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BOSTON MARATHON 2025

Peng Liu

Bib: 21586•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:00
Rank: #27001
Start → 5K
33:00 | 10:37/mi
10K· 6.21 mi
59:34
Rank: #24417 (+2584)
5K → 10K
26:34 | 8:33/mi
15K· 9.32 mi
1:27:03
Rank: #23574 (+843)
10K → 15K
27:29 | 8:51/mi
20K· 12.43 mi
1:56:34
Rank: #23384 (+190)
15K → 20K
29:31 | 9:30/mi
Half· 13.11 mi
2:02:02
Rank: #23150 (+234)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:24:32
Rank: #22801 (+349)
Half → 25K
22:30 | 9:17/mi
30K· 18.64 mi
2:52:03
Rank: #21894 (+907)
25K → 30K
27:31 | 8:51/mi
20M
3:05:19
Rank: #21743 (+151)
30K → 20M
13:16 | 9:46/mi
21M
3:16:13
Rank: #21692 (+51)
20M → 21M
10:54 | 10:54/mi
35K· 21.75 mi
3:23:18
Rank: #21641 (+51)
21M → 35K
7:05 | 9:28/mi
23M
3:35:40
Rank: #21535 (+106)
35K → 23M
12:22 | 9:53/mi
24M
3:45:24
Rank: #21480 (+55)
23M → 24M
9:44 | 9:44/mi
40K· 24.85 mi
3:55:01
Rank: #21578 (-98)
24M → 40K
9:37 | 11:15/mi
25.2M
3:59:09
Rank: #21608 (-30)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:09:49
Rank: #21712 (-104)
25.2M → Finish
10:40 | 10:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:02
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:07:47
Pace9:45 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:4933:0010:3733:00
10:37
-
10K
6.21 mi11:57:2359:349:3526:34
8:33
-2:04
15K
9.32 mi12:24:521:27:039:2027:29
8:51
+0:18
20K
12.43 mi12:54:231:56:349:2329:31
9:30
+0:39
Half
13.11 mi12:59:512:02:029:195:28
8:01
-1:29
25K
15.53 mi13:22:212:24:329:1822:30
9:17
+1:16
30K
18.64 mi13:49:522:52:039:1427:31
8:51
-0:26
20M
20.00 mi14:03:083:05:199:1613:16
9:46
+0:55
21M
21.00 mi14:14:023:16:139:2110:54
10:54
+1:08
35K
21.75 mi14:21:073:23:189:217:05
9:28
-1:26
23M
23.00 mi14:33:293:35:409:2312:22
9:53
+0:25
24M
24.00 mi14:43:133:45:249:249:44
9:44
-0:09
40K
24.85 mi14:52:503:55:019:279:37
11:15
+1:31
25.2M
25.20 mi14:56:583:59:099:294:08
11:59
+0:44
Finish
26.22 mi15:07:384:09:499:3210:40
10:28
-1:31

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

8:01 /mi

Average Pace

9:32 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:02

35% of race

Time at Steady Pace

1:34:28

38% of race

Time at Slower Pace

1:08:19

27% of race

Average Pace: 9:32 /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 mi11:30:4933:0010:3733:00
10:37
#27001
10K
6.21 mi11:57:2359:349:3526:34
8:33
#24417
15K
9.32 mi12:24:521:27:039:2027:29
8:51
#23574
20K
12.43 mi12:54:231:56:349:2329:31
9:30
#23384
Half
13.11 mi12:59:512:02:029:195:28
8:01
#23150
25K
15.53 mi13:22:212:24:329:1822:30
9:17
#22801
30K
18.64 mi13:49:522:52:039:1427:31
8:51
#21894
20M
20.00 mi14:03:083:05:199:1613:16
9:46
#21743
21M
21.00 mi14:14:023:16:139:2110:54
10:54
#21692
35K
21.75 mi14:21:073:23:189:217:05
9:28
#21641
23M
23.00 mi14:33:293:35:409:2312:22
9:53
#21535
24M
24.00 mi14:43:133:45:249:249:44
9:44
#21480
40K
24.85 mi14:52:503:55:019:279:37
11:15
#21578
25.2M
25.20 mi14:56:583:59:099:294:08
11:59
#21608
Finish
26.22 mi15:07:384:09:499:3210:40
10:28
#21712
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi27001156011560121258(Top 75%)13060(Top 81%)13060(Top 1037%)
10K6.21 mi3.10 mi24417+258414449+115214449+115220095(Top 71%)12525(Top 78%)12525(Top 995%)
15K9.32 mi3.11 mi23574+84314065+38414065+38421258(Top 75%)13060(Top 81%)13060(Top 1037%)
20K12.43 mi3.11 mi23384+19013988+7713988+7722896(Top 81%)13743(Top 85%)13743(Top 1092%)
Half13.11 mi0.68 mi23150+23413880+10813880+10815985(Top 56%)10788(Top 67%)10788(Top 857%)
25K15.53 mi2.42 mi22801+34913705+17513705+17521095(Top 74%)12892(Top 80%)12892(Top 1024%)
30K18.64 mi3.11 mi21894+90713272+43313272+43316934(Top 60%)10896(Top 68%)10896(Top 865%)
20M20.00 mi1.36 mi21743+15113192+8013192+8020164(Top 71%)12223(Top 76%)12223(Top 971%)
21M21.00 mi1.00 mi21692+5113141+5113141+5121122(Top 74%)12558(Top 78%)12558(Top 997%)
35K21.75 mi0.75 mi21641+5113109+3213109+3220216(Top 71%)12079(Top 75%)12079(Top 959%)
23M23.00 mi1.25 mi21535+10613028+8113028+8120068(Top 71%)11936(Top 74%)11936(Top 948%)
24M24.00 mi1.00 mi21480+5512985+4312985+4320495(Top 72%)12097(Top 75%)12097(Top 961%)
40K24.85 mi0.85 mi21578-9813004-1913004-1923655(Top 83%)13588(Top 84%)13588(Top 1079%)
25.2M25.20 mi0.35 mi21608-3013003+113003+123178(Top 82%)13365(Top 83%)13365(Top 1062%)
Finish26.22 mi1.02 mi21712-10413034-3113034-3124198(Top 85%)13866(Top 86%)13866(Top 1101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21258

Males

13060

M60-64

13060

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20095

Males

12525

M60-64

12525

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21258

Males

13060

M60-64

13060

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22896

Males

13743

M60-64

13743

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15985

Males

10788

M60-64

10788

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21095

Males

12892

M60-64

12892

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16934

Males

10896

M60-64

10896

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20164

Males

12223

M60-64

12223

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

21122

Males

12558

M60-64

12558

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20216

Males

12079

M60-64

12079

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20068

Males

11936

M60-64

11936

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20495

Males

12097

M60-64

12097

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23655

Males

13588

M60-64

13588

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23178

Males

13365

M60-64

13365

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24198

Males

13866

M60-64

13866

Passing Analysis

Category:
Athletes Passed
5811
Passed By
522
Net Change
+5289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27001
5K → 10K25840+2584#27001#24417
10K → 15K8452+843#24417#23574
15K → 20K25262+190#23574#23384
20K → Half2340+234#23384#23150
Half → 25K35910+349#23150#22801
25K → 30K9081+907#22801#21894
30K → 20M17524+151#21894#21743
20M → 21M10554+51#21743#21692
21M → 35K6716+51#21692#21641
35K → 23M13529+106#21641#21535
23M → 24M8833+55#21535#21480
24M → 40K27125-98#21480#21578
40K → 25.2M1343-30#21578#21608
25.2M → Finish19123-104#21608#21712
TOTALS5811522+5289
📊

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