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BOSTON MARATHON 2023

Rachel Shubella

Bib: 13394•F

OR

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0:00
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #11250
Start → 5K
23:51 | 7:41/mi
10K· 6.21 mi
47:55
Rank: #11925 (-675)
5K → 10K
24:04 | 7:45/mi
15K· 9.32 mi
1:11:55
Rank: #11926 (-1)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:35:54
Rank: #11664 (+262)
15K → 20K
23:59 | 7:43/mi
Half· 13.11 mi
1:41:08
Rank: #11660 (+4)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:59:47
Rank: #11399 (+261)
Half → 25K
18:39 | 7:42/mi
30K· 18.64 mi
2:23:58
Rank: #10944 (+455)
25K → 30K
24:11 | 7:47/mi
20M
2:34:25
Rank: #10720 (+224)
30K → 20M
10:27 | 7:41/mi
21M
2:42:36
Rank: #10562 (+158)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:48:19
Rank: #10501 (+61)
21M → 35K
5:43 | 7:38/mi
23M
2:58:14
Rank: #10394 (+107)
35K → 23M
9:55 | 7:55/mi
24M
3:06:06
Rank: #10378 (+16)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:12:53
Rank: #10325 (+53)
24M → 40K
6:47 | 7:56/mi
25.2M
3:15:45
Rank: #10269 (+56)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:23:24
Rank: #10172 (+97)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:42:16
Pace7:48 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2723:517:4123:51
7:41
-
10K
6.21 mi11:16:3147:557:4324:04
7:45
+0:04
15K
9.32 mi11:40:311:11:557:4324:00
7:43
-0:02
20K
12.43 mi12:04:301:35:547:4323:59
7:43
0:00
Half
13.11 mi12:09:441:41:087:435:14
7:40
-0:03
25K
15.53 mi12:28:231:59:477:4318:39
7:42
+0:02
30K
18.64 mi12:52:342:23:587:4324:11
7:47
+0:05
20M
20.00 mi13:03:012:34:257:4310:27
7:41
-0:06
21M
21.00 mi13:11:122:42:367:458:11
8:11
+0:30
35K
21.75 mi13:16:552:48:197:445:43
7:38
-0:33
23M
23.00 mi13:26:502:58:147:459:55
7:55
+0:17
24M
24.00 mi13:34:423:06:067:457:52
7:52
-0:03
40K
24.85 mi13:41:293:12:537:466:47
7:56
+0:04
25.2M
25.20 mi13:44:213:15:457:462:52
8:19
+0:23
Finish
26.22 mi13:52:003:23:247:467:39
7:30
-0:49

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

7:30 /mi

Average Pace

7:46 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:32

99% of race

Time at Steady Pace

2:52

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:52:2723:517:4123:51
7:41
#11250
10K
6.21 mi11:16:3147:557:4324:04
7:45
#11925
15K
9.32 mi11:40:311:11:557:4324:00
7:43
#11926
20K
12.43 mi12:04:301:35:547:4323:59
7:43
#11664
Half
13.11 mi12:09:441:41:087:435:14
7:40
#11660
25K
15.53 mi12:28:231:59:477:4318:39
7:42
#11399
30K
18.64 mi12:52:342:23:587:4324:11
7:47
#10944
20M
20.00 mi13:03:012:34:257:4310:27
7:41
#10720
21M
21.00 mi13:11:122:42:367:458:11
8:11
#10562
35K
21.75 mi13:16:552:48:197:445:43
7:38
#10501
23M
23.00 mi13:26:502:58:147:459:55
7:55
#10394
24M
24.00 mi13:34:423:06:067:457:52
7:52
#10378
40K
24.85 mi13:41:293:12:537:466:47
7:56
#10325
25.2M
25.20 mi13:44:213:15:457:462:52
8:19
#10269
Finish
26.22 mi13:52:003:23:247:467:39
7:30
#10172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112502458245812055(Top 45%)2923(Top 26%)2923(Top 60%)
10K6.21 mi3.10 mi11925-6752831-3732831-37312650(Top 48%)3226(Top 28%)3226(Top 66%)
15K9.32 mi3.11 mi11926-12847-162847-1612055(Top 45%)2923(Top 26%)2923(Top 60%)
20K12.43 mi3.11 mi11664+2622719+1282719+12811074(Top 42%)2440(Top 21%)2440(Top 50%)
Half13.11 mi0.68 mi11660+42717+22717+211642(Top 44%)2686(Top 24%)2686(Top 55%)
25K15.53 mi2.42 mi11399+2612589+1282589+12810248(Top 38%)2111(Top 18%)2111(Top 43%)
30K18.64 mi3.11 mi10944+4552371+2182371+2189248(Top 35%)1820(Top 16%)1820(Top 37%)
20M20.00 mi1.36 mi10720+2242294+772294+778143(Top 31%)1464(Top 13%)1464(Top 30%)
21M21.00 mi1.00 mi10562+1582230+642230+648553(Top 32%)1741(Top 15%)1741(Top 36%)
35K21.75 mi0.75 mi10501+612215+152215+159599(Top 36%)2184(Top 19%)2184(Top 45%)
23M23.00 mi1.25 mi10394+1072193+222193+229236(Top 35%)2139(Top 19%)2139(Top 44%)
24M24.00 mi1.00 mi10378+162213-202213-2010294(Top 39%)2726(Top 24%)2726(Top 56%)
40K24.85 mi0.85 mi10325+532212+12212+19614(Top 36%)2459(Top 22%)2459(Top 50%)
25.2M25.20 mi0.35 mi10269+562196+162196+168473(Top 32%)2024(Top 18%)2024(Top 41%)
Finish26.22 mi1.02 mi10172+972184+122184+128632(Top 32%)2082(Top 18%)2082(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12055

Females

2923

F18-39

2923

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12650

Females

3226

F18-39

3226

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12055

Females

2923

F18-39

2923

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11074

Females

2440

F18-39

2440

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11642

Females

2686

F18-39

2686

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10248

Females

2111

F18-39

2111

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9248

Females

1820

F18-39

1820

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8143

Females

1464

F18-39

1464

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8553

Females

1741

F18-39

1741

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9599

Females

2184

F18-39

2184

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9236

Females

2139

F18-39

2139

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10294

Females

2726

F18-39

2726

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9614

Females

2459

F18-39

2459

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8473

Females

2024

F18-39

2024

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8632

Females

2082

F18-39

2082

Passing Analysis

Category:
Athletes Passed
2371*
Passed By
1293
Net Change
+1078
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11250
5K → 10K102777-675#11250#11925
10K → 15K194195-1#11925#11926
15K → 20K32260+262#11926#11664
20K → Half2824+4#11664#11660
Half → 25K28221+261#11660#11399
25K → 30K47520+455#11399#10944
30K → 20M227*3+224#10944#10720
20M → 21M1679+158#10720#10562
21M → 35K7918+61#10562#10501
35K → 23M13932+107#10501#10394
23M → 24M6347+16#10394#10378
24M → 40K9643+53#10378#10325
40K → 25.2M69*13+56#10325#10269
25.2M → Finish12831+97#10269#10172
TOTALS2371*1293+1078

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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