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BOSTON MARATHON 2023

Elizabeth Szilassy

Bib: 24036•F

PE

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
30:02
Rank: #22563
Start → 5K
30:02 | 9:40/mi
10K· 6.21 mi
58:33
Rank: #22126 (+437)
5K → 10K
28:31 | 9:11/mi
15K· 9.32 mi
1:26:55
Rank: #21756 (+370)
10K → 15K
28:22 | 9:08/mi
20K· 12.43 mi
1:55:56
Rank: #21608 (+148)
15K → 20K
29:01 | 9:20/mi
Half· 13.11 mi
2:02:21
Rank: #21614 (-6)
20K → Half
6:25 | 9:24/mi
25K· 15.53 mi
2:25:12
Rank: #21435 (+179)
Half → 25K
22:51 | 9:25/mi
30K· 18.64 mi
2:56:41
Rank: #21410 (+25)
25K → 30K
31:29 | 10:08/mi
20M
3:11:37
Rank: #21549 (-139)
30K → 20M
14:56 | 10:59/mi
21M
3:24:36
Rank: #21775 (-226)
20M → 21M
12:59 | 12:59/mi
35K· 21.75 mi
3:32:41
Rank: #21844 (-69)
21M → 35K
8:05 | 10:48/mi
23M
3:47:14
Rank: #21966 (-122)
35K → 23M
14:33 | 11:37/mi
24M
3:57:58
Rank: #21981 (-15)
23M → 24M
10:44 | 10:44/mi
40K· 24.85 mi
4:08:17
Rank: #22082 (-101)
24M → 40K
10:19 | 12:04/mi
25.2M
4:12:41
Rank: #22109 (-27)
40K → 25.2M
4:24 | 12:46/mi
Finish· 26.22 mi
4:24:04
Rank: #22224 (-115)
25.2M → Finish
11:23 | 11:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:21
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:21:43
Pace10:49 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3030:029:4030:02
9:40
-
10K
6.21 mi12:15:0158:339:2528:31
9:11
-0:29
15K
9.32 mi12:43:231:26:559:2028:22
9:08
-0:03
20K
12.43 mi13:12:241:55:569:2029:01
9:20
+0:12
Half
13.11 mi13:18:492:02:219:206:25
9:24
+0:04
25K
15.53 mi13:41:402:25:129:2122:51
9:25
+0:01
30K
18.64 mi14:13:092:56:419:2931:29
10:08
+0:43
20M
20.00 mi14:28:053:11:379:3514:56
10:59
+0:51
21M
21.00 mi14:41:043:24:369:4512:59
12:59
+2:00
35K
21.75 mi14:49:093:32:419:478:05
10:48
-2:11
23M
23.00 mi15:03:423:47:149:5314:33
11:37
+0:49
24M
24.00 mi15:14:263:57:589:5510:44
10:44
-0:53
40K
24.85 mi15:24:454:08:179:5910:19
12:04
+1:20
25.2M
25.20 mi15:29:094:12:4110:024:24
12:46
+0:42
Finish
26.22 mi15:40:324:24:0410:0511:23
11:10
-1:36

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

9:08 /mi

Average Pace

10:05 /mi

Slowest Pace

12:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:12

55% of race

Time at Steady Pace

1:16:37

29% of race

Time at Slower Pace

42:15

16% of race

Average Pace: 10:04 /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 mi11:46:3030:029:4030:02
9:40
#22563
10K
6.21 mi12:15:0158:339:2528:31
9:11
#22126
15K
9.32 mi12:43:231:26:559:2028:22
9:08
#21756
20K
12.43 mi13:12:241:55:569:2029:01
9:20
#21608
Half
13.11 mi13:18:492:02:219:206:25
9:24
#21614
25K
15.53 mi13:41:402:25:129:2122:51
9:25
#21435
30K
18.64 mi14:13:092:56:419:2931:29
10:08
#21410
20M
20.00 mi14:28:053:11:379:3514:56
10:59
#21549
21M
21.00 mi14:41:043:24:369:4512:59
12:59
#21775
35K
21.75 mi14:49:093:32:419:478:05
10:48
#21844
23M
23.00 mi15:03:423:47:149:5314:33
11:37
#21966
24M
24.00 mi15:14:263:57:589:5510:44
10:44
#21981
40K
24.85 mi15:24:454:08:179:5910:19
12:04
#22082
25.2M
25.20 mi15:29:094:12:4110:024:24
12:46
#22109
Finish
26.22 mi15:40:324:24:0410:0511:23
11:10
#22224
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi225639165916521076(Top 79%)8278(Top 72%)8278(Top 1571%)
10K6.21 mi3.10 mi22126+4378919+2468919+24621563(Top 81%)8582(Top 75%)8582(Top 1628%)
15K9.32 mi3.11 mi21756+3708702+2178702+21721076(Top 79%)8278(Top 72%)8278(Top 1571%)
20K12.43 mi3.11 mi21608+1488614+888614+8821076(Top 79%)8280(Top 72%)8280(Top 1571%)
Half13.11 mi0.68 mi21614-68616-28616-221853(Top 82%)8714(Top 76%)8714(Top 1654%)
25K15.53 mi2.42 mi21435+1798508+1088508+10820599(Top 77%)8049(Top 70%)8049(Top 1527%)
30K18.64 mi3.11 mi21410+258508850821382(Top 80%)8564(Top 75%)8564(Top 1625%)
20M20.00 mi1.36 mi21549-1398591-838591-8322696(Top 85%)9358(Top 82%)9358(Top 1776%)
21M21.00 mi1.00 mi21775-2268729-1388729-13824064(Top 90%)10125(Top 89%)10125(Top 1921%)
35K21.75 mi0.75 mi21844-698779-508779-5022951(Top 86%)9567(Top 84%)9567(Top 1815%)
23M23.00 mi1.25 mi21966-1228846-678846-6723454(Top 88%)9825(Top 86%)9825(Top 1864%)
24M24.00 mi1.00 mi21981-158868-228868-2222534(Top 85%)9380(Top 82%)9380(Top 1780%)
40K24.85 mi0.85 mi22082-1018937-698937-6923976(Top 90%)10165(Top 89%)10165(Top 1929%)
25.2M25.20 mi0.35 mi22109-278953-168953-1623666(Top 89%)10012(Top 88%)10012(Top 1900%)
Finish26.22 mi1.02 mi22224-1159021-689021-6824255(Top 91%)10281(Top 90%)10281(Top 1951%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

21076

Females

8278

F60-64

8278

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21563

Females

8582

F60-64

8582

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

21076

Females

8278

F60-64

8278

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21076

Females

8280

F60-64

8280

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21853

Females

8714

F60-64

8714

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20599

Females

8049

F60-64

8049

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21382

Females

8564

F60-64

8564

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22696

Females

9358

F60-64

9358

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24064

Females

10125

F60-64

10125

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22951

Females

9567

F60-64

9567

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23454

Females

9825

F60-64

9825

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22534

Females

9380

F60-64

9380

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23976

Females

10165

F60-64

10165

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23666

Females

10012

F60-64

10012

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24255

Females

10281

F60-64

10281

Passing Analysis

Category:
Athletes Passed
1670
Passed By
1331
Net Change
+339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22563
5K → 10K52992+437#22563#22126
10K → 15K41242+370#22126#21756
15K → 20K20254+148#21756#21608
20K → Half2632-6#21608#21614
Half → 25K21334+179#21614#21435
25K → 30K131106+25#21435#21410
30K → 20M36175-139#21410#21549
20M → 21M9235-226#21549#21775
21M → 35K2089-69#21775#21844
35K → 23M23145-122#21844#21966
23M → 24M3550-15#21966#21981
24M → 40K17118-101#21981#22082
40K → 25.2M1037-27#22082#22109
25.2M → Finish7122-115#22109#22224
TOTALS16701331+339
📊

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