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BOSTON MARATHON 2023

Rebecca Keddy

Bib: 27095•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
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
27:31
Rank: #19781
Start → 5K
27:31 | 8:51/mi
10K· 6.21 mi
52:12
Rank: #17220 (+2561)
5K → 10K
24:41 | 7:57/mi
15K· 9.32 mi
1:16:47
Rank: #16107 (+1113)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:41:37
Rank: #15424 (+683)
15K → 20K
24:50 | 8:00/mi
Half· 13.11 mi
1:47:02
Rank: #15333 (+91)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:07:02
Rank: #15199 (+134)
Half → 25K
20:00 | 8:15/mi
30K· 18.64 mi
2:33:59
Rank: #15197 (+2)
25K → 30K
26:57 | 8:40/mi
20M
2:46:31
Rank: #15421 (-224)
30K → 20M
12:32 | 9:13/mi
21M
2:57:09
Rank: #15767 (-346)
20M → 21M
10:38 | 10:38/mi
35K· 21.75 mi
3:03:56
Rank: #15843 (-76)
21M → 35K
6:47 | 9:04/mi
23M
3:15:32
Rank: #15964 (-121)
35K → 23M
11:36 | 9:16/mi
24M
3:23:59
Rank: #15881 (+83)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:32:23
Rank: #16053 (-172)
24M → 40K
8:24 | 9:49/mi
25.2M
3:35:35
Rank: #16018 (+35)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:44:19
Rank: #16002 (+16)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5727:318:5127:31
8:51
-
10K
6.21 mi12:09:3852:128:2424:41
7:57
-0:54
15K
9.32 mi12:34:131:16:478:1424:35
7:55
-0:02
20K
12.43 mi12:59:031:41:378:1124:50
8:00
+0:05
Half
13.11 mi13:04:281:47:028:105:25
7:56
-0:04
25K
15.53 mi13:24:282:07:028:1120:00
8:15
+0:19
30K
18.64 mi13:51:252:33:598:1626:57
8:40
+0:25
20M
20.00 mi14:03:572:46:318:2012:32
9:13
+0:33
21M
21.00 mi14:14:352:57:098:2610:38
10:38
+1:25
35K
21.75 mi14:21:223:03:568:276:47
9:04
-1:34
23M
23.00 mi14:32:583:15:328:3011:36
9:16
+0:12
24M
24.00 mi14:41:253:23:598:308:27
8:27
-0:49
40K
24.85 mi14:49:493:32:238:338:24
9:49
+1:22
25.2M
25.20 mi14:53:013:35:358:333:12
9:17
-0:32
Finish
26.22 mi15:01:453:44:198:348:44
8:34
-0:43

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

7:55 /mi

Average Pace

8:34 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:31

44% of race

Time at Steady Pace

1:11:39

32% of race

Time at Slower Pace

53:09

24% of race

Average Pace: 8:33 /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 mi11:44:5727:318:5127:31
8:51
#19781
10K
6.21 mi12:09:3852:128:2424:41
7:57
#17220
15K
9.32 mi12:34:131:16:478:1424:35
7:55
#16107
20K
12.43 mi12:59:031:41:378:1124:50
8:00
#15424
Half
13.11 mi13:04:281:47:028:105:25
7:56
#15333
25K
15.53 mi13:24:282:07:028:1120:00
8:15
#15199
30K
18.64 mi13:51:252:33:598:1626:57
8:40
#15197
20M
20.00 mi14:03:572:46:318:2012:32
9:13
#15421
21M
21.00 mi14:14:352:57:098:2610:38
10:38
#15767
35K
21.75 mi14:21:223:03:568:276:47
9:04
#15843
23M
23.00 mi14:32:583:15:328:3011:36
9:16
#15964
24M
24.00 mi14:41:253:23:598:308:27
8:27
#15881
40K
24.85 mi14:49:493:32:238:338:24
9:49
#16053
25.2M
25.20 mi14:53:013:35:358:333:12
9:17
#16018
Finish
26.22 mi15:01:453:44:198:348:44
8:34
#16002
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197817678767813695(Top 51%)3901(Top 34%)3901(Top 80%)
10K6.21 mi3.10 mi17220+25616069+16096069+160914386(Top 54%)4296(Top 38%)4296(Top 88%)
15K9.32 mi3.11 mi16107+11135353+7165353+71613695(Top 51%)3901(Top 34%)3901(Top 80%)
20K12.43 mi3.11 mi15424+6834945+4084945+40813389(Top 50%)3761(Top 33%)3761(Top 77%)
Half13.11 mi0.68 mi15333+914897+484897+4813983(Top 53%)4092(Top 36%)4092(Top 84%)
25K15.53 mi2.42 mi15199+1344841+564841+5614611(Top 55%)4599(Top 40%)4599(Top 94%)
30K18.64 mi3.11 mi15197+24885-444885-4415368(Top 58%)5154(Top 45%)5154(Top 106%)
20M20.00 mi1.36 mi15421-2245045-1605045-16017668(Top 66%)6557(Top 57%)6557(Top 134%)
21M21.00 mi1.00 mi15767-3465280-2355280-23519972(Top 75%)7911(Top 69%)7911(Top 162%)
35K21.75 mi0.75 mi15843-765339-595339-5918172(Top 68%)6924(Top 61%)6924(Top 142%)
23M23.00 mi1.25 mi15964-1215440-1015440-10117366(Top 65%)6482(Top 57%)6482(Top 133%)
24M24.00 mi1.00 mi15881+835408+325408+3214217(Top 53%)4803(Top 42%)4803(Top 98%)
40K24.85 mi0.85 mi16053-1725507-995507-9919466(Top 73%)7747(Top 68%)7747(Top 159%)
25.2M25.20 mi0.35 mi16018+355489+185489+1814165(Top 53%)4849(Top 42%)4849(Top 99%)
Finish26.22 mi1.02 mi16002+165490-15490-115845(Top 60%)5724(Top 50%)5724(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13695

Females

3901

F18-39

3901

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14386

Females

4296

F18-39

4296

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13695

Females

3901

F18-39

3901

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13389

Females

3761

F18-39

3761

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13983

Females

4092

F18-39

4092

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14611

Females

4599

F18-39

4599

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15368

Females

5154

F18-39

5154

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17668

Females

6557

F18-39

6557

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19972

Females

7911

F18-39

7911

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18172

Females

6924

F18-39

6924

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17366

Females

6482

F18-39

6482

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14217

Females

4803

F18-39

4803

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19466

Females

7747

F18-39

7747

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14165

Females

4849

F18-39

4849

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15845

Females

5724

F18-39

5724

Passing Analysis

Category:
Athletes Passed
5255
Passed By
1476
Net Change
+3779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19781
5K → 10K25676+2561#19781#17220
10K → 15K112613+1113#17220#16107
15K → 20K6885+683#16107#15424
20K → Half965+91#15424#15333
Half → 25K20268+134#15333#15199
25K → 30K186184+2#15199#15197
30K → 20M29253-224#15197#15421
20M → 21M27373-346#15421#15767
21M → 35K26102-76#15767#15843
35K → 23M53174-121#15843#15964
23M → 24M11431+83#15964#15881
24M → 40K26198-172#15881#16053
40K → 25.2M449+35#16053#16018
25.2M → Finish7155+16#16018#16002
TOTALS52551476+3779
📊

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