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BOSTON MARATHON 2023

Rachel Stadelmann

Bib: 27888•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:44/mi
27:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
51:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:17:09
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:42:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:48:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:09:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:42/mi
2:36:11
↑ 181↓ 1480.2%
20M
8:45/mi
2:48:04
↑ 64↓ 500.2%
21M
9:22/mi
2:57:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:04:00
↑ 17↓ 861.7%
23M
9:03/mi
3:15:20
↑ 23↓ 630.6%
24M
8:55/mi
3:24:15
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:31:53
↓ 200.3%
25.2M
9:49/mi
3:35:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:44:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:40
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:55:35
Pace8:49 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3227:088:4427:08
8:44
-
10K
6.21 mi12:13:0051:368:1824:28
7:53
-0:51
15K
9.32 mi12:38:331:17:098:1725:33
8:13
+0:20
20K
12.43 mi13:04:221:42:588:1725:49
8:19
+0:06
Half
13.11 mi13:10:041:48:408:175:42
8:21
+0:02
25K
15.53 mi13:30:322:09:088:1920:28
8:26
+0:05
30K
18.64 mi13:57:352:36:118:2327:03
8:42
+0:16
20M
20.00 mi14:09:282:48:048:2411:53
8:45
+0:03
21M
21.00 mi14:18:502:57:268:279:22
9:22
+0:37
35K
21.75 mi14:25:243:04:008:286:34
8:47
-0:35
23M
23.00 mi14:36:443:15:208:3011:20
9:03
+0:16
24M
24.00 mi14:45:393:24:158:318:55
8:55
-0:08
40K
24.85 mi14:53:173:31:538:317:38
8:56
+0:01
25.2M
25.20 mi14:56:403:35:168:333:23
9:49
+0:53
Finish
26.22 mi15:05:393:44:158:348:59
8:49
-1:00

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

7:53 /mi

Average Pace

8:34 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:00

45% of race

Time at Steady Pace

1:38:10

44% of race

Time at Slower Pace

24:05

11% of race

Average Pace: 8:33 /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 mi11:48:3227:088:4427:08
8:44
#19094
10K
6.21 mi12:13:0051:368:1824:28
7:53
#16536
15K
9.32 mi12:38:331:17:098:1725:33
8:13
#16352
20K
12.43 mi13:04:221:42:588:1725:49
8:19
#16156
Half
13.11 mi13:10:041:48:408:175:42
8:21
#16205
25K
15.53 mi13:30:322:09:088:1920:28
8:26
#16124
30K
18.64 mi13:57:352:36:118:2327:03
8:42
#16011
20M
20.00 mi14:09:282:48:048:2411:53
8:45
#15927
21M
21.00 mi14:18:502:57:268:279:22
9:22
#15860
35K
21.75 mi14:25:243:04:008:286:34
8:47
#15866
23M
23.00 mi14:36:443:15:208:3011:20
9:03
#15910
24M
24.00 mi14:45:393:24:158:318:55
8:55
#15952
40K
24.85 mi14:53:173:31:538:317:38
8:56
#15925
25.2M
25.20 mi14:56:403:35:168:333:23
9:49
#15934
Finish
26.22 mi15:05:393:44:158:348:59
8:49
#15989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi190947255725516037(Top 60%)5318(Top 47%)5318(Top 109%)
10K6.21 mi3.10 mi16536+25585601+16545601+165413794(Top 52%)3924(Top 34%)3924(Top 80%)
15K9.32 mi3.11 mi16352+1845501+1005501+10016037(Top 60%)5318(Top 47%)5318(Top 109%)
20K12.43 mi3.11 mi16156+1965398+1035398+10315672(Top 59%)5144(Top 45%)5144(Top 105%)
Half13.11 mi0.68 mi16205-495432-345432-3416868(Top 63%)5814(Top 51%)5814(Top 119%)
25K15.53 mi2.42 mi16124+815411+215411+2115863(Top 60%)5359(Top 47%)5359(Top 110%)
30K18.64 mi3.11 mi16011+1135383+285383+2815551(Top 58%)5243(Top 46%)5243(Top 107%)
20M20.00 mi1.36 mi15927+845355+285355+2815148(Top 57%)5087(Top 45%)5087(Top 104%)
21M21.00 mi1.00 mi15860+675331+245331+2415351(Top 58%)5259(Top 46%)5259(Top 108%)
35K21.75 mi0.75 mi15866-65351-205351-2016847(Top 63%)6191(Top 54%)6191(Top 127%)
23M23.00 mi1.25 mi15910-445407-565407-5616327(Top 61%)5927(Top 52%)5927(Top 121%)
24M24.00 mi1.00 mi15952-425445-385445-3816860(Top 63%)6275(Top 55%)6275(Top 128%)
40K24.85 mi0.85 mi15925+275438+75438+715784(Top 59%)5728(Top 50%)5728(Top 117%)
25.2M25.20 mi0.35 mi15934-95447-95447-916619(Top 62%)6208(Top 54%)6208(Top 127%)
Finish26.22 mi1.02 mi15989-555480-335480-3317123(Top 64%)6438(Top 56%)6438(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16037

Females

5318

F18-39

5318

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13794

Females

3924

F18-39

3924

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16037

Females

5318

F18-39

5318

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15672

Females

5144

F18-39

5144

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16868

Females

5814

F18-39

5814

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15863

Females

5359

F18-39

5359

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15551

Females

5243

F18-39

5243

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15148

Females

5087

F18-39

5087

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15351

Females

5259

F18-39

5259

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16847

Females

6191

F18-39

6191

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16327

Females

5927

F18-39

5927

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16860

Females

6275

F18-39

6275

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15784

Females

5728

F18-39

5728

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16619

Females

6208

F18-39

6208

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17123

Females

6438

F18-39

6438

Passing Analysis

Category:
Athletes Passed
4140
Passed By
1035
Net Change
+3105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19094
5K → 10K257012+2558#19094#16536
10K → 15K293109+184#16536#16352
15K → 20K27377+196#16352#16156
20K → Half2776-49#16156#16205
Half → 25K184103+81#16205#16124
25K → 30K222109+113#16124#16011
30K → 20M13248+84#16011#15927
20M → 21M11952+67#15927#15860
21M → 35K5157-6#15860#15866
35K → 23M71115-44#15866#15910
23M → 24M64106-42#15910#15952
24M → 40K7144+27#15952#15925
40K → 25.2M2635-9#15925#15934
25.2M → Finish3792-55#15934#15989
TOTALS41401035+3105
📊

Passing Visuals

Category:
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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