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BOSTON MARATHON 2023

Ewa Duerr

Bib: 29353•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:17
Rank: #17281
Start → 5K
26:17 | 8:28/mi
10K· 6.21 mi
51:17
Rank: #16196 (+1085)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:17:02
Rank: #16273 (-77)
10K → 15K
25:45 | 8:17/mi
20K· 12.43 mi
1:43:11
Rank: #16306 (-33)
15K → 20K
26:09 | 8:25/mi
Half· 13.11 mi
1:48:48
Rank: #16280 (+26)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:09:09
Rank: #16135 (+145)
Half → 25K
20:21 | 8:24/mi
30K· 18.64 mi
2:36:07
Rank: #15974 (+161)
25K → 30K
26:58 | 8:41/mi
20M
2:48:12
Rank: #15964 (+10)
30K → 20M
12:05 | 8:54/mi
21M
2:57:22
Rank: #15838 (+126)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
3:03:43
Rank: #15788 (+50)
21M → 35K
6:21 | 8:29/mi
23M
3:14:40
Rank: #15702 (+86)
35K → 23M
10:57 | 8:45/mi
24M
3:23:15
Rank: #15664 (+38)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:30:43
Rank: #15639 (+25)
24M → 40K
7:28 | 8:44/mi
25.2M
3:33:52
Rank: #15603 (+36)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:42:23
Rank: #15541 (+62)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0326:178:2826:17
8:28
-
10K
6.21 mi12:09:0351:178:1525:00
8:03
-0:25
15K
9.32 mi12:34:481:17:028:1625:45
8:17
+0:14
20K
12.43 mi13:00:571:43:118:1826:09
8:25
+0:08
Half
13.11 mi13:06:341:48:488:185:37
8:14
-0:11
25K
15.53 mi13:26:552:09:098:1920:21
8:24
+0:10
30K
18.64 mi13:53:532:36:078:2226:58
8:41
+0:17
20M
20.00 mi14:05:582:48:128:2512:05
8:54
+0:13
21M
21.00 mi14:15:082:57:228:279:10
9:10
+0:16
35K
21.75 mi14:21:293:03:438:276:21
8:29
-0:41
23M
23.00 mi14:32:263:14:408:2810:57
8:45
+0:16
24M
24.00 mi14:41:013:23:158:288:35
8:35
-0:10
40K
24.85 mi14:48:293:30:438:297:28
8:44
+0:09
25.2M
25.20 mi14:51:383:33:528:293:09
9:08
+0:24
Finish
26.22 mi15:00:093:42:238:298:31
8:21
-0:47

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

8:03 /mi

Average Pace

8:29 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:59

89% of race

Time at Steady Pace

24:24

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:44:0326:178:2826:17
8:28
#17281
10K
6.21 mi12:09:0351:178:1525:00
8:03
#16196
15K
9.32 mi12:34:481:17:028:1625:45
8:17
#16273
20K
12.43 mi13:00:571:43:118:1826:09
8:25
#16306
Half
13.11 mi13:06:341:48:488:185:37
8:14
#16280
25K
15.53 mi13:26:552:09:098:1920:21
8:24
#16135
30K
18.64 mi13:53:532:36:078:2226:58
8:41
#15974
20M
20.00 mi14:05:582:48:128:2512:05
8:54
#15964
21M
21.00 mi14:15:082:57:228:279:10
9:10
#15838
35K
21.75 mi14:21:293:03:438:276:21
8:29
#15788
23M
23.00 mi14:32:263:14:408:2810:57
8:45
#15702
24M
24.00 mi14:41:013:23:158:288:35
8:35
#15664
40K
24.85 mi14:48:293:30:438:297:28
8:44
#15639
25.2M
25.20 mi14:51:383:33:528:293:09
9:08
#15603
Finish
26.22 mi15:00:093:42:238:298:31
8:21
#15541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi172816113611316476(Top 62%)5580(Top 49%)5580(Top 297%)
10K6.21 mi3.10 mi16196+10855393+7205393+72015162(Top 57%)4770(Top 42%)4770(Top 254%)
15K9.32 mi3.11 mi16273-775454-615454-6116476(Top 62%)5580(Top 49%)5580(Top 297%)
20K12.43 mi3.11 mi16306-335492-385492-3816353(Top 61%)5558(Top 49%)5558(Top 296%)
Half13.11 mi0.68 mi16280+265475+175475+1716069(Top 60%)5337(Top 47%)5337(Top 284%)
25K15.53 mi2.42 mi16135+1455417+585417+5815548(Top 58%)5167(Top 45%)5167(Top 275%)
30K18.64 mi3.11 mi15974+1615356+615356+6115406(Top 58%)5172(Top 45%)5172(Top 275%)
20M20.00 mi1.36 mi15964+105375-195375-1915976(Top 60%)5558(Top 49%)5558(Top 296%)
21M21.00 mi1.00 mi15838+1265322+535322+5314337(Top 54%)4685(Top 41%)4685(Top 249%)
35K21.75 mi0.75 mi15788+505307+155307+1515269(Top 57%)5273(Top 46%)5273(Top 281%)
23M23.00 mi1.25 mi15702+865284+235284+2314692(Top 55%)5005(Top 44%)5005(Top 267%)
24M24.00 mi1.00 mi15664+385281+35281+314988(Top 56%)5226(Top 46%)5226(Top 278%)
40K24.85 mi0.85 mi15639+255270+115270+1114741(Top 55%)5154(Top 45%)5154(Top 274%)
25.2M25.20 mi0.35 mi15603+365256+145256+1413359(Top 50%)4430(Top 39%)4430(Top 236%)
Finish26.22 mi1.02 mi15541+625229+275229+2714484(Top 54%)4992(Top 44%)4992(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16476

Females

5580

F40-44

5580

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15162

Females

4770

F40-44

4770

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16476

Females

5580

F40-44

5580

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16353

Females

5558

F40-44

5558

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16069

Females

5337

F40-44

5337

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15548

Females

5167

F40-44

5167

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15406

Females

5172

F40-44

5172

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15976

Females

5558

F40-44

5558

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14337

Females

4685

F40-44

4685

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15269

Females

5273

F40-44

5273

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14692

Females

5005

F40-44

5005

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14988

Females

5226

F40-44

5226

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14741

Females

5154

F40-44

5154

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13359

Females

4430

F40-44

4430

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14484

Females

4992

F40-44

4992

Passing Analysis

Category:
Athletes Passed
2717
Passed By
977
Net Change
+1740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17281
5K → 10K114459+1085#17281#16196
10K → 15K160237-77#16196#16273
15K → 20K157190-33#16273#16306
20K → Half5428+26#16306#16280
Half → 25K21974+145#16280#16135
25K → 30K24786+161#16135#15974
30K → 20M9181+10#15974#15964
20M → 21M15630+126#15964#15838
21M → 35K7525+50#15838#15788
35K → 23M11731+86#15788#15702
23M → 24M9153+38#15702#15664
24M → 40K7348+25#15664#15639
40K → 25.2M437+36#15639#15603
25.2M → Finish9028+62#15603#15541
TOTALS2717977+1740
📊

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