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BOSTON MARATHON 2023

Sarah Fritz

Bib: 10705•F

MD

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
23:39
Rank: #10668
Start → 5K
23:39 | 7:37/mi
10K· 6.21 mi
47:52
Rank: #11858 (-1190)
5K → 10K
24:13 | 7:48/mi
15K· 9.32 mi
1:12:19
Rank: #12309 (-451)
10K → 15K
24:27 | 7:52/mi
20K· 12.43 mi
1:37:09
Rank: #12560 (-251)
15K → 20K
24:50 | 8:00/mi
Half· 13.11 mi
1:42:33
Rank: #12604 (-44)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:02:27
Rank: #12905 (-301)
Half → 25K
19:54 | 8:12/mi
30K· 18.64 mi
2:29:25
Rank: #13412 (-507)
25K → 30K
26:58 | 8:41/mi
20M
2:41:42
Rank: #13710 (-298)
30K → 20M
12:17 | 9:02/mi
21M
2:51:26
Rank: #13942 (-232)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
2:58:26
Rank: #14208 (-266)
21M → 35K
7:00 | 9:21/mi
23M
3:10:40
Rank: #14594 (-386)
35K → 23M
12:14 | 9:46/mi
24M
3:23:48
Rank: #15826 (-1232)
23M → 24M
13:08 | 13:08/mi
40K· 24.85 mi
3:33:27
Rank: #16305 (-479)
24M → 40K
9:39 | 11:17/mi
25.2M
3:37:01
Rank: #16362 (-57)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:46:47
Rank: #16568 (-206)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:33
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:04:14
Pace9:29 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4923:397:3723:39
7:37
-
10K
6.21 mi11:20:0247:527:4224:13
7:48
+0:11
15K
9.32 mi11:44:291:12:197:4624:27
7:52
+0:04
20K
12.43 mi12:09:191:37:097:4924:50
8:00
+0:08
Half
13.11 mi12:14:431:42:337:495:24
7:55
-0:05
25K
15.53 mi12:34:372:02:277:5319:54
8:12
+0:17
30K
18.64 mi13:01:352:29:258:0126:58
8:41
+0:29
20M
20.00 mi13:13:522:41:428:0512:17
9:02
+0:21
21M
21.00 mi13:23:362:51:268:109:44
9:44
+0:42
35K
21.75 mi13:30:362:58:268:127:00
9:21
-0:23
23M
23.00 mi13:42:503:10:408:1712:14
9:46
+0:25
24M
24.00 mi13:55:583:23:488:3013:08
13:08
+3:22
40K
24.85 mi14:05:373:33:278:359:39
11:17
-1:51
25.2M
25.20 mi14:09:113:37:018:373:34
10:21
-0:56
Finish
26.22 mi14:18:573:46:478:399:46
9:35
-0:46

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

7:37 /mi

Average Pace

8:39 /mi

Slowest Pace

13:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:27

54% of race

Time at Steady Pace

1:17:59

34% of race

Time at Slower Pace

26:21

12% of race

Average Pace: 8:39 /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 mi10:55:4923:397:3723:39
7:37
#10668
10K
6.21 mi11:20:0247:527:4224:13
7:48
#11858
15K
9.32 mi11:44:291:12:197:4624:27
7:52
#12309
20K
12.43 mi12:09:191:37:097:4924:50
8:00
#12560
Half
13.11 mi12:14:431:42:337:495:24
7:55
#12604
25K
15.53 mi12:34:372:02:277:5319:54
8:12
#12905
30K
18.64 mi13:01:352:29:258:0126:58
8:41
#13412
20M
20.00 mi13:13:522:41:428:0512:17
9:02
#13710
21M
21.00 mi13:23:362:51:268:109:44
9:44
#13942
35K
21.75 mi13:30:362:58:268:127:00
9:21
#14208
23M
23.00 mi13:42:503:10:408:1712:14
9:46
#14594
24M
24.00 mi13:55:583:23:488:3013:08
13:08
#15826
40K
24.85 mi14:05:373:33:278:359:39
11:17
#16305
25.2M
25.20 mi14:09:113:37:018:373:34
10:21
#16362
Finish
26.22 mi14:18:573:46:478:399:46
9:35
#16568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106682174217413286(Top 50%)3661(Top 32%)3661(Top 75%)
10K6.21 mi3.10 mi11858-11902798-6242798-62413092(Top 49%)3491(Top 31%)3491(Top 71%)
15K9.32 mi3.11 mi12309-4513071-2733071-27313286(Top 50%)3661(Top 32%)3661(Top 75%)
20K12.43 mi3.11 mi12560-2513237-1663237-16613391(Top 50%)3763(Top 33%)3763(Top 77%)
Half13.11 mi0.68 mi12604-443266-293266-2913792(Top 52%)3979(Top 35%)3979(Top 81%)
25K15.53 mi2.42 mi12905-3013455-1893455-18914310(Top 54%)4402(Top 39%)4402(Top 90%)
30K18.64 mi3.11 mi13412-5073788-3333788-33315413(Top 58%)5179(Top 45%)5179(Top 106%)
20M20.00 mi1.36 mi13710-2983983-1953983-19516754(Top 63%)6005(Top 53%)6005(Top 123%)
21M21.00 mi1.00 mi13942-2324144-1614144-16116991(Top 64%)6184(Top 54%)6184(Top 127%)
35K21.75 mi0.75 mi14208-2664336-1924336-19219374(Top 73%)7582(Top 66%)7582(Top 155%)
23M23.00 mi1.25 mi14594-3864583-2474583-24719339(Top 73%)7600(Top 67%)7600(Top 156%)
24M24.00 mi1.00 mi15826-12325376-7935376-79325577(Top 96%)10963(Top 96%)10963(Top 224%)
40K24.85 mi0.85 mi16305-4795657-2815657-28122881(Top 86%)9597(Top 84%)9597(Top 196%)
25.2M25.20 mi0.35 mi16362-575698-415698-4118619(Top 70%)7281(Top 64%)7281(Top 149%)
Finish26.22 mi1.02 mi16568-2065820-1225820-12220421(Top 77%)8250(Top 72%)8250(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13286

Females

3661

F18-39

3661

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13092

Females

3491

F18-39

3491

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13286

Females

3661

F18-39

3661

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13391

Females

3763

F18-39

3763

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13792

Females

3979

F18-39

3979

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14310

Females

4402

F18-39

4402

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15413

Females

5179

F18-39

5179

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16754

Females

6005

F18-39

6005

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16991

Females

6184

F18-39

6184

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19374

Females

7582

F18-39

7582

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19339

Females

7600

F18-39

7600

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25577

Females

10963

F18-39

10963

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22881

Females

9597

F18-39

9597

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18619

Females

7281

F18-39

7281

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20421

Females

8250

F18-39

8250

Passing Analysis

Category:
Athletes Passed
521
Passed By
6421
Net Change
-5900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10668
5K → 10K471237-1190#10668#11858
10K → 15K69520-451#11858#12309
15K → 20K101352-251#12309#12560
20K → Half1862-44#12560#12604
Half → 25K71372-301#12604#12905
25K → 30K78585-507#12905#13412
30K → 20M25323-298#13412#13710
20M → 21M40272-232#13710#13942
21M → 35K9275-266#13942#14208
35K → 23M20406-386#14208#14594
23M → 24M31235-1232#14594#15826
24M → 40K9488-479#15826#16305
40K → 25.2M1572-57#16305#16362
25.2M → Finish16222-206#16362#16568
TOTALS5216421-5900
📊

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