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BOSTON MARATHON 2025

Ying Ren

Bib: 24184•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:00/mi
27:58
↑ 97↓ 3451.5%
10K· 6.21 mi
9:23/mi
57:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:29/mi
1:26:35
↑ 67↓ 78
20K· 12.43 mi
10:32/mi
1:59:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
2:05:33
↑ 19↓ 370.5%
25K· 15.53 mi
11:28/mi
2:33:21
↑ 66↓ 880.2%
30K· 18.64 mi
11:14/mi
3:08:15
↑ 181↓ 1480.2%
20M
10:42/mi
3:22:48
↑ 64↓ 500.2%
21M
12:18/mi
3:35:06
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:41:57
↑ 17↓ 861.7%
23M
12:09/mi
3:57:10
↑ 23↓ 630.6%
24M
10:43/mi
4:07:53
↓ 821.3%
40K· 24.85 mi
10:41/mi
4:17:01
↓ 200.3%
25.2M
14:50/mi
4:22:08
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
4:32:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:33
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:26:57
Pace11:13 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3627:589:0027:58
9:00
-
10K
6.21 mi11:54:4457:069:1129:08
9:23
+0:23
15K
9.32 mi12:24:131:26:359:1729:29
9:29
+0:06
20K
12.43 mi12:56:571:59:199:3632:44
10:32
+1:03
Half
13.11 mi13:03:112:05:339:356:14
9:08
-1:24
25K
15.53 mi13:30:592:33:219:5227:48
11:28
+2:20
30K
18.64 mi14:05:533:08:1510:0634:54
11:14
-0:14
20M
20.00 mi14:20:263:22:4810:0814:33
10:42
-0:32
21M
21.00 mi14:32:443:35:0610:1512:18
12:18
+1:36
35K
21.75 mi14:39:353:41:5710:126:51
9:09
-3:09
23M
23.00 mi14:54:483:57:1010:1915:13
12:09
+3:00
24M
24.00 mi15:05:314:07:5310:2010:43
10:43
-1:26
40K
24.85 mi15:14:394:17:0110:209:08
10:41
-0:02
25.2M
25.20 mi15:19:464:22:0810:245:07
14:50
+4:09
Finish
26.22 mi15:30:084:32:3010:2410:22
10:10
-4:40

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

9:00 /mi

Average Pace

10:24 /mi

Slowest Pace

14:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:40

37% of race

Time at Steady Pace

1:52:24

41% of race

Time at Slower Pace

1:00:26

22% of race

Average Pace: 10:24 /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 mi11:25:3627:589:0027:58
9:00
#22413
10K
6.21 mi11:54:4457:069:1129:08
9:23
#23176
15K
9.32 mi12:24:131:26:359:1729:29
9:29
#23406
20K
12.43 mi12:56:571:59:199:3632:44
10:32
#24018
Half
13.11 mi13:03:112:05:339:356:14
9:08
#23932
25K
15.53 mi13:30:592:33:219:5227:48
11:28
#24435
30K
18.64 mi14:05:533:08:1510:0634:54
11:14
#24445
20M
20.00 mi14:20:263:22:4810:0814:33
10:42
#24344
21M
21.00 mi14:32:443:35:0610:1512:18
12:18
#24335
35K
21.75 mi14:39:353:41:5710:126:51
9:09
#24181
23M
23.00 mi14:54:483:57:1010:1915:13
12:09
#24279
24M
24.00 mi15:05:314:07:5310:2010:43
10:43
#24235
40K
24.85 mi15:14:394:17:0110:209:08
10:41
#24187
25.2M
25.20 mi15:19:464:22:0810:245:07
14:50
#24259
Finish
26.22 mi15:30:084:32:3010:2410:22
10:10
#24230
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi224138863886323721(Top 84%)9502(Top 78%)9502(Top 956%)
10K6.21 mi3.10 mi23176-7639243-3809243-38023771(Top 84%)9551(Top 78%)9551(Top 961%)
15K9.32 mi3.11 mi23406-2309353-1109353-11023721(Top 84%)9502(Top 78%)9502(Top 956%)
20K12.43 mi3.11 mi24018-6129703-3509703-35025249(Top 89%)10403(Top 85%)10403(Top 1047%)
Half13.11 mi0.68 mi23932+869657+469657+4622417(Top 79%)8847(Top 72%)8847(Top 890%)
25K15.53 mi2.42 mi24435-5039946-2899946-28925813(Top 91%)10760(Top 88%)10760(Top 1082%)
30K18.64 mi3.11 mi24445-109969-239969-2324446(Top 86%)10099(Top 83%)10099(Top 1016%)
20M20.00 mi1.36 mi24344+1019933+369933+3622978(Top 81%)9413(Top 77%)9413(Top 947%)
21M21.00 mi1.00 mi24335+99950-179950-1724101(Top 85%)10084(Top 82%)10084(Top 1014%)
35K21.75 mi0.75 mi24181+1549870+809870+8019035(Top 67%)7486(Top 61%)7486(Top 753%)
23M23.00 mi1.25 mi24279-989940-709940-7025336(Top 89%)10768(Top 88%)10768(Top 1083%)
24M24.00 mi1.00 mi24235+449926+149926+1423372(Top 82%)9816(Top 80%)9816(Top 988%)
40K24.85 mi0.85 mi24187+489921+59921+522424(Top 79%)9430(Top 77%)9430(Top 949%)
25.2M25.20 mi0.35 mi24259-729959-389959-3827022(Top 95%)11671(Top 95%)11671(Top 1174%)
Finish26.22 mi1.02 mi24230+299957+29957+223463(Top 83%)9910(Top 81%)9910(Top 997%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23721

Females

9502

F55-59

9502

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23771

Females

9551

F55-59

9551

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23721

Females

9502

F55-59

9502

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25249

Females

10403

F55-59

10403

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22417

Females

8847

F55-59

8847

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25813

Females

10760

F55-59

10760

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24446

Females

10099

F55-59

10099

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22978

Females

9413

F55-59

9413

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24101

Females

10084

F55-59

10084

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19035

Females

7486

F55-59

7486

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25336

Females

10768

F55-59

10768

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23372

Females

9816

F55-59

9816

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22424

Females

9430

F55-59

9430

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

27022

Females

11671

F55-59

11671

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23463

Females

9910

F55-59

9910

Passing Analysis

Category:
Athletes Passed
988
Passed By
2805
Net Change
-1817
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22413
5K → 10K52815-763#22413#23176
10K → 15K100330-230#23176#23406
15K → 20K27639-612#23406#24018
20K → Half893+86#24018#23932
Half → 25K26529-503#23932#24435
25K → 30K126136-10#24435#24445
30K → 20M12120+101#24445#24344
20M → 21M7263+9#24344#24335
21M → 35K1540+154#24335#24181
35K → 23M40138-98#24181#24279
23M → 24M6521+44#24279#24235
24M → 40K6517+48#24235#24187
40K → 25.2M476-72#24187#24259
25.2M → Finish4718+29#24259#24230
TOTALS9882805-1817
📊

Passing Visuals

Category:
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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