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BOSTON MARATHON 2023

Bethany Spector

Bib: 4519•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4332
Start → 5K
6:46/mi
21:01 split
10K· 6.21 mi
41:44
Rank: #4166 (+166)
5K → 10K
6:40/mi
20:43 split
15K· 9.32 mi
1:02:21
Rank: #3920 (+246)
10K → 15K
6:38/mi
20:37 split
20K· 12.43 mi
1:23:41
Rank: #4199 (-279)
15K → 20K
6:52/mi
21:20 split
Half· 13.11 mi
1:28:25
Rank: #4317 (-118)
20K → Half
6:56/mi
4:44 split
25K· 15.53 mi
1:45:40
Rank: #4729 (-412)
Half → 25K
7:07/mi
17:15 split
30K· 18.64 mi
2:09:03
Rank: #5348 (-619)
25K → 30K
7:32/mi
23:23 split
20M
2:19:32
Rank: #5527 (-179)
30K → 20M
7:43/mi
10:29 split
21M
2:27:52
Rank: #5656 (-129)
20M → 21M
8:20/mi
8:20 split
35K· 21.75 mi
2:33:24
Rank: #5715 (-59)
21M → 35K
7:24/mi
5:32 split
23M
2:43:20
Rank: #5828 (-113)
35K → 23M
7:56/mi
9:56 split
24M
2:50:54
Rank: #5847 (-19)
23M → 24M
7:34/mi
7:34 split
40K· 24.85 mi
2:57:29
Rank: #5876 (-29)
24M → 40K
7:42/mi
6:35 split
25.2M
3:00:22
Rank: #5899 (-23)
40K → 25.2M
8:22/mi
2:53 split
Finish· 26.22 mi
3:07:46
Rank: #5888 (+11)
25.2M → Finish
7:16/mi
7:24 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:39:21
Pace7:35 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5821:016:4621:01
6:46
-
10K
6.21 mi10:43:4141:446:4320:43
6:40
-0:06
15K
9.32 mi11:04:181:02:216:4120:37
6:38
-0:02
20K
12.43 mi11:25:381:23:416:4421:20
6:52
+0:14
Half
13.11 mi11:30:221:28:256:454:44
6:56
+0:04
25K
15.53 mi11:47:371:45:406:4817:15
7:07
+0:11
30K
18.64 mi12:11:002:09:036:5523:23
7:32
+0:25
20M
20.00 mi12:21:292:19:326:5910:29
7:43
+0:11
21M
21.00 mi12:29:492:27:527:028:20
8:20
+0:37
35K
21.75 mi12:35:212:33:247:035:32
7:24
-0:56
23M
23.00 mi12:45:172:43:207:069:56
7:56
+0:32
24M
24.00 mi12:52:512:50:547:077:34
7:34
-0:22
40K
24.85 mi12:59:262:57:297:086:35
7:42
+0:08
25.2M
25.20 mi13:02:193:00:227:092:53
8:22
+0:40
Finish
26.22 mi13:09:433:07:467:107:24
7:16
-1:06

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

6:38 /mi

Average Pace

7:10 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:40

56% of race

Time at Steady Pace

43:53

23% of race

Time at Slower Pace

38:13

20% of race

Average Pace: 7:10 /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 mi10:22:5821:016:4621:01
6:46
#4332
10K
6.21 mi10:43:4141:446:4320:43
6:40
#4166
15K
9.32 mi11:04:181:02:216:4120:37
6:38
#3920
20K
12.43 mi11:25:381:23:416:4421:20
6:52
#4199
Half
13.11 mi11:30:221:28:256:454:44
6:56
#4317
25K
15.53 mi11:47:371:45:406:4817:15
7:07
#4729
30K
18.64 mi12:11:002:09:036:5523:23
7:32
#5348
20M
20.00 mi12:21:292:19:326:5910:29
7:43
#5527
21M
21.00 mi12:29:492:27:527:028:20
8:20
#5656
35K
21.75 mi12:35:212:33:247:035:32
7:24
#5715
23M
23.00 mi12:45:172:43:207:069:56
7:56
#5828
24M
24.00 mi12:52:512:50:547:077:34
7:34
#5847
40K
24.85 mi12:59:262:57:297:086:35
7:42
#5876
25.2M
25.20 mi13:02:193:00:227:092:53
8:22
#5899
Finish
26.22 mi13:09:433:07:467:107:24
7:16
#5888
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi43322822823609(Top 14%)201(Top 2%)201(Top 4%)
10K6.21 mi3.10 mi4166+166255+27255+274063(Top 15%)244(Top 2%)244(Top 5%)
15K9.32 mi3.11 mi3920+246226+29226+293609(Top 14%)201(Top 2%)201(Top 4%)
20K12.43 mi3.11 mi4199-279256-30256-305091(Top 19%)378(Top 3%)378(Top 8%)
Half13.11 mi0.68 mi4317-118271-15271-156267(Top 24%)567(Top 5%)567(Top 12%)
25K15.53 mi2.42 mi4729-412320-49320-496200(Top 23%)608(Top 5%)608(Top 12%)
30K18.64 mi3.11 mi5348-619406-86406-867405(Top 28%)1067(Top 9%)1067(Top 22%)
20M20.00 mi1.36 mi5527-179442-36442-368305(Top 31%)1509(Top 13%)1509(Top 31%)
21M21.00 mi1.00 mi5656-129468-26468-269428(Top 35%)2102(Top 18%)2102(Top 43%)
35K21.75 mi0.75 mi5715-59487-19487-197790(Top 29%)1398(Top 12%)1398(Top 29%)
23M23.00 mi1.25 mi5828-113533-46533-469301(Top 35%)2161(Top 19%)2161(Top 44%)
24M24.00 mi1.00 mi5847-19549-16549-168172(Top 31%)1737(Top 15%)1737(Top 36%)
40K24.85 mi0.85 mi5876-29567-18567-187995(Top 30%)1733(Top 15%)1733(Top 35%)
25.2M25.20 mi0.35 mi5899-23577-10577-108687(Top 33%)2090(Top 18%)2090(Top 43%)
Finish26.22 mi1.02 mi5888+11585-8585-86856(Top 26%)1361(Top 12%)1361(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3609

Females

201

F18-39

201

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4063

Females

244

F18-39

244

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3609

Females

201

F18-39

201

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5091

Females

378

F18-39

378

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6267

Females

567

F18-39

567

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6200

Females

608

F18-39

608

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7405

Females

1067

F18-39

1067

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8305

Females

1509

F18-39

1509

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9428

Females

2102

F18-39

2102

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7790

Females

1398

F18-39

1398

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9301

Females

2161

F18-39

2161

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8172

Females

1737

F18-39

1737

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7995

Females

1733

F18-39

1733

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8687

Females

2090

F18-39

2090

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6856

Females

1361

F18-39

1361

Passing Analysis

Category:
Athletes Passed
952
Passed By
2508
Net Change
-1556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4332
5K → 10K307141+166#4332#4166
10K → 15K28640+246#4166#3920
15K → 20K34313-279#3920#4199
20K → Half2120-118#4199#4317
Half → 25K33445-412#4317#4729
25K → 30K27646-619#4729#5348
30K → 20M22201-179#5348#5527
20M → 21M18147-129#5527#5656
21M → 35K2180-59#5656#5715
35K → 23M34147-113#5715#5828
23M → 24M5372-19#5828#5847
24M → 40K3968-29#5847#5876
40K → 25.2M1437-23#5876#5899
25.2M → Finish6251+11#5899#5888
TOTALS9522508-1556
📊

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