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BOSTON MARATHON 2025

Rebecca Hayworth

Bib: 18343•F

OH

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
8:05/mi
25:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:39
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:40:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:46:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:09:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:39:20
↑ 181↓ 1480.2%
20M
11:13/mi
2:54:34
↑ 64↓ 500.2%
21M
10:10/mi
3:04:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:12:49
↑ 17↓ 861.7%
23M
9:00/mi
3:24:05
↑ 23↓ 630.6%
24M
10:09/mi
3:34:14
↓ 821.3%
40K· 24.85 mi
10:01/mi
3:42:48
↓ 200.3%
25.2M
12:51/mi
3:47:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:56:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:33
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time2:10:02
Pace9:55 /mi
📊Positive Split: 22.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4025:088:0525:08
8:05
-
10K
6.21 mi11:41:1749:458:0024:37
7:55
-0:10
15K
9.32 mi12:06:111:14:398:0124:54
8:01
+0:06
20K
12.43 mi12:32:241:40:528:0726:13
8:26
+0:25
Half
13.11 mi12:38:051:46:338:085:41
8:20
-0:06
25K
15.53 mi13:00:472:09:158:1922:42
9:22
+1:02
30K
18.64 mi13:30:522:39:208:3330:05
9:41
+0:19
20M
20.00 mi13:46:062:54:348:4415:14
11:13
+1:32
21M
21.00 mi13:56:163:04:448:4810:10
10:10
-1:03
35K
21.75 mi14:04:213:12:498:528:05
10:48
+0:38
23M
23.00 mi14:15:373:24:058:5211:16
9:00
-1:48
24M
24.00 mi14:25:463:34:148:5610:09
10:09
+1:09
40K
24.85 mi14:34:203:42:488:588:34
10:01
-0:08
25.2M
25.20 mi14:38:463:47:149:014:26
12:51
+2:50
Finish
26.22 mi14:48:073:56:359:029:21
9:11
-3:40

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

7:55 /mi

Average Pace

9:02 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:33

45% of race

Time at Steady Pace

1:21:58

35% of race

Time at Slower Pace

48:04

20% of race

Average Pace: 9:01 /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 mi11:16:4025:088:0525:08
8:05
#17290
10K
6.21 mi11:41:1749:458:0024:37
7:55
#16581
15K
9.32 mi12:06:111:14:398:0124:54
8:01
#16415
20K
12.43 mi12:32:241:40:528:0726:13
8:26
#16812
Half
13.11 mi12:38:051:46:338:085:41
8:20
#16883
25K
15.53 mi13:00:472:09:158:1922:42
9:22
#17720
30K
18.64 mi13:30:522:39:208:3330:05
9:41
#18434
20M
20.00 mi13:46:062:54:348:4415:14
11:13
#19160
21M
21.00 mi13:56:163:04:448:4810:10
10:10
#19162
35K
21.75 mi14:04:213:12:498:528:05
10:48
#19449
23M
23.00 mi14:15:373:24:058:5211:16
9:00
#19277
24M
24.00 mi14:25:463:34:148:5610:09
10:09
#19440
40K
24.85 mi14:34:203:42:488:588:34
10:01
#19489
25.2M
25.20 mi14:38:463:47:149:014:26
12:51
#19656
Finish
26.22 mi14:48:073:56:359:029:21
9:11
#19671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi172905916591616170(Top 57%)5243(Top 43%)5243(Top 96%)
10K6.21 mi3.10 mi16581+7095486+4305486+43015874(Top 56%)5058(Top 41%)5058(Top 92%)
15K9.32 mi3.11 mi16415+1665385+1015385+10116170(Top 57%)5243(Top 43%)5243(Top 96%)
20K12.43 mi3.11 mi16812-3975628-2435628-24317813(Top 63%)6237(Top 51%)6237(Top 114%)
Half13.11 mi0.68 mi16883-715670-425670-4218212(Top 64%)6462(Top 53%)6462(Top 118%)
25K15.53 mi2.42 mi17720-8376189-5196189-51921407(Top 75%)8309(Top 68%)8309(Top 152%)
30K18.64 mi3.11 mi18434-7146625-4366625-43620640(Top 73%)8011(Top 66%)8011(Top 146%)
20M20.00 mi1.36 mi19160-7267070-4457070-44524027(Top 85%)9963(Top 81%)9963(Top 182%)
21M21.00 mi1.00 mi19162-27091-217091-2118933(Top 67%)7304(Top 60%)7304(Top 134%)
35K21.75 mi0.75 mi19449-2877274-1837274-18323825(Top 84%)9956(Top 81%)9956(Top 182%)
23M23.00 mi1.25 mi19277+1727204+707204+7016291(Top 57%)6065(Top 50%)6065(Top 111%)
24M24.00 mi1.00 mi19440-1637329-1257329-12521801(Top 77%)9033(Top 74%)9033(Top 165%)
40K24.85 mi0.85 mi19489-497373-447373-4420519(Top 72%)8415(Top 69%)8415(Top 154%)
25.2M25.20 mi0.35 mi19656-1677483-1107483-11024841(Top 87%)10590(Top 87%)10590(Top 194%)
Finish26.22 mi1.02 mi19671-157504-217504-2119861(Top 70%)8071(Top 66%)8071(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16170

Females

5243

F18-39

5243

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15874

Females

5058

F18-39

5058

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16170

Females

5243

F18-39

5243

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17813

Females

6237

F18-39

6237

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18212

Females

6462

F18-39

6462

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21407

Females

8309

F18-39

8309

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20640

Females

8011

F18-39

8011

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24027

Females

9963

F18-39

9963

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

18933

Females

7304

F18-39

7304

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23825

Females

9956

F18-39

9956

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16291

Females

6065

F18-39

6065

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21801

Females

9033

F18-39

9033

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20519

Females

8415

F18-39

8415

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24841

Females

10590

F18-39

10590

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19861

Females

8071

F18-39

8071

Passing Analysis

Category:
Athletes Passed
1757
Passed By
4138
Net Change
-2381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17290
5K → 10K79586+709#17290#16581
10K → 15K287121+166#16581#16415
15K → 20K97494-397#16415#16812
20K → Half1889-71#16812#16883
Half → 25K39876-837#16883#17720
25K → 30K77791-714#17720#18434
30K → 20M16742-726#18434#19160
20M → 21M99101-2#19160#19162
21M → 35K11298-287#19162#19449
35K → 23M18210+172#19449#19277
23M → 24M31194-163#19277#19440
24M → 40K51100-49#19440#19489
40K → 25.2M5172-167#19489#19656
25.2M → Finish4964-15#19656#19671
TOTALS17574138-2381
📊

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