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BOSTON MARATHON 2023

Sarah Middleton

Bib: 20847•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:00
Rank: #16640
Start → 5K
26:00 | 8:22/mi
10K· 6.21 mi
51:02
Rank: #15907 (+733)
5K → 10K
25:02 | 8:03/mi
15K· 9.32 mi
1:16:05
Rank: #15569 (+338)
10K → 15K
25:03 | 8:04/mi
20K· 12.43 mi
1:41:01
Rank: #15085 (+484)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:46:27
Rank: #15013 (+72)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:06:04
Rank: #14755 (+258)
Half → 25K
19:37 | 8:05/mi
30K· 18.64 mi
2:31:41
Rank: #14379 (+376)
25K → 30K
25:37 | 8:15/mi
20M
2:42:51
Rank: #14178 (+201)
30K → 20M
11:10 | 8:13/mi
21M
2:51:31
Rank: #13973 (+205)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:57:36
Rank: #13921 (+52)
21M → 35K
6:05 | 8:08/mi
23M
3:08:04
Rank: #13785 (+136)
35K → 23M
10:28 | 8:22/mi
24M
3:16:09
Rank: #13683 (+102)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:23:18
Rank: #13609 (+74)
24M → 40K
7:09 | 8:22/mi
25.2M
3:26:43
Rank: #13674 (-65)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:34:53
Rank: #13600 (+74)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:27
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:48:26
Pace8:16 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5626:008:2226:00
8:22
-
10K
6.21 mi11:42:5851:028:1325:02
8:03
-0:19
15K
9.32 mi12:08:011:16:058:1025:03
8:04
+0:01
20K
12.43 mi12:32:571:41:018:0824:56
8:02
-0:02
Half
13.11 mi12:38:231:46:278:075:26
7:58
-0:04
25K
15.53 mi12:58:002:06:048:0719:37
8:05
+0:07
30K
18.64 mi13:23:372:31:418:0825:37
8:15
+0:10
20M
20.00 mi13:34:472:42:518:0911:10
8:13
-0:02
21M
21.00 mi13:43:272:51:318:108:40
8:40
+0:27
35K
21.75 mi13:49:322:57:368:106:05
8:08
-0:32
23M
23.00 mi14:00:003:08:048:1110:28
8:22
+0:14
24M
24.00 mi14:08:053:16:098:108:05
8:05
-0:17
40K
24.85 mi14:15:143:23:188:117:09
8:22
+0:17
25.2M
25.20 mi14:18:393:26:438:123:25
9:54
+1:32
Finish
26.22 mi14:26:493:34:538:128:10
8:01
-1:53

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

7:58 /mi

Average Pace

8:12 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:39:11

74% of race

Time at Slower Pace

55:42

26% of race

Average Pace: 8:12 /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 mi11:17:5626:008:2226:00
8:22
#16640
10K
6.21 mi11:42:5851:028:1325:02
8:03
#15907
15K
9.32 mi12:08:011:16:058:1025:03
8:04
#15569
20K
12.43 mi12:32:571:41:018:0824:56
8:02
#15085
Half
13.11 mi12:38:231:46:278:075:26
7:58
#15013
25K
15.53 mi12:58:002:06:048:0719:37
8:05
#14755
30K
18.64 mi13:23:372:31:418:0825:37
8:15
#14379
20M
20.00 mi13:34:472:42:518:0911:10
8:13
#14178
21M
21.00 mi13:43:272:51:318:108:40
8:40
#13973
35K
21.75 mi13:49:322:57:368:106:05
8:08
#13921
23M
23.00 mi14:00:003:08:048:1110:28
8:22
#13785
24M
24.00 mi14:08:053:16:098:108:05
8:05
#13683
40K
24.85 mi14:15:143:23:188:117:09
8:22
#13609
25.2M
25.20 mi14:18:393:26:438:123:25
9:54
#13674
Finish
26.22 mi14:26:493:34:538:128:10
8:01
#13600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi166405688568814913(Top 56%)4626(Top 40%)4626(Top 246%)
10K6.21 mi3.10 mi15907+7335229+4595229+45915220(Top 57%)4807(Top 42%)4807(Top 256%)
15K9.32 mi3.11 mi15569+3385019+2105019+21014913(Top 56%)4626(Top 40%)4626(Top 246%)
20K12.43 mi3.11 mi15085+4844737+2824737+28213665(Top 51%)3915(Top 34%)3915(Top 208%)
Half13.11 mi0.68 mi15013+724691+464691+4614118(Top 53%)4149(Top 36%)4149(Top 221%)
25K15.53 mi2.42 mi14755+2584557+1344557+13413464(Top 51%)3903(Top 34%)3903(Top 208%)
30K18.64 mi3.11 mi14379+3764387+1704387+17012665(Top 48%)3569(Top 31%)3569(Top 190%)
20M20.00 mi1.36 mi14178+2014278+1094278+10911842(Top 44%)3188(Top 28%)3188(Top 170%)
21M21.00 mi1.00 mi13973+2054168+1104168+11011500(Top 43%)3151(Top 28%)3151(Top 168%)
35K21.75 mi0.75 mi13921+524150+184150+1813039(Top 49%)4025(Top 35%)4025(Top 214%)
23M23.00 mi1.25 mi13785+1364089+614089+6112335(Top 46%)3713(Top 33%)3713(Top 198%)
24M24.00 mi1.00 mi13683+1024054+354054+3511868(Top 45%)3530(Top 31%)3530(Top 188%)
40K24.85 mi0.85 mi13609+744027+274027+2712500(Top 47%)3941(Top 35%)3941(Top 210%)
25.2M25.20 mi0.35 mi13674-654071-444071-4417020(Top 64%)6412(Top 56%)6412(Top 341%)
Finish26.22 mi1.02 mi13600+744047+244047+2412260(Top 46%)3844(Top 34%)3844(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14913

Females

4626

F40-44

4626

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15220

Females

4807

F40-44

4807

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14913

Females

4626

F40-44

4626

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13665

Females

3915

F40-44

3915

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14118

Females

4149

F40-44

4149

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13464

Females

3903

F40-44

3903

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12665

Females

3569

F40-44

3569

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11842

Females

3188

F40-44

3188

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11500

Females

3151

F40-44

3151

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13039

Females

4025

F40-44

4025

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12335

Females

3713

F40-44

3713

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11868

Females

3530

F40-44

3530

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12500

Females

3941

F40-44

3941

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17020

Females

6412

F40-44

6412

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12260

Females

3844

F40-44

3844

Passing Analysis

Category:
Athletes Passed
3498
Passed By
458
Net Change
+3040
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16640
5K → 10K82895+733#16640#15907
10K → 15K39961+338#15907#15569
15K → 20K50723+484#15569#15085
20K → Half786+72#15085#15013
Half → 25K28224+258#15013#14755
25K → 30K40226+376#14755#14379
30K → 20M21110+201#14379#14178
20M → 21M21611+205#14178#13973
21M → 35K7220+52#13973#13921
35K → 23M15418+136#13921#13785
23M → 24M12321+102#13785#13683
24M → 40K10935+74#13683#13609
40K → 25.2M1580-65#13609#13674
25.2M → Finish10228+74#13674#13600
TOTALS3498458+3040
📊

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