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BOSTON MARATHON 2025

Bethany Alt

Bib: 17368•F

OH

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0:00
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:40
Rank: #16104
Start → 5K
7:56/mi
24:40 split
10K· 6.21 mi
49:31
Rank: #16249 (-145)
5K → 10K
8:00/mi
24:51 split
15K· 9.32 mi
1:13:46
Rank: #15624 (+625)
10K → 15K
7:48/mi
24:15 split
20K· 12.43 mi
1:37:55
Rank: #14906 (+718)
15K → 20K
7:46/mi
24:09 split
Half· 13.11 mi
1:43:10
Rank: #14830 (+76)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
2:02:07
Rank: #14397 (+433)
Half → 25K
7:49/mi
18:57 split
30K· 18.64 mi
2:27:33
Rank: #14003 (+394)
25K → 30K
8:11/mi
25:26 split
20M
2:38:52
Rank: #13864 (+139)
30K → 20M
8:20/mi
11:19 split
21M
2:47:52
Rank: #13809 (+55)
20M → 21M
9:00/mi
9:00 split
35K· 21.75 mi
2:53:50
Rank: #13727 (+82)
21M → 35K
7:59/mi
5:58 split
23M
3:04:02
Rank: #13528 (+199)
35K → 23M
8:09/mi
10:12 split
24M
3:12:05
Rank: #13421 (+107)
23M → 24M
8:03/mi
8:03 split
40K· 24.85 mi
3:19:22
Rank: #13411 (+10)
24M → 40K
8:31/mi
7:17 split
25.2M
3:22:39
Rank: #13436 (-25)
40K → 25.2M
9:31/mi
3:17 split
Finish· 26.22 mi
3:31:30
Rank: #13618 (-182)
25.2M → Finish
8:41/mi
8:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:10
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:48:20
Pace8:16 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1224:407:5624:40
7:56
-
10K
6.21 mi11:40:0349:317:5824:51
8:00
+0:04
15K
9.32 mi12:04:181:13:467:5524:15
7:48
-0:12
20K
12.43 mi12:28:271:37:557:5324:09
7:46
-0:02
Half
13.11 mi12:33:421:43:107:525:15
7:42
-0:04
25K
15.53 mi12:52:392:02:077:5218:57
7:49
+0:07
30K
18.64 mi13:18:052:27:337:5525:26
8:11
+0:22
20M
20.00 mi13:29:242:38:527:5711:19
8:20
+0:09
21M
21.00 mi13:38:242:47:528:009:00
9:00
+0:40
35K
21.75 mi13:44:222:53:508:005:58
7:59
-1:01
23M
23.00 mi13:54:343:04:028:0010:12
8:09
+0:10
24M
24.00 mi14:02:373:12:058:008:03
8:03
-0:06
40K
24.85 mi14:09:543:19:228:017:17
8:31
+0:28
25.2M
25.20 mi14:13:113:22:398:033:17
9:31
+1:00
Finish
26.22 mi14:22:023:31:308:048:51
8:41
-0:50

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

7:42 /mi

Average Pace

8:04 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:39

25% of race

Time at Steady Pace

1:58:07

56% of race

Time at Slower Pace

39:44

19% of race

Average Pace: 8:04 /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 mi11:15:1224:407:5624:40
7:56
#16104
10K
6.21 mi11:40:0349:317:5824:51
8:00
#16249
15K
9.32 mi12:04:181:13:467:5524:15
7:48
#15624
20K
12.43 mi12:28:271:37:557:5324:09
7:46
#14906
Half
13.11 mi12:33:421:43:107:525:15
7:42
#14830
25K
15.53 mi12:52:392:02:077:5218:57
7:49
#14397
30K
18.64 mi13:18:052:27:337:5525:26
8:11
#14003
20M
20.00 mi13:29:242:38:527:5711:19
8:20
#13864
21M
21.00 mi13:38:242:47:528:009:00
9:00
#13809
35K
21.75 mi13:44:222:53:508:005:58
7:59
#13727
23M
23.00 mi13:54:343:04:028:0010:12
8:09
#13528
24M
24.00 mi14:02:373:12:058:008:03
8:03
#13421
40K
24.85 mi14:09:543:19:228:017:17
8:31
#13411
25.2M
25.20 mi14:13:113:22:398:033:17
9:31
#13436
Finish
26.22 mi14:22:023:31:308:048:51
8:41
#13618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi161045206520614425(Top 51%)4269(Top 35%)4269(Top 78%)
10K6.21 mi3.10 mi16249-1455294-885294-8816475(Top 58%)5405(Top 44%)5405(Top 99%)
15K9.32 mi3.11 mi15624+6254912+3824912+38214425(Top 51%)4269(Top 35%)4269(Top 78%)
20K12.43 mi3.11 mi14906+7184535+3774535+37713067(Top 46%)3590(Top 29%)3590(Top 66%)
Half13.11 mi0.68 mi14830+764493+424493+4213429(Top 47%)3740(Top 31%)3740(Top 68%)
25K15.53 mi2.42 mi14397+4334274+2194274+21912510(Top 44%)3405(Top 28%)3405(Top 62%)
30K18.64 mi3.11 mi14003+3944108+1664108+16612743(Top 45%)3691(Top 30%)3691(Top 67%)
20M20.00 mi1.36 mi13864+1394067+414067+4112697(Top 45%)3807(Top 31%)3807(Top 70%)
21M21.00 mi1.00 mi13809+554065+24065+213529(Top 48%)4377(Top 36%)4377(Top 80%)
35K21.75 mi0.75 mi13727+824037+284037+2812164(Top 43%)3738(Top 31%)3738(Top 68%)
23M23.00 mi1.25 mi13528+1993971+663971+6611065(Top 39%)3267(Top 27%)3267(Top 60%)
24M24.00 mi1.00 mi13421+1073934+373934+3711627(Top 41%)3642(Top 30%)3642(Top 67%)
40K24.85 mi0.85 mi13411+103950-163950-1613567(Top 48%)4733(Top 39%)4733(Top 87%)
25.2M25.20 mi0.35 mi13436-253977-273977-2714716(Top 52%)5386(Top 44%)5386(Top 98%)
Finish26.22 mi1.02 mi13618-1824110-1334110-13317390(Top 61%)6746(Top 55%)6746(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14425

Females

4269

F18-39

4269

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16475

Females

5405

F18-39

5405

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14425

Females

4269

F18-39

4269

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13067

Females

3590

F18-39

3590

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13429

Females

3740

F18-39

3740

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12510

Females

3405

F18-39

3405

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12743

Females

3691

F18-39

3691

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12697

Females

3807

F18-39

3807

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13529

Females

4377

F18-39

4377

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12164

Females

3738

F18-39

3738

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11065

Females

3267

F18-39

3267

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11627

Females

3642

F18-39

3642

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13567

Females

4733

F18-39

4733

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14716

Females

5386

F18-39

5386

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17390

Females

6746

F18-39

6746

Passing Analysis

Category:
Athletes Passed
3503
Passed By
1017
Net Change
+2486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16104
5K → 10K237382-145#16104#16249
10K → 15K65126+625#16249#15624
15K → 20K7246+718#15624#14906
20K → Half848+76#14906#14830
Half → 25K44411+433#14830#14397
25K → 30K45662+394#14397#14003
30K → 20M18849+139#14003#13864
20M → 21M12974+55#13864#13809
21M → 35K9513+82#13809#13727
35K → 23M22425+199#13727#13528
23M → 24M13528+107#13528#13421
24M → 40K8070+10#13421#13411
40K → 25.2M2752-25#13411#13436
25.2M → Finish29211-182#13436#13618
TOTALS35031017+2486
📊

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