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BOSTON MARATHON 2025

Xiaohui Yang

Bib: 22567•F

IL

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
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:39
Rank: #21997
Start → 5K
27:39 | 8:54/mi
10K· 6.21 mi
55:29
Rank: #22109 (-112)
5K → 10K
27:50 | 8:58/mi
15K· 9.32 mi
1:23:21
Rank: #22036 (+73)
10K → 15K
27:52 | 8:58/mi
20K· 12.43 mi
1:51:56
Rank: #21977 (+59)
15K → 20K
28:35 | 9:12/mi
Half· 13.11 mi
1:57:55
Rank: #21899 (+78)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:20:39
Rank: #21805 (+94)
Half → 25K
22:44 | 9:23/mi
30K· 18.64 mi
2:50:28
Rank: #21519 (+286)
25K → 30K
29:49 | 9:36/mi
20M
3:03:21
Rank: #21321 (+198)
30K → 20M
12:53 | 9:29/mi
21M
3:13:17
Rank: #21133 (+188)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
3:19:48
Rank: #20973 (+160)
21M → 35K
6:31 | 8:43/mi
23M
3:31:12
Rank: #20750 (+223)
35K → 23M
11:24 | 9:06/mi
24M
3:40:02
Rank: #20582 (+168)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:47:43
Rank: #20462 (+120)
24M → 40K
7:41 | 8:59/mi
25.2M
3:51:07
Rank: #20407 (+55)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:59:59
Rank: #20348 (+59)
25.2M → Finish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:55
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:02:04
Pace9:19 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1127:398:5427:39
8:54
-
10K
6.21 mi11:53:0155:298:5627:50
8:58
+0:04
15K
9.32 mi12:20:531:23:218:5727:52
8:58
0:00
20K
12.43 mi12:49:281:51:569:0028:35
9:12
+0:14
Half
13.11 mi12:55:271:57:559:005:59
8:46
-0:26
25K
15.53 mi13:18:112:20:399:0322:44
9:23
+0:37
30K
18.64 mi13:48:002:50:289:0929:49
9:36
+0:13
20M
20.00 mi14:00:533:03:219:1012:53
9:29
-0:07
21M
21.00 mi14:10:493:13:179:129:56
9:56
+0:27
35K
21.75 mi14:17:203:19:489:116:31
8:43
-1:13
23M
23.00 mi14:28:443:31:129:1111:24
9:06
+0:23
24M
24.00 mi14:37:343:40:029:108:50
8:50
-0:16
40K
24.85 mi14:45:153:47:439:107:41
8:59
+0:09
25.2M
25.20 mi14:48:393:51:079:103:24
9:52
+0:53
Finish
26.22 mi14:57:313:59:599:108:52
8:42
-1:10

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

8:42 /mi

Average Pace

9:10 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:50

82% of race

Time at Steady Pace

43:09

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:09 /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 mi11:25:1127:398:5427:39
8:54
#21997
10K
6.21 mi11:53:0155:298:5627:50
8:58
#22109
15K
9.32 mi12:20:531:23:218:5727:52
8:58
#22036
20K
12.43 mi12:49:281:51:569:0028:35
9:12
#21977
Half
13.11 mi12:55:271:57:559:005:59
8:46
#21899
25K
15.53 mi13:18:112:20:399:0322:44
9:23
#21805
30K
18.64 mi13:48:002:50:289:0929:49
9:36
#21519
20M
20.00 mi14:00:533:03:219:1012:53
9:29
#21321
21M
21.00 mi14:10:493:13:179:129:56
9:56
#21133
35K
21.75 mi14:17:203:19:489:116:31
8:43
#20973
23M
23.00 mi14:28:443:31:129:1111:24
9:06
#20750
24M
24.00 mi14:37:343:40:029:108:50
8:50
#20582
40K
24.85 mi14:45:153:47:439:107:41
8:59
#20462
25.2M
25.20 mi14:48:393:51:079:103:24
9:52
#20407
Finish
26.22 mi14:57:313:59:599:108:52
8:42
#20348
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi219978619861921901(Top 77%)8485(Top 69%)8485(Top 854%)
10K6.21 mi3.10 mi22109-1128675-568675-5622203(Top 78%)8710(Top 71%)8710(Top 876%)
15K9.32 mi3.11 mi22036+738619+568619+5621901(Top 77%)8485(Top 69%)8485(Top 854%)
20K12.43 mi3.11 mi21977+598588+318588+3121895(Top 77%)8530(Top 70%)8530(Top 858%)
Half13.11 mi0.68 mi21899+788550+388550+3820809(Top 73%)7935(Top 65%)7935(Top 798%)
25K15.53 mi2.42 mi21805+948501+498501+4921464(Top 76%)8339(Top 68%)8339(Top 839%)
30K18.64 mi3.11 mi21519+2868365+1368365+13620344(Top 72%)7847(Top 64%)7847(Top 789%)
20M20.00 mi1.36 mi21321+1988282+838282+8319103(Top 67%)7319(Top 60%)7319(Top 736%)
21M21.00 mi1.00 mi21133+1888193+898193+8918070(Top 64%)6834(Top 56%)6834(Top 688%)
35K21.75 mi0.75 mi20973+1608119+748119+7416832(Top 59%)6256(Top 51%)6256(Top 629%)
23M23.00 mi1.25 mi20750+2238023+968023+9616887(Top 59%)6394(Top 52%)6394(Top 643%)
24M24.00 mi1.00 mi20582+1687952+717952+7116543(Top 58%)6241(Top 51%)6241(Top 628%)
40K24.85 mi0.85 mi20462+1207900+527900+5216274(Top 57%)6206(Top 51%)6206(Top 624%)
25.2M25.20 mi0.35 mi20407+557877+237877+2316485(Top 58%)6346(Top 52%)6346(Top 638%)
Finish26.22 mi1.02 mi20348+597862+157862+1517513(Top 62%)6835(Top 56%)6835(Top 688%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21901

Females

8485

F55-59

8485

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22203

Females

8710

F55-59

8710

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21901

Females

8485

F55-59

8485

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21895

Females

8530

F55-59

8530

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20809

Females

7935

F55-59

7935

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21464

Females

8339

F55-59

8339

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20344

Females

7847

F55-59

7847

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19103

Females

7319

F55-59

7319

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18070

Females

6834

F55-59

6834

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16832

Females

6256

F55-59

6256

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16887

Females

6394

F55-59

6394

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16543

Females

6241

F55-59

6241

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16274

Females

6206

F55-59

6206

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16485

Females

6346

F55-59

6346

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17513

Females

6835

F55-59

6835

Passing Analysis

Category:
Athletes Passed
2527
Passed By
878
Net Change
+1649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21997
5K → 10K214326-112#21997#22109
10K → 15K224151+73#22109#22036
15K → 20K208149+59#22036#21977
20K → Half824+78#21977#21899
Half → 25K195101+94#21899#21805
25K → 30K34761+286#21805#21519
30K → 20M21618+198#21519#21321
20M → 21M20113+188#21321#21133
21M → 35K1644+160#21133#20973
35K → 23M2318+223#20973#20750
23M → 24M1691+168#20750#20582
24M → 40K1299+120#20582#20462
40K → 25.2M616+55#20462#20407
25.2M → Finish8627+59#20407#20348
TOTALS2527878+1649
📊

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