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BOSTON MARATHON 2023

Eliza Szuch

Bib: 26258•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:30
Rank: #19757
Start → 5K
27:30 | 8:51/mi
10K· 6.21 mi
55:01
Rank: #19958 (-201)
5K → 10K
27:31 | 8:51/mi
15K· 9.32 mi
1:22:28
Rank: #19857 (+101)
10K → 15K
27:27 | 8:50/mi
20K· 12.43 mi
1:49:58
Rank: #19585 (+272)
15K → 20K
27:30 | 8:51/mi
Half· 13.11 mi
1:56:02
Rank: #19599 (-14)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:18:27
Rank: #19689 (-90)
Half → 25K
22:25 | 9:15/mi
30K· 18.64 mi
2:47:47
Rank: #19596 (+93)
25K → 30K
29:20 | 9:26/mi
20M
3:00:42
Rank: #19526 (+70)
30K → 20M
12:55 | 9:30/mi
21M
3:11:15
Rank: #19537 (-11)
20M → 21M
10:33 | 10:33/mi
35K· 21.75 mi
3:19:12
Rank: #19722 (-185)
21M → 35K
7:57 | 10:38/mi
23M
3:34:26
Rank: #20214 (-492)
35K → 23M
15:14 | 12:10/mi
24M
3:44:40
Rank: #20273 (-59)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
3:55:25
Rank: #20545 (-272)
24M → 40K
10:45 | 12:34/mi
25.2M
3:59:09
Rank: #20534 (+11)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:09:36
Rank: #20616 (-82)
25.2M → Finish
10:27 | 10:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:13:34
Pace10:11 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0927:308:5127:30
8:51
-
10K
6.21 mi12:11:4055:018:5127:31
8:51
0:00
15K
9.32 mi12:39:071:22:288:5127:27
8:50
-0:01
20K
12.43 mi13:06:371:49:588:5127:30
8:51
+0:01
Half
13.11 mi13:12:411:56:028:516:04
8:54
+0:03
25K
15.53 mi13:35:062:18:278:5522:25
9:15
+0:21
30K
18.64 mi14:04:262:47:479:0029:20
9:26
+0:11
20M
20.00 mi14:17:213:00:429:0212:55
9:30
+0:04
21M
21.00 mi14:27:543:11:159:0610:33
10:33
+1:03
35K
21.75 mi14:35:513:19:129:107:57
10:38
+0:05
23M
23.00 mi14:51:053:34:269:1915:14
12:10
+1:32
24M
24.00 mi15:01:193:44:409:2210:14
10:14
-1:56
40K
24.85 mi15:12:043:55:259:2810:45
12:34
+2:20
25.2M
25.20 mi15:15:483:59:099:293:44
10:50
-1:44
Finish
26.22 mi15:26:154:09:369:3210:27
10:15
-0:35

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

8:50 /mi

Average Pace

9:32 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:02

46% of race

Time at Steady Pace

1:04:40

26% of race

Time at Slower Pace

1:08:54

28% of race

Average Pace: 9:31 /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 mi11:44:0927:308:5127:30
8:51
#19757
10K
6.21 mi12:11:4055:018:5127:31
8:51
#19958
15K
9.32 mi12:39:071:22:288:5127:27
8:50
#19857
20K
12.43 mi13:06:371:49:588:5127:30
8:51
#19585
Half
13.11 mi13:12:411:56:028:516:04
8:54
#19599
25K
15.53 mi13:35:062:18:278:5522:25
9:15
#19689
30K
18.64 mi14:04:262:47:479:0029:20
9:26
#19596
20M
20.00 mi14:17:213:00:429:0212:55
9:30
#19526
21M
21.00 mi14:27:543:11:159:0610:33
10:33
#19537
35K
21.75 mi14:35:513:19:129:107:57
10:38
#19722
23M
23.00 mi14:51:053:34:269:1915:14
12:10
#20214
24M
24.00 mi15:01:193:44:409:2210:14
10:14
#20273
40K
24.85 mi15:12:043:55:259:2810:45
12:34
#20545
25.2M
25.20 mi15:15:483:59:099:293:44
10:50
#20534
Finish
26.22 mi15:26:154:09:369:3210:27
10:15
#20616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197577671767119718(Top 74%)7517(Top 66%)7517(Top 154%)
10K6.21 mi3.10 mi19958-2017743-727743-7220211(Top 76%)7828(Top 69%)7828(Top 160%)
15K9.32 mi3.11 mi19857+1017656+877656+8719718(Top 74%)7517(Top 66%)7517(Top 154%)
20K12.43 mi3.11 mi19585+2727480+1767480+17618964(Top 71%)7071(Top 62%)7071(Top 145%)
Half13.11 mi0.68 mi19599-147483-37483-319997(Top 75%)7670(Top 67%)7670(Top 157%)
25K15.53 mi2.42 mi19689-907529-467529-4620019(Top 75%)7704(Top 67%)7704(Top 158%)
30K18.64 mi3.11 mi19596+937489+407489+4019232(Top 72%)7324(Top 64%)7324(Top 150%)
20M20.00 mi1.36 mi19526+707468+217468+2118898(Top 71%)7246(Top 63%)7246(Top 148%)
21M21.00 mi1.00 mi19537-117484-167484-1619757(Top 74%)7798(Top 68%)7798(Top 160%)
35K21.75 mi0.75 mi19722-1857586-1027586-10222638(Top 85%)9384(Top 82%)9384(Top 192%)
23M23.00 mi1.25 mi20214-4927889-3037889-30324210(Top 91%)10236(Top 90%)10236(Top 210%)
24M24.00 mi1.00 mi20273-597933-447933-4421415(Top 80%)8796(Top 77%)8796(Top 180%)
40K24.85 mi0.85 mi20545-2728099-1668099-16624525(Top 92%)10444(Top 91%)10444(Top 214%)
25.2M25.20 mi0.35 mi20534+118094+58094+520074(Top 75%)8105(Top 71%)8105(Top 166%)
Finish26.22 mi1.02 mi20616-828154-608154-6022432(Top 84%)9346(Top 82%)9346(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19718

Females

7517

F18-39

7517

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20211

Females

7828

F18-39

7828

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19718

Females

7517

F18-39

7517

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18964

Females

7071

F18-39

7071

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19997

Females

7670

F18-39

7670

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

20019

Females

7704

F18-39

7704

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19232

Females

7324

F18-39

7324

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18898

Females

7246

F18-39

7246

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19757

Females

7798

F18-39

7798

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22638

Females

9384

F18-39

9384

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24210

Females

10236

F18-39

10236

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21415

Females

8796

F18-39

8796

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24525

Females

10444

F18-39

10444

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20074

Females

8105

F18-39

8105

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22432

Females

9346

F18-39

9346

Passing Analysis

Category:
Athletes Passed
1387
Passed By
2246
Net Change
-859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19757
5K → 10K214415-201#19757#19958
10K → 15K236135+101#19958#19857
15K → 20K33159+272#19857#19585
20K → Half2539-14#19585#19599
Half → 25K88178-90#19599#19689
25K → 30K200107+93#19689#19596
30K → 20M12151+70#19596#19526
20M → 21M6778-11#19526#19537
21M → 35K9194-185#19537#19722
35K → 23M12504-492#19722#20214
23M → 24M2887-59#20214#20273
24M → 40K4276-272#20273#20545
40K → 25.2M3221+11#20545#20534
25.2M → Finish20102-82#20534#20616
TOTALS13872246-859
📊

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