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BOSTON MARATHON 2023

Hillary Mckay

Bib: 13743•F

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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:41
Rank: #10744
Start → 5K
23:41 | 7:37/mi
10K· 6.21 mi
46:31
Rank: #9894 (+850)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:09:31
Rank: #9676 (+218)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:32:56
Rank: #9637 (+39)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:37:57
Rank: #9602 (+35)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:56:34
Rank: #9687 (-85)
Half → 25K
18:37 | 7:41/mi
30K· 18.64 mi
2:20:06
Rank: #9277 (+410)
25K → 30K
23:32 | 7:34/mi
20M
2:30:15
Rank: #9044 (+233)
30K → 20M
10:09 | 7:28/mi
21M
2:37:47
Rank: #8749 (+295)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:43:10
Rank: #8656 (+93)
21M → 35K
5:23 | 7:12/mi
23M
2:52:25
Rank: #8438 (+218)
35K → 23M
9:15 | 7:23/mi
24M
2:59:31
Rank: #8253 (+185)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
3:05:41
Rank: #8081 (+172)
24M → 40K
6:10 | 7:13/mi
25.2M
3:08:20
Rank: #8006 (+75)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:15:14
Rank: #7803 (+203)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:57
Pace7:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0023:417:3723:41
7:37
-
10K
6.21 mi11:14:5046:317:2922:50
7:21
-0:16
15K
9.32 mi11:37:501:09:317:2823:00
7:24
+0:03
20K
12.43 mi12:01:151:32:567:2923:25
7:32
+0:08
Half
13.11 mi12:06:161:37:577:285:01
7:21
-0:11
25K
15.53 mi12:24:531:56:347:3018:37
7:41
+0:20
30K
18.64 mi12:48:252:20:067:3123:32
7:34
-0:07
20M
20.00 mi12:58:342:30:157:3110:09
7:28
-0:06
21M
21.00 mi13:06:062:37:477:317:32
7:32
+0:04
35K
21.75 mi13:11:292:43:107:305:23
7:12
-0:20
23M
23.00 mi13:20:442:52:257:309:15
7:23
+0:11
24M
24.00 mi13:27:502:59:317:297:06
7:06
-0:17
40K
24.85 mi13:34:003:05:417:286:10
7:13
+0:07
25.2M
25.20 mi13:36:393:08:207:282:39
7:41
+0:28
Finish
26.22 mi13:43:333:15:147:276:54
6:46
-0:55

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

6:46 /mi

Average Pace

7:27 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:39

44% of race

Time at Steady Pace

1:49:35

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:52:0023:417:3723:41
7:37
#10744
10K
6.21 mi11:14:5046:317:2922:50
7:21
#9894
15K
9.32 mi11:37:501:09:317:2823:00
7:24
#9676
20K
12.43 mi12:01:151:32:567:2923:25
7:32
#9637
Half
13.11 mi12:06:161:37:577:285:01
7:21
#9602
25K
15.53 mi12:24:531:56:347:3018:37
7:41
#9687
30K
18.64 mi12:48:252:20:067:3123:32
7:34
#9277
20M
20.00 mi12:58:342:30:157:3110:09
7:28
#9044
21M
21.00 mi13:06:062:37:477:317:32
7:32
#8749
35K
21.75 mi13:11:292:43:107:305:23
7:12
#8656
23M
23.00 mi13:20:442:52:257:309:15
7:23
#8438
24M
24.00 mi13:27:502:59:317:297:06
7:06
#8253
40K
24.85 mi13:34:003:05:417:286:10
7:13
#8081
25.2M
25.20 mi13:36:393:08:207:282:39
7:41
#8006
Finish
26.22 mi13:43:333:15:147:276:54
6:46
#7803
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10744219221929362(Top 35%)1563(Top 14%)1563(Top 32%)
10K6.21 mi3.10 mi9894+8501791+4011791+4019231(Top 35%)1504(Top 13%)1504(Top 31%)
15K9.32 mi3.11 mi9676+2181697+941697+949362(Top 35%)1563(Top 14%)1563(Top 32%)
20K12.43 mi3.11 mi9637+391677+201677+209618(Top 36%)1736(Top 15%)1736(Top 36%)
Half13.11 mi0.68 mi9602+351664+131664+139064(Top 34%)1488(Top 13%)1488(Top 30%)
25K15.53 mi2.42 mi9687-851718-541718-5410140(Top 38%)2052(Top 18%)2052(Top 42%)
30K18.64 mi3.11 mi9277+4101595+1231595+1237770(Top 29%)1206(Top 11%)1206(Top 25%)
20M20.00 mi1.36 mi9044+2331525+701525+706620(Top 25%)899(Top 8%)899(Top 18%)
21M21.00 mi1.00 mi8749+2951423+1021423+1024773(Top 18%)466(Top 4%)466(Top 10%)
35K21.75 mi0.75 mi8656+931404+191404+196548(Top 25%)941(Top 8%)941(Top 19%)
23M23.00 mi1.25 mi8438+2181342+621342+625821(Top 22%)762(Top 7%)762(Top 16%)
24M24.00 mi1.00 mi8253+1851296+461296+465234(Top 20%)643(Top 6%)643(Top 13%)
40K24.85 mi0.85 mi8081+1721253+431253+434999(Top 19%)657(Top 6%)657(Top 13%)
25.2M25.20 mi0.35 mi8006+751238+151238+154888(Top 18%)695(Top 6%)695(Top 14%)
Finish26.22 mi1.02 mi7803+2031178+601178+603948(Top 15%)455(Top 4%)455(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9362

Females

1563

F18-39

1563

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9231

Females

1504

F18-39

1504

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9362

Females

1563

F18-39

1563

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9618

Females

1736

F18-39

1736

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9064

Females

1488

F18-39

1488

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10140

Females

2052

F18-39

2052

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7770

Females

1206

F18-39

1206

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6620

Females

899

F18-39

899

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4773

Females

466

F18-39

466

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6548

Females

941

F18-39

941

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5821

Females

762

F18-39

762

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5234

Females

643

F18-39

643

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4999

Females

657

F18-39

657

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4888

Females

695

F18-39

695

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3948

Females

455

F18-39

455

Passing Analysis

Category:
Athletes Passed
3443*
Passed By
502
Net Change
+2941
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10744
5K → 10K901*51+850#10744#9894
10K → 15K30082+218#9894#9676
15K → 20K165126+39#9676#9637
20K → Half4712+35#9637#9602
Half → 25K100185-85#9602#9687
25K → 30K426*16+410#9687#9277
30K → 20M2363+233#9277#9044
20M → 21M2961+295#9044#8749
21M → 35K985+93#8749#8656
35K → 23M2246+218#8656#8438
23M → 24M1916+185#8438#8253
24M → 40K1764+172#8253#8081
40K → 25.2M783+75#8081#8006
25.2M → Finish2052+203#8006#7803
TOTALS3443*502+2941

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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