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BOSTON MARATHON 2023

Sarah Reis

Bib: 29095•F

MA

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
30:55
Rank: #23333
Start → 5K
30:55 | 9:57/mi
10K· 6.21 mi
1:01:07
Rank: #23243 (+90)
5K → 10K
30:12 | 9:43/mi
15K· 9.32 mi
1:30:49
Rank: #22999 (+244)
10K → 15K
29:42 | 9:34/mi
20K· 12.43 mi
2:00:45
Rank: #22715 (+284)
15K → 20K
29:56 | 9:38/mi
Half· 13.11 mi
2:07:04
Rank: #22661 (+54)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:32:15
Rank: #22722 (-61)
Half → 25K
25:11 | 10:23/mi
30K· 18.64 mi
3:03:59
Rank: #22492 (+230)
25K → 30K
31:44 | 10:13/mi
20M
3:17:34
Rank: #22353 (+139)
30K → 20M
13:35 | 10:00/mi
21M
3:27:56
Rank: #22180 (+173)
20M → 21M
10:22 | 10:22/mi
35K· 21.75 mi
3:35:06
Rank: #22107 (+73)
21M → 35K
7:10 | 9:35/mi
23M
3:48:50
Rank: #22116 (-9)
35K → 23M
13:44 | 10:58/mi
24M
3:58:32
Rank: #22032 (+84)
23M → 24M
9:42 | 9:42/mi
40K· 24.85 mi
4:07:03
Rank: #21967 (+65)
24M → 40K
8:31 | 9:58/mi
25.2M
4:10:41
Rank: #21928 (+39)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:20:11
Rank: #21856 (+72)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:04
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:13:07
Pace10:09 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5530:559:5730:55
9:57
-
10K
6.21 mi12:19:071:01:079:5030:12
9:43
-0:14
15K
9.32 mi12:48:491:30:499:4529:42
9:34
-0:09
20K
12.43 mi13:18:452:00:459:4329:56
9:38
+0:04
Half
13.11 mi13:25:042:07:049:426:19
9:16
-0:22
25K
15.53 mi13:50:152:32:159:4825:11
10:23
+1:07
30K
18.64 mi14:21:593:03:599:5231:44
10:13
-0:10
20M
20.00 mi14:35:343:17:349:5313:35
10:00
-0:13
21M
21.00 mi14:45:563:27:569:5410:22
10:22
+0:22
35K
21.75 mi14:53:063:35:069:537:10
9:35
-0:47
23M
23.00 mi15:06:503:48:509:5713:44
10:58
+1:23
24M
24.00 mi15:16:323:58:329:569:42
9:42
-1:16
40K
24.85 mi15:25:034:07:039:568:31
9:58
+0:16
25.2M
25.20 mi15:28:414:10:419:573:38
10:32
+0:34
Finish
26.22 mi15:38:114:20:119:569:30
9:19
-1:13

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

9:16 /mi

Average Pace

9:56 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:32

67% of race

Time at Steady Pace

1:10:55

27% of race

Time at Slower Pace

13:44

5% of race

Average Pace: 9:55 /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 mi11:48:5530:559:5730:55
9:57
#23333
10K
6.21 mi12:19:071:01:079:5030:12
9:43
#23243
15K
9.32 mi12:48:491:30:499:4529:42
9:34
#22999
20K
12.43 mi13:18:452:00:459:4329:56
9:38
#22715
Half
13.11 mi13:25:042:07:049:426:19
9:16
#22661
25K
15.53 mi13:50:152:32:159:4825:11
10:23
#22722
30K
18.64 mi14:21:593:03:599:5231:44
10:13
#22492
20M
20.00 mi14:35:343:17:349:5313:35
10:00
#22353
21M
21.00 mi14:45:563:27:569:5410:22
10:22
#22180
35K
21.75 mi14:53:063:35:069:537:10
9:35
#22107
23M
23.00 mi15:06:503:48:509:5713:44
10:58
#22116
24M
24.00 mi15:16:323:58:329:569:42
9:42
#22032
40K
24.85 mi15:25:034:07:039:568:31
9:58
#21967
25.2M
25.20 mi15:28:414:10:419:573:38
10:32
#21928
Finish
26.22 mi15:38:114:20:119:569:30
9:19
#21856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi233339565956522419(Top 84%)9023(Top 79%)9023(Top 185%)
10K6.21 mi3.10 mi23243+909501+649501+6423094(Top 87%)9381(Top 82%)9381(Top 192%)
15K9.32 mi3.11 mi22999+2449357+1449357+14422419(Top 84%)9023(Top 79%)9023(Top 185%)
20K12.43 mi3.11 mi22715+2849196+1619196+16121960(Top 82%)8778(Top 77%)8778(Top 180%)
Half13.11 mi0.68 mi22661+549172+249172+2421398(Top 80%)8470(Top 74%)8470(Top 173%)
25K15.53 mi2.42 mi22722-619218-469218-4622992(Top 86%)9385(Top 82%)9385(Top 192%)
30K18.64 mi3.11 mi22492+2309121+979121+9721554(Top 81%)8656(Top 76%)8656(Top 177%)
20M20.00 mi1.36 mi22353+1399042+799042+7920487(Top 77%)8129(Top 71%)8129(Top 166%)
21M21.00 mi1.00 mi22180+1738953+898953+8919214(Top 72%)7471(Top 65%)7471(Top 153%)
35K21.75 mi0.75 mi22107+738925+288925+2820132(Top 76%)8015(Top 70%)8015(Top 164%)
23M23.00 mi1.25 mi22116-98936-118936-1122288(Top 84%)9209(Top 81%)9209(Top 189%)
24M24.00 mi1.00 mi22032+848896+408896+4019923(Top 75%)7935(Top 69%)7935(Top 162%)
40K24.85 mi0.85 mi21967+658873+238873+2319884(Top 75%)8001(Top 70%)8001(Top 164%)
25.2M25.20 mi0.35 mi21928+398858+158858+1519278(Top 72%)7673(Top 67%)7673(Top 157%)
Finish26.22 mi1.02 mi21856+728832+268832+2619483(Top 73%)7726(Top 68%)7726(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22419

Females

9023

F18-39

9023

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23094

Females

9381

F18-39

9381

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22419

Females

9023

F18-39

9023

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21960

Females

8778

F18-39

8778

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21398

Females

8470

F18-39

8470

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22992

Females

9385

F18-39

9385

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21554

Females

8656

F18-39

8656

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20487

Females

8129

F18-39

8129

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19214

Females

7471

F18-39

7471

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20132

Females

8015

F18-39

8015

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22288

Females

9209

F18-39

9209

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19923

Females

7935

F18-39

7935

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19884

Females

8001

F18-39

8001

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19278

Females

7673

F18-39

7673

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19483

Females

7726

F18-39

7726

Passing Analysis

Category:
Athletes Passed
1980
Passed By
503
Net Change
+1477
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23333
5K → 10K263173+90#23333#23243
10K → 15K29955+244#23243#22999
15K → 20K30420+284#22999#22715
20K → Half562+54#22715#22661
Half → 25K77138-61#22661#22722
25K → 30K25323+230#22722#22492
30K → 20M1467+139#22492#22353
20M → 21M1752+173#22353#22180
21M → 35K785+73#22180#22107
35K → 23M4453-9#22107#22116
23M → 24M917+84#22116#22032
24M → 40K749+65#22032#21967
40K → 25.2M390+39#21967#21928
25.2M → Finish819+72#21928#21856
TOTALS1980503+1477
📊

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