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BOSTON MARATHON 2023

Mia Cieslar

Bib: 15766•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:24
Rank: #15299
Start → 5K
25:24 | 8:11/mi
10K· 6.21 mi
52:03
Rank: #17044 (-1745)
5K → 10K
26:39 | 8:35/mi
15K· 9.32 mi
1:19:02
Rank: #17722 (-678)
10K → 15K
26:59 | 8:41/mi
20K· 12.43 mi
1:47:01
Rank: #18278 (-556)
15K → 20K
27:59 | 9:00/mi
Half· 13.11 mi
1:53:10
Rank: #18401 (-123)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:15:00
Rank: #18518 (-117)
Half → 25K
21:50 | 9:00/mi
30K· 18.64 mi
2:43:22
Rank: #18365 (+153)
25K → 30K
28:22 | 9:08/mi
20M
2:56:06
Rank: #18359 (+6)
30K → 20M
12:44 | 9:22/mi
21M
3:06:15
Rank: #18371 (-12)
20M → 21M
10:09 | 10:09/mi
35K· 21.75 mi
3:13:03
Rank: #18365 (+6)
21M → 35K
6:48 | 9:05/mi
23M
3:24:43
Rank: #18314 (+51)
35K → 23M
11:40 | 9:19/mi
24M
3:34:13
Rank: #18378 (-64)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:42:18
Rank: #18370 (+8)
24M → 40K
8:05 | 9:27/mi
25.2M
3:45:45
Rank: #18362 (+8)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:54:58
Rank: #18371 (-9)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:01:48
Pace9:17 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:2225:248:1125:24
8:11
-
10K
6.21 mi11:25:0152:038:2326:39
8:35
+0:24
15K
9.32 mi11:52:001:19:028:2926:59
8:41
+0:06
20K
12.43 mi12:19:591:47:018:3727:59
9:00
+0:19
Half
13.11 mi12:26:081:53:108:386:09
9:01
+0:01
25K
15.53 mi12:47:582:15:008:4121:50
9:00
-0:01
30K
18.64 mi13:16:202:43:228:4628:22
9:08
+0:08
20M
20.00 mi13:29:042:56:068:4812:44
9:22
+0:14
21M
21.00 mi13:39:133:06:158:5210:09
10:09
+0:47
35K
21.75 mi13:46:013:13:038:536:48
9:05
-1:04
23M
23.00 mi13:57:413:24:438:5411:40
9:19
+0:14
24M
24.00 mi14:07:113:34:138:569:30
9:30
+0:11
40K
24.85 mi14:15:163:42:188:578:05
9:27
-0:03
25.2M
25.20 mi14:18:433:45:458:583:27
10:00
+0:33
Finish
26.22 mi14:27:563:54:588:589:13
9:03
-0:57

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

8:11 /mi

Average Pace

8:58 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:02

34% of race

Time at Steady Pace

1:52:01

48% of race

Time at Slower Pace

43:55

19% of race

Average Pace: 8:58 /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 mi10:58:2225:248:1125:24
8:11
#15299
10K
6.21 mi11:25:0152:038:2326:39
8:35
#17044
15K
9.32 mi11:52:001:19:028:2926:59
8:41
#17722
20K
12.43 mi12:19:591:47:018:3727:59
9:00
#18278
Half
13.11 mi12:26:081:53:108:386:09
9:01
#18401
25K
15.53 mi12:47:582:15:008:4121:50
9:00
#18518
30K
18.64 mi13:16:202:43:228:4628:22
9:08
#18365
20M
20.00 mi13:29:042:56:068:4812:44
9:22
#18359
21M
21.00 mi13:39:133:06:158:5210:09
10:09
#18371
35K
21.75 mi13:46:013:13:038:536:48
9:05
#18365
23M
23.00 mi13:57:413:24:438:5411:40
9:19
#18314
24M
24.00 mi14:07:113:34:138:569:30
9:30
#18378
40K
24.85 mi14:15:163:42:188:578:05
9:27
#18370
25.2M
25.20 mi14:18:433:45:458:583:27
10:00
#18362
Finish
26.22 mi14:27:563:54:588:589:13
9:03
#18371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi152994836483618905(Top 71%)7045(Top 62%)7045(Top 584%)
10K6.21 mi3.10 mi17044-17455945-11095945-110918735(Top 70%)6922(Top 61%)6922(Top 573%)
15K9.32 mi3.11 mi17722-6786351-4066351-40618905(Top 71%)7045(Top 62%)7045(Top 584%)
20K12.43 mi3.11 mi18278-5566676-3256676-32519733(Top 74%)7512(Top 66%)7512(Top 622%)
Half13.11 mi0.68 mi18401-1236746-706746-7020501(Top 77%)7956(Top 70%)7956(Top 659%)
25K15.53 mi2.42 mi18518-1176842-966842-9618981(Top 71%)7117(Top 62%)7117(Top 590%)
30K18.64 mi3.11 mi18365+1536781+616781+6117847(Top 67%)6556(Top 57%)6556(Top 543%)
20M20.00 mi1.36 mi18359+66792-116792-1118339(Top 69%)6929(Top 61%)6929(Top 574%)
21M21.00 mi1.00 mi18371-126812-206812-2018554(Top 70%)7082(Top 62%)7082(Top 587%)
35K21.75 mi0.75 mi18365+66817-56817-518293(Top 69%)6994(Top 61%)6994(Top 579%)
23M23.00 mi1.25 mi18314+516800+176800+1717622(Top 66%)6646(Top 58%)6646(Top 551%)
24M24.00 mi1.00 mi18378-646844-446844-4419221(Top 72%)7570(Top 66%)7570(Top 627%)
40K24.85 mi0.85 mi18370+86849-56849-518187(Top 68%)7042(Top 62%)7042(Top 583%)
25.2M25.20 mi0.35 mi18362+86848+16848+117454(Top 66%)6687(Top 59%)6687(Top 554%)
Finish26.22 mi1.02 mi18371-96865-176865-1718204(Top 68%)7011(Top 61%)7011(Top 581%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18905

Females

7045

F50-54

7045

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18735

Females

6922

F50-54

6922

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18905

Females

7045

F50-54

7045

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19733

Females

7512

F50-54

7512

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20501

Females

7956

F50-54

7956

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18981

Females

7117

F50-54

7117

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17847

Females

6556

F50-54

6556

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18339

Females

6929

F50-54

6929

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18554

Females

7082

F50-54

7082

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18293

Females

6994

F50-54

6994

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17622

Females

6646

F50-54

6646

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19221

Females

7570

F50-54

7570

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18187

Females

7042

F50-54

7042

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17454

Females

6687

F50-54

6687

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18204

Females

7011

F50-54

7011

Passing Analysis

Category:
Athletes Passed
956
Passed By
4028
Net Change
-3072
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15299
5K → 10K171762-1745#15299#17044
10K → 15K55733-678#17044#17722
15K → 20K56612-556#17722#18278
20K → Half7130-123#18278#18401
Half → 25K88205-117#18401#18518
25K → 30K24693+153#18518#18365
30K → 20M9690+6#18365#18359
20M → 21M8193-12#18359#18371
21M → 35K4640+6#18371#18365
35K → 23M10756+51#18365#18314
23M → 24M3195-64#18314#18378
24M → 40K5648+8#18378#18370
40K → 25.2M2214+8#18370#18362
25.2M → Finish4857-9#18362#18371
TOTALS9564028-3072
📊

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