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BOSTON MARATHON 2023

Rachel Harris

Bib: 14155•F

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:34
Rank: #15660
Start → 5K
25:34 | 8:14/mi
10K· 6.21 mi
50:50
Rank: #15686 (-26)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:16:11
Rank: #15623 (+63)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:41:21
Rank: #15286 (+337)
15K → 20K
25:10 | 8:06/mi
Half· 13.11 mi
1:46:48
Rank: #15226 (+60)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:06:11
Rank: #14801 (+425)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:31:10
Rank: #14173 (+628)
25K → 30K
24:59 | 8:02/mi
20M
2:42:04
Rank: #13853 (+320)
30K → 20M
10:54 | 8:01/mi
21M
2:50:17
Rank: #13517 (+336)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:56:04
Rank: #13372 (+145)
21M → 35K
5:47 | 7:44/mi
23M
3:05:53
Rank: #13060 (+312)
35K → 23M
9:49 | 7:50/mi
24M
3:13:33
Rank: #12871 (+189)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:19:57
Rank: #12629 (+242)
24M → 40K
6:24 | 7:29/mi
25.2M
3:22:30
Rank: #12460 (+169)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:29:04
Rank: #11975 (+485)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:16
Pace7:48 /mi
📊Negative Split: 4.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1925:348:1425:34
8:14
-
10K
6.21 mi11:19:3550:508:1125:16
8:08
-0:06
15K
9.32 mi11:44:561:16:118:1025:21
8:10
+0:02
20K
12.43 mi12:10:061:41:218:0925:10
8:06
-0:04
Half
13.11 mi12:15:331:46:488:095:27
7:59
-0:07
25K
15.53 mi12:34:562:06:118:0719:23
8:00
+0:01
30K
18.64 mi12:59:552:31:108:0724:59
8:02
+0:02
20M
20.00 mi13:10:492:42:048:0610:54
8:01
-0:01
21M
21.00 mi13:19:022:50:178:078:13
8:13
+0:12
35K
21.75 mi13:24:492:56:048:065:47
7:44
-0:29
23M
23.00 mi13:34:383:05:538:059:49
7:50
+0:06
24M
24.00 mi13:42:183:13:338:047:40
7:40
-0:10
40K
24.85 mi13:48:423:19:578:036:24
7:29
-0:11
25.2M
25.20 mi13:51:153:22:308:022:33
7:24
-0:05
Finish
26.22 mi13:57:493:29:047:596:34
6:27
-0:57

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

6:27 /mi

Average Pace

7:59 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:58

14% of race

Time at Steady Pace

2:34:32

74% of race

Time at Slower Pace

25:34

12% of race

Average Pace: 7:58 /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 mi10:54:1925:348:1425:34
8:14
#15660
10K
6.21 mi11:19:3550:508:1125:16
8:08
#15686
15K
9.32 mi11:44:561:16:118:1025:21
8:10
#15623
20K
12.43 mi12:10:061:41:218:0925:10
8:06
#15286
Half
13.11 mi12:15:331:46:488:095:27
7:59
#15226
25K
15.53 mi12:34:562:06:118:0719:23
8:00
#14801
30K
18.64 mi12:59:552:31:108:0724:59
8:02
#14173
20M
20.00 mi13:10:492:42:048:0610:54
8:01
#13853
21M
21.00 mi13:19:022:50:178:078:13
8:13
#13517
35K
21.75 mi13:24:492:56:048:065:47
7:44
#13372
23M
23.00 mi13:34:383:05:538:059:49
7:50
#13060
24M
24.00 mi13:42:183:13:338:047:40
7:40
#12871
40K
24.85 mi13:48:423:19:578:036:24
7:29
#12629
25.2M
25.20 mi13:51:153:22:308:022:33
7:24
#12460
Finish
26.22 mi13:57:493:29:047:596:34
6:27
#11975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi156605070507015571(Top 58%)5020(Top 44%)5020(Top 103%)
10K6.21 mi3.10 mi15686-265083-135083-1315758(Top 59%)5113(Top 45%)5113(Top 105%)
15K9.32 mi3.11 mi15623+635048+355048+3515571(Top 58%)5020(Top 44%)5020(Top 103%)
20K12.43 mi3.11 mi15286+3374860+1884860+18814229(Top 53%)4241(Top 37%)4241(Top 87%)
Half13.11 mi0.68 mi15226+604826+344826+3414274(Top 54%)4218(Top 37%)4218(Top 86%)
25K15.53 mi2.42 mi14801+4254585+2414585+24112703(Top 48%)3468(Top 30%)3468(Top 71%)
30K18.64 mi3.11 mi14173+6284245+3404245+34011244(Top 42%)2762(Top 24%)2762(Top 57%)
20M20.00 mi1.36 mi13853+3204071+1744071+17410472(Top 39%)2480(Top 22%)2480(Top 51%)
21M21.00 mi1.00 mi13517+3363887+1843887+1848748(Top 33%)1833(Top 16%)1833(Top 38%)
35K21.75 mi0.75 mi13372+1453813+743813+7410205(Top 38%)2474(Top 22%)2474(Top 51%)
23M23.00 mi1.25 mi13060+3123658+1553658+1558723(Top 33%)1906(Top 17%)1906(Top 39%)
24M24.00 mi1.00 mi12871+1893574+843574+848903(Top 33%)2065(Top 18%)2065(Top 42%)
40K24.85 mi0.85 mi12629+2423447+1273447+1276691(Top 25%)1257(Top 11%)1257(Top 26%)
25.2M25.20 mi0.35 mi12460+1693362+853362+853502(Top 13%)365(Top 3%)365(Top 7%)
Finish26.22 mi1.02 mi11975+4853112+2503112+2502259(Top 8%)170(Top 1%)170(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15571

Females

5020

F18-39

5020

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15758

Females

5113

F18-39

5113

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15571

Females

5020

F18-39

5020

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14229

Females

4241

F18-39

4241

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14274

Females

4218

F18-39

4218

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12703

Females

3468

F18-39

3468

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11244

Females

2762

F18-39

2762

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10472

Females

2480

F18-39

2480

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8748

Females

1833

F18-39

1833

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10205

Females

2474

F18-39

2474

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8723

Females

1906

F18-39

1906

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8903

Females

2065

F18-39

2065

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6691

Females

1257

F18-39

1257

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3502

Females

365

F18-39

365

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2259

Females

170

F18-39

170

Passing Analysis

Category:
Athletes Passed
4217
Passed By
532
Net Change
+3685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15660
5K → 10K277303-26#15660#15686
10K → 15K216153+63#15686#15623
15K → 20K37740+337#15623#15286
20K → Half7111+60#15286#15226
Half → 25K4305+425#15226#14801
25K → 30K6324+628#14801#14173
30K → 20M3200+320#14173#13853
20M → 21M3360+336#13853#13517
21M → 35K1527+145#13517#13372
35K → 23M3186+312#13372#13060
23M → 24M1923+189#13060#12871
24M → 40K2420+242#12871#12629
40K → 25.2M1690+169#12629#12460
25.2M → Finish4850+485#12460#11975
TOTALS4217532+3685
📊

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