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BOSTON MARATHON 2023

Rexi Parcells

Bib: 9934•F

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0:00
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #9162
Start → 5K
23:07 | 7:26/mi
10K· 6.21 mi
45:40
Rank: #8812 (+350)
5K → 10K
22:33 | 7:15/mi
15K· 9.32 mi
1:08:11
Rank: #8571 (+241)
10K → 15K
22:31 | 7:15/mi
20K· 12.43 mi
1:30:52
Rank: #8334 (+237)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:35:47
Rank: #8308 (+26)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:53:28
Rank: #8104 (+204)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:16:55
Rank: #7983 (+121)
25K → 30K
23:27 | 7:33/mi
20M
2:27:29
Rank: #7970 (+13)
30K → 20M
10:34 | 7:47/mi
21M
2:35:45
Rank: #8007 (-37)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:41:23
Rank: #8019 (-12)
21M → 35K
5:38 | 7:32/mi
23M
2:51:18
Rank: #8070 (-51)
35K → 23M
9:55 | 7:55/mi
24M
2:59:00
Rank: #8071 (-1)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:05:48
Rank: #8130 (-59)
24M → 40K
6:48 | 7:57/mi
25.2M
3:08:56
Rank: #8199 (-69)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:17:53
Rank: #8583 (-384)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:47
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:42:06
Pace7:47 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4923:077:2623:07
7:26
-
10K
6.21 mi11:11:2245:407:2122:33
7:15
-0:11
15K
9.32 mi11:33:531:08:117:1922:31
7:15
0:00
20K
12.43 mi11:56:341:30:527:1922:41
7:18
+0:03
Half
13.11 mi12:01:291:35:477:184:55
7:12
-0:06
25K
15.53 mi12:19:101:53:287:1817:41
7:18
+0:06
30K
18.64 mi12:42:372:16:557:2123:27
7:33
+0:15
20M
20.00 mi12:53:112:27:297:2210:34
7:47
+0:14
21M
21.00 mi13:01:272:35:457:258:16
8:16
+0:29
35K
21.75 mi13:07:052:41:237:255:38
7:32
-0:44
23M
23.00 mi13:17:002:51:187:279:55
7:55
+0:23
24M
24.00 mi13:24:422:59:007:287:42
7:42
-0:13
40K
24.85 mi13:31:303:05:487:296:48
7:57
+0:15
25.2M
25.20 mi13:34:383:08:567:303:08
9:05
+1:08
Finish
26.22 mi13:43:353:17:537:338:57
8:47
-0:18

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

7:12 /mi

Average Pace

7:33 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:59

25% of race

Time at Steady Pace

1:50:50

56% of race

Time at Slower Pace

37:04

19% of race

Average Pace: 7:33 /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 mi10:48:4923:077:2623:07
7:26
#9162
10K
6.21 mi11:11:2245:407:2122:33
7:15
#8812
15K
9.32 mi11:33:531:08:117:1922:31
7:15
#8571
20K
12.43 mi11:56:341:30:527:1922:41
7:18
#8334
Half
13.11 mi12:01:291:35:477:184:55
7:12
#8308
25K
15.53 mi12:19:101:53:287:1817:41
7:18
#8104
30K
18.64 mi12:42:372:16:557:2123:27
7:33
#7983
20M
20.00 mi12:53:112:27:297:2210:34
7:47
#7970
21M
21.00 mi13:01:272:35:457:258:16
8:16
#8007
35K
21.75 mi13:07:052:41:237:255:38
7:32
#8019
23M
23.00 mi13:17:002:51:187:279:55
7:55
#8070
24M
24.00 mi13:24:422:59:007:287:42
7:42
#8071
40K
24.85 mi13:31:303:05:487:296:48
7:57
#8130
25.2M
25.20 mi13:34:383:08:567:303:08
9:05
#8199
Finish
26.22 mi13:43:353:17:537:338:57
8:47
#8583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9162145614568145(Top 31%)1121(Top 10%)1121(Top 23%)
10K6.21 mi3.10 mi8812+3501332+1241332+1248548(Top 32%)1248(Top 11%)1248(Top 26%)
15K9.32 mi3.11 mi8571+2411253+791253+798145(Top 31%)1121(Top 10%)1121(Top 23%)
20K12.43 mi3.11 mi8334+2371170+831170+837811(Top 29%)1042(Top 9%)1042(Top 21%)
Half13.11 mi0.68 mi8308+261162+81162+87994(Top 30%)1103(Top 10%)1103(Top 23%)
25K15.53 mi2.42 mi8104+2041119+431119+437272(Top 27%)935(Top 8%)935(Top 19%)
30K18.64 mi3.11 mi7983+1211109+101109+107578(Top 28%)1137(Top 10%)1137(Top 23%)
20M20.00 mi1.36 mi7970+131121-121121-128702(Top 33%)1667(Top 15%)1667(Top 34%)
21M21.00 mi1.00 mi8007-371151-301151-309037(Top 34%)1934(Top 17%)1934(Top 40%)
35K21.75 mi0.75 mi8019-121171-201171-208764(Top 33%)1797(Top 16%)1797(Top 37%)
23M23.00 mi1.25 mi8070-511212-411212-419225(Top 35%)2128(Top 19%)2128(Top 44%)
24M24.00 mi1.00 mi8071-11233-211233-219105(Top 34%)2149(Top 19%)2149(Top 44%)
40K24.85 mi0.85 mi8130-591275-421275-429741(Top 37%)2517(Top 22%)2517(Top 52%)
25.2M25.20 mi0.35 mi8199-691310-351310-3513013(Top 49%)4211(Top 37%)4211(Top 86%)
Finish26.22 mi1.02 mi8583-3841475-1651475-16516942(Top 64%)6329(Top 55%)6329(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8145

Females

1121

F18-39

1121

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8548

Females

1248

F18-39

1248

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8145

Females

1121

F18-39

1121

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7811

Females

1042

F18-39

1042

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7994

Females

1103

F18-39

1103

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7272

Females

935

F18-39

935

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7578

Females

1137

F18-39

1137

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8702

Females

1667

F18-39

1667

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9037

Females

1934

F18-39

1934

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8764

Females

1797

F18-39

1797

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9225

Females

2128

F18-39

2128

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9105

Females

2149

F18-39

2149

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9741

Females

2517

F18-39

2517

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13013

Females

4211

F18-39

4211

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16942

Females

6329

F18-39

6329

Passing Analysis

Category:
Athletes Passed
1863
Passed By
1284
Net Change
+579
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9162
5K → 10K474124+350#9162#8812
10K → 15K27938+241#8812#8571
15K → 20K26831+237#8571#8334
20K → Half348+26#8334#8308
Half → 25K23228+204#8308#8104
25K → 30K19473+121#8104#7983
30K → 20M8976+13#7983#7970
20M → 21M63100-37#7970#8007
21M → 35K4355-12#8007#8019
35K → 23M65116-51#8019#8070
23M → 24M6263-1#8070#8071
24M → 40K42101-59#8071#8130
40K → 25.2M1281-69#8130#8199
25.2M → Finish6390-384#8199#8583
TOTALS18631284+579
📊

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