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BOSTON MARATHON 2025

Xing-Zhen Chen

Bib: 23189•M

AB

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
26:59
Rank: #20933
Start → 5K
26:59 | 8:41/mi
10K· 6.21 mi
54:24
Rank: #21191 (-258)
5K → 10K
27:25 | 8:49/mi
15K· 9.32 mi
1:22:02
Rank: #21270 (-79)
10K → 15K
27:38 | 8:54/mi
20K· 12.43 mi
1:49:49
Rank: #21102 (+168)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
1:55:48
Rank: #21097 (+5)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:17:51
Rank: #20961 (+136)
Half → 25K
22:03 | 9:06/mi
30K· 18.64 mi
2:47:19
Rank: #20751 (+210)
25K → 30K
29:28 | 9:29/mi
20M
3:00:26
Rank: #20649 (+102)
30K → 20M
13:07 | 9:39/mi
21M
3:10:39
Rank: #20552 (+97)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:17:33
Rank: #20514 (+38)
21M → 35K
6:54 | 9:13/mi
23M
3:29:18
Rank: #20381 (+133)
35K → 23M
11:45 | 9:23/mi
24M
3:38:24
Rank: #20285 (+96)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:46:18
Rank: #20187 (+98)
24M → 40K
7:54 | 9:14/mi
25.2M
3:49:51
Rank: #20164 (+23)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:59:00
Rank: #20160 (+4)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:48
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:03:12
Pace9:24 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1926:598:4126:59
8:41
-
10K
6.21 mi11:52:4454:248:4527:25
8:49
+0:08
15K
9.32 mi12:20:221:22:028:4827:38
8:54
+0:05
20K
12.43 mi12:48:091:49:498:5027:47
8:57
+0:03
Half
13.11 mi12:54:081:55:488:505:59
8:46
-0:11
25K
15.53 mi13:16:112:17:518:5222:03
9:06
+0:20
30K
18.64 mi13:45:392:47:198:5929:28
9:29
+0:23
20M
20.00 mi13:58:463:00:269:0113:07
9:39
+0:10
21M
21.00 mi14:08:593:10:399:0510:13
10:13
+0:34
35K
21.75 mi14:15:533:17:339:056:54
9:13
-1:00
23M
23.00 mi14:27:383:29:189:0611:45
9:23
+0:10
24M
24.00 mi14:36:443:38:249:069:06
9:06
-0:17
40K
24.85 mi14:44:383:46:189:067:54
9:14
+0:08
25.2M
25.20 mi14:48:113:49:519:073:33
10:18
+1:04
Finish
26.22 mi14:57:203:59:009:079:09
8:59
-1:19

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

8:41 /mi

Average Pace

9:07 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:07

89% of race

Time at Steady Pace

23:20

10% of race

Time at Slower Pace

3:33

1% of race

Average Pace: 9:07 /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 mi11:25:1926:598:4126:59
8:41
#20933
10K
6.21 mi11:52:4454:248:4527:25
8:49
#21191
15K
9.32 mi12:20:221:22:028:4827:38
8:54
#21270
20K
12.43 mi12:48:091:49:498:5027:47
8:57
#21102
Half
13.11 mi12:54:081:55:488:505:59
8:46
#21097
25K
15.53 mi13:16:112:17:518:5222:03
9:06
#20961
30K
18.64 mi13:45:392:47:198:5929:28
9:29
#20751
20M
20.00 mi13:58:463:00:269:0113:07
9:39
#20649
21M
21.00 mi14:08:593:10:399:0510:13
10:13
#20552
35K
21.75 mi14:15:533:17:339:056:54
9:13
#20514
23M
23.00 mi14:27:383:29:189:0611:45
9:23
#20381
24M
24.00 mi14:36:443:38:249:069:06
9:06
#20285
40K
24.85 mi14:44:383:46:189:067:54
9:14
#20187
25.2M
25.20 mi14:48:113:49:519:073:33
10:18
#20164
Finish
26.22 mi14:57:203:59:009:079:09
8:59
#20160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20933128331283321538(Top 76%)13178(Top 82%)13178(Top 1047%)
10K6.21 mi3.10 mi21191-25812973-14012973-14021507(Top 76%)13134(Top 82%)13134(Top 1043%)
15K9.32 mi3.11 mi21270-7913025-5213025-5221538(Top 76%)13178(Top 82%)13178(Top 1047%)
20K12.43 mi3.11 mi21102+16812958+6712958+6720673(Top 73%)12740(Top 79%)12740(Top 1012%)
Half13.11 mi0.68 mi21097+512959-112959-120727(Top 73%)12781(Top 79%)12781(Top 1015%)
25K15.53 mi2.42 mi20961+13612887+7212887+7220329(Top 72%)12561(Top 78%)12561(Top 998%)
30K18.64 mi3.11 mi20751+21012739+14812739+14819872(Top 70%)12227(Top 76%)12227(Top 971%)
20M20.00 mi1.36 mi20649+10212676+6312676+6319774(Top 70%)12059(Top 75%)12059(Top 958%)
21M21.00 mi1.00 mi20552+9712618+5812618+5819071(Top 67%)11656(Top 72%)11656(Top 926%)
35K21.75 mi0.75 mi20514+3812587+3112587+3119256(Top 68%)11632(Top 72%)11632(Top 924%)
23M23.00 mi1.25 mi20381+13312500+8712500+8718163(Top 64%)11058(Top 69%)11058(Top 878%)
24M24.00 mi1.00 mi20285+9612436+6412436+6417867(Top 63%)10870(Top 67%)10870(Top 863%)
40K24.85 mi0.85 mi20187+9812370+6612370+6617530(Top 62%)10618(Top 66%)10618(Top 843%)
25.2M25.20 mi0.35 mi20164+2312355+1512355+1518249(Top 64%)10942(Top 68%)10942(Top 869%)
Finish26.22 mi1.02 mi20160+412343+1212343+1218918(Top 67%)11318(Top 70%)11318(Top 899%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21538

Males

13178

M60-64

13178

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21507

Males

13134

M60-64

13134

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21538

Males

13178

M60-64

13178

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20673

Males

12740

M60-64

12740

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20727

Males

12781

M60-64

12781

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20329

Males

12561

M60-64

12561

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19872

Males

12227

M60-64

12227

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19774

Males

12059

M60-64

12059

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19071

Males

11656

M60-64

11656

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19256

Males

11632

M60-64

11632

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18163

Males

11058

M60-64

11058

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17867

Males

10870

M60-64

10870

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17530

Males

10618

M60-64

10618

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18249

Males

10942

M60-64

10942

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18918

Males

11318

M60-64

11318

Passing Analysis

Category:
Athletes Passed
2018
Passed By
1245
Net Change
+773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20933
5K → 10K171429-258#20933#21191
10K → 15K181260-79#21191#21270
15K → 20K274106+168#21270#21102
20K → Half3328+5#21102#21097
Half → 25K19963+136#21097#20961
25K → 30K321111+210#20961#20751
30K → 20M15250+102#20751#20649
20M → 21M13740+97#20649#20552
21M → 35K6628+38#20552#20514
35K → 23M15421+133#20514#20381
23M → 24M11317+96#20381#20285
24M → 40K11315+98#20285#20187
40K → 25.2M4421+23#20187#20164
25.2M → Finish6056+4#20164#20160
TOTALS20181245+773
📊

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