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BOSTON MARATHON 2025

Xiaopeng Liu

Bib: 3583•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #3016
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
40:16
Rank: #3646 (-630)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:01:07
Rank: #4080 (-434)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:24:03
Rank: #5612 (-1532)
15K → 20K
22:56 | 7:23/mi
Half· 13.11 mi
1:29:12
Rank: #5990 (-378)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:48:36
Rank: #7200 (-1210)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:16:15
Rank: #8917 (-1717)
25K → 30K
27:39 | 8:54/mi
20M
2:30:06
Rank: #10290 (-1373)
30K → 20M
13:51 | 10:12/mi
21M
2:40:01
Rank: #10836 (-546)
20M → 21M
9:55 | 9:55/mi
35K· 21.75 mi
2:47:48
Rank: #11544 (-708)
21M → 35K
7:47 | 10:24/mi
23M
3:00:26
Rank: #12318 (-774)
35K → 23M
12:38 | 10:05/mi
24M
3:09:44
Rank: #12677 (-359)
23M → 24M
9:18 | 9:18/mi
40K· 24.85 mi
3:18:11
Rank: #13070 (-393)
24M → 40K
8:27 | 9:53/mi
25.2M
3:21:30
Rank: #13110 (-40)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:29:56
Rank: #13197 (-87)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:12
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time2:00:44
Pace9:13 /mi
📊Positive Split: 35.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4319:506:2319:50
6:23
-
10K
6.21 mi10:42:0940:166:2920:26
6:35
+0:12
15K
9.32 mi11:03:001:01:076:3320:51
6:43
+0:08
20K
12.43 mi11:25:561:24:036:4622:56
7:23
+0:40
Half
13.11 mi11:31:051:29:126:485:09
7:33
+0:10
25K
15.53 mi11:50:291:48:366:5919:24
8:00
+0:27
30K
18.64 mi12:18:082:16:157:1927:39
8:54
+0:54
20M
20.00 mi12:31:592:30:067:3013:51
10:12
+1:18
21M
21.00 mi12:41:542:40:017:379:55
9:55
-0:17
35K
21.75 mi12:49:412:47:487:437:47
10:24
+0:29
23M
23.00 mi13:02:193:00:267:5112:38
10:05
-0:19
24M
24.00 mi13:11:373:09:447:549:18
9:18
-0:47
40K
24.85 mi13:20:043:18:117:588:27
9:53
+0:35
25.2M
25.20 mi13:23:233:21:308:003:19
9:37
-0:16
Finish
26.22 mi13:31:493:29:568:018:26
8:17
-1:20

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

6:23 /mi

Average Pace

8:01 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:36

52% of race

Time at Steady Pace

45:23

22% of race

Time at Slower Pace

55:57

27% of race

Average Pace: 8:00 /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 mi10:21:4319:506:2319:50
6:23
#3016
10K
6.21 mi10:42:0940:166:2920:26
6:35
#3646
15K
9.32 mi11:03:001:01:076:3320:51
6:43
#4080
20K
12.43 mi11:25:561:24:036:4622:56
7:23
#5612
Half
13.11 mi11:31:051:29:126:485:09
7:33
#5990
25K
15.53 mi11:50:291:48:366:5919:24
8:00
#7200
30K
18.64 mi12:18:082:16:157:1927:39
8:54
#8917
20M
20.00 mi12:31:592:30:067:3013:51
10:12
#10290
21M
21.00 mi12:41:542:40:017:379:55
9:55
#10836
35K
21.75 mi12:49:412:47:487:437:47
10:24
#11544
23M
23.00 mi13:02:193:00:267:5112:38
10:05
#12318
24M
24.00 mi13:11:373:09:447:549:18
9:18
#12677
40K
24.85 mi13:20:043:18:117:588:27
9:53
#13070
25.2M
25.20 mi13:23:233:21:308:003:19
9:37
#13110
Finish
26.22 mi13:31:493:29:568:018:26
8:17
#13197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3016286928695197(Top 18%)4810(Top 30%)4810(Top 85%)
10K6.21 mi3.10 mi3646-6303457-5883457-5884291(Top 15%)4033(Top 25%)4033(Top 71%)
15K9.32 mi3.11 mi4080-4343847-3903847-3905197(Top 18%)4810(Top 30%)4810(Top 85%)
20K12.43 mi3.11 mi5612-15325161-13145161-13149732(Top 34%)7871(Top 49%)7871(Top 140%)
Half13.11 mi0.68 mi5990-3785474-3135474-31312102(Top 43%)9074(Top 56%)9074(Top 161%)
25K15.53 mi2.42 mi7200-12106399-9256399-92513888(Top 49%)9696(Top 60%)9696(Top 172%)
30K18.64 mi3.11 mi8917-17177417-10187417-101817137(Top 60%)10989(Top 68%)10989(Top 195%)
20M20.00 mi1.36 mi10290-13738122-7058122-70521536(Top 76%)12827(Top 80%)12827(Top 227%)
21M21.00 mi1.00 mi10836-5468343-2218343-22117947(Top 63%)11129(Top 69%)11129(Top 197%)
35K21.75 mi0.75 mi11544-7088655-3128655-31222938(Top 81%)13349(Top 83%)13349(Top 237%)
23M23.00 mi1.25 mi12318-7748982-3278982-32720760(Top 73%)12269(Top 76%)12269(Top 217%)
24M24.00 mi1.00 mi12677-3599131-1499131-14918792(Top 66%)11306(Top 70%)11306(Top 200%)
40K24.85 mi0.85 mi13070-3939267-1369267-13620044(Top 71%)11801(Top 73%)11801(Top 209%)
25.2M25.20 mi0.35 mi13110-409275-89275-815118(Top 53%)9457(Top 59%)9457(Top 168%)
Finish26.22 mi1.02 mi13197-879291-169291-1614742(Top 52%)9362(Top 58%)9362(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5197

Males

4810

M18-39

4810

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4291

Males

4033

M18-39

4033

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5197

Males

4810

M18-39

4810

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9732

Males

7871

M18-39

7871

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12102

Males

9074

M18-39

9074

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13888

Males

9696

M18-39

9696

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17137

Males

10989

M18-39

10989

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21536

Males

12827

M18-39

12827

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17947

Males

11129

M18-39

11129

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22938

Males

13349

M18-39

13349

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20760

Males

12269

M18-39

12269

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18792

Males

11306

M18-39

11306

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20044

Males

11801

M18-39

11801

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15118

Males

9457

M18-39

9457

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14742

Males

9362

M18-39

9362

Passing Analysis

Category:
Athletes Passed
207
Passed By
10386
Net Change
-10181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3016
5K → 10K8638-630#3016#3646
10K → 15K16450-434#3646#4080
15K → 20K71539-1532#4080#5612
20K → Half0378-378#5612#5990
Half → 25K111221-1210#5990#7200
25K → 30K171734-1717#7200#8917
30K → 20M121383-1373#8917#10290
20M → 21M16562-546#10290#10836
21M → 35K3711-708#10836#11544
35K → 23M23797-774#11544#12318
23M → 24M17376-359#12318#12677
24M → 40K20413-393#12677#13070
40K → 25.2M1959-40#13070#13110
25.2M → Finish38125-87#13110#13197
TOTALS20710386-10181
📊

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