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BOSTON MARATHON 2025

Amber Kuszak

Bib: 14732•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F40-44)
#0 / 1718
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:00
Rank: #11356
Start → 5K
23:00 | 7:24/mi
10K· 6.21 mi
45:44
Rank: #10867 (+489)
5K → 10K
22:44 | 7:19/mi
15K· 9.32 mi
1:08:18
Rank: #10463 (+404)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:31:07
Rank: #10154 (+309)
15K → 20K
22:49 | 7:21/mi
Half· 13.11 mi
1:36:05
Rank: #10132 (+22)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:53:49
Rank: #9794 (+338)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:17:08
Rank: #9332 (+462)
25K → 30K
23:19 | 7:30/mi
20M
2:27:13
Rank: #9065 (+267)
30K → 20M
10:05 | 7:25/mi
21M
2:34:59
Rank: #8802 (+263)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:40:21
Rank: #8678 (+124)
21M → 35K
5:22 | 7:10/mi
23M
2:49:33
Rank: #8393 (+285)
35K → 23M
9:12 | 7:21/mi
24M
2:56:35
Rank: #8168 (+225)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
3:02:48
Rank: #8016 (+152)
24M → 40K
6:13 | 7:16/mi
25.2M
3:05:31
Rank: #7944 (+72)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:12:31
Rank: #7748 (+196)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:05
Pace7:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:26
Pace7:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3823:007:2423:00
7:24
-
10K
6.21 mi11:18:2245:447:2222:44
7:19
-0:05
15K
9.32 mi11:40:561:08:187:2022:34
7:16
-0:03
20K
12.43 mi12:03:451:31:077:2022:49
7:21
+0:05
Half
13.11 mi12:08:431:36:057:204:58
7:17
-0:04
25K
15.53 mi12:26:271:53:497:2017:44
7:19
+0:02
30K
18.64 mi12:49:462:17:087:2123:19
7:30
+0:11
20M
20.00 mi12:59:512:27:137:2210:05
7:25
-0:05
21M
21.00 mi13:07:372:34:597:237:46
7:46
+0:21
35K
21.75 mi13:12:592:40:217:225:22
7:10
-0:36
23M
23.00 mi13:22:112:49:337:229:12
7:21
+0:11
24M
24.00 mi13:29:132:56:357:217:02
7:02
-0:19
40K
24.85 mi13:35:263:02:487:216:13
7:16
+0:14
25.2M
25.20 mi13:38:093:05:317:222:43
7:53
+0:37
Finish
26.22 mi13:45:093:12:317:217:00
6:52
-1:01

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

6:52 /mi

Average Pace

7:21 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:02

95% of race

Time at Steady Pace

10:29

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:55:3823:007:2423:00
7:24
#11356
10K
6.21 mi11:18:2245:447:2222:44
7:19
#10867
15K
9.32 mi11:40:561:08:187:2022:34
7:16
#10463
20K
12.43 mi12:03:451:31:077:2022:49
7:21
#10154
Half
13.11 mi12:08:431:36:057:204:58
7:17
#10132
25K
15.53 mi12:26:271:53:497:2017:44
7:19
#9794
30K
18.64 mi12:49:462:17:087:2123:19
7:30
#9332
20M
20.00 mi12:59:512:27:137:2210:05
7:25
#9065
21M
21.00 mi13:07:372:34:597:237:46
7:46
#8802
35K
21.75 mi13:12:592:40:217:225:22
7:10
#8678
23M
23.00 mi13:22:112:49:337:229:12
7:21
#8393
24M
24.00 mi13:29:132:56:357:217:02
7:02
#8168
40K
24.85 mi13:35:263:02:487:216:13
7:16
#8016
25.2M
25.20 mi13:38:093:05:317:222:43
7:53
#7944
Finish
26.22 mi13:45:093:12:317:217:00
6:52
#7748
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi11356245824589690(Top 34%)1742(Top 14%)1742(Top 101%)
10K6.21 mi3.10 mi10867+4892237+2212237+22110493(Top 37%)2053(Top 17%)2053(Top 119%)
15K9.32 mi3.11 mi10463+4042056+1812056+1819690(Top 34%)1742(Top 14%)1742(Top 101%)
20K12.43 mi3.11 mi10154+3091936+1201936+1209411(Top 33%)1692(Top 14%)1692(Top 98%)
Half13.11 mi0.68 mi10132+221928+81928+89839(Top 35%)1855(Top 15%)1855(Top 108%)
25K15.53 mi2.42 mi9794+3381806+1221806+1228479(Top 30%)1408(Top 12%)1408(Top 82%)
30K18.64 mi3.11 mi9332+4621651+1551651+1557787(Top 27%)1304(Top 11%)1304(Top 76%)
20M20.00 mi1.36 mi9065+2671565+861565+866537(Top 23%)981(Top 8%)981(Top 57%)
21M21.00 mi1.00 mi8802+2631488+771488+776030(Top 21%)938(Top 8%)938(Top 55%)
35K21.75 mi0.75 mi8678+1241459+291459+296483(Top 23%)1099(Top 9%)1099(Top 64%)
23M23.00 mi1.25 mi8393+2851389+701389+705767(Top 20%)922(Top 8%)922(Top 54%)
24M24.00 mi1.00 mi8168+2251342+471342+474859(Top 17%)692(Top 6%)692(Top 40%)
40K24.85 mi0.85 mi8016+1521318+241318+245526(Top 19%)952(Top 8%)952(Top 55%)
25.2M25.20 mi0.35 mi7944+721299+191299+195386(Top 19%)1016(Top 8%)1016(Top 59%)
Finish26.22 mi1.02 mi7748+1961256+431256+434933(Top 17%)853(Top 7%)853(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9690

Females

1742

F40-44

1742

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10493

Females

2053

F40-44

2053

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9690

Females

1742

F40-44

1742

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9411

Females

1692

F40-44

1692

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9839

Females

1855

F40-44

1855

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8479

Females

1408

F40-44

1408

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7787

Females

1304

F40-44

1304

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6537

Females

981

F40-44

981

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6030

Females

938

F40-44

938

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6483

Females

1099

F40-44

1099

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5767

Females

922

F40-44

922

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4859

Females

692

F40-44

692

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5526

Females

952

F40-44

952

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5386

Females

1016

F40-44

1016

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4933

Females

853

F40-44

853

Passing Analysis

Category:
Athletes Passed
3880*
Passed By
271
Net Change
+3608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11356
5K → 10K589100+489#11356#10867
10K → 15K43026+404#10867#10463
15K → 20K34939+309#10463#10154
20K → Half4220+22#10154#10132
Half → 25K352*14+338#10132#9794
25K → 30K48826+462#9794#9332
30K → 20M2769+267#9332#9065
20M → 21M27310+263#9065#8802
21M → 35K1306+124#8802#8678
35K → 23M2894+285#8678#8393
23M → 24M2272+225#8393#8168
24M → 40K1586+152#8168#8016
40K → 25.2M742+72#8016#7944
25.2M → Finish2037+196#7944#7748
TOTALS3880*271+3608

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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