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BOSTON MARATHON 2025

Xin Wen

Bib: 20503•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #18887
Start → 5K
25:52 | 8:20/mi
10K· 6.21 mi
51:14
Rank: #18274 (+613)
5K → 10K
25:22 | 8:10/mi
15K· 9.32 mi
1:17:32
Rank: #18529 (-255)
10K → 15K
26:18 | 8:28/mi
20K· 12.43 mi
1:45:21
Rank: #19132 (-603)
15K → 20K
27:49 | 8:57/mi
Half· 13.11 mi
1:51:23
Rank: #19243 (-111)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:14:02
Rank: #19671 (-428)
Half → 25K
22:39 | 9:21/mi
30K· 18.64 mi
2:44:51
Rank: #20101 (-430)
25K → 30K
30:49 | 9:55/mi
20M
2:58:02
Rank: #20093 (+8)
30K → 20M
13:11 | 9:42/mi
21M
3:08:40
Rank: #20115 (-22)
20M → 21M
10:38 | 10:38/mi
35K· 21.75 mi
3:15:25
Rank: #20050 (+65)
21M → 35K
6:45 | 9:01/mi
23M
3:27:20
Rank: #19989 (+61)
35K → 23M
11:55 | 9:31/mi
24M
3:36:13
Rank: #19850 (+139)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:44:03
Rank: #19749 (+101)
24M → 40K
7:50 | 9:10/mi
25.2M
3:47:34
Rank: #19725 (+24)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:56:55
Rank: #19724 (+1)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:23
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:05:32
Pace9:35 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0425:528:2025:52
8:20
-
10K
6.21 mi11:42:2651:148:1525:22
8:10
-0:10
15K
9.32 mi12:08:441:17:328:1926:18
8:28
+0:18
20K
12.43 mi12:36:331:45:218:2927:49
8:57
+0:29
Half
13.11 mi12:42:351:51:238:306:02
8:51
-0:06
25K
15.53 mi13:05:142:14:028:3822:39
9:21
+0:30
30K
18.64 mi13:36:032:44:518:5130:49
9:55
+0:34
20M
20.00 mi13:49:142:58:028:5413:11
9:42
-0:13
21M
21.00 mi13:59:523:08:408:5910:38
10:38
+0:56
35K
21.75 mi14:06:373:15:258:596:45
9:01
-1:37
23M
23.00 mi14:18:323:27:209:0111:55
9:31
+0:30
24M
24.00 mi14:27:253:36:139:018:53
8:53
-0:38
40K
24.85 mi14:35:153:44:039:017:50
9:10
+0:17
25.2M
25.20 mi14:38:463:47:349:023:31
10:12
+1:02
Finish
26.22 mi14:48:073:56:559:039:21
9:11
-1:01

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

8:10 /mi

Average Pace

9:03 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:32

33% of race

Time at Steady Pace

1:29:19

38% of race

Time at Slower Pace

1:10:04

30% of race

Average Pace: 9:02 /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 mi11:17:0425:528:2025:52
8:20
#18887
10K
6.21 mi11:42:2651:148:1525:22
8:10
#18274
15K
9.32 mi12:08:441:17:328:1926:18
8:28
#18529
20K
12.43 mi12:36:331:45:218:2927:49
8:57
#19132
Half
13.11 mi12:42:351:51:238:306:02
8:51
#19243
25K
15.53 mi13:05:142:14:028:3822:39
9:21
#19671
30K
18.64 mi13:36:032:44:518:5130:49
9:55
#20101
20M
20.00 mi13:49:142:58:028:5413:11
9:42
#20093
21M
21.00 mi13:59:523:08:408:5910:38
10:38
#20115
35K
21.75 mi14:06:373:15:258:596:45
9:01
#20050
23M
23.00 mi14:18:323:27:209:0111:55
9:31
#19989
24M
24.00 mi14:27:253:36:139:018:53
8:53
#19850
40K
24.85 mi14:35:153:44:039:017:50
9:10
#19749
25.2M
25.20 mi14:38:463:47:349:023:31
10:12
#19725
Finish
26.22 mi14:48:073:56:559:039:21
9:11
#19724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi188876848684819137(Top 67%)6974(Top 57%)6974(Top 385%)
10K6.21 mi3.10 mi18274+6136491+3576491+35717673(Top 62%)6105(Top 50%)6105(Top 337%)
15K9.32 mi3.11 mi18529-2556642-1516642-15119137(Top 67%)6974(Top 57%)6974(Top 385%)
20K12.43 mi3.11 mi19132-6036978-3366978-33620741(Top 73%)7914(Top 65%)7914(Top 437%)
Half13.11 mi0.68 mi19243-1117050-727050-7221133(Top 74%)8104(Top 66%)8104(Top 447%)
25K15.53 mi2.42 mi19671-4287302-2527302-25221338(Top 75%)8273(Top 68%)8273(Top 456%)
30K18.64 mi3.11 mi20101-4307583-2817583-28121363(Top 75%)8429(Top 69%)8429(Top 465%)
20M20.00 mi1.36 mi20093+87602-197602-1919948(Top 70%)7757(Top 63%)7757(Top 428%)
21M21.00 mi1.00 mi20115-227647-457647-4520408(Top 72%)8132(Top 67%)8132(Top 449%)
35K21.75 mi0.75 mi20050+657624+237624+2318379(Top 65%)7122(Top 58%)7122(Top 393%)
23M23.00 mi1.25 mi19989+617612+127612+1218794(Top 66%)7401(Top 61%)7401(Top 408%)
24M24.00 mi1.00 mi19850+1397565+477565+4716805(Top 59%)6395(Top 52%)6395(Top 353%)
40K24.85 mi0.85 mi19749+1017521+447521+4417207(Top 61%)6702(Top 55%)6702(Top 370%)
25.2M25.20 mi0.35 mi19725+247517+47517+417940(Top 63%)7118(Top 58%)7118(Top 393%)
Finish26.22 mi1.02 mi19724+17529-127529-1219862(Top 70%)8072(Top 66%)8072(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19137

Females

6974

F45-49

6974

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17673

Females

6105

F45-49

6105

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19137

Females

6974

F45-49

6974

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20741

Females

7914

F45-49

7914

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21133

Females

8104

F45-49

8104

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21338

Females

8273

F45-49

8273

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21363

Females

8429

F45-49

8429

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19948

Females

7757

F45-49

7757

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20408

Females

8132

F45-49

8132

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18379

Females

7122

F45-49

7122

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18794

Females

7401

F45-49

7401

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16805

Females

6395

F45-49

6395

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17207

Females

6702

F45-49

6702

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17940

Females

7118

F45-49

7118

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19862

Females

8072

F45-49

8072

Passing Analysis

Category:
Athletes Passed
1811
Passed By
2648
Net Change
-837
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18887
5K → 10K69481+613#18887#18274
10K → 15K114369-255#18274#18529
15K → 20K62665-603#18529#19132
20K → Half13124-111#19132#19243
Half → 25K68496-428#19243#19671
25K → 30K113543-430#19671#20101
30K → 20M10698+8#20101#20093
20M → 21M89111-22#20093#20115
21M → 35K8924+65#20115#20050
35K → 23M11049+61#20050#19989
23M → 24M1489+139#19989#19850
24M → 40K1109+101#19850#19749
40K → 25.2M3915+24#19749#19725
25.2M → Finish5655+1#19725#19724
TOTALS18112648-837
📊

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