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BOSTON MARATHON 2023

Isabella Riehl

Bib: 25438•F

MA

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
27:22
Rank: #19513
Start → 5K
27:22 | 8:49/mi
10K· 6.21 mi
53:24
Rank: #18505 (+1008)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:21:11
Rank: #19098 (-593)
10K → 15K
27:47 | 8:57/mi
20K· 12.43 mi
1:47:38
Rank: #18591 (+507)
15K → 20K
26:27 | 8:31/mi
Half· 13.11 mi
1:53:24
Rank: #18517 (+74)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:15:19
Rank: #18635 (-118)
Half → 25K
21:55 | 9:02/mi
30K· 18.64 mi
2:43:25
Rank: #18375 (+260)
25K → 30K
28:06 | 9:03/mi
20M
2:55:48
Rank: #18284 (+91)
30K → 20M
12:23 | 9:07/mi
21M
3:05:30
Rank: #18181 (+103)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:12:08
Rank: #18131 (+50)
21M → 35K
6:38 | 8:52/mi
23M
3:23:35
Rank: #18058 (+73)
35K → 23M
11:27 | 9:09/mi
24M
3:32:34
Rank: #18013 (+45)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:40:21
Rank: #17979 (+34)
24M → 40K
7:47 | 9:06/mi
25.2M
3:43:40
Rank: #17939 (+40)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:52:16
Rank: #17821 (+118)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:24
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:58:52
Pace9:04 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0727:228:4927:22
8:49
-
10K
6.21 mi12:16:0953:248:3626:02
8:23
-0:26
15K
9.32 mi12:43:561:21:118:4327:47
8:57
+0:34
20K
12.43 mi13:10:231:47:388:4026:27
8:31
-0:26
Half
13.11 mi13:16:091:53:248:395:46
8:27
-0:04
25K
15.53 mi13:38:042:15:198:4321:55
9:02
+0:35
30K
18.64 mi14:06:102:43:258:4628:06
9:03
+0:01
20M
20.00 mi14:18:332:55:488:4712:23
9:07
+0:04
21M
21.00 mi14:28:153:05:308:509:42
9:42
+0:35
35K
21.75 mi14:34:533:12:088:506:38
8:52
-0:50
23M
23.00 mi14:46:203:23:358:5111:27
9:09
+0:17
24M
24.00 mi14:55:193:32:348:518:59
8:59
-0:10
40K
24.85 mi15:03:063:40:218:527:47
9:06
+0:07
25.2M
25.20 mi15:06:253:43:408:533:19
9:37
+0:31
Finish
26.22 mi15:15:013:52:168:528:36
8:26
-1:11

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

8:23 /mi

Average Pace

8:52 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:15

94% of race

Time at Steady Pace

13:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:50:0727:228:4927:22
8:49
#19513
10K
6.21 mi12:16:0953:248:3626:02
8:23
#18505
15K
9.32 mi12:43:561:21:118:4327:47
8:57
#19098
20K
12.43 mi13:10:231:47:388:4026:27
8:31
#18591
Half
13.11 mi13:16:091:53:248:395:46
8:27
#18517
25K
15.53 mi13:38:042:15:198:4321:55
9:02
#18635
30K
18.64 mi14:06:102:43:258:4628:06
9:03
#18375
20M
20.00 mi14:18:332:55:488:4712:23
9:07
#18284
21M
21.00 mi14:28:153:05:308:509:42
9:42
#18181
35K
21.75 mi14:34:533:12:088:506:38
8:52
#18131
23M
23.00 mi14:46:203:23:358:5111:27
9:09
#18058
24M
24.00 mi14:55:193:32:348:518:59
8:59
#18013
40K
24.85 mi15:03:063:40:218:527:47
9:06
#17979
25.2M
25.20 mi15:06:253:43:408:533:19
9:37
#17939
Finish
26.22 mi15:15:013:52:168:528:36
8:26
#17821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi195137521752120226(Top 76%)7795(Top 68%)7795(Top 160%)
10K6.21 mi3.10 mi18505+10086830+6916830+69117467(Top 66%)6165(Top 54%)6165(Top 126%)
15K9.32 mi3.11 mi19098-5937190-3607190-36020226(Top 76%)7795(Top 68%)7795(Top 160%)
20K12.43 mi3.11 mi18591+5076862+3286862+32816961(Top 64%)5908(Top 52%)5908(Top 121%)
Half13.11 mi0.68 mi18517+746810+526810+5217512(Top 66%)6195(Top 54%)6195(Top 127%)
25K15.53 mi2.42 mi18635-1186914-1046914-10419160(Top 72%)7218(Top 63%)7218(Top 148%)
30K18.64 mi3.11 mi18375+2606787+1276787+12717417(Top 65%)6311(Top 55%)6311(Top 129%)
20M20.00 mi1.36 mi18284+916754+336754+3317150(Top 64%)6259(Top 55%)6259(Top 128%)
21M21.00 mi1.00 mi18181+1036709+456709+4516871(Top 63%)6118(Top 54%)6118(Top 125%)
35K21.75 mi0.75 mi18131+506683+266683+2617308(Top 65%)6448(Top 56%)6448(Top 132%)
23M23.00 mi1.25 mi18058+736643+406643+4016791(Top 63%)6183(Top 54%)6183(Top 127%)
24M24.00 mi1.00 mi18013+456638+56638+517173(Top 65%)6452(Top 56%)6452(Top 132%)
40K24.85 mi0.85 mi17979+346625+136625+1316667(Top 63%)6220(Top 54%)6220(Top 127%)
25.2M25.20 mi0.35 mi17939+406602+236602+2315815(Top 59%)5771(Top 51%)5771(Top 118%)
Finish26.22 mi1.02 mi17821+1186543+596543+5915060(Top 57%)5295(Top 46%)5295(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20226

Females

7795

F18-39

7795

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17467

Females

6165

F18-39

6165

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20226

Females

7795

F18-39

7795

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16961

Females

5908

F18-39

5908

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17512

Females

6195

F18-39

6195

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19160

Females

7218

F18-39

7218

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17417

Females

6311

F18-39

6311

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

17150

Females

6259

F18-39

6259

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16871

Females

6118

F18-39

6118

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17308

Females

6448

F18-39

6448

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16791

Females

6183

F18-39

6183

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17173

Females

6452

F18-39

6452

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16667

Females

6220

F18-39

6220

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15815

Females

5771

F18-39

5771

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15060

Females

5295

F18-39

5295

Passing Analysis

Category:
Athletes Passed
2926
Passed By
1234
Net Change
+1692
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19513
5K → 10K108678+1008#19513#18505
10K → 15K46639-593#18505#19098
15K → 20K52013+507#19098#18591
20K → Half762+74#18591#18517
Half → 25K101219-118#18517#18635
25K → 30K31050+260#18635#18375
30K → 20M13645+91#18375#18284
20M → 21M15047+103#18284#18181
21M → 35K7626+50#18181#18131
35K → 23M10431+73#18131#18058
23M → 24M8035+45#18058#18013
24M → 40K6430+34#18013#17979
40K → 25.2M466+40#17979#17939
25.2M → Finish13113+118#17939#17821
TOTALS29261234+1692
📊

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