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BOSTON MARATHON 2023

Jennifer Anderson

Bib: 11466•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Masters (Masters Women)
#0 / 6539
Top 13%
Division (F40-44)
#0 / 1878
Top 26%
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
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:57
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:36:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:41:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:00:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:25:36
↑ 181↓ 1480.2%
20M
8:09/mi
2:36:41
↑ 64↓ 500.2%
21M
8:50/mi
2:45:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:51:31
↑ 17↓ 861.7%
23M
8:33/mi
3:02:13
↑ 23↓ 630.6%
24M
8:12/mi
3:10:25
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:17:38
↓ 200.3%
25.2M
8:59/mi
3:20:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:28:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:14
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0523:527:4123:52
7:41
-
10K
6.21 mi11:17:0547:527:4224:00
7:43
+0:02
15K
9.32 mi11:41:101:11:577:4324:05
7:45
+0:02
20K
12.43 mi12:05:151:36:027:4424:05
7:45
0:00
Half
13.11 mi12:10:271:41:147:435:12
7:37
-0:08
25K
15.53 mi12:29:432:00:307:4519:16
7:57
+0:20
30K
18.64 mi12:54:492:25:367:4925:06
8:05
+0:08
20M
20.00 mi13:05:542:36:417:5011:05
8:09
+0:04
21M
21.00 mi13:14:442:45:317:538:50
8:50
+0:41
35K
21.75 mi13:20:442:51:317:536:00
8:01
-0:49
23M
23.00 mi13:31:263:02:137:5510:42
8:33
+0:32
24M
24.00 mi13:39:383:10:257:568:12
8:12
-0:21
40K
24.85 mi13:46:513:17:387:577:13
8:26
+0:14
25.2M
25.20 mi13:49:573:20:447:583:06
8:59
+0:33
Finish
26.22 mi13:57:403:28:277:577:43
7:34
-1:25

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

7:34 /mi

Average Pace

7:57 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:36

86% of race

Time at Steady Pace

26:45

13% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:57 /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 mi10:53:0523:527:4123:52
7:41
#11307
10K
6.21 mi11:17:0547:527:4224:00
7:43
#11852
15K
9.32 mi11:41:101:11:577:4324:05
7:45
#11956
20K
12.43 mi12:05:151:36:027:4424:05
7:45
#11773
Half
13.11 mi12:10:271:41:147:435:12
7:37
#11737
25K
15.53 mi12:29:432:00:307:4519:16
7:57
#11786
30K
18.64 mi12:54:492:25:367:4925:06
8:05
#11710
20M
20.00 mi13:05:542:36:417:5011:05
8:09
#11666
21M
21.00 mi13:14:442:45:317:538:50
8:50
#11711
35K
21.75 mi13:20:442:51:317:536:00
8:01
#11736
23M
23.00 mi13:31:263:02:137:5510:42
8:33
#11833
24M
24.00 mi13:39:383:10:257:568:12
8:12
#11866
40K
24.85 mi13:46:513:17:387:577:13
8:26
#11904
25.2M
25.20 mi13:49:573:20:447:583:06
8:59
#11907
Finish
26.22 mi13:57:403:28:277:577:43
7:34
#11772
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi113072496249612326(Top 46%)3093(Top 27%)3093(Top 165%)
10K6.21 mi3.10 mi11852-5452792-2962792-29612484(Top 47%)3140(Top 27%)3140(Top 167%)
15K9.32 mi3.11 mi11956-1042868-762868-7612326(Top 46%)3093(Top 27%)3093(Top 165%)
20K12.43 mi3.11 mi11773+1832782+862782+8611335(Top 43%)2595(Top 23%)2595(Top 138%)
Half13.11 mi0.68 mi11737+362762+202762+2011296(Top 42%)2527(Top 22%)2527(Top 135%)
25K15.53 mi2.42 mi11786-492803-412803-4112287(Top 46%)3241(Top 28%)3241(Top 173%)
30K18.64 mi3.11 mi11710+762813-102813-1011522(Top 43%)2911(Top 25%)2911(Top 155%)
20M20.00 mi1.36 mi11666+442807+62807+611406(Top 43%)2941(Top 26%)2941(Top 157%)
21M21.00 mi1.00 mi11711-452850-432850-4312457(Top 47%)3656(Top 32%)3656(Top 195%)
35K21.75 mi0.75 mi11736-252875-252875-2512298(Top 46%)3589(Top 31%)3589(Top 191%)
23M23.00 mi1.25 mi11833-972950-752950-7513508(Top 51%)4339(Top 38%)4339(Top 231%)
24M24.00 mi1.00 mi11866-332992-422992-4212612(Top 47%)3912(Top 34%)3912(Top 208%)
40K24.85 mi0.85 mi11904-383042-503042-5012985(Top 49%)4189(Top 37%)4189(Top 223%)
25.2M25.20 mi0.35 mi11907-33049-73049-712497(Top 47%)3956(Top 35%)3956(Top 211%)
Finish26.22 mi1.02 mi11772+1352996+532996+539135(Top 34%)2305(Top 20%)2305(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12326

Females

3093

F40-44

3093

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12484

Females

3140

F40-44

3140

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12326

Females

3093

F40-44

3093

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11335

Females

2595

F40-44

2595

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11296

Females

2527

F40-44

2527

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12287

Females

3241

F40-44

3241

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11522

Females

2911

F40-44

2911

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11406

Females

2941

F40-44

2941

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12457

Females

3656

F40-44

3656

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12298

Females

3589

F40-44

3589

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13508

Females

4339

F40-44

4339

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12612

Females

3912

F40-44

3912

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12985

Females

4189

F40-44

4189

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12497

Females

3956

F40-44

3956

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9135

Females

2305

F40-44

2305

Passing Analysis

Category:
Athletes Passed
1517
Passed By
1982
Net Change
-465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11307
5K → 10K125670-545#11307#11852
10K → 15K153257-104#11852#11956
15K → 20K26380+183#11956#11773
20K → Half5115+36#11773#11737
Half → 25K124173-49#11737#11786
25K → 30K222146+76#11786#11710
30K → 20M11571+44#11710#11666
20M → 21M72117-45#11666#11711
21M → 35K3964-25#11711#11736
35K → 23M65162-97#11736#11833
23M → 24M5386-33#11833#11866
24M → 40K5189-38#11866#11904
40K → 25.2M3134-3#11904#11907
25.2M → Finish15318+135#11907#11772
TOTALS15171982-465
📊

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