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BOSTON MARATHON 2023

Alenka Hirsman

Bib: 30818•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:40
Rank: #22250
Start → 5K
29:40 | 9:33/mi
10K· 6.21 mi
1:00:27
Rank: #22985 (-735)
5K → 10K
30:47 | 9:54/mi
15K· 9.32 mi
1:32:14
Rank: #23357 (-372)
10K → 15K
31:47 | 10:14/mi
20K· 12.43 mi
2:04:53
Rank: #23538 (-181)
15K → 20K
32:39 | 10:31/mi
Half· 13.11 mi
2:11:51
Rank: #23541 (-3)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:38:29
Rank: #23610 (-69)
Half → 25K
26:38 | 10:59/mi
30K· 18.64 mi
3:14:49
Rank: #23708 (-98)
25K → 30K
36:20 | 11:42/mi
20M
3:30:59
Rank: #23757 (-49)
30K → 20M
16:10 | 11:54/mi
21M
3:43:49
Rank: #23777 (-20)
20M → 21M
12:50 | 12:50/mi
35K· 21.75 mi
3:52:07
Rank: #23782 (-5)
21M → 35K
8:18 | 11:06/mi
23M
4:07:34
Rank: #23837 (-55)
35K → 23M
15:27 | 12:20/mi
24M
4:18:27
Rank: #23809 (+28)
23M → 24M
10:53 | 10:53/mi
40K· 24.85 mi
4:28:55
Rank: #23837 (-28)
24M → 40K
10:28 | 12:14/mi
25.2M
4:33:15
Rank: #23829 (+8)
40K → 25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
4:44:31
Rank: #23850 (-21)
25.2M → Finish
11:16 | 11:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:51
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:32:40
Pace11:39 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5429:409:3329:40
9:33
-
10K
6.21 mi12:18:411:00:279:4430:47
9:54
+0:21
15K
9.32 mi12:50:281:32:149:5431:47
10:14
+0:20
20K
12.43 mi13:23:072:04:5310:0332:39
10:31
+0:17
Half
13.11 mi13:30:052:11:5110:036:58
10:13
-0:18
25K
15.53 mi13:56:432:38:2910:1226:38
10:59
+0:46
30K
18.64 mi14:33:033:14:4910:2736:20
11:42
+0:43
20M
20.00 mi14:49:133:30:5910:3316:10
11:54
+0:12
21M
21.00 mi15:02:033:43:4910:3912:50
12:50
+0:56
35K
21.75 mi15:10:213:52:0710:408:18
11:06
-1:44
23M
23.00 mi15:25:484:07:3410:4615:27
12:20
+1:14
24M
24.00 mi15:36:414:18:2710:4610:53
10:53
-1:27
40K
24.85 mi15:47:094:28:5510:4910:28
12:14
+1:21
25.2M
25.20 mi15:51:294:33:1510:514:20
12:34
+0:20
Finish
26.22 mi16:02:454:44:3110:5211:16
11:03
-1:31

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

9:33 /mi

Average Pace

10:52 /mi

Slowest Pace

12:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:51

46% of race

Time at Steady Pace

57:05

20% of race

Time at Slower Pace

1:35:35

34% of race

Average Pace: 10:51 /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 mi11:47:5429:409:3329:40
9:33
#22250
10K
6.21 mi12:18:411:00:279:4430:47
9:54
#22985
15K
9.32 mi12:50:281:32:149:5431:47
10:14
#23357
20K
12.43 mi13:23:072:04:5310:0332:39
10:31
#23538
Half
13.11 mi13:30:052:11:5110:036:58
10:13
#23541
25K
15.53 mi13:56:432:38:2910:1226:38
10:59
#23610
30K
18.64 mi14:33:033:14:4910:2736:20
11:42
#23708
20M
20.00 mi14:49:133:30:5910:3316:10
11:54
#23757
21M
21.00 mi15:02:033:43:4910:3912:50
12:50
#23777
35K
21.75 mi15:10:213:52:0710:408:18
11:06
#23782
23M
23.00 mi15:25:484:07:3410:4615:27
12:20
#23837
24M
24.00 mi15:36:414:18:2710:4610:53
10:53
#23809
40K
24.85 mi15:47:094:28:5510:4910:28
12:14
#23837
25.2M
25.20 mi15:51:294:33:1510:514:20
12:34
#23829
Finish
26.22 mi16:02:454:44:3110:5211:16
11:03
#23850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi222509005900523953(Top 90%)9869(Top 86%)9869(Top 1873%)
10K6.21 mi3.10 mi22985-7359355-3509355-35023513(Top 88%)9633(Top 84%)9633(Top 1828%)
15K9.32 mi3.11 mi23357-3729537-1829537-18223953(Top 90%)9869(Top 86%)9869(Top 1873%)
20K12.43 mi3.11 mi23538-1819631-949631-9423844(Top 90%)9817(Top 86%)9817(Top 1863%)
Half13.11 mi0.68 mi23541-39628+39628+323702(Top 89%)9744(Top 85%)9744(Top 1849%)
25K15.53 mi2.42 mi23610-699679-519679-5123957(Top 90%)9931(Top 87%)9931(Top 1884%)
30K18.64 mi3.11 mi23708-989755-769755-7624123(Top 91%)10082(Top 88%)10082(Top 1913%)
20M20.00 mi1.36 mi23757-499793-389793-3824074(Top 90%)10120(Top 89%)10120(Top 1920%)
21M21.00 mi1.00 mi23777-209816-239816-2323887(Top 90%)10028(Top 88%)10028(Top 1903%)
35K21.75 mi0.75 mi23782-59822-69822-623474(Top 88%)9858(Top 86%)9858(Top 1871%)
23M23.00 mi1.25 mi23837-559863-419863-4124420(Top 92%)10347(Top 91%)10347(Top 1963%)
24M24.00 mi1.00 mi23809+289858+59858+522823(Top 86%)9536(Top 83%)9536(Top 1809%)
40K24.85 mi0.85 mi23837-289877-199877-1924170(Top 91%)10266(Top 90%)10266(Top 1948%)
25.2M25.20 mi0.35 mi23829+89876+19876+123403(Top 88%)9885(Top 87%)9885(Top 1876%)
Finish26.22 mi1.02 mi23850-219894-189894-1824078(Top 90%)10198(Top 89%)10198(Top 1935%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23953

Females

9869

F60-64

9869

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23513

Females

9633

F60-64

9633

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23953

Females

9869

F60-64

9869

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23844

Females

9817

F60-64

9817

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23702

Females

9744

F60-64

9744

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23957

Females

9931

F60-64

9931

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24123

Females

10082

F60-64

10082

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24074

Females

10120

F60-64

10120

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

23887

Females

10028

F60-64

10028

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23474

Females

9858

F60-64

9858

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24420

Females

10347

F60-64

10347

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22823

Females

9536

F60-64

9536

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24170

Females

10266

F60-64

10266

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23403

Females

9885

F60-64

9885

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

24078

Females

10198

F60-64

10198

Passing Analysis

Category:
Athletes Passed
524
Passed By
2124
Net Change
-1600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22250
5K → 10K46781-735#22250#22985
10K → 15K45417-372#22985#23357
15K → 20K54235-181#23357#23538
20K → Half2427-3#23538#23541
Half → 25K60129-69#23541#23610
25K → 30K69167-98#23610#23708
30K → 20M4190-49#23708#23757
20M → 21M3959-20#23757#23777
21M → 35K2732-5#23777#23782
35K → 23M2782-55#23782#23837
23M → 24M4618+28#23837#23809
24M → 40K1846-28#23809#23837
40K → 25.2M157+8#23837#23829
25.2M → Finish1334-21#23829#23850
TOTALS5242124-1600
📊

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