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BOSTON MARATHON 2023

Rebecca Goulter

Bib: 17950•F

NC

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

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
8:19/mi
25:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
51:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:18:32
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:45:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:51:42
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:13:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:42:42
↑ 181↓ 1480.2%
20M
9:30/mi
2:55:37
↑ 64↓ 500.2%
21M
9:52/mi
3:05:29
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:12:25
↑ 17↓ 861.7%
23M
9:37/mi
3:24:28
↑ 23↓ 630.6%
24M
9:21/mi
3:33:49
↓ 821.3%
40K· 24.85 mi
9:35/mi
3:42:01
↓ 200.3%
25.2M
10:23/mi
3:45:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
3:54:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:42
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:03:10
Pace9:24 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4525:498:1925:49
8:19
-
10K
6.21 mi11:42:5451:588:2226:09
8:25
+0:06
15K
9.32 mi12:09:281:18:328:2626:34
8:33
+0:08
20K
12.43 mi12:36:471:45:518:3127:19
8:48
+0:15
Half
13.11 mi12:42:381:51:428:315:51
8:34
-0:14
25K
15.53 mi13:04:342:13:388:3621:56
9:03
+0:29
30K
18.64 mi13:33:382:42:428:4429:04
9:21
+0:18
20M
20.00 mi13:46:332:55:378:4712:55
9:30
+0:09
21M
21.00 mi13:56:253:05:298:509:52
9:52
+0:22
35K
21.75 mi14:03:213:12:258:516:56
9:16
-0:36
23M
23.00 mi14:15:243:24:288:5312:03
9:37
+0:21
24M
24.00 mi14:24:453:33:498:559:21
9:21
-0:16
40K
24.85 mi14:32:573:42:018:568:12
9:35
+0:14
25.2M
25.20 mi14:36:323:45:368:573:35
10:23
+0:48
Finish
26.22 mi14:45:483:54:528:589:16
9:06
-1:17

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

8:19 /mi

Average Pace

8:58 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:42

48% of race

Time at Steady Pace

1:29:28

38% of race

Time at Slower Pace

33:42

14% of race

Average Pace: 8:57 /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 mi11:16:4525:498:1925:49
8:19
#16237
10K
6.21 mi11:42:5451:588:2226:09
8:25
#16951
15K
9.32 mi12:09:281:18:328:2626:34
8:33
#17372
20K
12.43 mi12:36:471:45:518:3127:19
8:48
#17680
Half
13.11 mi12:42:381:51:428:315:51
8:34
#17685
25K
15.53 mi13:04:342:13:388:3621:56
9:03
#17972
30K
18.64 mi13:33:382:42:428:4429:04
9:21
#18151
20M
20.00 mi13:46:332:55:378:4712:55
9:30
#18211
21M
21.00 mi13:56:253:05:298:509:52
9:52
#18176
35K
21.75 mi14:03:213:12:258:516:56
9:16
#18219
23M
23.00 mi14:15:243:24:288:5312:03
9:37
#18264
24M
24.00 mi14:24:453:33:498:559:21
9:21
#18288
40K
24.85 mi14:32:573:42:018:568:12
9:35
#18322
25.2M
25.20 mi14:36:323:45:368:573:35
10:23
#18330
Finish
26.22 mi14:45:483:54:528:589:16
9:06
#18346
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi162375433543318169(Top 68%)6602(Top 58%)6602(Top 135%)
10K6.21 mi3.10 mi16951-7145885-4525885-45217693(Top 66%)6305(Top 55%)6305(Top 129%)
15K9.32 mi3.11 mi17372-4216139-2546139-25418169(Top 68%)6602(Top 58%)6602(Top 135%)
20K12.43 mi3.11 mi17680-3086332-1936332-19318639(Top 70%)6877(Top 60%)6877(Top 141%)
Half13.11 mi0.68 mi17685-56336-46336-418242(Top 69%)6637(Top 58%)6637(Top 136%)
25K15.53 mi2.42 mi17972-2876521-1856521-18519190(Top 72%)7236(Top 63%)7236(Top 148%)
30K18.64 mi3.11 mi18151-1796662-1416662-14118855(Top 71%)7114(Top 62%)7114(Top 146%)
20M20.00 mi1.36 mi18211-606707-456707-4518883(Top 71%)7231(Top 63%)7231(Top 148%)
21M21.00 mi1.00 mi18176+356707670717531(Top 66%)6499(Top 57%)6499(Top 133%)
35K21.75 mi0.75 mi18219-436736-296736-2919022(Top 71%)7392(Top 65%)7392(Top 151%)
23M23.00 mi1.25 mi18264-456767-316767-3118836(Top 71%)7310(Top 64%)7310(Top 150%)
24M24.00 mi1.00 mi18288-246793-266793-2618662(Top 70%)7254(Top 64%)7254(Top 149%)
40K24.85 mi0.85 mi18322-346827-346827-3418667(Top 70%)7308(Top 64%)7308(Top 150%)
25.2M25.20 mi0.35 mi18330-86832-56832-518776(Top 71%)7380(Top 65%)7380(Top 151%)
Finish26.22 mi1.02 mi18346-166848-166848-1618450(Top 69%)7146(Top 63%)7146(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18169

Females

6602

F18-39

6602

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17693

Females

6305

F18-39

6305

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18169

Females

6602

F18-39

6602

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18639

Females

6877

F18-39

6877

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18242

Females

6637

F18-39

6637

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19190

Females

7236

F18-39

7236

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18855

Females

7114

F18-39

7114

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18883

Females

7231

F18-39

7231

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17531

Females

6499

F18-39

6499

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

19022

Females

7392

F18-39

7392

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18836

Females

7310

F18-39

7310

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18662

Females

7254

F18-39

7254

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18667

Females

7308

F18-39

7308

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18776

Females

7380

F18-39

7380

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18450

Females

7146

F18-39

7146

Passing Analysis

Category:
Athletes Passed
884
Passed By
2993
Net Change
-2109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16237
5K → 10K80794-714#16237#16951
10K → 15K71492-421#16951#17372
15K → 20K88396-308#17372#17680
20K → Half3035-5#17680#17685
Half → 25K53340-287#17685#17972
25K → 30K127306-179#17972#18151
30K → 20M64124-60#18151#18211
20M → 21M12186+35#18211#18176
21M → 35K3780-43#18176#18219
35K → 23M64109-45#18219#18264
23M → 24M4468-24#18264#18288
24M → 40K3973-34#18288#18322
40K → 25.2M2028-8#18322#18330
25.2M → Finish4662-16#18330#18346
TOTALS8842993-2109
📊

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