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BOSTON MARATHON 2023

Hilary Corno

Bib: 170•F

CA

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

Start
0:00:00
Race begins
5K· 3.11 mi
19:52
Rank: #1808
Start → 5K
19:52 | 6:24/mi
10K· 6.21 mi
40:02
Rank: #2211 (-403)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:38
Rank: #2560 (-349)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:22:27
Rank: #3336 (-776)
15K → 20K
21:49 | 7:01/mi
Half· 13.11 mi
1:27:01
Rank: #3375 (-39)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:43
Rank: #3572 (-197)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:05:26
Rank: #3682 (-110)
25K → 30K
21:43 | 6:59/mi
20M
2:15:02
Rank: #3715 (-33)
30K → 20M
9:36 | 7:04/mi
21M
2:22:33
Rank: #3762 (-47)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:27:35
Rank: #3747 (+15)
21M → 35K
5:02 | 6:44/mi
23M
2:36:31
Rank: #3797 (-50)
35K → 23M
8:56 | 7:08/mi
24M
2:43:33
Rank: #3861 (-64)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:49:39
Rank: #3902 (-41)
24M → 40K
6:06 | 7:08/mi
25.2M
2:52:23
Rank: #3951 (-49)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:59:38
Rank: #4089 (-138)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:01
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:32:37
Pace7:04 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:06:5219:526:2419:52
6:24
-
10K
6.21 mi10:27:0240:026:2720:10
6:29
+0:05
15K
9.32 mi10:47:381:00:386:3020:36
6:38
+0:09
20K
12.43 mi11:09:271:22:276:3821:49
7:01
+0:23
Half
13.11 mi11:14:011:27:016:384:34
6:42
-0:19
25K
15.53 mi11:30:431:43:436:4116:42
6:53
+0:11
30K
18.64 mi11:52:262:05:266:4421:43
6:59
+0:06
20M
20.00 mi12:02:022:15:026:459:36
7:04
+0:05
21M
21.00 mi12:09:332:22:336:477:31
7:31
+0:27
35K
21.75 mi12:14:352:27:356:475:02
6:44
-0:47
23M
23.00 mi12:23:312:36:316:488:56
7:08
+0:24
24M
24.00 mi12:30:332:43:336:497:02
7:02
-0:06
40K
24.85 mi12:36:392:49:396:506:06
7:08
+0:06
25.2M
25.20 mi12:39:232:52:236:502:44
7:56
+0:48
Finish
26.22 mi12:46:382:59:386:517:15
7:07
-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

6:24 /mi

Average Pace

6:51 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

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

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 mi10:06:5219:526:2419:52
6:24
#1808
10K
6.21 mi10:27:0240:026:2720:10
6:29
#2211
15K
9.32 mi10:47:381:00:386:3020:36
6:38
#2560
20K
12.43 mi11:09:271:22:276:3821:49
7:01
#3336
Half
13.11 mi11:14:011:27:016:384:34
6:42
#3375
25K
15.53 mi11:30:431:43:436:4116:42
6:53
#3572
30K
18.64 mi11:52:262:05:266:4421:43
6:59
#3682
20M
20.00 mi12:02:022:15:026:459:36
7:04
#3715
21M
21.00 mi12:09:332:22:336:477:31
7:31
#3762
35K
21.75 mi12:14:352:27:356:475:02
6:44
#3747
23M
23.00 mi12:23:312:36:316:488:56
7:08
#3797
24M
24.00 mi12:30:332:43:336:497:02
7:02
#3861
40K
24.85 mi12:36:392:49:396:506:06
7:08
#3902
25.2M
25.20 mi12:39:232:52:236:502:44
7:56
#3951
Finish
26.22 mi12:46:382:59:386:517:15
7:07
#4089
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180883833559(Top 13%)192(Top 2%)192(Top 11%)
10K6.21 mi3.10 mi2211-40394-1194-112747(Top 10%)118(Top 1%)118(Top 6%)
15K9.32 mi3.11 mi2560-349111-17111-173559(Top 13%)192(Top 2%)192(Top 11%)
20K12.43 mi3.11 mi3336-776163-52163-526122(Top 23%)550(Top 5%)550(Top 30%)
Half13.11 mi0.68 mi3375-39168-5168-54374(Top 16%)283(Top 2%)283(Top 16%)
25K15.53 mi2.42 mi3572-197187-19187-194888(Top 18%)359(Top 3%)359(Top 20%)
30K18.64 mi3.11 mi3682-110200-13200-134296(Top 16%)297(Top 3%)297(Top 16%)
20M20.00 mi1.36 mi3715-33205-5205-54429(Top 17%)350(Top 3%)350(Top 19%)
21M21.00 mi1.00 mi3762-47214-9214-94683(Top 18%)434(Top 4%)434(Top 24%)
35K21.75 mi0.75 mi3747+15212+2212+23777(Top 14%)287(Top 3%)287(Top 16%)
23M23.00 mi1.25 mi3797-50220-8220-84501(Top 17%)412(Top 4%)412(Top 23%)
24M24.00 mi1.00 mi3861-64232-12232-124853(Top 18%)528(Top 5%)528(Top 29%)
40K24.85 mi0.85 mi3902-41243-11243-114571(Top 17%)521(Top 5%)521(Top 29%)
25.2M25.20 mi0.35 mi3951-49250-7250-76117(Top 23%)1067(Top 9%)1067(Top 59%)
Finish26.22 mi1.02 mi4089-138261-11261-115914(Top 22%)1033(Top 9%)1033(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3559

Females

192

F45-49

192

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2747

Females

118

F45-49

118

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3559

Females

192

F45-49

192

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6122

Females

550

F45-49

550

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4374

Females

283

F45-49

283

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4888

Females

359

F45-49

359

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4296

Females

297

F45-49

297

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4429

Females

350

F45-49

350

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4683

Females

434

F45-49

434

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3777

Females

287

F45-49

287

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4501

Females

412

F45-49

412

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+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%
×2stories
+22ft-21ft

Overall

5914

Females

1033

F45-49

1033

Passing Analysis

Category:
Athletes Passed
403
Passed By
2684
Net Change
-2281
SegmentAthletes PassedPassed 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 Visuals

Category:
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🔥Passing Intensity

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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