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BOSTON MARATHON 2025

Chuanli Liu

Bib: 19397•M

MI

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
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:24
Rank: #17931
Start → 5K
25:24 | 8:11/mi
10K· 6.21 mi
50:31
Rank: #17479 (+452)
5K → 10K
25:07 | 8:05/mi
15K· 9.32 mi
1:15:48
Rank: #17313 (+166)
10K → 15K
25:17 | 8:08/mi
20K· 12.43 mi
1:41:40
Rank: #17215 (+98)
15K → 20K
25:52 | 8:20/mi
Half· 13.11 mi
1:47:16
Rank: #17208 (+7)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:08:42
Rank: #17503 (-295)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:37:08
Rank: #17664 (-161)
25K → 30K
28:26 | 9:09/mi
20M
2:50:05
Rank: #17807 (-143)
30K → 20M
12:57 | 9:32/mi
21M
3:00:25
Rank: #17967 (-160)
20M → 21M
10:20 | 10:20/mi
35K· 21.75 mi
3:07:13
Rank: #17981 (-14)
21M → 35K
6:48 | 9:05/mi
23M
3:19:15
Rank: #18053 (-72)
35K → 23M
12:02 | 9:37/mi
24M
3:28:25
Rank: #18054 (-1)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:36:33
Rank: #18090 (-36)
24M → 40K
8:08 | 9:31/mi
25.2M
3:40:05
Rank: #18096 (-6)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:49:14
Rank: #18138 (-42)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:16
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:01:58
Pace9:18 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0725:248:1125:24
8:11
-
10K
6.21 mi11:42:1450:318:0825:07
8:05
-0:06
15K
9.32 mi12:07:311:15:488:0825:17
8:08
+0:03
20K
12.43 mi12:33:231:41:408:1125:52
8:20
+0:12
Half
13.11 mi12:38:591:47:168:115:36
8:12
-0:08
25K
15.53 mi13:00:252:08:428:1721:26
8:50
+0:38
30K
18.64 mi13:28:512:37:088:2628:26
9:09
+0:19
20M
20.00 mi13:41:482:50:058:3012:57
9:32
+0:23
21M
21.00 mi13:52:083:00:258:3510:20
10:20
+0:48
35K
21.75 mi13:58:563:07:138:376:48
9:05
-1:15
23M
23.00 mi14:10:583:19:158:4012:02
9:37
+0:32
24M
24.00 mi14:20:083:28:258:419:10
9:10
-0:27
40K
24.85 mi14:28:163:36:338:438:08
9:31
+0:21
25.2M
25.20 mi14:31:483:40:058:443:32
10:15
+0:44
Finish
26.22 mi14:40:573:49:148:459:09
8:59
-1:16

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

8:05 /mi

Average Pace

8:45 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:16

47% of race

Time at Steady Pace

1:14:59

33% of race

Time at Slower Pace

46:59

20% of race

Average Pace: 8:45 /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 mi11:17:0725:248:1125:24
8:11
#17931
10K
6.21 mi11:42:1450:318:0825:07
8:05
#17479
15K
9.32 mi12:07:311:15:488:0825:17
8:08
#17313
20K
12.43 mi12:33:231:41:408:1125:52
8:20
#17215
Half
13.11 mi12:38:591:47:168:115:36
8:12
#17208
25K
15.53 mi13:00:252:08:428:1721:26
8:50
#17503
30K
18.64 mi13:28:512:37:088:2628:26
9:09
#17664
20M
20.00 mi13:41:482:50:058:3012:57
9:32
#17807
21M
21.00 mi13:52:083:00:258:3510:20
10:20
#17967
35K
21.75 mi13:58:563:07:138:376:48
9:05
#17981
23M
23.00 mi14:10:583:19:158:4012:02
9:37
#18053
24M
24.00 mi14:20:083:28:258:419:10
9:10
#18054
40K
24.85 mi14:28:163:36:338:438:08
9:31
#18090
25.2M
25.20 mi14:31:483:40:058:443:32
10:15
#18096
Finish
26.22 mi14:40:573:49:148:459:09
8:59
#18138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17931115771157716994(Top 60%)11215(Top 70%)11215(Top 891%)
10K6.21 mi3.10 mi17479+45211401+17611401+17617080(Top 60%)11279(Top 70%)11279(Top 896%)
15K9.32 mi3.11 mi17313+16611362+3911362+3916994(Top 60%)11215(Top 70%)11215(Top 891%)
20K12.43 mi3.11 mi17215+9811296+6611296+6617078(Top 60%)11213(Top 70%)11213(Top 891%)
Half13.11 mi0.68 mi17208+711291+511291+517295(Top 61%)11322(Top 70%)11322(Top 899%)
25K15.53 mi2.42 mi17503-29511393-10211393-10219131(Top 67%)12029(Top 75%)12029(Top 955%)
30K18.64 mi3.11 mi17664-16111396-311396-318407(Top 65%)11568(Top 72%)11568(Top 919%)
20M20.00 mi1.36 mi17807-14311437-4111437-4119289(Top 68%)11816(Top 73%)11816(Top 939%)
21M21.00 mi1.00 mi17967-16011504-6711504-6719471(Top 69%)11815(Top 73%)11815(Top 938%)
35K21.75 mi0.75 mi17981-1411492+1211492+1218636(Top 66%)11314(Top 70%)11314(Top 899%)
23M23.00 mi1.25 mi18053-7211482+1011482+1019113(Top 67%)11496(Top 71%)11496(Top 913%)
24M24.00 mi1.00 mi18054-111459+2311459+2318164(Top 64%)10996(Top 68%)10996(Top 873%)
40K24.85 mi0.85 mi18090-3611446+1311446+1318736(Top 66%)11193(Top 70%)11193(Top 889%)
25.2M25.20 mi0.35 mi18096-611440+611440+618041(Top 64%)10841(Top 67%)10841(Top 861%)
Finish26.22 mi1.02 mi18138-4211443-311443-318909(Top 67%)11309(Top 70%)11309(Top 898%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16994

Males

11215

M60-64

11215

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17080

Males

11279

M60-64

11279

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16994

Males

11215

M60-64

11215

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17078

Males

11213

M60-64

11213

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17295

Males

11322

M60-64

11322

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19131

Males

12029

M60-64

12029

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18407

Males

11568

M60-64

11568

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19289

Males

11816

M60-64

11816

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19471

Males

11815

M60-64

11815

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18636

Males

11314

M60-64

11314

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

19113

Males

11496

M60-64

11496

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18164

Males

10996

M60-64

10996

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18736

Males

11193

M60-64

11193

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18041

Males

10841

M60-64

10841

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18909

Males

11309

M60-64

11309

Passing Analysis

Category:
Athletes Passed
1851
Passed By
2058
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17931
5K → 10K559107+452#17931#17479
10K → 15K283117+166#17479#17313
15K → 20K231133+98#17313#17215
20K → Half3326+7#17215#17208
Half → 25K100395-295#17208#17503
25K → 30K171332-161#17503#17664
30K → 20M81224-143#17664#17807
20M → 21M51211-160#17807#17967
21M → 35K5771-14#17967#17981
35K → 23M82154-72#17981#18053
23M → 24M7475-1#18053#18054
24M → 40K5692-36#18054#18090
40K → 25.2M2632-6#18090#18096
25.2M → Finish4789-42#18096#18138
TOTALS18512058-207
📊

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