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BOSTON MARATHON 2023

Hilary Corno

CA

Bib: 170 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Female)
#0 / 11423
Top 2%
Masters (Masters Women)
#0 / 6539
Top 0.7%
Division (F45-49)
#0 / 1817
Top 0.5%
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
6:24/mi
19:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:29/mi
40:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:38/mi
1:00:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:01/mi
1:22:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:42/mi
1:27:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:53/mi
1:43:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:59/mi
2:05:26
↑ 181↓ 1480.2%
138 ft elev
20M
7:04/mi
2:15:02
↑ 64↓ 500.2%
148 ft elev
21M
7:31/mi
2:22:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:44/mi
2:27:35
↑ 17↓ 861.7%
156 ft elev
23M
7:08/mi
2:36:31
↑ 23↓ 630.6%
116 ft elev
24M
7:02/mi
2:43:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:08/mi
2:49:39
↓ 200.3%
20 ft elev
25.2M
7:56/mi
2:52:23
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:07/mi
2:59:38
↑ 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
1:27:016:38 /mi⚡ faster
2nd Half
1:32:377:04 /mi+6.4%
Positive split — 6.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:526:243.11 mi19:52
6:24
-
10K
40:026:273.10 mi20:10
6:29
+0:05
15K
1:00:386:303.11 mi20:36
6:38
+0:09
20K
1:22:276:383.11 mi21:49
7:01
+0:23
Half(13.11 mi)
1:27:016:380.68 mi4:34
6:42
-0:19
25K
1:43:436:412.42 mi16:42
6:53
+0:11
30K
2:05:266:443.11 mi21:43
6:59
+0:06
20M
2:15:026:451.36 mi9:36
7:04
+0:05
21M
2:22:336:471.00 mi7:31
7:31
+0:27
35K
2:27:356:470.75 mi5:02
6:44
-0:47
23M
2:36:316:481.25 mi8:56
7:08
+0:24
24M
2:43:336:491.00 mi7:02
7:02
-0:06
40K
2:49:396:500.85 mi6:06
7:08
+0:06
25.2M
2:52:236:500.35 mi2:44
7:56
+0:48
Finish(26.22 mi)
2:59:386:511.02 mi7:15
7:07
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:24 /mi

Average Pace

6:51 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:10:14

39% of race

Time at Steady Pace

1:39:09

55% of race

Time at Slower Pace

10:15

6% of race

Average Pace: 6:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi180883833559192192
10K3.10 mi2211-40394-1194-112747118118
15K3.11 mi2560-349111-17111-173559192192
20K3.11 mi3336-776163-52163-526122550550
Half(13.11 mi)0.68 mi3375-39168-5168-54374283283
25K2.42 mi3572-197187-19187-194888359359
30K3.11 mi3682-110200-13200-134296297297
20M1.36 mi3715-33205-5205-54429350350
21M1.00 mi3762-47214-9214-94683434434
35K0.75 mi3747+15212+2212+23777287287
23M1.25 mi3797-50220-8220-84501412412
24M1.00 mi3861-64232-12232-124853528528
40K0.85 mi3902-41243-11243-114571521521
25.2M0.35 mi3951-49250-7250-7611710671067
Finish(26.22 mi)1.02 mi4089-138261-11261-11591410331033

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3559

Females

192

F45-49

192

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2747

Females

118

F45-49

118

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3559

Females

192

F45-49

192

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6122

Females

550

F45-49

550

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4374

Females

283

F45-49

283

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4888

Females

359

F45-49

359

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4296

Females

297

F45-49

297

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4429

Females

350

F45-49

350

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4683

Females

434

F45-49

434

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3777

Females

287

F45-49

287

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4501

Females

412

F45-49

412

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4853

Females

528

F45-49

528

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4571

Females

521

F45-49

521

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6117

Females

1067

F45-49

1067

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5914

Females

1033

F45-49

1033

Passing Analysis

Category:
Passed
403
Passed By
2684
Net Change
-2281
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1808
5K → 10K14417-403#1808#2211
10K → 15K10359-349#2211#2560
15K → 20K3779-776#2560#3336
20K → Half443-39#3336#3375
Half → 25K28225-197#3375#3572
25K → 30K68178-110#3572#3682
30K → 20M4982-33#3682#3715
20M → 21M4289-47#3715#3762
21M → 35K3419+15#3762#3747
35K → 23M50100-50#3747#3797
23M → 24M3397-64#3797#3861
24M → 40K4081-41#3861#3902
40K → 25.2M1463-49#3902#3951
25.2M → Finish14152-138#3951#4089
TOTALS4032684-2281

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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