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BOSTON MARATHON 2023

Rachel Clennell

Bib: 13568•F

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
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
25:03
Rank: #14456
Start → 5K
25:03 | 8:04/mi
10K· 6.21 mi
50:23
Rank: #15180 (-724)
5K → 10K
25:20 | 8:09/mi
15K· 9.32 mi
1:16:20
Rank: #15751 (-571)
10K → 15K
25:57 | 8:21/mi
20K· 12.43 mi
1:42:44
Rank: #16033 (-282)
15K → 20K
26:24 | 8:30/mi
Half· 13.11 mi
1:48:27
Rank: #16079 (-46)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:09:15
Rank: #16179 (-100)
Half → 25K
20:48 | 8:35/mi
30K· 18.64 mi
2:36:23
Rank: #16077 (+102)
25K → 30K
27:08 | 8:44/mi
20M
2:48:20
Rank: #16013 (+64)
30K → 20M
11:57 | 8:48/mi
21M
2:57:27
Rank: #15867 (+146)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
3:03:55
Rank: #15835 (+32)
21M → 35K
6:28 | 8:39/mi
23M
3:15:02
Rank: #15800 (+35)
35K → 23M
11:07 | 8:53/mi
24M
3:23:41
Rank: #15793 (+7)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:31:17
Rank: #15783 (+10)
24M → 40K
7:36 | 8:53/mi
25.2M
3:34:28
Rank: #15747 (+36)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:43:08
Rank: #15710 (+37)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:27
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:54:41
Pace8:45 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4125:038:0425:03
8:04
-
10K
6.21 mi11:19:0150:238:0725:20
8:09
+0:05
15K
9.32 mi11:44:581:16:208:1125:57
8:21
+0:12
20K
12.43 mi12:11:221:42:448:1626:24
8:30
+0:09
Half
13.11 mi12:17:051:48:278:165:43
8:23
-0:07
25K
15.53 mi12:37:532:09:158:1920:48
8:35
+0:12
30K
18.64 mi13:05:012:36:238:2327:08
8:44
+0:09
20M
20.00 mi13:16:582:48:208:2511:57
8:48
+0:04
21M
21.00 mi13:26:052:57:278:279:07
9:07
+0:19
35K
21.75 mi13:32:333:03:558:276:28
8:39
-0:28
23M
23.00 mi13:43:403:15:028:2911:07
8:53
+0:14
24M
24.00 mi13:52:193:23:418:298:39
8:39
-0:14
40K
24.85 mi13:59:553:31:178:307:36
8:53
+0:14
25.2M
25.20 mi14:03:063:34:288:313:11
9:14
+0:21
Finish
26.22 mi14:11:463:43:088:318:40
8:30
-0:44

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

8:04 /mi

Average Pace

8:31 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:07

86% of race

Time at Steady Pace

31:01

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:31 /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 mi10:53:4125:038:0425:03
8:04
#14456
10K
6.21 mi11:19:0150:238:0725:20
8:09
#15180
15K
9.32 mi11:44:581:16:208:1125:57
8:21
#15751
20K
12.43 mi12:11:221:42:448:1626:24
8:30
#16033
Half
13.11 mi12:17:051:48:278:165:43
8:23
#16079
25K
15.53 mi12:37:532:09:158:1920:48
8:35
#16179
30K
18.64 mi13:05:012:36:238:2327:08
8:44
#16077
20M
20.00 mi13:16:582:48:208:2511:57
8:48
#16013
21M
21.00 mi13:26:052:57:278:279:07
9:07
#15867
35K
21.75 mi13:32:333:03:558:276:28
8:39
#15835
23M
23.00 mi13:43:403:15:028:2911:07
8:53
#15800
24M
24.00 mi13:52:193:23:418:298:39
8:39
#15793
40K
24.85 mi13:59:553:31:178:307:36
8:53
#15783
25.2M
25.20 mi14:03:063:34:288:313:11
9:14
#15747
Finish
26.22 mi14:11:463:43:088:318:40
8:30
#15710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144564302430216878(Top 63%)5838(Top 51%)5838(Top 120%)
10K6.21 mi3.10 mi15180-7244762-4604762-46015951(Top 60%)5248(Top 46%)5248(Top 107%)
15K9.32 mi3.11 mi15751-5715122-3605122-36016878(Top 63%)5838(Top 51%)5838(Top 120%)
20K12.43 mi3.11 mi16033-2825324-2025324-20216836(Top 63%)5840(Top 51%)5840(Top 120%)
Half13.11 mi0.68 mi16079-465360-365360-3617024(Top 64%)5903(Top 52%)5903(Top 121%)
25K15.53 mi2.42 mi16179-1005443-835443-8316688(Top 63%)5822(Top 51%)5822(Top 119%)
30K18.64 mi3.11 mi16077+1025421+225421+2215701(Top 59%)5327(Top 47%)5327(Top 109%)
20M20.00 mi1.36 mi16013+645399+225399+2215412(Top 58%)5222(Top 46%)5222(Top 107%)
21M21.00 mi1.00 mi15867+1465334+655334+6514080(Top 53%)4527(Top 40%)4527(Top 93%)
35K21.75 mi0.75 mi15835+325333+15333+116119(Top 61%)5758(Top 50%)5758(Top 118%)
23M23.00 mi1.25 mi15800+355339-65339-615440(Top 58%)5416(Top 47%)5416(Top 111%)
24M24.00 mi1.00 mi15793+75355-165355-1615380(Top 58%)5461(Top 48%)5461(Top 112%)
40K24.85 mi0.85 mi15783+105354+15354+115577(Top 59%)5622(Top 49%)5622(Top 115%)
25.2M25.20 mi0.35 mi15747+365334+205334+2013893(Top 52%)4704(Top 41%)4704(Top 96%)
Finish26.22 mi1.02 mi15710+375318+165318+1615475(Top 58%)5522(Top 48%)5522(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16878

Females

5838

F18-39

5838

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15951

Females

5248

F18-39

5248

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16878

Females

5838

F18-39

5838

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16836

Females

5840

F18-39

5840

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17024

Females

5903

F18-39

5903

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16688

Females

5822

F18-39

5822

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15701

Females

5327

F18-39

5327

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15412

Females

5222

F18-39

5222

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14080

Females

4527

F18-39

4527

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16119

Females

5758

F18-39

5758

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15440

Females

5416

F18-39

5416

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15380

Females

5461

F18-39

5461

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15577

Females

5622

F18-39

5622

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13893

Females

4704

F18-39

4704

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15475

Females

5522

F18-39

5522

Passing Analysis

Category:
Athletes Passed
1293
Passed By
2547
Net Change
-1254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14456
5K → 10K84808-724#14456#15180
10K → 15K44615-571#15180#15751
15K → 20K93375-282#15751#16033
20K → Half1662-46#16033#16079
Half → 25K115215-100#16079#16179
25K → 30K228126+102#16179#16077
30K → 20M10844+64#16077#16013
20M → 21M16822+146#16013#15867
21M → 35K6735+32#15867#15835
35K → 23M9560+35#15835#15800
23M → 24M8174+7#15800#15793
24M → 40K6858+10#15793#15783
40K → 25.2M4610+36#15783#15747
25.2M → Finish8043+37#15747#15710
TOTALS12932547-1254
📊

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