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BOSTON MARATHON 2023

Joanna Reihner

Bib: 5574•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #3189
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
41:34
Rank: #3879 (-690)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:40
Rank: #4258 (-379)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:04
Rank: #4505 (-247)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:28:44
Rank: #4555 (-50)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:45:31
Rank: #4629 (-74)
Half → 25K
16:47 | 6:55/mi
30K· 18.64 mi
2:07:19
Rank: #4577 (+52)
25K → 30K
21:48 | 7:01/mi
20M
2:16:47
Rank: #4501 (+76)
30K → 20M
9:28 | 6:58/mi
21M
2:24:08
Rank: #4440 (+61)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:29:13
Rank: #4413 (+27)
21M → 35K
5:05 | 6:48/mi
23M
2:37:57
Rank: #4336 (+77)
35K → 23M
8:44 | 6:59/mi
24M
2:44:42
Rank: #4291 (+45)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:50:39
Rank: #4241 (+50)
24M → 40K
5:57 | 6:58/mi
25.2M
2:53:11
Rank: #4215 (+26)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:59:31
Rank: #4048 (+167)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:44
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:30:47
Pace6:56 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3020:386:3820:38
6:38
-
10K
6.21 mi10:44:2641:346:4120:56
6:44
+0:06
15K
9.32 mi11:05:321:02:406:4321:06
6:47
+0:03
20K
12.43 mi11:26:561:24:046:4621:24
6:53
+0:06
Half
13.11 mi11:31:361:28:446:464:40
6:50
-0:03
25K
15.53 mi11:48:231:45:316:4816:47
6:55
+0:05
30K
18.64 mi12:10:112:07:196:5021:48
7:01
+0:06
20M
20.00 mi12:19:392:16:476:509:28
6:58
-0:03
21M
21.00 mi12:27:002:24:086:527:21
7:21
+0:23
35K
21.75 mi12:32:052:29:136:525:05
6:48
-0:33
23M
23.00 mi12:40:492:37:576:528:44
6:59
+0:11
24M
24.00 mi12:47:342:44:426:526:45
6:45
-0:14
40K
24.85 mi12:53:312:50:396:525:57
6:58
+0:13
25.2M
25.20 mi12:56:032:53:116:522:32
7:21
+0:23
Finish
26.22 mi13:02:232:59:316:516:20
6:13
-1:08

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

6:13 /mi

Average Pace

6:51 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:30

48% of race

Time at Steady Pace

1:24:08

47% of race

Time at Slower Pace

9:53

6% of race

Average Pace: 6:51 /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 mi10:23:3020:386:3820:38
6:38
#3189
10K
6.21 mi10:44:2641:346:4120:56
6:44
#3879
15K
9.32 mi11:05:321:02:406:4321:06
6:47
#4258
20K
12.43 mi11:26:561:24:046:4621:24
6:53
#4505
Half
13.11 mi11:31:361:28:446:464:40
6:50
#4555
25K
15.53 mi11:48:231:45:316:4816:47
6:55
#4629
30K
18.64 mi12:10:112:07:196:5021:48
7:01
#4577
20M
20.00 mi12:19:392:16:476:509:28
6:58
#4501
21M
21.00 mi12:27:002:24:086:527:21
7:21
#4440
35K
21.75 mi12:32:052:29:136:525:05
6:48
#4413
23M
23.00 mi12:40:492:37:576:528:44
6:59
#4336
24M
24.00 mi12:47:342:44:426:526:45
6:45
#4291
40K
24.85 mi12:53:312:50:396:525:57
6:58
#4241
25.2M
25.20 mi12:56:032:53:116:522:32
7:21
#4215
Finish
26.22 mi13:02:232:59:316:516:20
6:13
#4048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi31891711715050(Top 19%)359(Top 3%)359(Top 7%)
10K6.21 mi3.10 mi3879-690223-52223-524729(Top 18%)326(Top 3%)326(Top 7%)
15K9.32 mi3.11 mi4258-379265-42265-425050(Top 19%)359(Top 3%)359(Top 7%)
20K12.43 mi3.11 mi4505-247293-28293-285271(Top 20%)395(Top 3%)395(Top 8%)
Half13.11 mi0.68 mi4555-50300-7300-75661(Top 21%)436(Top 4%)436(Top 9%)
25K15.53 mi2.42 mi4629-74307-7307-75119(Top 19%)387(Top 3%)387(Top 8%)
30K18.64 mi3.11 mi4577+52304+3304+34476(Top 17%)322(Top 3%)322(Top 7%)
20M20.00 mi1.36 mi4501+76300+4300+43850(Top 14%)263(Top 2%)263(Top 5%)
21M21.00 mi1.00 mi4440+61291+9291+93910(Top 15%)295(Top 3%)295(Top 6%)
35K21.75 mi0.75 mi4413+27293-2293-24211(Top 16%)350(Top 3%)350(Top 7%)
23M23.00 mi1.25 mi4336+77277+16277+163681(Top 14%)278(Top 2%)278(Top 6%)
24M24.00 mi1.00 mi4291+45274+3274+33413(Top 13%)263(Top 2%)263(Top 5%)
40K24.85 mi0.85 mi4241+50272+2272+23657(Top 14%)340(Top 3%)340(Top 7%)
25.2M25.20 mi0.35 mi4215+26269+3269+33258(Top 12%)288(Top 3%)288(Top 6%)
Finish26.22 mi1.02 mi4048+167258+11258+111353(Top 5%)73(Top 0.6%)73(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5050

Females

359

F18-39

359

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4729

Females

326

F18-39

326

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5050

Females

359

F18-39

359

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5271

Females

395

F18-39

395

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5661

Females

436

F18-39

436

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5119

Females

387

F18-39

387

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4476

Females

322

F18-39

322

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3850

Females

263

F18-39

263

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3910

Females

295

F18-39

295

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4211

Females

350

F18-39

350

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3681

Females

278

F18-39

278

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3413

Females

263

F18-39

263

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3657

Females

340

F18-39

340

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3258

Females

288

F18-39

288

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1353

Females

73

F18-39

73

Passing Analysis

Category:
Athletes Passed
1046
Passed By
1905
Net Change
-859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3189
5K → 10K34724-690#3189#3879
10K → 15K32411-379#3879#4258
15K → 20K42289-247#4258#4505
20K → Half1161-50#4505#4555
Half → 25K75149-74#4555#4629
25K → 30K14896+52#4629#4577
30K → 20M9822+76#4577#4501
20M → 21M9332+61#4501#4440
21M → 35K5427+27#4440#4413
35K → 23M11437+77#4413#4336
23M → 24M7227+45#4336#4291
24M → 40K7020+50#4291#4241
40K → 25.2M337+26#4241#4215
25.2M → Finish1703+167#4215#4048
TOTALS10461905-859
📊

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