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BOSTON MARATHON 2023

Rebecca Whitman

Bib: 15207•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Masters (Masters Women)
#0 / 6539
Top 5%
Division (F40-44)
#0 / 1878
Top 10%
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
7:30/mi
23:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:51
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:33:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:38:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:56:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:20:05
↑ 181↓ 1480.2%
20M
7:36/mi
2:30:24
↑ 64↓ 500.2%
21M
8:00/mi
2:38:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:43:53
↑ 17↓ 861.7%
23M
7:37/mi
2:53:25
↑ 23↓ 630.6%
24M
7:21/mi
3:00:46
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:07:22
↓ 200.3%
25.2M
7:53/mi
3:10:05
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:17:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:39:27
Pace7:35 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1723:177:3023:17
7:30
-
10K
6.21 mi11:17:3946:397:3023:22
7:31
+0:01
15K
9.32 mi11:40:511:09:517:3023:12
7:28
-0:03
20K
12.43 mi12:04:101:33:107:3023:19
7:30
+0:02
Half
13.11 mi12:09:111:38:117:295:01
7:21
-0:09
25K
15.53 mi12:27:221:56:227:2918:11
7:30
+0:09
30K
18.64 mi12:51:052:20:057:3123:43
7:38
+0:08
20M
20.00 mi13:01:242:30:247:3110:19
7:36
-0:02
21M
21.00 mi13:09:242:38:247:338:00
8:00
+0:24
35K
21.75 mi13:14:532:43:537:325:29
7:20
-0:40
23M
23.00 mi13:24:252:53:257:329:32
7:37
+0:17
24M
24.00 mi13:31:463:00:467:327:21
7:21
-0:16
40K
24.85 mi13:38:223:07:227:326:36
7:43
+0:22
25.2M
25.20 mi13:41:053:10:057:332:43
7:53
+0:10
Finish
26.22 mi13:48:383:17:387:337:33
7:25
-0:28

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

7:20 /mi

Average Pace

7:33 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:19

91% of race

Time at Steady Pace

17:19

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:54:1723:177:3023:17
7:30
#9591
10K
6.21 mi11:17:3946:397:3023:22
7:31
#10104
15K
9.32 mi11:40:511:09:517:3023:12
7:28
#9986
20K
12.43 mi12:04:101:33:107:3023:19
7:30
#9804
Half
13.11 mi12:09:111:38:117:295:01
7:21
#9764
25K
15.53 mi12:27:221:56:227:2918:11
7:30
#9567
30K
18.64 mi12:51:052:20:057:3123:43
7:38
#9268
20M
20.00 mi13:01:242:30:247:3110:19
7:36
#9102
21M
21.00 mi13:09:242:38:247:338:00
8:00
#8979
35K
21.75 mi13:14:532:43:537:325:29
7:20
#8911
23M
23.00 mi13:24:252:53:257:329:32
7:37
#8783
24M
24.00 mi13:31:463:00:467:327:21
7:21
#8662
40K
24.85 mi13:38:223:07:227:326:36
7:43
#8618
25.2M
25.20 mi13:41:053:10:057:332:43
7:53
#8564
Finish
26.22 mi13:48:383:17:387:337:33
7:25
#8511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9591165716579921(Top 37%)1801(Top 16%)1801(Top 96%)
10K6.21 mi3.10 mi10104-5131883-2261883-22610629(Top 40%)2114(Top 19%)2114(Top 113%)
15K9.32 mi3.11 mi9986+1181818+651818+659921(Top 37%)1801(Top 16%)1801(Top 96%)
20K12.43 mi3.11 mi9804+1821754+641754+649355(Top 35%)1622(Top 14%)1622(Top 86%)
Half13.11 mi0.68 mi9764+401734+201734+209080(Top 34%)1504(Top 13%)1504(Top 80%)
25K15.53 mi2.42 mi9567+1971674+601674+608796(Top 33%)1475(Top 13%)1475(Top 79%)
30K18.64 mi3.11 mi9268+2991593+811593+818203(Top 31%)1389(Top 12%)1389(Top 74%)
20M20.00 mi1.36 mi9102+1661551+421551+427468(Top 28%)1207(Top 11%)1207(Top 64%)
21M21.00 mi1.00 mi8979+1231527+241527+247381(Top 28%)1277(Top 11%)1277(Top 68%)
35K21.75 mi0.75 mi8911+681501+261501+267379(Top 28%)1254(Top 11%)1254(Top 67%)
23M23.00 mi1.25 mi8783+1281482+191482+197210(Top 27%)1252(Top 11%)1252(Top 67%)
24M24.00 mi1.00 mi8662+1211456+261456+266759(Top 25%)1181(Top 10%)1181(Top 63%)
40K24.85 mi0.85 mi8618+441455+11455+18124(Top 31%)1788(Top 16%)1788(Top 95%)
25.2M25.20 mi0.35 mi8564+541440+151440+155894(Top 22%)1025(Top 9%)1025(Top 55%)
Finish26.22 mi1.02 mi8511+531444-41444-47876(Top 30%)1775(Top 16%)1775(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9921

Females

1801

F40-44

1801

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10629

Females

2114

F40-44

2114

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9921

Females

1801

F40-44

1801

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9355

Females

1622

F40-44

1622

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9080

Females

1504

F40-44

1504

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8796

Females

1475

F40-44

1475

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8203

Females

1389

F40-44

1389

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7468

Females

1207

F40-44

1207

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7381

Females

1277

F40-44

1277

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7379

Females

1254

F40-44

1254

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7210

Females

1252

F40-44

1252

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6759

Females

1181

F40-44

1181

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8124

Females

1788

F40-44

1788

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5894

Females

1025

F40-44

1025

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7876

Females

1775

F40-44

1775

Passing Analysis

Category:
Athletes Passed
2162*
Passed By
1081
Net Change
+1080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9591
5K → 10K134646-513#9591#10104
10K → 15K243*125+118#10104#9986
15K → 20K266*84+182#9986#9804
20K → Half5212+40#9804#9764
Half → 25K22528+197#9764#9567
25K → 30K340*41+299#9567#9268
30K → 20M1748+166#9268#9102
20M → 21M14926+123#9102#8979
21M → 35K7911+68#8979#8911
35K → 23M14416+128#8911#8783
23M → 24M13211+121#8783#8662
24M → 40K7632+44#8662#8618
40K → 25.2M617+54#8618#8564
25.2M → Finish8734+53#8564#8511
TOTALS2162*1081+1080

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

📊

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