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BOSTON MARATHON 2023

Rachel Harrington

Bib: 25946•F

NH

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
34:12
Rank: #25685
Start → 5K
34:12 | 11:00/mi
10K· 6.21 mi
1:08:57
Rank: #25724 (-39)
5K → 10K
34:45 | 11:11/mi
15K· 9.32 mi
1:41:28
Rank: #25274 (+450)
10K → 15K
32:31 | 10:28/mi
20K· 12.43 mi
2:14:09
Rank: #24915 (+359)
15K → 20K
32:41 | 10:31/mi
Half· 13.11 mi
2:21:03
Rank: #24849 (+66)
20K → Half
6:54 | 10:07/mi
25K· 15.53 mi
2:45:44
Rank: #24493 (+356)
Half → 25K
24:41 | 10:11/mi
30K· 18.64 mi
3:18:01
Rank: #24023 (+470)
25K → 30K
32:17 | 10:23/mi
20M
3:32:04
Rank: #23861 (+162)
30K → 20M
14:03 | 10:20/mi
21M
3:42:34
Rank: #23656 (+205)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:49:46
Rank: #23569 (+87)
21M → 35K
7:12 | 9:37/mi
23M
4:02:18
Rank: #23417 (+152)
35K → 23M
12:32 | 10:01/mi
24M
4:12:13
Rank: #23310 (+107)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
4:20:52
Rank: #23199 (+111)
24M → 40K
8:39 | 10:07/mi
25.2M
4:24:25
Rank: #23139 (+60)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
4:33:44
Rank: #23015 (+124)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:21:03
Pace10:46 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:12:41
Pace10:07 /mi
📊Negative Split: 5.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3334:1211:0034:12
11:00
-
10K
6.21 mi12:29:181:08:5711:0634:45
11:11
+0:11
15K
9.32 mi13:01:491:41:2810:5332:31
10:28
-0:43
20K
12.43 mi13:34:302:14:0910:4832:41
10:31
+0:03
Half
13.11 mi13:41:242:21:0310:466:54
10:07
-0:24
25K
15.53 mi14:06:052:45:4410:4024:41
10:11
+0:04
30K
18.64 mi14:38:223:18:0110:3732:17
10:23
+0:12
20M
20.00 mi14:52:253:32:0410:3614:03
10:20
-0:03
21M
21.00 mi15:02:553:42:3410:3610:30
10:30
+0:10
35K
21.75 mi15:10:073:49:4610:347:12
9:37
-0:53
23M
23.00 mi15:22:394:02:1810:3212:32
10:01
+0:24
24M
24.00 mi15:32:344:12:1310:319:55
9:55
-0:06
40K
24.85 mi15:41:134:20:5210:308:39
10:07
+0:12
25.2M
25.20 mi15:44:464:24:2510:303:33
10:18
+0:11
Finish
26.22 mi15:54:054:33:4410:279:19
9:09
-1:09

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

9:09 /mi

Average Pace

10:27 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:58

14% of race

Time at Steady Pace

2:45:49

61% of race

Time at Slower Pace

1:08:57

25% of race

Average Pace: 10:26 /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 mi11:54:3334:1211:0034:12
11:00
#25685
10K
6.21 mi12:29:181:08:5711:0634:45
11:11
#25724
15K
9.32 mi13:01:491:41:2810:5332:31
10:28
#25274
20K
12.43 mi13:34:302:14:0910:4832:41
10:31
#24915
Half
13.11 mi13:41:242:21:0310:466:54
10:07
#24849
25K
15.53 mi14:06:052:45:4410:4024:41
10:11
#24493
30K
18.64 mi14:38:223:18:0110:3732:17
10:23
#24023
20M
20.00 mi14:52:253:32:0410:3614:03
10:20
#23861
21M
21.00 mi15:02:553:42:3410:3610:30
10:30
#23656
35K
21.75 mi15:10:073:49:4610:347:12
9:37
#23569
23M
23.00 mi15:22:394:02:1810:3212:32
10:01
#23417
24M
24.00 mi15:32:344:12:1310:319:55
9:55
#23310
40K
24.85 mi15:41:134:20:5210:308:39
10:07
#23199
25.2M
25.20 mi15:44:464:24:2510:303:33
10:18
#23139
Finish
26.22 mi15:54:054:33:4410:279:19
9:09
#23015
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25685108421084224399(Top 92%)10121(Top 89%)10121(Top 207%)
10K6.21 mi3.10 mi25724-3910875-3310875-3325667(Top 96%)10833(Top 95%)10833(Top 222%)
15K9.32 mi3.11 mi25274+45010599+27610599+27624399(Top 92%)10121(Top 89%)10121(Top 207%)
20K12.43 mi3.11 mi24915+35910410+18910410+18923878(Top 90%)9833(Top 86%)9833(Top 201%)
Half13.11 mi0.68 mi24849+6610370+4010370+4023519(Top 88%)9636(Top 84%)9636(Top 197%)
25K15.53 mi2.42 mi24493+35610179+19110179+19122572(Top 85%)9158(Top 80%)9158(Top 188%)
30K18.64 mi3.11 mi24023+4709932+2479932+24721980(Top 83%)8897(Top 78%)8897(Top 182%)
20M20.00 mi1.36 mi23861+1629850+829850+8221386(Top 80%)8636(Top 76%)8636(Top 177%)
21M21.00 mi1.00 mi23656+2059748+1029748+10219622(Top 74%)7720(Top 68%)7720(Top 158%)
35K21.75 mi0.75 mi23569+879706+429706+4220263(Top 76%)8101(Top 71%)8101(Top 166%)
23M23.00 mi1.25 mi23417+1529638+689638+6820040(Top 75%)7985(Top 70%)7985(Top 163%)
24M24.00 mi1.00 mi23310+1079587+519587+5120578(Top 77%)8318(Top 73%)8318(Top 170%)
40K24.85 mi0.85 mi23199+1119544+439544+4320314(Top 76%)8235(Top 72%)8235(Top 169%)
25.2M25.20 mi0.35 mi23139+609518+269518+2618531(Top 70%)7264(Top 64%)7264(Top 149%)
Finish26.22 mi1.02 mi23015+1249455+639455+6318694(Top 70%)7287(Top 64%)7287(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24399

Females

10121

F18-39

10121

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25667

Females

10833

F18-39

10833

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24399

Females

10121

F18-39

10121

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23878

Females

9833

F18-39

9833

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23519

Females

9636

F18-39

9636

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22572

Females

9158

F18-39

9158

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

21980

Females

8897

F18-39

8897

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21386

Females

8636

F18-39

8636

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19622

Females

7720

F18-39

7720

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20263

Females

8101

F18-39

8101

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20040

Females

7985

F18-39

7985

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20578

Females

8318

F18-39

8318

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20314

Females

8235

F18-39

8235

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18531

Females

7264

F18-39

7264

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18694

Females

7287

F18-39

7287

Passing Analysis

Category:
Athletes Passed
2843
Passed By
173
Net Change
+2670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25685
5K → 10K113152-39#25685#25724
10K → 15K4533+450#25724#25274
15K → 20K3634+359#25274#24915
20K → Half660+66#24915#24849
Half → 25K3560+356#24849#24493
25K → 30K4733+470#24493#24023
30K → 20M1631+162#24023#23861
20M → 21M2050+205#23861#23656
21M → 35K870+87#23656#23569
35K → 23M1531+152#23569#23417
23M → 24M1092+107#23417#23310
24M → 40K1176+111#23310#23199
40K → 25.2M600+60#23199#23139
25.2M → Finish1251+124#23139#23015
TOTALS2843173+2670
📊

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