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BOSTON MARATHON 2025

Shawna Yee

Bib: 21086•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F60-64)
#0 / 624
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:38
Rank: #18426
Start → 5K
25:38 | 8:15/mi
10K· 6.21 mi
51:14
Rank: #18271 (+155)
5K → 10K
25:36 | 8:14/mi
15K· 9.32 mi
1:16:58
Rank: #18145 (+126)
10K → 15K
25:44 | 8:17/mi
20K· 12.43 mi
1:43:21
Rank: #18098 (+47)
15K → 20K
26:23 | 8:30/mi
Half· 13.11 mi
1:49:02
Rank: #18075 (+23)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:09:20
Rank: #17754 (+321)
Half → 25K
20:18 | 8:22/mi
30K· 18.64 mi
2:36:09
Rank: #17311 (+443)
25K → 30K
26:49 | 8:38/mi
20M
2:47:34
Rank: #17006 (+305)
30K → 20M
11:25 | 8:24/mi
21M
2:56:49
Rank: #16832 (+174)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
3:02:50
Rank: #16664 (+168)
21M → 35K
6:01 | 8:03/mi
23M
3:13:14
Rank: #16350 (+314)
35K → 23M
10:24 | 8:18/mi
24M
3:21:21
Rank: #16136 (+214)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:28:37
Rank: #16036 (+100)
24M → 40K
7:16 | 8:30/mi
25.2M
3:31:53
Rank: #15998 (+38)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:40:13
Rank: #15919 (+79)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:51:11
Pace8:29 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4125:388:1525:38
8:15
-
10K
6.21 mi11:45:1751:148:1525:36
8:14
-0:01
15K
9.32 mi12:11:011:16:588:1525:44
8:17
+0:03
20K
12.43 mi12:37:241:43:218:1926:23
8:30
+0:13
Half
13.11 mi12:43:051:49:028:195:41
8:20
-0:10
25K
15.53 mi13:03:232:09:208:2020:18
8:22
+0:02
30K
18.64 mi13:30:122:36:098:2326:49
8:38
+0:16
20M
20.00 mi13:41:372:47:348:2311:25
8:24
-0:14
21M
21.00 mi13:50:522:56:498:259:15
9:15
+0:51
35K
21.75 mi13:56:533:02:508:246:01
8:03
-1:12
23M
23.00 mi14:07:173:13:148:2410:24
8:18
+0:15
24M
24.00 mi14:15:243:21:218:238:07
8:07
-0:11
40K
24.85 mi14:22:403:28:378:247:16
8:30
+0:23
25.2M
25.20 mi14:25:563:31:538:243:16
9:28
+0:58
Finish
26.22 mi14:34:163:40:138:248:20
8:11
-1:17

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

8:03 /mi

Average Pace

8:24 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:42

94% of race

Time at Steady Pace

12:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:19:4125:388:1525:38
8:15
#18426
10K
6.21 mi11:45:1751:148:1525:36
8:14
#18271
15K
9.32 mi12:11:011:16:588:1525:44
8:17
#18145
20K
12.43 mi12:37:241:43:218:1926:23
8:30
#18098
Half
13.11 mi12:43:051:49:028:195:41
8:20
#18075
25K
15.53 mi13:03:232:09:208:2020:18
8:22
#17754
30K
18.64 mi13:30:122:36:098:2326:49
8:38
#17311
20M
20.00 mi13:41:372:47:348:2311:25
8:24
#17006
21M
21.00 mi13:50:522:56:498:259:15
9:15
#16832
35K
21.75 mi13:56:533:02:508:246:01
8:03
#16664
23M
23.00 mi14:07:173:13:148:2410:24
8:18
#16350
24M
24.00 mi14:15:243:21:218:238:07
8:07
#16136
40K
24.85 mi14:22:403:28:378:247:16
8:30
#16036
25.2M
25.20 mi14:25:563:31:538:243:16
9:28
#15998
Finish
26.22 mi14:34:163:40:138:248:20
8:11
#15919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi184266591659117936(Top 63%)6275(Top 51%)6275(Top 1006%)
10K6.21 mi3.10 mi18271+1556488+1036488+10318171(Top 64%)6400(Top 52%)6400(Top 1026%)
15K9.32 mi3.11 mi18145+1266416+726416+7217936(Top 63%)6275(Top 51%)6275(Top 1006%)
20K12.43 mi3.11 mi18098+476394+226394+2218177(Top 64%)6432(Top 53%)6432(Top 1031%)
Half13.11 mi0.68 mi18075+236382+126382+1218112(Top 64%)6362(Top 52%)6362(Top 1020%)
25K15.53 mi2.42 mi17754+3216209+1736209+17316394(Top 58%)5528(Top 45%)5528(Top 886%)
30K18.64 mi3.11 mi17311+4436003+2066003+20615584(Top 55%)5223(Top 43%)5223(Top 837%)
20M20.00 mi1.36 mi17006+3055846+1575846+15713205(Top 46%)4097(Top 34%)4097(Top 657%)
21M21.00 mi1.00 mi16832+1745773+735773+7314911(Top 52%)5127(Top 42%)5127(Top 822%)
35K21.75 mi0.75 mi16664+1685699+745699+7412609(Top 44%)3972(Top 32%)3972(Top 637%)
23M23.00 mi1.25 mi16350+3145547+1525547+15212113(Top 43%)3806(Top 31%)3806(Top 610%)
24M24.00 mi1.00 mi16136+2145455+925455+9212076(Top 43%)3855(Top 32%)3855(Top 618%)
40K24.85 mi0.85 mi16036+1005425+305425+3013470(Top 47%)4697(Top 38%)4697(Top 753%)
25.2M25.20 mi0.35 mi15998+385420+55420+514501(Top 51%)5290(Top 43%)5290(Top 848%)
Finish26.22 mi1.02 mi15919+795386+345386+3414155(Top 50%)5031(Top 41%)5031(Top 806%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17936

Females

6275

F60-64

6275

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18171

Females

6400

F60-64

6400

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17936

Females

6275

F60-64

6275

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18177

Females

6432

F60-64

6432

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18112

Females

6362

F60-64

6362

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16394

Females

5528

F60-64

5528

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15584

Females

5223

F60-64

5223

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13205

Females

4097

F60-64

4097

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14911

Females

5127

F60-64

5127

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12609

Females

3972

F60-64

3972

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12113

Females

3806

F60-64

3806

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12076

Females

3855

F60-64

3855

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13470

Females

4697

F60-64

4697

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14501

Females

5290

F60-64

5290

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14155

Females

5031

F60-64

5031

Passing Analysis

Category:
Athletes Passed
3173
Passed By
666
Net Change
+2507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18426
5K → 10K340185+155#18426#18271
10K → 15K248122+126#18271#18145
15K → 20K212165+47#18145#18098
20K → Half4623+23#18098#18075
Half → 25K34827+321#18075#17754
25K → 30K48239+443#17754#17311
30K → 20M3072+305#17311#17006
20M → 21M20329+174#17006#16832
21M → 35K1724+168#16832#16664
35K → 23M3173+314#16664#16350
23M → 24M2173+214#16350#16136
24M → 40K11616+100#16136#16036
40K → 25.2M5113+38#16036#15998
25.2M → Finish11435+79#15998#15919
TOTALS3173666+2507
📊

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