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BOSTON MARATHON 2023

Jill Mccarthy

Bib: 19739•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #14800
Start → 5K
8:07/mi
25:12 split
10K· 6.21 mi
49:54
Rank: #14601 (+199)
5K → 10K
7:57/mi
24:42 split
15K· 9.32 mi
1:14:52
Rank: #14594 (+7)
10K → 15K
8:02/mi
24:58 split
20K· 12.43 mi
1:40:14
Rank: #14610 (-16)
15K → 20K
8:10/mi
25:22 split
Half· 13.11 mi
1:45:36
Rank: #14548 (+62)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:04:53
Rank: #14192 (+356)
Half → 25K
7:57/mi
19:17 split
30K· 18.64 mi
2:30:27
Rank: #13857 (+335)
25K → 30K
8:14/mi
25:34 split
20M
2:41:42
Rank: #13707 (+150)
30K → 20M
8:17/mi
11:15 split
21M
2:50:26
Rank: #13573 (+134)
20M → 21M
8:44/mi
8:44 split
35K· 21.75 mi
2:56:24
Rank: #13498 (+75)
21M → 35K
7:59/mi
5:58 split
23M
3:06:42
Rank: #13336 (+162)
35K → 23M
8:14/mi
10:18 split
24M
3:14:36
Rank: #13180 (+156)
23M → 24M
7:54/mi
7:54 split
40K· 24.85 mi
3:21:29
Rank: #13053 (+127)
24M → 40K
8:03/mi
6:53 split
25.2M
3:24:32
Rank: #13027 (+26)
40K → 25.2M
8:51/mi
3:03 split
Finish· 26.22 mi
3:32:30
Rank: #12935 (+92)
25.2M → Finish
7:49/mi
7:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:46:54
Pace8:09 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0825:128:0725:12
8:07
-
10K
6.21 mi11:41:5049:548:0224:42
7:57
-0:10
15K
9.32 mi12:06:481:14:528:0224:58
8:02
+0:05
20K
12.43 mi12:32:101:40:148:0425:22
8:10
+0:08
Half
13.11 mi12:37:321:45:368:035:22
7:52
-0:18
25K
15.53 mi12:56:492:04:538:0219:17
7:57
+0:05
30K
18.64 mi13:22:232:30:278:0425:34
8:14
+0:17
20M
20.00 mi13:33:382:41:428:0511:15
8:17
+0:03
21M
21.00 mi13:42:222:50:268:078:44
8:44
+0:27
35K
21.75 mi13:48:202:56:248:075:58
7:59
-0:45
23M
23.00 mi13:58:383:06:428:0710:18
8:14
+0:15
24M
24.00 mi14:06:323:14:368:077:54
7:54
-0:20
40K
24.85 mi14:13:253:21:298:066:53
8:03
+0:09
25.2M
25.20 mi14:16:283:24:328:073:03
8:51
+0:48
Finish
26.22 mi14:24:263:32:308:077:58
7:49
-1:02

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

7:49 /mi

Average Pace

8:07 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:43

94% of race

Time at Steady Pace

11:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:17:0825:128:0725:12
8:07
#14800
10K
6.21 mi11:41:5049:548:0224:42
7:57
#14601
15K
9.32 mi12:06:481:14:528:0224:58
8:02
#14594
20K
12.43 mi12:32:101:40:148:0425:22
8:10
#14610
Half
13.11 mi12:37:321:45:368:035:22
7:52
#14548
25K
15.53 mi12:56:492:04:538:0219:17
7:57
#14192
30K
18.64 mi13:22:232:30:278:0425:34
8:14
#13857
20M
20.00 mi13:33:382:41:428:0511:15
8:17
#13707
21M
21.00 mi13:42:222:50:268:078:44
8:44
#13573
35K
21.75 mi13:48:202:56:248:075:58
7:59
#13498
23M
23.00 mi13:58:383:06:428:0710:18
8:14
#13336
24M
24.00 mi14:06:323:14:368:077:54
7:54
#13180
40K
24.85 mi14:13:253:21:298:066:53
8:03
#13053
25.2M
25.20 mi14:16:283:24:328:073:03
8:51
#13027
Finish
26.22 mi14:24:263:32:308:077:58
7:49
#12935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi148004514451414697(Top 55%)4502(Top 39%)4502(Top 240%)
10K6.21 mi3.10 mi14601+1994404+1104404+11014415(Top 54%)4310(Top 38%)4310(Top 229%)
15K9.32 mi3.11 mi14594+74407-34407-314697(Top 55%)4502(Top 39%)4502(Top 240%)
20K12.43 mi3.11 mi14610-164436-294436-2914704(Top 55%)4525(Top 40%)4525(Top 241%)
Half13.11 mi0.68 mi14548+624393+434393+4313365(Top 50%)3714(Top 33%)3714(Top 198%)
25K15.53 mi2.42 mi14192+3564226+1674226+16712362(Top 46%)3290(Top 29%)3290(Top 175%)
30K18.64 mi3.11 mi13857+3354049+1774049+17712543(Top 47%)3489(Top 31%)3489(Top 186%)
20M20.00 mi1.36 mi13707+1503980+693980+6912240(Top 46%)3422(Top 30%)3422(Top 182%)
21M21.00 mi1.00 mi13573+1343920+603920+6011903(Top 45%)3350(Top 29%)3350(Top 178%)
35K21.75 mi0.75 mi13498+753885+353885+3511992(Top 45%)3428(Top 30%)3428(Top 183%)
23M23.00 mi1.25 mi13336+1623816+693816+6911403(Top 43%)3218(Top 28%)3218(Top 171%)
24M24.00 mi1.00 mi13180+1563757+593757+5910573(Top 40%)2880(Top 25%)2880(Top 153%)
40K24.85 mi0.85 mi13053+1273706+513706+5110418(Top 39%)2860(Top 25%)2860(Top 152%)
25.2M25.20 mi0.35 mi13027+263701+53701+511654(Top 44%)3550(Top 31%)3550(Top 189%)
Finish26.22 mi1.02 mi12935+923665+363665+3610841(Top 41%)3115(Top 27%)3115(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14697

Females

4502

F40-44

4502

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14415

Females

4310

F40-44

4310

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14697

Females

4502

F40-44

4502

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14704

Females

4525

F40-44

4525

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13365

Females

3714

F40-44

3714

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12362

Females

3290

F40-44

3290

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12543

Females

3489

F40-44

3489

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12240

Females

3422

F40-44

3422

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11903

Females

3350

F40-44

3350

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11992

Females

3428

F40-44

3428

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11403

Females

3218

F40-44

3218

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10573

Females

2880

F40-44

2880

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10418

Females

2860

F40-44

2860

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11654

Females

3550

F40-44

3550

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10841

Females

3115

F40-44

3115

Passing Analysis

Category:
Athletes Passed
2665
Passed By
800
Net Change
+1865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14800
5K → 10K395196+199#14800#14601
10K → 15K197190+7#14601#14594
15K → 20K185201-16#14594#14610
20K → Half7210+62#14610#14548
Half → 25K3637+356#14548#14192
25K → 30K38954+335#14192#13857
30K → 20M17424+150#13857#13707
20M → 21M16127+134#13707#13573
21M → 35K9823+75#13573#13498
35K → 23M18422+162#13498#13336
23M → 24M17216+156#13336#13180
24M → 40K1325+127#13180#13053
40K → 25.2M3711+26#13053#13027
25.2M → Finish10614+92#13027#12935
TOTALS2665800+1865
📊

Passing Visuals

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