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BOSTON MARATHON 2023

Kathleen Hirsch

Bib: 9596•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Female)
#0 / 11423
Top 4%
Masters (Masters Women)
#0 / 6539
Top 1%
Division (F40-44)
#0 / 1878
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:14
Rank: #7231
Start → 5K
22:14 | 7:09/mi
10K· 6.21 mi
43:58
Rank: #6958 (+273)
5K → 10K
21:44 | 7:00/mi
15K· 9.32 mi
1:05:44
Rank: #6793 (+165)
10K → 15K
21:46 | 7:00/mi
20K· 12.43 mi
1:27:19
Rank: #6495 (+298)
15K → 20K
21:35 | 6:57/mi
Half· 13.11 mi
1:32:03
Rank: #6471 (+24)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:49:11
Rank: #6386 (+85)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:11:20
Rank: #6099 (+287)
25K → 30K
22:09 | 7:08/mi
20M
2:20:48
Rank: #5894 (+205)
30K → 20M
9:28 | 6:58/mi
21M
2:28:16
Rank: #5767 (+127)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:33:27
Rank: #5723 (+44)
21M → 35K
5:11 | 6:56/mi
23M
2:42:25
Rank: #5597 (+126)
35K → 23M
8:58 | 7:10/mi
24M
2:49:28
Rank: #5522 (+75)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:55:29
Rank: #5418 (+104)
24M → 40K
6:01 | 7:02/mi
25.2M
2:58:03
Rank: #5349 (+69)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:04:52
Rank: #5229 (+120)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:03
Pace7:01 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:49
Pace7:05 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5022:147:0922:14
7:09
-
10K
6.21 mi11:09:3443:587:0521:44
7:00
-0:09
15K
9.32 mi11:31:201:05:447:0321:46
7:00
0:00
20K
12.43 mi11:52:551:27:197:0221:35
6:57
-0:03
Half
13.11 mi11:57:391:32:037:014:44
6:56
-0:01
25K
15.53 mi12:14:471:49:117:0217:08
7:04
+0:08
30K
18.64 mi12:36:562:11:207:0322:09
7:08
+0:04
20M
20.00 mi12:46:242:20:487:029:28
6:58
-0:10
21M
21.00 mi12:53:522:28:167:047:28
7:28
+0:30
35K
21.75 mi12:59:032:33:277:035:11
6:56
-0:32
23M
23.00 mi13:08:012:42:257:048:58
7:10
+0:14
24M
24.00 mi13:15:042:49:287:047:03
7:03
-0:07
40K
24.85 mi13:21:052:55:297:046:01
7:02
-0:01
25.2M
25.20 mi13:23:392:58:037:042:34
7:27
+0:25
Finish
26.22 mi13:30:283:04:527:036:49
6:41
-0:46

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

6:41 /mi

Average Pace

7:03 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:50

95% of race

Time at Steady Pace

10:02

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi10:47:5022:147:0922:14
7:09
#7231
10K
6.21 mi11:09:3443:587:0521:44
7:00
#6958
15K
9.32 mi11:31:201:05:447:0321:46
7:00
#6793
20K
12.43 mi11:52:551:27:197:0221:35
6:57
#6495
Half
13.11 mi11:57:391:32:037:014:44
6:56
#6471
25K
15.53 mi12:14:471:49:117:0217:08
7:04
#6386
30K
18.64 mi12:36:562:11:207:0322:09
7:08
#6099
20M
20.00 mi12:46:242:20:487:029:28
6:58
#5894
21M
21.00 mi12:53:522:28:167:047:28
7:28
#5767
35K
21.75 mi12:59:032:33:277:035:11
6:56
#5723
23M
23.00 mi13:08:012:42:257:048:58
7:10
#5597
24M
24.00 mi13:15:042:49:287:047:03
7:03
#5522
40K
24.85 mi13:21:052:55:297:046:01
7:02
#5418
25.2M
25.20 mi13:23:392:58:037:042:34
7:27
#5349
Finish
26.22 mi13:30:283:04:527:036:49
6:41
#5229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi72317747746598(Top 25%)652(Top 6%)652(Top 35%)
10K6.21 mi3.10 mi6958+273716+58716+586800(Top 26%)700(Top 6%)700(Top 37%)
15K9.32 mi3.11 mi6793+165683+33683+336598(Top 25%)652(Top 6%)652(Top 35%)
20K12.43 mi3.11 mi6495+298627+56627+565662(Top 21%)458(Top 4%)458(Top 24%)
Half13.11 mi0.68 mi6471+24623+4623+46254(Top 23%)554(Top 5%)554(Top 29%)
25K15.53 mi2.42 mi6386+85609+14609+145949(Top 22%)533(Top 5%)533(Top 28%)
30K18.64 mi3.11 mi6099+287553+56553+565094(Top 19%)413(Top 4%)413(Top 22%)
20M20.00 mi1.36 mi5894+205511+42511+423854(Top 14%)267(Top 2%)267(Top 14%)
21M21.00 mi1.00 mi5767+127497+14497+144447(Top 17%)389(Top 3%)389(Top 21%)
35K21.75 mi0.75 mi5723+44488+9488+94982(Top 19%)497(Top 4%)497(Top 26%)
23M23.00 mi1.25 mi5597+126475+13475+134625(Top 17%)445(Top 4%)445(Top 24%)
24M24.00 mi1.00 mi5522+75476-1476-14946(Top 19%)556(Top 5%)556(Top 30%)
40K24.85 mi0.85 mi5418+104467+9467+94070(Top 15%)423(Top 4%)423(Top 23%)
25.2M25.20 mi0.35 mi5349+69461+6461+63706(Top 14%)384(Top 3%)384(Top 20%)
Finish26.22 mi1.02 mi5229+120441+20441+203493(Top 13%)363(Top 3%)363(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6598

Females

652

F40-44

652

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6800

Females

700

F40-44

700

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6598

Females

652

F40-44

652

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5662

Females

458

F40-44

458

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6254

Females

554

F40-44

554

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5949

Females

533

F40-44

533

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5094

Females

413

F40-44

413

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3854

Females

267

F40-44

267

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4447

Females

389

F40-44

389

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4982

Females

497

F40-44

497

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4625

Females

445

F40-44

445

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4946

Females

556

F40-44

556

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4070

Females

423

F40-44

423

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3706

Females

384

F40-44

384

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3493

Females

363

F40-44

363

Passing Analysis

Category:
Athletes Passed
2282
Passed By
280
Net Change
+2002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7231
5K → 10K37198+273#7231#6958
10K → 15K22257+165#6958#6793
15K → 20K30911+298#6793#6495
20K → Half339+24#6495#6471
Half → 25K11631+85#6471#6386
25K → 30K30316+287#6386#6099
30K → 20M2061+205#6099#5894
20M → 21M13710+127#5894#5767
21M → 35K539+44#5767#5723
35K → 23M13913+126#5723#5597
23M → 24M8914+75#5597#5522
24M → 40K1084+104#5522#5418
40K → 25.2M723+69#5418#5349
25.2M → Finish1244+120#5349#5229
TOTALS2282280+2002
📊

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