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BOSTON MARATHON 2025

Amy Tan

Bib: 23449•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:51
Rank: #22278
Start → 5K
27:51 | 8:58/mi
10K· 6.21 mi
55:52
Rank: #22390 (-112)
5K → 10K
28:01 | 9:01/mi
15K· 9.32 mi
1:23:21
Rank: #22038 (+352)
10K → 15K
27:29 | 8:51/mi
20K· 12.43 mi
1:51:21
Rank: #21757 (+281)
15K → 20K
28:00 | 9:01/mi
Half· 13.11 mi
1:57:25
Rank: #21725 (+32)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:19:51
Rank: #21564 (+161)
Half → 25K
22:26 | 9:15/mi
30K· 18.64 mi
2:49:20
Rank: #21266 (+298)
25K → 30K
29:29 | 9:29/mi
20M
3:02:39
Rank: #21173 (+93)
30K → 20M
13:19 | 9:48/mi
21M
3:12:54
Rank: #21055 (+118)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:20:25
Rank: #21105 (-50)
21M → 35K
7:31 | 10:03/mi
23M
3:32:50
Rank: #21042 (+63)
35K → 23M
12:25 | 9:55/mi
24M
3:42:52
Rank: #21061 (-19)
23M → 24M
10:02 | 10:02/mi
40K· 24.85 mi
3:52:34
Rank: #21222 (-161)
24M → 40K
9:42 | 11:21/mi
25.2M
3:57:35
Rank: #21390 (-168)
40K → 25.2M
5:01 | 14:33/mi
Finish· 26.22 mi
4:07:43
Rank: #21431 (-41)
25.2M → Finish
10:08 | 9:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:25
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:10:18
Pace9:56 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2327:518:5827:51
8:58
-
10K
6.21 mi11:55:2455:528:5928:01
9:01
+0:03
15K
9.32 mi12:22:531:23:218:5727:29
8:51
-0:10
20K
12.43 mi12:50:531:51:218:5828:00
9:01
+0:10
Half
13.11 mi12:56:571:57:258:576:04
8:54
-0:07
25K
15.53 mi13:19:232:19:519:0022:26
9:15
+0:21
30K
18.64 mi13:48:522:49:209:0529:29
9:29
+0:14
20M
20.00 mi14:02:113:02:399:0813:19
9:48
+0:19
21M
21.00 mi14:12:263:12:549:1110:15
10:15
+0:27
35K
21.75 mi14:19:573:20:259:137:31
10:03
-0:12
23M
23.00 mi14:32:223:32:509:1512:25
9:55
-0:08
24M
24.00 mi14:42:243:42:529:1710:02
10:02
+0:07
40K
24.85 mi14:52:063:52:349:219:42
11:21
+1:19
25.2M
25.20 mi14:57:073:57:359:265:01
14:33
+3:12
Finish
26.22 mi15:07:154:07:439:2710:08
9:57
-4:36

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

8:51 /mi

Average Pace

9:27 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:25

47% of race

Time at Steady Pace

1:55:35

47% of race

Time at Slower Pace

14:43

6% of race

Average Pace: 9:27 /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 mi11:27:2327:518:5827:51
8:58
#22278
10K
6.21 mi11:55:2455:528:5928:01
9:01
#22390
15K
9.32 mi12:22:531:23:218:5727:29
8:51
#22038
20K
12.43 mi12:50:531:51:218:5828:00
9:01
#21757
Half
13.11 mi12:56:571:57:258:576:04
8:54
#21725
25K
15.53 mi13:19:232:19:519:0022:26
9:15
#21564
30K
18.64 mi13:48:522:49:209:0529:29
9:29
#21266
20M
20.00 mi14:02:113:02:399:0813:19
9:48
#21173
21M
21.00 mi14:12:263:12:549:1110:15
10:15
#21055
35K
21.75 mi14:19:573:20:259:137:31
10:03
#21105
23M
23.00 mi14:32:223:32:509:1512:25
9:55
#21042
24M
24.00 mi14:42:243:42:529:1710:02
10:02
#21061
40K
24.85 mi14:52:063:52:349:219:42
11:21
#21222
25.2M
25.20 mi14:57:073:57:359:265:01
14:33
#21390
Finish
26.22 mi15:07:154:07:439:2710:08
9:57
#21431
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi222788784878421277(Top 75%)8153(Top 67%)8153(Top 626%)
10K6.21 mi3.10 mi22390-1128830-468830-4622468(Top 79%)8846(Top 72%)8846(Top 679%)
15K9.32 mi3.11 mi22038+3528621+2098621+20921277(Top 75%)8153(Top 67%)8153(Top 626%)
20K12.43 mi3.11 mi21757+2818469+1528469+15221052(Top 74%)8094(Top 66%)8094(Top 621%)
Half13.11 mi0.68 mi21725+328452+178452+1721400(Top 75%)8261(Top 68%)8261(Top 634%)
25K15.53 mi2.42 mi21564+1618363+898363+8920990(Top 74%)8098(Top 66%)8098(Top 621%)
30K18.64 mi3.11 mi21266+2988228+1358228+13519909(Top 70%)7616(Top 62%)7616(Top 584%)
20M20.00 mi1.36 mi21173+938204+248204+2420317(Top 72%)7975(Top 65%)7975(Top 612%)
21M21.00 mi1.00 mi21055+1188155+498155+4919217(Top 68%)7452(Top 61%)7452(Top 572%)
35K21.75 mi0.75 mi21105-508193-388193-3822048(Top 78%)9056(Top 74%)9056(Top 695%)
23M23.00 mi1.25 mi21042+638185+88185+820249(Top 71%)8176(Top 67%)8176(Top 627%)
24M24.00 mi1.00 mi21061-198225-408225-4021476(Top 76%)8843(Top 72%)8843(Top 679%)
40K24.85 mi0.85 mi21222-1618327-1028327-10223851(Top 84%)10095(Top 83%)10095(Top 775%)
25.2M25.20 mi0.35 mi21390-1688423-968423-9626796(Top 94%)11561(Top 95%)11561(Top 887%)
Finish26.22 mi1.02 mi21431-418465-428465-4222767(Top 80%)9551(Top 78%)9551(Top 733%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21277

Females

8153

F50-54

8153

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22468

Females

8846

F50-54

8846

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21277

Females

8153

F50-54

8153

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21052

Females

8094

F50-54

8094

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21400

Females

8261

F50-54

8261

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

20990

Females

8098

F50-54

8098

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19909

Females

7616

F50-54

7616

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20317

Females

7975

F50-54

7975

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19217

Females

7452

F50-54

7452

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22048

Females

9056

F50-54

9056

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20249

Females

8176

F50-54

8176

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21476

Females

8843

F50-54

8843

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23851

Females

10095

F50-54

10095

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26796

Females

11561

F50-54

11561

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22767

Females

9551

F50-54

9551

Passing Analysis

Category:
Athletes Passed
2152
Passed By
1305
Net Change
+847
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22278
5K → 10K211323-112#22278#22390
10K → 15K40452+352#22390#22038
15K → 20K33453+281#22038#21757
20K → Half5422+32#21757#21725
Half → 25K22059+161#21725#21564
25K → 30K36264+298#21564#21266
30K → 20M14754+93#21266#21173
20M → 21M15234+118#21173#21055
21M → 35K4898-50#21055#21105
35K → 23M11451+63#21105#21042
23M → 24M5675-19#21042#21061
24M → 40K13174-161#21061#21222
40K → 25.2M3171-168#21222#21390
25.2M → Finish3475-41#21390#21431
TOTALS21521305+847
📊

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