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BOSTON MARATHON 2023

Afton Parker

Bib: 19304•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 12%
Division (F40-44)
#0 / 1878
Top 24%
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
7:47/mi
24:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:20
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:36:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:41:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
2:00:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:26:09
↑ 181↓ 1480.2%
20M
8:12/mi
2:37:17
↑ 64↓ 500.2%
21M
8:39/mi
2:45:56
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:51:42
↑ 17↓ 861.7%
23M
8:11/mi
3:01:57
↑ 23↓ 630.6%
24M
7:30/mi
3:09:27
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:16:13
↓ 200.3%
25.2M
8:39/mi
3:19:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:27:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:48
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:45:23
Pace8:02 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:5224:107:4724:10
7:47
-
10K
6.21 mi12:03:4748:057:4423:55
7:42
-0:05
15K
9.32 mi12:28:021:12:207:4624:15
7:48
+0:06
20K
12.43 mi12:52:081:36:267:4624:06
7:45
-0:03
Half
13.11 mi12:57:301:41:487:465:22
7:52
+0:07
25K
15.53 mi13:16:352:00:537:4719:05
7:52
0:00
30K
18.64 mi13:41:512:26:097:5025:16
8:08
+0:16
20M
20.00 mi13:52:592:37:177:5211:08
8:12
+0:04
21M
21.00 mi14:01:382:45:567:548:39
8:39
+0:27
35K
21.75 mi14:07:242:51:427:545:46
7:42
-0:57
23M
23.00 mi14:17:393:01:577:5510:15
8:11
+0:29
24M
24.00 mi14:25:093:09:277:547:30
7:30
-0:41
40K
24.85 mi14:31:553:16:137:546:46
7:55
+0:25
25.2M
25.20 mi14:34:543:19:127:542:59
8:39
+0:44
Finish
26.22 mi14:42:533:27:117:547:59
7:50
-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

7:54 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:33

94% of race

Time at Steady Pace

11:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:39:5224:107:4724:10
7:47
#12174
10K
6.21 mi12:03:4748:057:4423:55
7:42
#12173
15K
9.32 mi12:28:021:12:207:4624:15
7:48
#12319
20K
12.43 mi12:52:081:36:267:4624:06
7:45
#12039
Half
13.11 mi12:57:301:41:487:465:22
7:52
#12101
25K
15.53 mi13:16:352:00:537:4719:05
7:52
#12027
30K
18.64 mi13:41:512:26:097:5025:16
8:08
#11947
20M
20.00 mi13:52:592:37:177:5211:08
8:12
#11910
21M
21.00 mi14:01:382:45:567:548:39
8:39
#11875
35K
21.75 mi14:07:242:51:427:545:46
7:42
#11810
23M
23.00 mi14:17:393:01:577:5510:15
8:11
#11739
24M
24.00 mi14:25:093:09:277:547:30
7:30
#11536
40K
24.85 mi14:31:553:16:137:546:46
7:55
#11432
25.2M
25.20 mi14:34:543:19:127:542:59
8:39
#11411
Finish
26.22 mi14:42:533:27:117:547:59
7:50
#11354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi121742964296412775(Top 48%)3331(Top 29%)3331(Top 177%)
10K6.21 mi3.10 mi12173+12959+52959+512231(Top 46%)3000(Top 26%)3000(Top 160%)
15K9.32 mi3.11 mi12319-1463076-1173076-11712775(Top 48%)3331(Top 29%)3331(Top 177%)
20K12.43 mi3.11 mi12039+2802934+1422934+14211384(Top 43%)2622(Top 23%)2622(Top 140%)
Half13.11 mi0.68 mi12101-622978-442978-4413315(Top 50%)3664(Top 32%)3664(Top 195%)
25K15.53 mi2.42 mi12027+742957+212957+2111702(Top 44%)2895(Top 25%)2895(Top 154%)
30K18.64 mi3.11 mi11947+802949+82949+811882(Top 45%)3113(Top 27%)3113(Top 166%)
20M20.00 mi1.36 mi11910+372942+72942+711657(Top 44%)3087(Top 27%)3087(Top 164%)
21M21.00 mi1.00 mi11875+352940+22940+211368(Top 43%)3066(Top 27%)3066(Top 163%)
35K21.75 mi0.75 mi11810+652919+212919+2110056(Top 38%)2394(Top 21%)2394(Top 127%)
23M23.00 mi1.25 mi11739+712898+212898+2111116(Top 42%)3070(Top 27%)3070(Top 163%)
24M24.00 mi1.00 mi11536+2032809+892809+897752(Top 29%)1592(Top 14%)1592(Top 85%)
40K24.85 mi0.85 mi11432+1042775+342775+349487(Top 36%)2402(Top 21%)2402(Top 128%)
25.2M25.20 mi0.35 mi11411+212779-42779-410508(Top 39%)2934(Top 26%)2934(Top 156%)
Finish26.22 mi1.02 mi11354+572770+92770+910957(Top 41%)3165(Top 28%)3165(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12775

Females

3331

F40-44

3331

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12231

Females

3000

F40-44

3000

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12775

Females

3331

F40-44

3331

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11384

Females

2622

F40-44

2622

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13315

Females

3664

F40-44

3664

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11702

Females

2895

F40-44

2895

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11882

Females

3113

F40-44

3113

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11657

Females

3087

F40-44

3087

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11368

Females

3066

F40-44

3066

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10056

Females

2394

F40-44

2394

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11116

Females

3070

F40-44

3070

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7752

Females

1592

F40-44

1592

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9487

Females

2402

F40-44

2402

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10508

Females

2934

F40-44

2934

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10957

Females

3165

F40-44

3165

Passing Analysis

Category:
Athletes Passed
2089
Passed By
1269
Net Change
+820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12174
5K → 10K305304+1#12174#12173
10K → 15K139285-146#12173#12319
15K → 20K33656+280#12319#12039
20K → Half769-62#12039#12101
Half → 25K16591+74#12101#12027
25K → 30K230150+80#12027#11947
30K → 20M11780+37#11947#11910
20M → 21M10772+35#11910#11875
21M → 35K8217+65#11875#11810
35K → 23M12857+71#11810#11739
23M → 24M2074+203#11739#11536
24M → 40K11915+104#11536#11432
40K → 25.2M4423+21#11432#11411
25.2M → Finish10346+57#11411#11354
TOTALS20891269+820
📊

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