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BOSTON MARATHON 2023

Isabel Canepa

TX

Bib: 21656 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F45-49)
#0 / 1817
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:13/mi
25:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:09/mi
50:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:13/mi
1:16:23
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:18/mi
1:42:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:11/mi
1:47:45
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:20/mi
2:07:57
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:42/mi
2:34:58
↑ 181↓ 1480.2%
138 ft elev
20M
8:21/mi
2:46:19
↑ 64↓ 500.2%
148 ft elev
21M
9:12/mi
2:55:31
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:04/mi
3:01:33
↑ 17↓ 861.7%
156 ft elev
23M
8:28/mi
3:12:09
↑ 23↓ 630.6%
116 ft elev
24M
8:06/mi
3:20:15
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:18/mi
3:27:21
↓ 200.3%
20 ft elev
25.2M
9:34/mi
3:30:39
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:36/mi
3:39:25
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:47:458:13 /mi⚡ faster
2nd Half
1:51:408:31 /mi+3.6%
Positive split — 3.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0025:328:1325:32
8:13
-
10K
6.21 mi11:44:2050:528:1125:20
8:09
-0:04
15K
9.32 mi12:09:511:16:238:1225:31
8:13
+0:04
20K
12.43 mi12:35:381:42:108:1325:47
8:18
+0:05
Half
13.11 mi12:41:131:47:458:135:35
8:11
-0:07
25K
15.53 mi13:01:252:07:578:1420:12
8:20
+0:09
30K
18.64 mi13:28:262:34:588:1927:01
8:42
+0:22
20M
20.00 mi13:39:472:46:198:1911:21
8:21
-0:21
21M
21.00 mi13:48:592:55:318:219:12
9:12
+0:51
35K
21.75 mi13:55:013:01:338:216:02
8:04
-1:08
23M
23.00 mi14:05:373:12:098:2110:36
8:28
+0:24
24M
24.00 mi14:13:433:20:158:218:06
8:06
-0:22
40K
24.85 mi14:20:493:27:218:217:06
8:18
+0:12
25.2M
25.20 mi14:24:073:30:398:223:18
9:34
+1:16
Finish
26.22 mi14:32:533:39:258:228:46
8:36
-0:58

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

8:04 /mi

Average Pace

8:22 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:26:55

94% of race

Time at Steady Pace

9:12

4% of race

Time at Slower Pace

3:18

2% of race

Average Pace: 8:22 /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 mi11:19:0025:328:1325:32
8:13
#15601
10K
6.21 mi11:44:2050:528:1125:20
8:09
#15725
15K
9.32 mi12:09:511:16:238:1225:31
8:13
#15793
20K
12.43 mi12:35:381:42:108:1325:47
8:18
#15721
Half
13.11 mi12:41:131:47:458:135:35
8:11
#15708
25K
15.53 mi13:01:252:07:578:1420:12
8:20
#15596
30K
18.64 mi13:28:262:34:588:1927:01
8:42
#15568
20M
20.00 mi13:39:472:46:198:1911:21
8:21
#15337
21M
21.00 mi13:48:592:55:318:219:12
9:12
#15258
35K
21.75 mi13:55:013:01:338:216:02
8:04
#15162
23M
23.00 mi14:05:373:12:098:2110:36
8:28
#15013
24M
24.00 mi14:13:433:20:158:218:06
8:06
#14867
40K
24.85 mi14:20:493:27:218:217:06
8:18
#14727
25.2M
25.20 mi14:24:073:30:398:223:18
9:34
#14743
Finish
26.22 mi14:32:533:39:258:228:46
8:36
#14787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi15601503850381596052735273
10K6.21 mi3.10 mi15725-1245109-715109-711594552425242
15K9.32 mi3.11 mi15793-685150-415150-411596052735273
20K12.43 mi3.11 mi15721+725129+215129+211560350955095
Half13.11 mi0.68 mi15708+135127+25127+21571251185118
25K15.53 mi2.42 mi15596+1125091+365091+361515249394939
30K18.64 mi3.11 mi15568+285108-175108-171549652165216
20M20.00 mi1.36 mi15337+2314987+1214987+1211275037213721
21M21.00 mi1.00 mi15258+794968+194968+191449947624762
35K21.75 mi0.75 mi15162+964922+464922+461264238033803
23M23.00 mi1.25 mi15013+1494846+764846+761303240954095
24M24.00 mi1.00 mi14867+1464771+754771+751198735883588
40K24.85 mi0.85 mi14727+1404717+544717+541213037553755
25.2M25.20 mi0.35 mi14743-164736-194736-191553855995599
Finish26.22 mi1.02 mi14787-444781-454781-451600758085808

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15960

Females

5273

F45-49

5273

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15945

Females

5242

F45-49

5242

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15960

Females

5273

F45-49

5273

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15603

Females

5095

F45-49

5095

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15712

Females

5118

F45-49

5118

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15152

Females

4939

F45-49

4939

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15496

Females

5216

F45-49

5216

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12750

Females

3721

F45-49

3721

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14499

Females

4762

F45-49

4762

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12642

Females

3803

F45-49

3803

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13032

Females

4095

F45-49

4095

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11987

Females

3588

F45-49

3588

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12130

Females

3755

F45-49

3755

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15538

Females

5599

F45-49

5599

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16007

Females

5808

F45-49

5808

Passing Analysis

Category:
Athletes Passed
2013
Passed By
1199
Net Change
+814
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15601
5K → 10K240364-124#15601#15725
10K → 15K162230-68#15725#15793
15K → 20K214142+72#15793#15721
20K → Half3623+13#15721#15708
Half → 25K18876+112#15708#15596
25K → 30K184156+28#15596#15568
30K → 20M2387+231#15568#15337
20M → 21M12344+79#15337#15258
21M → 35K1026+96#15258#15162
35K → 23M16112+149#15162#15013
23M → 24M1559+146#15013#14867
24M → 40K1466+140#14867#14727
40K → 25.2M2339-16#14727#14743
25.2M → Finish4185-44#14743#14787
TOTALS20131199+814

Passing Charts

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