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BOSTON MARATHON 2025

Anna Lee

Bib: 21373•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F45-49)
#0 / 1813
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:13
Rank: #17490
Start → 5K
25:13 | 8:07/mi
10K· 6.21 mi
50:23
Rank: #17323 (+167)
5K → 10K
25:10 | 8:06/mi
15K· 9.32 mi
1:15:47
Rank: #17304 (+19)
10K → 15K
25:24 | 8:11/mi
20K· 12.43 mi
1:41:42
Rank: #17243 (+61)
15K → 20K
25:55 | 8:21/mi
Half· 13.11 mi
1:47:17
Rank: #17222 (+21)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:08:08
Rank: #17271 (-49)
Half → 25K
20:51 | 8:36/mi
30K· 18.64 mi
2:35:42
Rank: #17153 (+118)
25K → 30K
27:34 | 8:52/mi
20M
2:48:04
Rank: #17156 (-3)
30K → 20M
12:22 | 9:06/mi
21M
2:57:34
Rank: #17068 (+88)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
3:03:43
Rank: #16919 (+149)
21M → 35K
6:09 | 8:13/mi
23M
3:14:58
Rank: #16862 (+57)
35K → 23M
11:15 | 8:59/mi
24M
3:24:15
Rank: #16957 (-95)
23M → 24M
9:17 | 9:17/mi
40K· 24.85 mi
3:32:21
Rank: #17051 (-94)
24M → 40K
8:06 | 9:28/mi
25.2M
3:35:58
Rank: #17085 (-34)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:45:22
Rank: #17237 (-152)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:58:05
Pace9:00 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5725:138:0725:13
8:07
-
10K
6.21 mi11:44:0750:238:0725:10
8:06
-0:01
15K
9.32 mi12:09:311:15:478:0825:24
8:11
+0:05
20K
12.43 mi12:35:261:41:428:1125:55
8:21
+0:10
Half
13.11 mi12:41:011:47:178:115:35
8:11
-0:10
25K
15.53 mi13:01:522:08:088:1520:51
8:36
+0:25
30K
18.64 mi13:29:262:35:428:2127:34
8:52
+0:16
20M
20.00 mi13:41:482:48:048:2412:22
9:06
+0:14
21M
21.00 mi13:51:182:57:348:279:30
9:30
+0:24
35K
21.75 mi13:57:273:03:438:276:09
8:13
-1:17
23M
23.00 mi14:08:423:14:588:2911:15
8:59
+0:46
24M
24.00 mi14:17:593:24:158:319:17
9:17
+0:18
40K
24.85 mi14:26:053:32:218:338:06
9:28
+0:11
25.2M
25.20 mi14:29:423:35:588:343:37
10:29
+1:01
Finish
26.22 mi14:39:063:45:228:369:24
9:13
-1:16

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

8:06 /mi

Average Pace

8:36 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:26

50% of race

Time at Steady Pace

1:12:02

32% of race

Time at Slower Pace

39:54

18% of race

Average Pace: 8:36 /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 mi11:18:5725:138:0725:13
8:07
#17490
10K
6.21 mi11:44:0750:238:0725:10
8:06
#17323
15K
9.32 mi12:09:311:15:478:0825:24
8:11
#17304
20K
12.43 mi12:35:261:41:428:1125:55
8:21
#17243
Half
13.11 mi12:41:011:47:178:115:35
8:11
#17222
25K
15.53 mi13:01:522:08:088:1520:51
8:36
#17271
30K
18.64 mi13:29:262:35:428:2127:34
8:52
#17153
20M
20.00 mi13:41:482:48:048:2412:22
9:06
#17156
21M
21.00 mi13:51:182:57:348:279:30
9:30
#17068
35K
21.75 mi13:57:273:03:438:276:09
8:13
#16919
23M
23.00 mi14:08:423:14:588:2911:15
8:59
#16862
24M
24.00 mi14:17:593:24:158:319:17
9:17
#16957
40K
24.85 mi14:26:053:32:218:338:06
9:28
#17051
25.2M
25.20 mi14:29:423:35:588:343:37
10:29
#17085
Finish
26.22 mi14:39:063:45:228:369:24
9:13
#17237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi174906025602517250(Top 61%)5875(Top 48%)5875(Top 324%)
10K6.21 mi3.10 mi17323+1675922+1035922+10317218(Top 61%)5835(Top 48%)5835(Top 322%)
15K9.32 mi3.11 mi17304+195895+275895+2717250(Top 61%)5875(Top 48%)5875(Top 324%)
20K12.43 mi3.11 mi17243+615885+105885+1017186(Top 61%)5881(Top 48%)5881(Top 324%)
Half13.11 mi0.68 mi17222+215876+95876+917234(Top 61%)5899(Top 48%)5899(Top 325%)
25K15.53 mi2.42 mi17271-495928-525928-5217811(Top 63%)6317(Top 52%)6317(Top 348%)
30K18.64 mi3.11 mi17153+1185906+225906+2217017(Top 60%)6042(Top 49%)6042(Top 333%)
20M20.00 mi1.36 mi17156-35935-295935-2917329(Top 61%)6326(Top 52%)6326(Top 349%)
21M21.00 mi1.00 mi17068+885919+165919+1616108(Top 57%)5767(Top 47%)5767(Top 318%)
35K21.75 mi0.75 mi16919+1495849+705849+7013825(Top 49%)4605(Top 38%)4605(Top 254%)
23M23.00 mi1.25 mi16862+575851-25851-216186(Top 57%)5988(Top 49%)5988(Top 330%)
24M24.00 mi1.00 mi16957-955931-805931-8018751(Top 66%)7408(Top 61%)7408(Top 409%)
40K24.85 mi0.85 mi17051-946016-856016-8518620(Top 66%)7436(Top 61%)7436(Top 410%)
25.2M25.20 mi0.35 mi17085-346054-386054-3818971(Top 67%)7610(Top 62%)7610(Top 420%)
Finish26.22 mi1.02 mi17237-1526147-936147-9320063(Top 71%)8178(Top 67%)8178(Top 451%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17250

Females

5875

F45-49

5875

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17218

Females

5835

F45-49

5835

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17250

Females

5875

F45-49

5875

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17186

Females

5881

F45-49

5881

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17234

Females

5899

F45-49

5899

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17811

Females

6317

F45-49

6317

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17017

Females

6042

F45-49

6042

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17329

Females

6326

F45-49

6326

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16108

Females

5767

F45-49

5767

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13825

Females

4605

F45-49

4605

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16186

Females

5988

F45-49

5988

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18751

Females

7408

F45-49

7408

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18620

Females

7436

F45-49

7436

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18971

Females

7610

F45-49

7610

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20063

Females

8178

F45-49

8178

Passing Analysis

Category:
Athletes Passed
1960
Passed By
1707
Net Change
+253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17490
5K → 10K363196+167#17490#17323
10K → 15K213194+19#17323#17304
15K → 20K215154+61#17304#17243
20K → Half3918+21#17243#17222
Half → 25K154203-49#17222#17271
25K → 30K273155+118#17271#17153
30K → 20M101104-3#17153#17156
20M → 21M15567+88#17156#17068
21M → 35K15910+149#17068#16919
35K → 23M13275+57#16919#16862
23M → 24M52147-95#16862#16957
24M → 40K47141-94#16957#17051
40K → 25.2M2559-34#17051#17085
25.2M → Finish32184-152#17085#17237
TOTALS19601707+253
📊

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