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BOSTON MARATHON 2025

Amy Kwok Bouley

Bib: 29748•F

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:10/mi
31:36
↑ 97↓ 3451.5%
10K· 6.21 mi
9:30/mi
1:01:08
↑ 79↓ 1380.4%
15K· 9.32 mi
9:24/mi
1:30:20
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
2:00:13
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
2:06:35
↑ 19↓ 370.5%
25K· 15.53 mi
10:10/mi
2:31:13
↑ 66↓ 880.2%
30K· 18.64 mi
10:04/mi
3:02:28
↑ 181↓ 1480.2%
20M
10:04/mi
3:16:09
↑ 64↓ 500.2%
21M
10:25/mi
3:26:34
↑ 106↓ 241.6%
35K· 21.75 mi
9:55/mi
3:33:59
↑ 17↓ 861.7%
23M
10:15/mi
3:46:49
↑ 23↓ 630.6%
24M
10:27/mi
3:57:16
↓ 821.3%
40K· 24.85 mi
10:15/mi
4:06:02
↓ 200.3%
25.2M
11:10/mi
4:09:53
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
4:20:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:35
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:13:40
Pace10:12 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0731:3610:1031:36
10:10
-
10K
6.21 mi12:19:391:01:089:5029:32
9:30
-0:40
15K
9.32 mi12:48:511:30:209:4229:12
9:24
-0:06
20K
12.43 mi13:18:442:00:139:4029:53
9:37
+0:13
Half
13.11 mi13:25:062:06:359:396:22
9:20
-0:17
25K
15.53 mi13:49:442:31:139:4424:38
10:10
+0:50
30K
18.64 mi14:20:593:02:289:4731:15
10:04
-0:06
20M
20.00 mi14:34:403:16:099:4813:41
10:04
0:00
21M
21.00 mi14:45:053:26:349:5010:25
10:25
+0:21
35K
21.75 mi14:52:303:33:599:507:25
9:55
-0:30
23M
23.00 mi15:05:203:46:499:5212:50
10:15
+0:20
24M
24.00 mi15:15:473:57:169:5310:27
10:27
+0:12
40K
24.85 mi15:24:334:06:029:548:46
10:15
-0:12
25.2M
25.20 mi15:28:244:09:539:553:51
11:10
+0:55
Finish
26.22 mi15:38:464:20:159:5610:22
10:10
-1:00

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

9:20 /mi

Average Pace

9:56 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:55:32

91% of race

Time at Steady Pace

20:52

8% of race

Time at Slower Pace

3:51

1% of race

Average Pace: 9:56 /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 mi11:50:0731:3610:1031:36
10:10
#26006
10K
6.21 mi12:19:391:01:089:5029:32
9:30
#25054
15K
9.32 mi12:48:511:30:209:4229:12
9:24
#24564
20K
12.43 mi13:18:442:00:139:4029:53
9:37
#24230
Half
13.11 mi13:25:062:06:359:396:22
9:20
#24172
25K
15.53 mi13:49:442:31:139:4424:38
10:10
#24063
30K
18.64 mi14:20:593:02:289:4731:15
10:04
#23632
20M
20.00 mi14:34:403:16:099:4813:41
10:04
#23453
21M
21.00 mi14:45:053:26:349:5010:25
10:25
#23252
35K
21.75 mi14:52:303:33:599:507:25
9:55
#23190
23M
23.00 mi15:05:203:46:499:5212:50
10:15
#23086
24M
24.00 mi15:15:473:57:169:5310:27
10:27
#23061
40K
24.85 mi15:24:334:06:029:548:46
10:15
#22984
25.2M
25.20 mi15:28:244:09:539:553:51
11:10
#22964
Finish
26.22 mi15:38:464:20:159:5610:22
10:10
#22986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi26006107601076023477(Top 83%)9364(Top 77%)9364(Top 516%)
10K6.21 mi3.10 mi25054+95210259+50110259+50124130(Top 85%)9759(Top 80%)9759(Top 538%)
15K9.32 mi3.11 mi24564+4909991+2689991+26823477(Top 83%)9364(Top 77%)9364(Top 516%)
20K12.43 mi3.11 mi24230+3349820+1719820+17123268(Top 82%)9285(Top 76%)9285(Top 512%)
Half13.11 mi0.68 mi24172+589789+319789+3123093(Top 81%)9206(Top 75%)9206(Top 508%)
25K15.53 mi2.42 mi24063+1099744+459744+4523633(Top 83%)9550(Top 78%)9550(Top 527%)
30K18.64 mi3.11 mi23632+4319530+2149530+21421770(Top 77%)8655(Top 71%)8655(Top 477%)
20M20.00 mi1.36 mi23453+1799447+839447+8321196(Top 75%)8471(Top 69%)8471(Top 467%)
21M21.00 mi1.00 mi23252+2019364+839364+8319777(Top 70%)7786(Top 64%)7786(Top 429%)
35K21.75 mi0.75 mi23190+629336+289336+2821683(Top 76%)8870(Top 73%)8870(Top 489%)
23M23.00 mi1.25 mi23086+1049309+279309+2721287(Top 75%)8700(Top 71%)8700(Top 480%)
24M24.00 mi1.00 mi23061+259324-159324-1522692(Top 80%)9477(Top 78%)9477(Top 523%)
40K24.85 mi0.85 mi22984+779298+269298+2621267(Top 75%)8807(Top 72%)8807(Top 486%)
25.2M25.20 mi0.35 mi22964+209296+29296+221173(Top 75%)8756(Top 72%)8756(Top 483%)
Finish26.22 mi1.02 mi22986-229311-159311-1523456(Top 83%)9903(Top 81%)9903(Top 546%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23477

Females

9364

F45-49

9364

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24130

Females

9759

F45-49

9759

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23477

Females

9364

F45-49

9364

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23268

Females

9285

F45-49

9285

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23093

Females

9206

F45-49

9206

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23633

Females

9550

F45-49

9550

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21770

Females

8655

F45-49

8655

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21196

Females

8471

F45-49

8471

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19777

Females

7786

F45-49

7786

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21683

Females

8870

F45-49

8870

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21287

Females

8700

F45-49

8700

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22692

Females

9477

F45-49

9477

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21267

Females

8807

F45-49

8807

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21173

Females

8756

F45-49

8756

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23456

Females

9903

F45-49

9903

Passing Analysis

Category:
Athletes Passed
3290
Passed By
270
Net Change
+3020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26006
5K → 10K9564+952#26006#25054
10K → 15K4977+490#25054#24564
15K → 20K34814+334#24564#24230
20K → Half635+58#24230#24172
Half → 25K17162+109#24172#24063
25K → 30K44110+431#24063#23632
30K → 20M19011+179#23632#23453
20M → 21M2065+201#23453#23252
21M → 35K7210+62#23252#23190
35K → 23M12723+104#23190#23086
23M → 24M6742+25#23086#23061
24M → 40K869+77#23061#22984
40K → 25.2M3111+20#22984#22964
25.2M → Finish3557-22#22964#22986
TOTALS3290270+3020
📊

Passing Visuals

Category:
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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