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BOSTON MARATHON 2023

Sarah Butts

Bib: 25435•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:30
Rank: #19762
Start → 5K
27:30 | 8:51/mi
10K· 6.21 mi
55:42
Rank: #20497 (-735)
5K → 10K
28:12 | 9:05/mi
15K· 9.32 mi
1:23:40
Rank: #20469 (+28)
10K → 15K
27:58 | 9:00/mi
20K· 12.43 mi
1:55:48
Rank: #21567 (-1098)
15K → 20K
32:08 | 10:21/mi
Half· 13.11 mi
2:02:28
Rank: #21640 (-73)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:28:43
Rank: #22108 (-468)
Half → 25K
26:15 | 10:50/mi
30K· 18.64 mi
3:06:03
Rank: #22761 (-653)
25K → 30K
37:20 | 12:01/mi
20M
3:22:33
Rank: #22925 (-164)
30K → 20M
16:30 | 12:09/mi
21M
3:34:42
Rank: #22930 (-5)
20M → 21M
12:09 | 12:09/mi
35K· 21.75 mi
3:42:54
Rank: #22939 (-9)
21M → 35K
8:12 | 10:58/mi
23M
3:58:19
Rank: #23048 (-109)
35K → 23M
15:25 | 12:19/mi
24M
4:08:35
Rank: #22980 (+68)
23M → 24M
10:16 | 10:16/mi
40K· 24.85 mi
4:19:09
Rank: #23048 (-68)
24M → 40K
10:34 | 12:22/mi
25.2M
4:23:40
Rank: #23081 (-33)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
4:33:40
Rank: #23010 (+71)
25.2M → Finish
10:00 | 9:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:28
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:31:12
Pace11:32 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3327:308:5127:30
8:51
-
10K
6.21 mi12:11:4555:428:5828:12
9:05
+0:14
15K
9.32 mi12:39:431:23:408:5927:58
9:00
-0:05
20K
12.43 mi13:11:511:55:489:1932:08
10:21
+1:21
Half
13.11 mi13:18:312:02:289:216:40
9:46
-0:35
25K
15.53 mi13:44:462:28:439:3426:15
10:50
+1:04
30K
18.64 mi14:22:063:06:039:5937:20
12:01
+1:11
20M
20.00 mi14:38:363:22:3310:0816:30
12:09
+0:08
21M
21.00 mi14:50:453:34:4210:1312:09
12:09
0:00
35K
21.75 mi14:58:573:42:5410:158:12
10:58
-1:11
23M
23.00 mi15:14:223:58:1910:2215:25
12:19
+1:21
24M
24.00 mi15:24:384:08:3510:2110:16
10:16
-2:03
40K
24.85 mi15:35:124:19:0910:2610:34
12:22
+2:06
25.2M
25.20 mi15:39:434:23:4010:284:31
13:06
+0:44
Finish
26.22 mi15:49:434:33:4010:2710:00
9:49
-3:17

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

10:27 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:20

37% of race

Time at Steady Pace

1:16:51

28% of race

Time at Slower Pace

1:36:29

35% of race

Average Pace: 10:26 /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 mi11:43:3327:308:5127:30
8:51
#19762
10K
6.21 mi12:11:4555:428:5828:12
9:05
#20497
15K
9.32 mi12:39:431:23:408:5927:58
9:00
#20469
20K
12.43 mi13:11:511:55:489:1932:08
10:21
#21567
Half
13.11 mi13:18:312:02:289:216:40
9:46
#21640
25K
15.53 mi13:44:462:28:439:3426:15
10:50
#22108
30K
18.64 mi14:22:063:06:039:5937:20
12:01
#22761
20M
20.00 mi14:38:363:22:3310:0816:30
12:09
#22925
21M
21.00 mi14:50:453:34:4210:1312:09
12:09
#22930
35K
21.75 mi14:58:573:42:5410:158:12
10:58
#22939
23M
23.00 mi15:14:223:58:1910:2215:25
12:19
#23048
24M
24.00 mi15:24:384:08:3510:2110:16
10:16
#22980
40K
24.85 mi15:35:124:19:0910:2610:34
12:22
#23048
25.2M
25.20 mi15:39:434:23:4010:284:31
13:06
#23081
Finish
26.22 mi15:49:434:33:4010:2710:00
9:49
#23010
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197627676767620527(Top 77%)7975(Top 70%)7975(Top 163%)
10K6.21 mi3.10 mi20497-7358034-3588034-35821191(Top 80%)8382(Top 73%)8382(Top 172%)
15K9.32 mi3.11 mi20469+288001+338001+3320527(Top 77%)7975(Top 70%)7975(Top 163%)
20K12.43 mi3.11 mi21567-10988592-5918592-59123556(Top 88%)9665(Top 85%)9665(Top 198%)
Half13.11 mi0.68 mi21640-738631-398631-3922818(Top 86%)9255(Top 81%)9255(Top 189%)
25K15.53 mi2.42 mi22108-4688890-2598890-25923718(Top 89%)9802(Top 86%)9802(Top 201%)
30K18.64 mi3.11 mi22761-6539265-3759265-37524515(Top 92%)10289(Top 90%)10289(Top 211%)
20M20.00 mi1.36 mi22925-1649358-939358-9324376(Top 92%)10277(Top 90%)10277(Top 210%)
21M21.00 mi1.00 mi22930-59373-159373-1522961(Top 86%)9532(Top 83%)9532(Top 195%)
35K21.75 mi0.75 mi22939-99383-109383-1023247(Top 87%)9724(Top 85%)9724(Top 199%)
23M23.00 mi1.25 mi23048-1099450-679450-6724380(Top 92%)10329(Top 90%)10329(Top 211%)
24M24.00 mi1.00 mi22980+689426+249426+2421500(Top 81%)8850(Top 77%)8850(Top 181%)
40K24.85 mi0.85 mi23048-689470-449470-4424296(Top 91%)10331(Top 90%)10331(Top 212%)
25.2M25.20 mi0.35 mi23081-339487-179487-1724090(Top 90%)10229(Top 90%)10229(Top 209%)
Finish26.22 mi1.02 mi23010+719453+349453+3421219(Top 80%)8676(Top 76%)8676(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20527

Females

7975

F18-39

7975

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21191

Females

8382

F18-39

8382

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20527

Females

7975

F18-39

7975

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23556

Females

9665

F18-39

9665

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22818

Females

9255

F18-39

9255

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23718

Females

9802

F18-39

9802

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24515

Females

10289

F18-39

10289

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24376

Females

10277

F18-39

10277

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22961

Females

9532

F18-39

9532

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23247

Females

9724

F18-39

9724

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24380

Females

10329

F18-39

10329

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21500

Females

8850

F18-39

8850

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24296

Females

10331

F18-39

10331

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24090

Females

10229

F18-39

10229

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21219

Females

8676

F18-39

8676

Passing Analysis

Category:
Athletes Passed
634
Passed By
3882
Net Change
-3248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19762
5K → 10K76811-735#19762#20497
10K → 15K189161+28#20497#20469
15K → 20K121110-1098#20469#21567
20K → Half982-73#21567#21640
Half → 25K18486-468#21640#22108
25K → 30K19672-653#22108#22761
30K → 20M25189-164#22761#22925
20M → 21M5055-5#22925#22930
21M → 35K2837-9#22930#22939
35K → 23M21130-109#22939#23048
23M → 24M7810+68#23048#22980
24M → 40K2391-68#22980#23048
40K → 25.2M538-33#23048#23081
25.2M → Finish8110+71#23081#23010
TOTALS6343882-3248
📊

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