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BOSTON MARATHON 2025

Peng Xu

Bib: 29656•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:53
Rank: #26224
Start → 5K
31:53 | 10:16/mi
10K· 6.21 mi
1:05:01
Rank: #26426 (-202)
5K → 10K
33:08 | 10:40/mi
15K· 9.32 mi
1:38:54
Rank: #26483 (-57)
10K → 15K
33:53 | 10:54/mi
20K· 12.43 mi
2:13:00
Rank: #26320 (+163)
15K → 20K
34:06 | 10:59/mi
Half· 13.11 mi
2:21:03
Rank: #26415 (-95)
20K → Half
8:03 | 11:48/mi
25K· 15.53 mi
2:48:26
Rank: #26258 (+157)
Half → 25K
27:23 | 11:18/mi
30K· 18.64 mi
3:24:16
Rank: #25996 (+262)
25K → 30K
35:50 | 11:32/mi
20M
3:39:57
Rank: #25905 (+91)
30K → 20M
15:41 | 11:32/mi
21M
3:53:32
Rank: #25919 (-14)
20M → 21M
13:35 | 13:35/mi
35K· 21.75 mi
4:01:40
Rank: #25861 (+58)
21M → 35K
8:08 | 10:52/mi
23M
4:16:30
Rank: #25833 (+28)
35K → 23M
14:50 | 11:51/mi
24M
4:27:22
Rank: #25763 (+70)
23M → 24M
10:52 | 10:52/mi
40K· 24.85 mi
4:37:11
Rank: #25718 (+45)
24M → 40K
9:49 | 11:29/mi
25.2M
4:41:39
Rank: #25716 (+2)
40K → 25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
4:52:22
Rank: #25682 (+34)
25.2M → Finish
10:43 | 10:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:03
Pace10:46 /mi
2nd Half
Distance13.11 mi
Time2:31:19
Pace11:33 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3531:5310:1631:53
10:16
-
10K
6.21 mi12:28:431:05:0110:2833:08
10:40
+0:24
15K
9.32 mi13:02:361:38:5410:3733:53
10:54
+0:14
20K
12.43 mi13:36:422:13:0010:4234:06
10:59
+0:05
Half
13.11 mi13:44:452:21:0310:468:03
11:48
+0:49
25K
15.53 mi14:12:082:48:2610:5127:23
11:18
-0:30
30K
18.64 mi14:47:583:24:1610:5735:50
11:32
+0:14
20M
20.00 mi15:03:393:39:5711:0015:41
11:32
0:00
21M
21.00 mi15:17:143:53:3211:0713:35
13:35
+2:03
35K
21.75 mi15:25:224:01:4011:078:08
10:52
-2:43
23M
23.00 mi15:40:124:16:3011:0914:50
11:51
+0:59
24M
24.00 mi15:51:044:27:2211:0810:52
10:52
-0:59
40K
24.85 mi16:00:534:37:1111:099:49
11:29
+0:37
25.2M
25.20 mi16:05:214:41:3911:114:28
12:57
+1:28
Finish
26.22 mi16:16:044:52:2211:1010:43
10:31
-2:26

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

10:16 /mi

Average Pace

11:10 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:44

32% of race

Time at Steady Pace

2:36:42

54% of race

Time at Slower Pace

40:56

14% of race

Average Pace: 11:09 /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 mi11:55:3531:5310:1631:53
10:16
#26224
10K
6.21 mi12:28:431:05:0110:2833:08
10:40
#26426
15K
9.32 mi13:02:361:38:5410:3733:53
10:54
#26483
20K
12.43 mi13:36:422:13:0010:4234:06
10:59
#26320
Half
13.11 mi13:44:452:21:0310:468:03
11:48
#26415
25K
15.53 mi14:12:082:48:2610:5127:23
11:18
#26258
30K
18.64 mi14:47:583:24:1610:5735:50
11:32
#25996
20M
20.00 mi15:03:393:39:5711:0015:41
11:32
#25905
21M
21.00 mi15:17:143:53:3211:0713:35
13:35
#25919
35K
21.75 mi15:25:224:01:4011:078:08
10:52
#25861
23M
23.00 mi15:40:124:16:3011:0914:50
11:51
#25833
24M
24.00 mi15:51:044:27:2211:0810:52
10:52
#25763
40K
24.85 mi16:00:534:37:1111:099:49
11:29
#25718
25.2M
25.20 mi16:05:214:41:3911:114:28
12:57
#25716
Finish
26.22 mi16:16:044:52:2211:1010:43
10:31
#25682
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi26224152731527326551(Top 93%)15386(Top 96%)15386(Top 934%)
10K6.21 mi3.10 mi26426-20215349-7615349-7626543(Top 93%)15388(Top 96%)15388(Top 934%)
15K9.32 mi3.11 mi26483-5715376-2715376-2726551(Top 93%)15386(Top 96%)15386(Top 934%)
20K12.43 mi3.11 mi26320+16315294+8215294+8225957(Top 91%)15102(Top 94%)15102(Top 916%)
Half13.11 mi0.68 mi26415-9515333-3915333-3927298(Top 96%)15637(Top 97%)15637(Top 949%)
25K15.53 mi2.42 mi26258+15715265+6815265+6825611(Top 90%)14908(Top 93%)14908(Top 905%)
30K18.64 mi3.11 mi25996+26215105+16015105+16024902(Top 88%)14489(Top 90%)14489(Top 879%)
20M20.00 mi1.36 mi25905+9115055+5015055+5024621(Top 87%)14283(Top 89%)14283(Top 867%)
21M21.00 mi1.00 mi25919-1415052+315052+325756(Top 91%)14765(Top 92%)14765(Top 896%)
35K21.75 mi0.75 mi25861+5815015+3715015+3723949(Top 84%)13865(Top 86%)13865(Top 841%)
23M23.00 mi1.25 mi25833+2814995+2014995+2024859(Top 88%)14273(Top 89%)14273(Top 866%)
24M24.00 mi1.00 mi25763+7014939+5614939+5623708(Top 83%)13671(Top 85%)13671(Top 830%)
40K24.85 mi0.85 mi25718+4514906+3314906+3324106(Top 85%)13829(Top 86%)13829(Top 839%)
25.2M25.20 mi0.35 mi25716+214902+414902+424971(Top 88%)14243(Top 88%)14243(Top 864%)
Finish26.22 mi1.02 mi25682+3414878+2414878+2424316(Top 86%)13935(Top 87%)13935(Top 846%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26551

Males

15386

M55-59

15386

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26543

Males

15388

M55-59

15388

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26551

Males

15386

M55-59

15386

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25957

Males

15102

M55-59

15102

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27298

Males

15637

M55-59

15637

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25611

Males

14908

M55-59

14908

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

24902

Males

14489

M55-59

14489

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24621

Males

14283

M55-59

14283

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

25756

Males

14765

M55-59

14765

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23949

Males

13865

M55-59

13865

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

24859

Males

14273

M55-59

14273

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23708

Males

13671

M55-59

13671

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24106

Males

13829

M55-59

13829

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24971

Males

14243

M55-59

14243

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

24316

Males

13935

M55-59

13935

Passing Analysis

Category:
Athletes Passed
1309
Passed By
767
Net Change
+542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26224
5K → 10K96298-202#26224#26426
10K → 15K103160-57#26426#26483
15K → 20K20946+163#26483#26320
20K → Half297-95#26320#26415
Half → 25K18629+157#26415#26258
25K → 30K2697+262#26258#25996
30K → 20M10312+91#25996#25905
20M → 21M3751-14#25905#25919
21M → 35K635+58#25919#25861
35K → 23M5325+28#25861#25833
23M → 24M755+70#25833#25763
24M → 40K5712+45#25763#25718
40K → 25.2M97+2#25718#25716
25.2M → Finish4713+34#25716#25682
TOTALS1309767+542
📊

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