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BOSTON MARATHON 2023

Catherine Mcclure

Bib: 9540•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5613
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
43:16
Rank: #6307 (-694)
5K → 10K
21:49 | 7:01/mi
15K· 9.32 mi
1:05:26
Rank: #6633 (-326)
10K → 15K
22:10 | 7:08/mi
20K· 12.43 mi
1:28:14
Rank: #6941 (-308)
15K → 20K
22:48 | 7:20/mi
Half· 13.11 mi
1:33:08
Rank: #6968 (-27)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:51:34
Rank: #7269 (-301)
Half → 25K
18:26 | 7:36/mi
30K· 18.64 mi
2:16:28
Rank: #7788 (-519)
25K → 30K
24:54 | 8:01/mi
20M
2:27:41
Rank: #8052 (-264)
30K → 20M
11:13 | 8:15/mi
21M
2:36:35
Rank: #8315 (-263)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:42:29
Rank: #8431 (-116)
21M → 35K
5:54 | 7:53/mi
23M
2:53:21
Rank: #8766 (-335)
35K → 23M
10:52 | 8:41/mi
24M
3:01:35
Rank: #8912 (-146)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:08:45
Rank: #9036 (-124)
24M → 40K
7:10 | 8:23/mi
25.2M
3:11:47
Rank: #9059 (-23)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:19:37
Rank: #9080 (-21)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5521:276:5421:27
6:54
-
10K
6.21 mi11:08:4443:166:5821:49
7:01
+0:07
15K
9.32 mi11:30:541:05:267:0122:10
7:08
+0:07
20K
12.43 mi11:53:421:28:147:0622:48
7:20
+0:12
Half
13.11 mi11:58:361:33:087:064:54
7:11
-0:09
25K
15.53 mi12:17:021:51:347:1118:26
7:36
+0:25
30K
18.64 mi12:41:562:16:287:1924:54
8:01
+0:25
20M
20.00 mi12:53:092:27:417:2311:13
8:15
+0:14
21M
21.00 mi13:02:032:36:357:278:54
8:54
+0:39
35K
21.75 mi13:07:572:42:297:285:54
7:53
-1:01
23M
23.00 mi13:18:492:53:217:3210:52
8:41
+0:48
24M
24.00 mi13:27:033:01:357:348:14
8:14
-0:27
40K
24.85 mi13:34:133:08:457:367:10
8:23
+0:09
25.2M
25.20 mi13:37:153:11:477:373:02
8:48
+0:25
Finish
26.22 mi13:45:053:19:377:377:50
7:41
-1:07

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

6:54 /mi

Average Pace

7:37 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:08

47% of race

Time at Steady Pace

57:04

29% of race

Time at Slower Pace

49:25

25% of race

Average Pace: 7:37 /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 mi10:46:5521:276:5421:27
6:54
#5613
10K
6.21 mi11:08:4443:166:5821:49
7:01
#6307
15K
9.32 mi11:30:541:05:267:0122:10
7:08
#6633
20K
12.43 mi11:53:421:28:147:0622:48
7:20
#6941
Half
13.11 mi11:58:361:33:087:064:54
7:11
#6968
25K
15.53 mi12:17:021:51:347:1118:26
7:36
#7269
30K
18.64 mi12:41:562:16:287:1924:54
8:01
#7788
20M
20.00 mi12:53:092:27:417:2311:13
8:15
#8052
21M
21.00 mi13:02:032:36:357:278:54
8:54
#8315
35K
21.75 mi13:07:572:42:297:285:54
7:53
#8431
23M
23.00 mi13:18:492:53:217:3210:52
8:41
#8766
24M
24.00 mi13:27:033:01:357:348:14
8:14
#8912
40K
24.85 mi13:34:133:08:457:367:10
8:23
#9036
25.2M
25.20 mi13:37:153:11:477:373:02
8:48
#9059
Finish
26.22 mi13:45:053:19:377:377:50
7:41
#9080
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi56134414417385(Top 28%)858(Top 8%)858(Top 18%)
10K6.21 mi3.10 mi6307-694582-141582-1416987(Top 26%)748(Top 7%)748(Top 15%)
15K9.32 mi3.11 mi6633-326647-65647-657385(Top 28%)858(Top 8%)858(Top 18%)
20K12.43 mi3.11 mi6941-308726-79726-798090(Top 30%)1136(Top 10%)1136(Top 23%)
Half13.11 mi0.68 mi6968-27734-8734-87816(Top 29%)1036(Top 9%)1036(Top 21%)
25K15.53 mi2.42 mi7269-301831-97831-979574(Top 36%)1812(Top 16%)1812(Top 37%)
30K18.64 mi3.11 mi7788-5191041-2101041-21011015(Top 41%)2643(Top 23%)2643(Top 54%)
20M20.00 mi1.36 mi8052-2641153-1121153-11212049(Top 45%)3297(Top 29%)3297(Top 68%)
21M21.00 mi1.00 mi8315-2631274-1211274-12112847(Top 48%)3855(Top 34%)3855(Top 79%)
35K21.75 mi0.75 mi8431-1161324-501324-5011304(Top 42%)3011(Top 26%)3011(Top 62%)
23M23.00 mi1.25 mi8766-3351474-1501474-15014245(Top 54%)4745(Top 42%)4745(Top 97%)
24M24.00 mi1.00 mi8912-1461562-881562-8812828(Top 48%)4027(Top 35%)4027(Top 82%)
40K24.85 mi0.85 mi9036-1241622-601622-6012587(Top 47%)3979(Top 35%)3979(Top 81%)
25.2M25.20 mi0.35 mi9059-231644-221644-2211330(Top 43%)3342(Top 29%)3342(Top 68%)
Finish26.22 mi1.02 mi9080-211683-391683-399908(Top 37%)2655(Top 23%)2655(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7385

Females

858

F18-39

858

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6987

Females

748

F18-39

748

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7385

Females

858

F18-39

858

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8090

Females

1136

F18-39

1136

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7816

Females

1036

F18-39

1036

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9574

Females

1812

F18-39

1812

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11015

Females

2643

F18-39

2643

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12049

Females

3297

F18-39

3297

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12847

Females

3855

F18-39

3855

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11304

Females

3011

F18-39

3011

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14245

Females

4745

F18-39

4745

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12828

Females

4027

F18-39

4027

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12587

Females

3979

F18-39

3979

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11330

Females

3342

F18-39

3342

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9908

Females

2655

F18-39

2655

Passing Analysis

Category:
Athletes Passed
369
Passed By
3836
Net Change
-3467
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5613
5K → 10K24718-694#5613#6307
10K → 15K37363-326#6307#6633
15K → 20K33341-308#6633#6941
20K → Half936-27#6941#6968
Half → 25K20321-301#6968#7269
25K → 30K40559-519#7269#7788
30K → 20M20284-264#7788#8052
20M → 21M13276-263#8052#8315
21M → 35K19135-116#8315#8431
35K → 23M17352-335#8431#8766
23M → 24M36182-146#8766#8912
24M → 40K23147-124#8912#9036
40K → 25.2M1639-23#9036#9059
25.2M → Finish6283-21#9059#9080
TOTALS3693836-3467
📊

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