

11612

M50-54

11612

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14409

Males

9520

M50-54

9520

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14144

Males

9341

M50-54

9341

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17488

Males

10723

M50-54

10723

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16554

Males

10269

M50-54

10269

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21602

Males

12556

M50-54

12556

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19407

Males

11481

M50-54

11481

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18982

Males

11336

M50-54

11336

Passing Analysis

Category:
Athletes Passed
1105
Passed By
5010
Net Change
-3908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8037
5K → 10K52846+482#8037#7555
10K → 15K20174+127#7555#7428
15K → 20K58376-318#7428#7746
20K → Half684-78#7746#7824
Half → 25K47413-366#7824#8190
25K → 30K99518-419#8190#8609
30K → 20M13944-931#8609#9540
20M → 21M34304-270#9540#9810
21M → 35K36211-176#9810#9986
35K → 23M22557-537#9986#10523
23M → 24M32303-271#10523#10794
24M → 40K5616-611#10794#11405
40K → 25.2M8196-188#11405#11593
25.2M → Finish16368-352#11593#11945
TOTALS11055010-3908
📊

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