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BOSTON MARATHON 2025

Liu Yang

Bib: 22556•F

CT

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
25:42
Rank: #18554
Start → 5K
25:42 | 8:16/mi
10K· 6.21 mi
51:30
Rank: #18540 (+14)
5K → 10K
25:48 | 8:18/mi
15K· 9.32 mi
1:17:58
Rank: #18827 (-287)
10K → 15K
26:28 | 8:31/mi
20K· 12.43 mi
1:45:22
Rank: #19139 (-312)
15K → 20K
27:24 | 8:49/mi
Half· 13.11 mi
1:51:11
Rank: #19136 (+3)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:13:58
Rank: #19647 (-511)
Half → 25K
22:47 | 9:24/mi
30K· 18.64 mi
2:46:08
Rank: #20432 (-785)
25K → 30K
32:10 | 10:21/mi
20M
3:00:03
Rank: #20570 (-138)
30K → 20M
13:55 | 10:14/mi
21M
3:12:01
Rank: #20848 (-278)
20M → 21M
11:58 | 11:58/mi
35K· 21.75 mi
3:18:44
Rank: #20747 (+101)
21M → 35K
6:43 | 8:59/mi
23M
3:31:02
Rank: #20717 (+30)
35K → 23M
12:18 | 9:49/mi
24M
3:40:42
Rank: #20714 (+3)
23M → 24M
9:40 | 9:40/mi
40K· 24.85 mi
3:50:51
Rank: #20954 (-240)
24M → 40K
10:09 | 11:52/mi
25.2M
3:54:40
Rank: #20943 (+11)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:03:25
Rank: #20824 (+119)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:11
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:12:14
Pace10:05 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4525:428:1625:42
8:16
-
10K
6.21 mi11:48:3351:308:1725:48
8:18
+0:02
15K
9.32 mi12:15:011:17:588:2226:28
8:31
+0:13
20K
12.43 mi12:42:251:45:228:2927:24
8:49
+0:18
Half
13.11 mi12:48:141:51:118:295:49
8:32
-0:17
25K
15.53 mi13:11:012:13:588:3722:47
9:24
+0:52
30K
18.64 mi13:43:112:46:088:5532:10
10:21
+0:57
20M
20.00 mi13:57:063:00:039:0013:55
10:14
-0:07
21M
21.00 mi14:09:043:12:019:0911:58
11:58
+1:44
35K
21.75 mi14:15:473:18:449:086:43
8:59
-2:59
23M
23.00 mi14:28:053:31:029:1112:18
9:49
+0:50
24M
24.00 mi14:37:453:40:429:129:40
9:40
-0:09
40K
24.85 mi14:47:543:50:519:1710:09
11:52
+2:12
25.2M
25.20 mi14:51:433:54:409:193:49
11:04
-0:48
Finish
26.22 mi15:00:284:03:259:178:45
8:35
-2:29

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

8:16 /mi

Average Pace

9:17 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:32

38% of race

Time at Steady Pace

1:18:52

32% of race

Time at Slower Pace

1:12:01

30% of race

Average Pace: 9:17 /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 mi11:22:4525:428:1625:42
8:16
#18554
10K
6.21 mi11:48:3351:308:1725:48
8:18
#18540
15K
9.32 mi12:15:011:17:588:2226:28
8:31
#18827
20K
12.43 mi12:42:251:45:228:2927:24
8:49
#19139
Half
13.11 mi12:48:141:51:118:295:49
8:32
#19136
25K
15.53 mi13:11:012:13:588:3722:47
9:24
#19647
30K
18.64 mi13:43:112:46:088:5532:10
10:21
#20432
20M
20.00 mi13:57:063:00:039:0013:55
10:14
#20570
21M
21.00 mi14:09:043:12:019:0911:58
11:58
#20848
35K
21.75 mi14:15:473:18:449:086:43
8:59
#20747
23M
23.00 mi14:28:053:31:029:1112:18
9:49
#20717
24M
24.00 mi14:37:453:40:429:129:40
9:40
#20714
40K
24.85 mi14:47:543:50:519:1710:09
11:52
#20954
25.2M
25.20 mi14:51:433:54:409:193:49
11:04
#20943
Finish
26.22 mi15:00:284:03:259:178:45
8:35
#20824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185546662666219455(Top 68%)7149(Top 58%)7149(Top 394%)
10K6.21 mi3.10 mi18540+146639+236639+2318597(Top 65%)6654(Top 54%)6654(Top 367%)
15K9.32 mi3.11 mi18827-2876806-1676806-16719455(Top 68%)7149(Top 58%)7149(Top 394%)
20K12.43 mi3.11 mi19139-3126984-1786984-17820047(Top 71%)7506(Top 61%)7506(Top 414%)
Half13.11 mi0.68 mi19136+36984698419448(Top 68%)7169(Top 59%)7169(Top 395%)
25K15.53 mi2.42 mi19647-5117286-3027286-30221538(Top 76%)8384(Top 69%)8384(Top 462%)
30K18.64 mi3.11 mi20432-7857781-4957781-49522600(Top 80%)9104(Top 74%)9104(Top 502%)
20M20.00 mi1.36 mi20570-1387866-857866-8521692(Top 76%)8728(Top 71%)8728(Top 481%)
21M21.00 mi1.00 mi20848-2788040-1748040-17423548(Top 83%)9783(Top 80%)9783(Top 540%)
35K21.75 mi0.75 mi20747+1018001+398001+3918173(Top 64%)7009(Top 57%)7009(Top 387%)
23M23.00 mi1.25 mi20717+308010-98010-919893(Top 70%)7997(Top 65%)7997(Top 441%)
24M24.00 mi1.00 mi20714+38023-138023-1320291(Top 71%)8238(Top 67%)8238(Top 454%)
40K24.85 mi0.85 mi20954-2408174-1518174-15124723(Top 87%)10537(Top 86%)10537(Top 581%)
25.2M25.20 mi0.35 mi20943+118178-48178-420875(Top 73%)8589(Top 70%)8589(Top 474%)
Finish26.22 mi1.02 mi20824+1198128+508128+5016808(Top 59%)6469(Top 53%)6469(Top 357%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19455

Females

7149

F45-49

7149

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18597

Females

6654

F45-49

6654

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19455

Females

7149

F45-49

7149

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20047

Females

7506

F45-49

7506

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19448

Females

7169

F45-49

7169

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21538

Females

8384

F45-49

8384

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22600

Females

9104

F45-49

9104

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21692

Females

8728

F45-49

8728

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23548

Females

9783

F45-49

9783

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18173

Females

7009

F45-49

7009

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19893

Females

7997

F45-49

7997

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20291

Females

8238

F45-49

8238

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24723

Females

10537

F45-49

10537

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20875

Females

8589

F45-49

8589

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16808

Females

6469

F45-49

6469

Passing Analysis

Category:
Athletes Passed
1191
Passed By
3461
Net Change
-2270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18554
5K → 10K272258+14#18554#18540
10K → 15K104391-287#18540#18827
15K → 20K115427-312#18827#19139
20K → Half3835+3#19139#19136
Half → 25K55566-511#19136#19647
25K → 30K74859-785#19647#20432
30K → 20M59197-138#20432#20570
20M → 21M36314-278#20570#20848
21M → 35K1076+101#20848#20747
35K → 23M10878+30#20747#20717
23M → 24M5451+3#20717#20714
24M → 40K12252-240#20714#20954
40K → 25.2M3423+11#20954#20943
25.2M → Finish1234+119#20943#20824
TOTALS11913461-2270
📊

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