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BOSTON MARATHON 2023

Alexa Duplisea

Bib: 24825•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:33
Rank: #22123
Start → 5K
9:31/mi
29:33 split
10K· 6.21 mi
57:43
Rank: #21694 (+429)
5K → 10K
9:04/mi
28:10 split
15K· 9.32 mi
1:26:27
Rank: #21619 (+75)
10K → 15K
9:15/mi
28:44 split
20K· 12.43 mi
1:54:51
Rank: #21317 (+302)
15K → 20K
9:08/mi
28:24 split
Half· 13.11 mi
2:01:03
Rank: #21290 (+27)
20K → Half
9:05/mi
6:12 split
25K· 15.53 mi
2:23:25
Rank: #21072 (+218)
Half → 25K
9:13/mi
22:22 split
30K· 18.64 mi
2:54:31
Rank: #21056 (+16)
25K → 30K
10:01/mi
31:06 split
20M
3:07:20
Rank: #20853 (+203)
30K → 20M
9:26/mi
12:49 split
21M
3:17:47
Rank: #20755 (+98)
20M → 21M
10:27/mi
10:27 split
35K· 21.75 mi
3:25:02
Rank: #20728 (+27)
21M → 35K
9:41/mi
7:15 split
23M
3:37:12
Rank: #20600 (+128)
35K → 23M
9:43/mi
12:10 split
24M
3:46:54
Rank: #20575 (+25)
23M → 24M
9:42/mi
9:42 split
40K· 24.85 mi
3:54:41
Rank: #20430 (+145)
24M → 40K
9:06/mi
7:47 split
25.2M
3:58:04
Rank: #20377 (+53)
40K → 25.2M
9:49/mi
3:23 split
Finish· 26.22 mi
4:07:06
Rank: #20279 (+98)
25.2M → Finish
8:52/mi
9:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:03
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:06:03
Pace9:37 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0929:339:3129:33
9:31
-
10K
6.21 mi12:13:1957:439:1728:10
9:04
-0:27
15K
9.32 mi12:42:031:26:279:1728:44
9:15
+0:11
20K
12.43 mi13:10:271:54:519:1428:24
9:08
-0:07
Half
13.11 mi13:16:392:01:039:146:12
9:05
-0:03
25K
15.53 mi13:39:012:23:259:1422:22
9:13
+0:08
30K
18.64 mi14:10:072:54:319:2231:06
10:01
+0:48
20M
20.00 mi14:22:563:07:209:2212:49
9:26
-0:35
21M
21.00 mi14:33:233:17:479:2510:27
10:27
+1:01
35K
21.75 mi14:40:383:25:029:267:15
9:41
-0:46
23M
23.00 mi14:52:483:37:129:2712:10
9:43
+0:02
24M
24.00 mi15:02:303:46:549:279:42
9:42
-0:01
40K
24.85 mi15:10:173:54:419:277:47
9:06
-0:36
25.2M
25.20 mi15:13:403:58:049:273:23
9:49
+0:43
Finish
26.22 mi15:22:424:07:069:269:02
8:52
-0:57

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

8:52 /mi

Average Pace

9:26 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:10

82% of race

Time at Steady Pace

44:56

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:25 /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 mi11:45:0929:339:3129:33
9:31
#22123
10K
6.21 mi12:13:1957:439:1728:10
9:04
#21694
15K
9.32 mi12:42:031:26:279:1728:44
9:15
#21619
20K
12.43 mi13:10:271:54:519:1428:24
9:08
#21317
Half
13.11 mi13:16:392:01:039:146:12
9:05
#21290
25K
15.53 mi13:39:012:23:259:1422:22
9:13
#21072
30K
18.64 mi14:10:072:54:319:2231:06
10:01
#21056
20M
20.00 mi14:22:563:07:209:2212:49
9:26
#20853
21M
21.00 mi14:33:233:17:479:2510:27
10:27
#20755
35K
21.75 mi14:40:383:25:029:267:15
9:41
#20728
23M
23.00 mi14:52:483:37:129:2712:10
9:43
#20600
24M
24.00 mi15:02:303:46:549:279:42
9:42
#20575
40K
24.85 mi15:10:173:54:419:277:47
9:06
#20430
25.2M
25.20 mi15:13:403:58:049:273:23
9:49
#20377
Finish
26.22 mi15:22:424:07:069:269:02
8:52
#20279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221238938893821476(Top 81%)8485(Top 74%)8485(Top 174%)
10K6.21 mi3.10 mi21694+4298684+2548684+25421147(Top 79%)8351(Top 73%)8351(Top 171%)
15K9.32 mi3.11 mi21619+758625+598625+5921476(Top 81%)8485(Top 74%)8485(Top 174%)
20K12.43 mi3.11 mi21317+3028442+1838442+18320334(Top 76%)7862(Top 69%)7862(Top 161%)
Half13.11 mi0.68 mi21290+278426+168426+1620809(Top 78%)8133(Top 71%)8133(Top 167%)
25K15.53 mi2.42 mi21072+2188303+1238303+12319944(Top 75%)7659(Top 67%)7659(Top 157%)
30K18.64 mi3.11 mi21056+168316-138316-1321058(Top 79%)8377(Top 73%)8377(Top 172%)
20M20.00 mi1.36 mi20853+2038209+1078209+10718614(Top 70%)7093(Top 62%)7093(Top 145%)
21M21.00 mi1.00 mi20755+988165+448165+4419454(Top 73%)7617(Top 67%)7617(Top 156%)
35K21.75 mi0.75 mi20728+278165816520460(Top 77%)8202(Top 72%)8202(Top 168%)
23M23.00 mi1.25 mi20600+1288105+608105+6019156(Top 72%)7504(Top 66%)7504(Top 154%)
24M24.00 mi1.00 mi20575+258104+18104+119915(Top 75%)7927(Top 69%)7927(Top 162%)
40K24.85 mi0.85 mi20430+1458025+798025+7916688(Top 63%)6241(Top 55%)6241(Top 128%)
25.2M25.20 mi0.35 mi20377+538005+208005+2016687(Top 63%)6276(Top 55%)6276(Top 129%)
Finish26.22 mi1.02 mi20279+987961+447961+4417370(Top 65%)6578(Top 58%)6578(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21476

Females

8485

F18-39

8485

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21147

Females

8351

F18-39

8351

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21476

Females

8485

F18-39

8485

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20334

Females

7862

F18-39

7862

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20809

Females

8133

F18-39

8133

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19944

Females

7659

F18-39

7659

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21058

Females

8377

F18-39

8377

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18614

Females

7093

F18-39

7093

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19454

Females

7617

F18-39

7617

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20460

Females

8202

F18-39

8202

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19156

Females

7504

F18-39

7504

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19915

Females

7927

F18-39

7927

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16688

Females

6241

F18-39

6241

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16687

Females

6276

F18-39

6276

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17370

Females

6578

F18-39

6578

Passing Analysis

Category:
Athletes Passed
2383
Passed By
539
Net Change
+1844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22123
5K → 10K534105+429#22123#21694
10K → 15K201126+75#21694#21619
15K → 20K33634+302#21619#21317
20K → Half4215+27#21317#21290
Half → 25K24123+218#21290#21072
25K → 30K155139+16#21072#21056
30K → 20M2074+203#21056#20853
20M → 21M11214+98#20853#20755
21M → 35K5124+27#20755#20728
35K → 23M14012+128#20728#20600
23M → 24M5833+25#20600#20575
24M → 40K1461+145#20575#20430
40K → 25.2M541+53#20430#20377
25.2M → Finish1068+98#20377#20279
TOTALS2383539+1844
📊

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