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BOSTON MARATHON 2023

Sarah Saft

Bib: 19219•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17893
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
52:10
Rank: #17190 (+703)
5K → 10K
25:37 | 8:15/mi
15K· 9.32 mi
1:17:32
Rank: #16656 (+534)
10K → 15K
25:22 | 8:10/mi
20K· 12.43 mi
1:43:10
Rank: #16300 (+356)
15K → 20K
25:38 | 8:15/mi
Half· 13.11 mi
1:48:55
Rank: #16359 (-59)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:09:55
Rank: #16500 (-141)
Half → 25K
21:00 | 8:40/mi
30K· 18.64 mi
2:37:54
Rank: #16600 (-100)
25K → 30K
27:59 | 9:00/mi
20M
2:51:42
Rank: #17041 (-441)
30K → 20M
13:48 | 10:09/mi
21M
3:01:23
Rank: #17010 (+31)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:08:10
Rank: #17074 (-64)
21M → 35K
6:47 | 9:04/mi
23M
3:25:23
Rank: #18464 (-1390)
35K → 23M
17:13 | 13:45/mi
24M
3:34:49
Rank: #18498 (-34)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:43:05
Rank: #18525 (-27)
24M → 40K
8:16 | 9:40/mi
25.2M
3:46:34
Rank: #18507 (+18)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:55:39
Rank: #18492 (+15)
25.2M → Finish
9:05 | 8:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:55
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:06:44
Pace9:40 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4026:338:3326:33
8:33
-
10K
6.21 mi11:48:1752:108:2425:37
8:15
-0:18
15K
9.32 mi12:13:391:17:328:1925:22
8:10
-0:05
20K
12.43 mi12:39:171:43:108:1825:38
8:15
+0:05
Half
13.11 mi12:45:021:48:558:185:45
8:26
+0:11
25K
15.53 mi13:06:022:09:558:2221:00
8:40
+0:14
30K
18.64 mi13:34:012:37:548:2827:59
9:00
+0:20
20M
20.00 mi13:47:492:51:428:3513:48
10:09
+1:09
21M
21.00 mi13:57:303:01:238:389:41
9:41
-0:28
35K
21.75 mi14:04:173:08:108:396:47
9:04
-0:37
23M
23.00 mi14:21:303:25:238:5617:13
13:45
+4:41
24M
24.00 mi14:30:563:34:498:579:26
9:26
-4:19
40K
24.85 mi14:39:123:43:058:598:16
9:40
+0:14
25.2M
25.20 mi14:42:413:46:348:593:29
10:06
+0:26
Finish
26.22 mi14:51:463:55:399:009:05
8:55
-1:11

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

8:10 /mi

Average Pace

9:00 /mi

Slowest Pace

13:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:37

33% of race

Time at Steady Pace

1:54:51

49% of race

Time at Slower Pace

44:11

19% of race

Average Pace: 8:59 /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 mi11:22:4026:338:3326:33
8:33
#17893
10K
6.21 mi11:48:1752:108:2425:37
8:15
#17190
15K
9.32 mi12:13:391:17:328:1925:22
8:10
#16656
20K
12.43 mi12:39:171:43:108:1825:38
8:15
#16300
Half
13.11 mi12:45:021:48:558:185:45
8:26
#16359
25K
15.53 mi13:06:022:09:558:2221:00
8:40
#16500
30K
18.64 mi13:34:012:37:548:2827:59
9:00
#16600
20M
20.00 mi13:47:492:51:428:3513:48
10:09
#17041
21M
21.00 mi13:57:303:01:238:389:41
9:41
#17010
35K
21.75 mi14:04:173:08:108:396:47
9:04
#17074
23M
23.00 mi14:21:303:25:238:5617:13
13:45
#18464
24M
24.00 mi14:30:563:34:498:579:26
9:26
#18498
40K
24.85 mi14:39:123:43:058:598:16
9:40
#18525
25.2M
25.20 mi14:42:413:46:348:593:29
10:06
#18507
Finish
26.22 mi14:51:463:55:399:009:05
8:55
#18492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi178936484648415633(Top 59%)5075(Top 44%)5075(Top 270%)
10K6.21 mi3.10 mi17190+7036048+4366048+43616568(Top 62%)5621(Top 49%)5621(Top 299%)
15K9.32 mi3.11 mi16656+5345702+3465702+34615633(Top 59%)5075(Top 44%)5075(Top 270%)
20K12.43 mi3.11 mi16300+3565488+2145488+21415297(Top 57%)4901(Top 43%)4901(Top 261%)
Half13.11 mi0.68 mi16359-595530-425530-4217390(Top 65%)6136(Top 54%)6136(Top 327%)
25K15.53 mi2.42 mi16500-1415639-1095639-10917185(Top 65%)6113(Top 54%)6113(Top 326%)
30K18.64 mi3.11 mi16600-1005747-1085747-10817217(Top 65%)6200(Top 54%)6200(Top 330%)
20M20.00 mi1.36 mi17041-4415993-2465993-24620892(Top 78%)8346(Top 73%)8346(Top 444%)
21M21.00 mi1.00 mi17010+315996-35996-316806(Top 63%)6082(Top 53%)6082(Top 324%)
35K21.75 mi0.75 mi17074-646047-516047-5118199(Top 68%)6951(Top 61%)6951(Top 370%)
23M23.00 mi1.25 mi18464-13906879-8326879-83225660(Top 96%)10983(Top 96%)10983(Top 585%)
24M24.00 mi1.00 mi18498-346906-276906-2718984(Top 71%)7436(Top 65%)7436(Top 396%)
40K24.85 mi0.85 mi18525-276931-256931-2518932(Top 71%)7455(Top 65%)7455(Top 397%)
25.2M25.20 mi0.35 mi18507+186929+26929+217818(Top 67%)6868(Top 60%)6868(Top 366%)
Finish26.22 mi1.02 mi18492+156929692917567(Top 66%)6697(Top 59%)6697(Top 357%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15633

Females

5075

F40-44

5075

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16568

Females

5621

F40-44

5621

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15633

Females

5075

F40-44

5075

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15297

Females

4901

F40-44

4901

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17390

Females

6136

F40-44

6136

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17185

Females

6113

F40-44

6113

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17217

Females

6200

F40-44

6200

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20892

Females

8346

F40-44

8346

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16806

Females

6082

F40-44

6082

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18199

Females

6951

F40-44

6951

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25660

Females

10983

F40-44

10983

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18984

Females

7436

F40-44

7436

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18932

Females

7455

F40-44

7455

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17818

Females

6868

F40-44

6868

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17567

Females

6697

F40-44

6697

Passing Analysis

Category:
Athletes Passed
2368
Passed By
2967
Net Change
-599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17893
5K → 10K810107+703#17893#17190
10K → 15K58349+534#17190#16656
15K → 20K38832+356#16656#16300
20K → Half2382-59#16300#16359
Half → 25K90231-141#16359#16500
25K → 30K150250-100#16500#16600
30K → 20M15456-441#16600#17041
20M → 21M9968+31#17041#17010
21M → 35K2993-64#17010#17074
35K → 23M11391-1390#17074#18464
23M → 24M4276-34#18464#18498
24M → 40K4370-27#18498#18525
40K → 25.2M3618+18#18525#18507
25.2M → Finish5944+15#18507#18492
TOTALS23682967-599
📊

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