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BOSTON MARATHON 2025

Yuanyuan An

Bib: 24181•F

ON

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:24
Rank: #25827
Start → 5K
31:24 | 10:06/mi
10K· 6.21 mi
1:02:27
Rank: #25544 (+283)
5K → 10K
31:03 | 10:00/mi
15K· 9.32 mi
1:33:27
Rank: #25354 (+190)
10K → 15K
31:00 | 9:59/mi
20K· 12.43 mi
2:05:06
Rank: #25165 (+189)
15K → 20K
31:39 | 10:11/mi
Half· 13.11 mi
2:11:52
Rank: #25139 (+26)
20K → Half
6:46 | 9:55/mi
25K· 15.53 mi
2:37:03
Rank: #24951 (+188)
Half → 25K
25:11 | 10:23/mi
30K· 18.64 mi
3:10:53
Rank: #24732 (+219)
25K → 30K
33:50 | 10:53/mi
20M
3:25:55
Rank: #24673 (+59)
30K → 20M
15:02 | 11:04/mi
21M
3:38:09
Rank: #24650 (+23)
20M → 21M
12:14 | 12:14/mi
35K· 21.75 mi
3:46:27
Rank: #24650
21M → 35K
8:18 | 11:06/mi
23M
4:01:01
Rank: #24653 (-3)
35K → 23M
14:34 | 11:38/mi
24M
4:12:53
Rank: #24689 (-36)
23M → 24M
11:52 | 11:52/mi
40K· 24.85 mi
4:23:11
Rank: #24719 (-30)
24M → 40K
10:18 | 12:03/mi
25.2M
4:27:45
Rank: #24731 (-12)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
4:38:59
Rank: #24774 (-43)
25.2M → Finish
11:14 | 11:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:52
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time2:27:07
Pace11:13 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:5631:2410:0631:24
10:06
-
10K
6.21 mi12:02:591:02:2710:0331:03
10:00
-0:06
15K
9.32 mi12:33:591:33:2710:0231:00
9:59
-0:01
20K
12.43 mi13:05:382:05:0610:0431:39
10:11
+0:12
Half
13.11 mi13:12:242:11:5210:046:46
9:55
-0:16
25K
15.53 mi13:37:352:37:0310:0725:11
10:23
+0:28
30K
18.64 mi14:11:253:10:5310:1433:50
10:53
+0:30
20M
20.00 mi14:26:273:25:5510:1815:02
11:04
+0:11
21M
21.00 mi14:38:413:38:0910:2312:14
12:14
+1:10
35K
21.75 mi14:46:593:46:2710:258:18
11:06
-1:08
23M
23.00 mi15:01:334:01:0110:2914:34
11:38
+0:32
24M
24.00 mi15:13:254:12:5310:3211:52
11:52
+0:14
40K
24.85 mi15:23:434:23:1110:3510:18
12:03
+0:11
25.2M
25.20 mi15:28:174:27:4510:384:34
13:15
+1:12
Finish
26.22 mi15:39:314:38:5910:3911:14
11:01
-2:14

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

9:55 /mi

Average Pace

10:39 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:03

56% of race

Time at Steady Pace

1:08:24

25% of race

Time at Slower Pace

53:32

19% of race

Average Pace: 10:38 /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 mi11:31:5631:2410:0631:24
10:06
#25827
10K
6.21 mi12:02:591:02:2710:0331:03
10:00
#25544
15K
9.32 mi12:33:591:33:2710:0231:00
9:59
#25354
20K
12.43 mi13:05:382:05:0610:0431:39
10:11
#25165
Half
13.11 mi13:12:242:11:5210:046:46
9:55
#25139
25K
15.53 mi13:37:352:37:0310:0725:11
10:23
#24951
30K
18.64 mi14:11:253:10:5310:1433:50
10:53
#24732
20M
20.00 mi14:26:273:25:5510:1815:02
11:04
#24673
21M
21.00 mi14:38:413:38:0910:2312:14
12:14
#24650
35K
21.75 mi14:46:593:46:2710:258:18
11:06
#24650
23M
23.00 mi15:01:334:01:0110:2914:34
11:38
#24653
24M
24.00 mi15:13:254:12:5310:3211:52
11:52
#24689
40K
24.85 mi15:23:434:23:1110:3510:18
12:03
#24719
25.2M
25.20 mi15:28:174:27:4510:384:34
13:15
#24731
Finish
26.22 mi15:39:314:38:5910:3911:14
11:01
#24774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25827106581065824945(Top 88%)10183(Top 83%)10183(Top 1024%)
10K6.21 mi3.10 mi25544+28310524+13410524+13425298(Top 89%)10400(Top 85%)10400(Top 1046%)
15K9.32 mi3.11 mi25354+19010418+10610418+10624945(Top 88%)10183(Top 83%)10183(Top 1024%)
20K12.43 mi3.11 mi25165+18910324+9410324+9424605(Top 87%)10053(Top 82%)10053(Top 1011%)
Half13.11 mi0.68 mi25139+2610315+910315+924628(Top 87%)10075(Top 82%)10075(Top 1014%)
25K15.53 mi2.42 mi24951+18810224+9110224+9124147(Top 85%)9828(Top 80%)9828(Top 989%)
30K18.64 mi3.11 mi24732+21910134+9010134+9023790(Top 84%)9756(Top 80%)9756(Top 981%)
20M20.00 mi1.36 mi24673+5910114+2010114+2023702(Top 83%)9794(Top 80%)9794(Top 985%)
21M21.00 mi1.00 mi24650+2310115-110115-123973(Top 84%)10021(Top 82%)10021(Top 1008%)
35K21.75 mi0.75 mi2465010121-610121-624383(Top 86%)10267(Top 84%)10267(Top 1033%)
23M23.00 mi1.25 mi24653-310145-2410145-2424459(Top 86%)10328(Top 84%)10328(Top 1039%)
24M24.00 mi1.00 mi24689-3610176-3110176-3125492(Top 90%)10871(Top 89%)10871(Top 1094%)
40K24.85 mi0.85 mi24719-3010205-2910205-2924980(Top 88%)10666(Top 87%)10666(Top 1073%)
25.2M25.20 mi0.35 mi24731-1210219-1410219-1425312(Top 89%)10846(Top 89%)10846(Top 1091%)
Finish26.22 mi1.02 mi24774-4310249-3010249-3025392(Top 89%)10848(Top 89%)10848(Top 1091%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

24945

Females

10183

F55-59

10183

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25298

Females

10400

F55-59

10400

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

24945

Females

10183

F55-59

10183

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24605

Females

10053

F55-59

10053

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24628

Females

10075

F55-59

10075

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24147

Females

9828

F55-59

9828

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23790

Females

9756

F55-59

9756

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23702

Females

9794

F55-59

9794

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23973

Females

10021

F55-59

10021

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24383

Females

10267

F55-59

10267

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24459

Females

10328

F55-59

10328

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25492

Females

10871

F55-59

10871

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24980

Females

10666

F55-59

10666

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25312

Females

10846

F55-59

10846

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

25392

Females

10848

F55-59

10848

Passing Analysis

Category:
Athletes Passed
1653
Passed By
600
Net Change
+1053
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25827
5K → 10K35370+283#25827#25544
10K → 15K23949+190#25544#25354
15K → 20K23243+189#25354#25165
20K → Half3913+26#25165#25139
Half → 25K20921+188#25139#24951
25K → 30K24728+219#24951#24732
30K → 20M8930+59#24732#24673
20M → 21M6542+23#24673#24650
21M → 35K33330#24650#24650
35K → 23M5558-3#24650#24653
23M → 24M2561-36#24653#24689
24M → 40K3363-30#24689#24719
40K → 25.2M1325-12#24719#24731
25.2M → Finish2164-43#24731#24774
TOTALS1653600+1053
📊

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