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BOSTON MARATHON 2023

Rachel Frech

Bib: 27208•F

NJ

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
28:19
Rank: #20920
Start → 5K
28:19 | 9:07/mi
10K· 6.21 mi
57:12
Rank: #21415 (-495)
5K → 10K
28:53 | 9:18/mi
15K· 9.32 mi
1:26:04
Rank: #21477 (-62)
10K → 15K
28:52 | 9:17/mi
20K· 12.43 mi
1:55:05
Rank: #21390 (+87)
15K → 20K
29:01 | 9:20/mi
Half· 13.11 mi
2:01:23
Rank: #21378 (+12)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:24:05
Rank: #21199 (+179)
Half → 25K
22:42 | 9:22/mi
30K· 18.64 mi
2:53:56
Rank: #20936 (+263)
25K → 30K
29:51 | 9:36/mi
20M
3:07:00
Rank: #20789 (+147)
30K → 20M
13:04 | 9:37/mi
21M
3:16:51
Rank: #20588 (+201)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:23:57
Rank: #20554 (+34)
21M → 35K
7:06 | 9:29/mi
23M
3:36:09
Rank: #20459 (+95)
35K → 23M
12:12 | 9:45/mi
24M
3:45:45
Rank: #20413 (+46)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:54:10
Rank: #20367 (+46)
24M → 40K
8:25 | 9:51/mi
25.2M
3:57:42
Rank: #20333 (+34)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
4:07:21
Rank: #20315 (+18)
25.2M → Finish
9:39 | 9:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:23
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:05:58
Pace9:37 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2828:199:0728:19
9:07
-
10K
6.21 mi12:14:2157:129:1228:53
9:18
+0:11
15K
9.32 mi12:43:131:26:049:1428:52
9:17
-0:01
20K
12.43 mi13:12:141:55:059:1629:01
9:20
+0:03
Half
13.11 mi13:18:322:01:239:166:18
9:14
-0:06
25K
15.53 mi13:41:142:24:059:1722:42
9:22
+0:08
30K
18.64 mi14:11:052:53:569:2029:51
9:36
+0:14
20M
20.00 mi14:24:093:07:009:2113:04
9:37
+0:01
21M
21.00 mi14:34:003:16:519:229:51
9:51
+0:14
35K
21.75 mi14:41:063:23:579:237:06
9:29
-0:22
23M
23.00 mi14:53:183:36:099:2412:12
9:45
+0:16
24M
24.00 mi15:02:543:45:459:249:36
9:36
-0:09
40K
24.85 mi15:11:193:54:109:258:25
9:51
+0:15
25.2M
25.20 mi15:14:513:57:429:263:32
10:15
+0:24
Finish
26.22 mi15:24:304:07:219:269:39
9:28
-0:47

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

9:07 /mi

Average Pace

9:26 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:03:49

99% of race

Time at Steady Pace

3:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:26 /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 mi11:45:2828:199:0728:19
9:07
#20920
10K
6.21 mi12:14:2157:129:1228:53
9:18
#21415
15K
9.32 mi12:43:131:26:049:1428:52
9:17
#21477
20K
12.43 mi13:12:141:55:059:1629:01
9:20
#21390
Half
13.11 mi13:18:322:01:239:166:18
9:14
#21378
25K
15.53 mi13:41:142:24:059:1722:42
9:22
#21199
30K
18.64 mi14:11:052:53:569:2029:51
9:36
#20936
20M
20.00 mi14:24:093:07:009:2113:04
9:37
#20789
21M
21.00 mi14:34:003:16:519:229:51
9:51
#20588
35K
21.75 mi14:41:063:23:579:237:06
9:29
#20554
23M
23.00 mi14:53:183:36:099:2412:12
9:45
#20459
24M
24.00 mi15:02:543:45:459:249:36
9:36
#20413
40K
24.85 mi15:11:193:54:109:258:25
9:51
#20367
25.2M
25.20 mi15:14:513:57:429:263:32
10:15
#20333
Finish
26.22 mi15:24:304:07:219:269:39
9:28
#20315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi209208329832921606(Top 81%)8559(Top 75%)8559(Top 175%)
10K6.21 mi3.10 mi21415-4958540-2118540-21121925(Top 82%)8781(Top 77%)8781(Top 180%)
15K9.32 mi3.11 mi21477-628542-28542-221606(Top 81%)8559(Top 75%)8559(Top 175%)
20K12.43 mi3.11 mi21390+878490+528490+5221075(Top 79%)8279(Top 72%)8279(Top 170%)
Half13.11 mi0.68 mi21378+128477+138477+1321282(Top 80%)8393(Top 73%)8393(Top 172%)
25K15.53 mi2.42 mi21199+1798376+1018376+10120394(Top 77%)7922(Top 69%)7922(Top 162%)
30K18.64 mi3.11 mi20936+2638242+1348242+13419825(Top 74%)7670(Top 67%)7670(Top 157%)
20M20.00 mi1.36 mi20789+1478169+738169+7319296(Top 72%)7457(Top 65%)7457(Top 153%)
21M21.00 mi1.00 mi20588+2018079+908079+9017476(Top 66%)6478(Top 57%)6478(Top 133%)
35K21.75 mi0.75 mi20554+348064+158064+1519841(Top 75%)7835(Top 69%)7835(Top 160%)
23M23.00 mi1.25 mi20459+958031+338031+3319246(Top 72%)7554(Top 66%)7554(Top 155%)
24M24.00 mi1.00 mi20413+468016+158016+1519587(Top 74%)7757(Top 68%)7757(Top 159%)
40K24.85 mi0.85 mi20367+467995+217995+2119541(Top 73%)7800(Top 68%)7800(Top 160%)
25.2M25.20 mi0.35 mi20333+347984+117984+1118353(Top 69%)7162(Top 63%)7162(Top 147%)
Finish26.22 mi1.02 mi20315+187978+67978+620031(Top 75%)8016(Top 70%)8016(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21606

Females

8559

F18-39

8559

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21925

Females

8781

F18-39

8781

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21606

Females

8559

F18-39

8559

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21075

Females

8279

F18-39

8279

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21282

Females

8393

F18-39

8393

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20394

Females

7922

F18-39

7922

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19825

Females

7670

F18-39

7670

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19296

Females

7457

F18-39

7457

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17476

Females

6478

F18-39

6478

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19841

Females

7835

F18-39

7835

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19246

Females

7554

F18-39

7554

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19587

Females

7757

F18-39

7757

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19541

Females

7800

F18-39

7800

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18353

Females

7162

F18-39

7162

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20031

Females

8016

F18-39

8016

Passing Analysis

Category:
Athletes Passed
1716
Passed By
1111
Net Change
+605
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20920
5K → 10K108603-495#20920#21415
10K → 15K134196-62#21415#21477
15K → 20K17790+87#21477#21390
20K → Half3422+12#21390#21378
Half → 25K20425+179#21378#21199
25K → 30K29532+263#21199#20936
30K → 20M16518+147#20936#20789
20M → 21M2043+201#20789#20588
21M → 35K5521+34#20588#20554
35K → 23M11924+95#20554#20459
23M → 24M6721+46#20459#20413
24M → 40K6620+46#20413#20367
40K → 25.2M395+34#20367#20333
25.2M → Finish4931+18#20333#20315
TOTALS17161111+605
📊

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