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BOSTON MARATHON 2023

Jennifer Perkins

Bib: 26067•F

MA

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
11:21/mi
35:16
↑ 97↓ 3451.5%
10K· 6.21 mi
11:28/mi
1:10:55
↑ 79↓ 1380.4%
15K· 9.32 mi
11:30/mi
1:46:39
↑ 67↓ 78
20K· 12.43 mi
11:32/mi
2:22:29
↑ 106↓ 860.1%
Half· 13.11 mi
11:38/mi
2:30:25
↑ 19↓ 370.5%
25K· 15.53 mi
11:36/mi
2:58:33
↑ 66↓ 880.2%
30K· 18.64 mi
11:16/mi
3:33:32
↑ 181↓ 1480.2%
20M
10:55/mi
3:48:22
↑ 64↓ 500.2%
21M
11:39/mi
4:00:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:23/mi
4:07:47
↑ 17↓ 861.7%
23M
10:20/mi
4:20:43
↑ 23↓ 630.6%
24M
10:22/mi
4:31:05
↓ 821.3%
40K· 24.85 mi
10:20/mi
4:39:55
↓ 200.3%
25.2M
10:32/mi
4:43:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
4:52:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:30:25
Pace11:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:22:05
Pace10:50 /mi
📊Negative Split: 5.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2435:1611:2135:16
11:21
-
10K
6.21 mi12:28:031:10:5511:2535:39
11:28
+0:07
15K
9.32 mi13:03:471:46:3911:2735:44
11:30
+0:02
20K
12.43 mi13:39:372:22:2911:2835:50
11:32
+0:02
Half
13.11 mi13:47:332:30:2511:287:56
11:38
+0:06
25K
15.53 mi14:15:412:58:3311:3028:08
11:36
-0:02
30K
18.64 mi14:50:403:33:3211:2734:59
11:16
-0:20
20M
20.00 mi15:05:303:48:2211:2514:50
10:55
-0:21
21M
21.00 mi15:17:094:00:0111:2611:39
11:39
+0:44
35K
21.75 mi15:24:554:07:4711:247:46
10:23
-1:16
23M
23.00 mi15:37:514:20:4311:2012:56
10:20
-0:03
24M
24.00 mi15:48:134:31:0511:1810:22
10:22
+0:02
40K
24.85 mi15:57:034:39:5511:168:50
10:20
-0:02
25.2M
25.20 mi16:00:414:43:3311:153:38
10:32
+0:12
Finish
26.22 mi16:09:384:52:3011:108:57
8:47
-1:45

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

8:47 /mi

Average Pace

11:10 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:29

18% of race

Time at Steady Pace

3:48:22

78% of race

Time at Slower Pace

11:39

4% of race

Average Pace: 11:09 /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 mi11:52:2435:1611:2135:16
11:21
#26088
10K
6.21 mi12:28:031:10:5511:2535:39
11:28
#26025
15K
9.32 mi13:03:471:46:3911:2735:44
11:30
#25934
20K
12.43 mi13:39:372:22:2911:2835:50
11:32
#25765
Half
13.11 mi13:47:332:30:2511:287:56
11:38
#25750
25K
15.53 mi14:15:412:58:3311:3028:08
11:36
#25595
30K
18.64 mi14:50:403:33:3211:2734:59
11:16
#25274
20M
20.00 mi15:05:303:48:2211:2514:50
10:55
#25132
21M
21.00 mi15:17:094:00:0111:2611:39
11:39
#25016
35K
21.75 mi15:24:554:07:4711:247:46
10:23
#24928
23M
23.00 mi15:37:514:20:4311:2012:56
10:20
#24764
24M
24.00 mi15:48:134:31:0511:1810:22
10:22
#24663
40K
24.85 mi15:57:034:39:5511:168:50
10:20
#24546
25.2M
25.20 mi16:00:414:43:3311:153:38
10:32
#24491
Finish
26.22 mi16:09:384:52:3011:108:57
8:47
#24347
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26088111011110125708(Top 97%)10867(Top 95%)10867(Top 223%)
10K6.21 mi3.10 mi26025+6311057+4411057+4425936(Top 97%)10997(Top 96%)10997(Top 225%)
15K9.32 mi3.11 mi25934+9111005+5211005+5225708(Top 97%)10867(Top 95%)10867(Top 223%)
20K12.43 mi3.11 mi25765+16910909+9610909+9625285(Top 95%)10647(Top 93%)10647(Top 218%)
Half13.11 mi0.68 mi25750+1510904+510904+525591(Top 96%)10839(Top 95%)10839(Top 222%)
25K15.53 mi2.42 mi25595+15510810+9410810+9424797(Top 93%)10399(Top 91%)10399(Top 213%)
30K18.64 mi3.11 mi25274+32110644+16610644+16623521(Top 88%)9746(Top 85%)9746(Top 200%)
20M20.00 mi1.36 mi25132+14210571+7310571+7322565(Top 85%)9283(Top 81%)9283(Top 190%)
21M21.00 mi1.00 mi25016+11610515+5610515+5622168(Top 83%)9095(Top 80%)9095(Top 186%)
35K21.75 mi0.75 mi24928+8810472+4310472+4322178(Top 83%)9155(Top 80%)9155(Top 187%)
23M23.00 mi1.25 mi24764+16410385+8710385+8720921(Top 79%)8481(Top 74%)8481(Top 174%)
24M24.00 mi1.00 mi24663+10110338+4710338+4721729(Top 82%)8970(Top 79%)8970(Top 184%)
40K24.85 mi0.85 mi24546+11710279+5910279+5920851(Top 78%)8527(Top 75%)8527(Top 175%)
25.2M25.20 mi0.35 mi24491+5510248+3110248+3119289(Top 72%)7684(Top 67%)7684(Top 157%)
Finish26.22 mi1.02 mi24347+14410176+7210176+7216996(Top 64%)6383(Top 56%)6383(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25708

Females

10867

F18-39

10867

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25936

Females

10997

F18-39

10997

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25708

Females

10867

F18-39

10867

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25285

Females

10647

F18-39

10647

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25591

Females

10839

F18-39

10839

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24797

Females

10399

F18-39

10399

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23521

Females

9746

F18-39

9746

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22565

Females

9283

F18-39

9283

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22168

Females

9095

F18-39

9095

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22178

Females

9155

F18-39

9155

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20921

Females

8481

F18-39

8481

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21729

Females

8970

F18-39

8970

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20851

Females

8527

F18-39

8527

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19289

Females

7684

F18-39

7684

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16996

Females

6383

F18-39

6383

Passing Analysis

Category:
Athletes Passed
1845
Passed By
104
Net Change
+1741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26088
5K → 10K11956+63#26088#26025
10K → 15K11726+91#26025#25934
15K → 20K1778+169#25934#25765
20K → Half227+15#25765#25750
Half → 25K1583+155#25750#25595
25K → 30K3243+321#25595#25274
30K → 20M1420+142#25274#25132
20M → 21M1160+116#25132#25016
21M → 35K880+88#25016#24928
35K → 23M1640+164#24928#24764
23M → 24M1010+101#24764#24663
24M → 40K1170+117#24663#24546
40K → 25.2M550+55#24546#24491
25.2M → Finish1451+144#24491#24347
TOTALS1845104+1741
📊

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