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BOSTON MARATHON 2023

Sara Kraftcheck

Bib: 25671•F

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0:00
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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
34:19
Rank: #25746
Start → 5K
34:19 | 11:03/mi
10K· 6.21 mi
1:08:08
Rank: #25536 (+210)
5K → 10K
33:49 | 10:53/mi
15K· 9.32 mi
1:41:21
Rank: #25251 (+285)
10K → 15K
33:13 | 10:41/mi
20K· 12.43 mi
2:15:08
Rank: #25031 (+220)
15K → 20K
33:47 | 10:52/mi
Half· 13.11 mi
2:22:31
Rank: #25010 (+21)
20K → Half
7:23 | 10:49/mi
25K· 15.53 mi
2:48:50
Rank: #24807 (+203)
Half → 25K
26:19 | 10:51/mi
30K· 18.64 mi
3:22:05
Rank: #24429 (+378)
25K → 30K
33:15 | 10:42/mi
20M
3:37:07
Rank: #24293 (+136)
30K → 20M
15:02 | 11:04/mi
21M
3:49:07
Rank: #24207 (+86)
20M → 21M
12:00 | 12:00/mi
35K· 21.75 mi
3:57:17
Rank: #24177 (+30)
21M → 35K
8:10 | 10:55/mi
23M
4:10:57
Rank: #24084 (+93)
35K → 23M
13:40 | 10:55/mi
24M
4:21:42
Rank: #24023 (+61)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
4:30:41
Rank: #23947 (+76)
24M → 40K
8:59 | 10:30/mi
25.2M
4:34:36
Rank: #23913 (+34)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:44:53
Rank: #23870 (+43)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:22:31
Pace10:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:22:22
Pace10:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1934:1911:0334:19
11:03
-
10K
6.21 mi12:27:081:08:0810:5833:49
10:53
-0:10
15K
9.32 mi13:00:211:41:2110:5233:13
10:41
-0:12
20K
12.43 mi13:34:082:15:0810:5233:47
10:52
+0:11
Half
13.11 mi13:41:312:22:3110:527:23
10:49
-0:03
25K
15.53 mi14:07:502:48:5010:5226:19
10:51
+0:02
30K
18.64 mi14:41:053:22:0510:5033:15
10:42
-0:09
20M
20.00 mi14:56:073:37:0710:5115:02
11:04
+0:22
21M
21.00 mi15:08:073:49:0710:5512:00
12:00
+0:56
35K
21.75 mi15:16:173:57:1710:558:10
10:55
-1:05
23M
23.00 mi15:29:574:10:5710:5513:40
10:55
0:00
24M
24.00 mi15:40:424:21:4210:5410:45
10:45
-0:10
40K
24.85 mi15:49:414:30:4110:538:59
10:30
-0:15
25.2M
25.20 mi15:53:364:34:3610:543:55
11:21
+0:51
Finish
26.22 mi16:03:534:44:5310:5210:17
10:05
-1:16

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

10:05 /mi

Average Pace

10:52 /mi

Slowest Pace

12:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:28:58

94% of race

Time at Steady Pace

3:55

1% of race

Time at Slower Pace

12:00

4% of race

Average Pace: 10:52 /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 mi11:53:1934:1911:0334:19
11:03
#25746
10K
6.21 mi12:27:081:08:0810:5833:49
10:53
#25536
15K
9.32 mi13:00:211:41:2110:5233:13
10:41
#25251
20K
12.43 mi13:34:082:15:0810:5233:47
10:52
#25031
Half
13.11 mi13:41:312:22:3110:527:23
10:49
#25010
25K
15.53 mi14:07:502:48:5010:5226:19
10:51
#24807
30K
18.64 mi14:41:053:22:0510:5033:15
10:42
#24429
20M
20.00 mi14:56:073:37:0710:5115:02
11:04
#24293
21M
21.00 mi15:08:073:49:0710:5512:00
12:00
#24207
35K
21.75 mi15:16:173:57:1710:558:10
10:55
#24177
23M
23.00 mi15:29:574:10:5710:5513:40
10:55
#24084
24M
24.00 mi15:40:424:21:4210:5410:45
10:45
#24023
40K
24.85 mi15:49:414:30:4110:538:59
10:30
#23947
25.2M
25.20 mi15:53:364:34:3610:543:55
11:21
#23913
Finish
26.22 mi16:03:534:44:5310:5210:17
10:05
#23870
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 mi25746108841088424789(Top 93%)10342(Top 91%)10342(Top 212%)
10K6.21 mi3.10 mi25536+21010758+12610758+12625322(Top 95%)10620(Top 93%)10620(Top 217%)
15K9.32 mi3.11 mi25251+28510585+17310585+17324789(Top 93%)10342(Top 91%)10342(Top 212%)
20K12.43 mi3.11 mi25031+22010471+11410471+11424433(Top 92%)10166(Top 89%)10166(Top 208%)
Half13.11 mi0.68 mi25010+2110457+1410457+1424703(Top 93%)10318(Top 90%)10318(Top 211%)
25K15.53 mi2.42 mi24807+20310360+9710360+9723753(Top 89%)9822(Top 86%)9822(Top 201%)
30K18.64 mi3.11 mi24429+37810164+19610164+19622619(Top 85%)9255(Top 81%)9255(Top 189%)
20M20.00 mi1.36 mi24293+13610102+6210102+6222818(Top 86%)9420(Top 82%)9420(Top 193%)
21M21.00 mi1.00 mi24207+8610066+3610066+3622766(Top 86%)9424(Top 83%)9424(Top 193%)
35K21.75 mi0.75 mi24177+3010054+1210054+1223135(Top 87%)9669(Top 85%)9669(Top 198%)
23M23.00 mi1.25 mi24084+9310008+4610008+4622199(Top 83%)9168(Top 80%)9168(Top 188%)
24M24.00 mi1.00 mi24023+619978+309978+3022583(Top 85%)9410(Top 82%)9410(Top 193%)
40K24.85 mi0.85 mi23947+769947+319947+3121250(Top 80%)8753(Top 77%)8753(Top 179%)
25.2M25.20 mi0.35 mi23913+349929+189929+1821301(Top 80%)8764(Top 77%)8764(Top 179%)
Finish26.22 mi1.02 mi23870+439905+249905+2422019(Top 83%)9130(Top 80%)9130(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24789

Females

10342

F18-39

10342

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25322

Females

10620

F18-39

10620

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24789

Females

10342

F18-39

10342

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24433

Females

10166

F18-39

10166

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24703

Females

10318

F18-39

10318

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23753

Females

9822

F18-39

9822

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22619

Females

9255

F18-39

9255

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22818

Females

9420

F18-39

9420

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22766

Females

9424

F18-39

9424

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23135

Females

9669

F18-39

9669

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22199

Females

9168

F18-39

9168

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22583

Females

9410

F18-39

9410

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21250

Females

8753

F18-39

8753

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21301

Females

8764

F18-39

8764

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22019

Females

9130

F18-39

9130

Passing Analysis

Category:
Athletes Passed
2015
Passed By
139
Net Change
+1876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25746
5K → 10K26555+210#25746#25536
10K → 15K29712+285#25536#25251
15K → 20K23313+220#25251#25031
20K → Half3110+21#25031#25010
Half → 25K2063+203#25010#24807
25K → 30K3813+378#24807#24429
30K → 20M1415+136#24429#24293
20M → 21M9610+86#24293#24207
21M → 35K344+30#24207#24177
35K → 23M1018+93#24177#24084
23M → 24M621+61#24084#24023
24M → 40K782+76#24023#23947
40K → 25.2M384+34#23947#23913
25.2M → Finish529+43#23913#23870
TOTALS2015139+1876
📊

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