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BOSTON MARATHON 2023

Martina Strehblow

Bib: 20407•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
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
25:23
Rank: #15240
Start → 5K
8:10/mi
25:23 split
10K· 6.21 mi
50:43
Rank: #15561 (-321)
5K → 10K
8:09/mi
25:20 split
15K· 9.32 mi
1:16:14
Rank: #15661 (-100)
10K → 15K
8:13/mi
25:31 split
20K· 12.43 mi
1:42:06
Rank: #15687 (-26)
15K → 20K
8:20/mi
25:52 split
Half· 13.11 mi
1:47:39
Rank: #15667 (+20)
20K → Half
8:08/mi
5:33 split
25K· 15.53 mi
2:08:02
Rank: #15631 (+36)
Half → 25K
8:24/mi
20:23 split
30K· 18.64 mi
2:35:25
Rank: #15738 (-107)
25K → 30K
8:49/mi
27:23 split
20M
2:47:38
Rank: #15754 (-16)
30K → 20M
8:59/mi
12:13 split
21M
2:57:18
Rank: #15817 (-63)
20M → 21M
9:40/mi
9:40 split
35K· 21.75 mi
3:03:35
Rank: #15755 (+62)
21M → 35K
8:24/mi
6:17 split
23M
3:14:21
Rank: #15622 (+133)
35K → 23M
8:36/mi
10:46 split
24M
3:22:23
Rank: #15440 (+182)
23M → 24M
8:02/mi
8:02 split
40K· 24.85 mi
3:29:20
Rank: #15269 (+171)
24M → 40K
8:08/mi
6:57 split
25.2M
3:32:24
Rank: #15188 (+81)
40K → 25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:40:47
Rank: #15138 (+50)
25.2M → Finish
8:14/mi
8:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:39
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5925:238:1025:23
8:10
-
10K
6.21 mi11:43:1950:438:1025:20
8:09
-0:01
15K
9.32 mi12:08:501:16:148:1125:31
8:13
+0:04
20K
12.43 mi12:34:421:42:068:1325:52
8:20
+0:07
Half
13.11 mi12:40:151:47:398:135:33
8:08
-0:12
25K
15.53 mi13:00:382:08:028:1520:23
8:24
+0:16
30K
18.64 mi13:28:012:35:258:2027:23
8:49
+0:25
20M
20.00 mi13:40:142:47:388:2312:13
8:59
+0:10
21M
21.00 mi13:49:542:57:188:279:40
9:40
+0:41
35K
21.75 mi13:56:113:03:358:266:17
8:24
-1:16
23M
23.00 mi14:06:573:14:218:2710:46
8:36
+0:12
24M
24.00 mi14:14:593:22:238:268:02
8:02
-0:34
40K
24.85 mi14:21:563:29:208:256:57
8:08
+0:06
25.2M
25.20 mi14:25:003:32:248:263:04
8:54
+0:46
Finish
26.22 mi14:33:233:40:478:268:23
8:14
-0:40

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

8:02 /mi

Average Pace

8:26 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:02

4% of race

Time at Steady Pace

2:29:39

68% of race

Time at Slower Pace

1:03:06

29% of race

Average Pace: 8:25 /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 mi11:17:5925:238:1025:23
8:10
#15240
10K
6.21 mi11:43:1950:438:1025:20
8:09
#15561
15K
9.32 mi12:08:501:16:148:1125:31
8:13
#15661
20K
12.43 mi12:34:421:42:068:1325:52
8:20
#15687
Half
13.11 mi12:40:151:47:398:135:33
8:08
#15667
25K
15.53 mi13:00:382:08:028:1520:23
8:24
#15631
30K
18.64 mi13:28:012:35:258:2027:23
8:49
#15738
20M
20.00 mi13:40:142:47:388:2312:13
8:59
#15754
21M
21.00 mi13:49:542:57:188:279:40
9:40
#15817
35K
21.75 mi13:56:113:03:358:266:17
8:24
#15755
23M
23.00 mi14:06:573:14:218:2710:46
8:36
#15622
24M
24.00 mi14:14:593:22:238:268:02
8:02
#15440
40K
24.85 mi14:21:563:29:208:256:57
8:08
#15269
25.2M
25.20 mi14:25:003:32:248:263:04
8:54
#15188
Finish
26.22 mi14:33:233:40:478:268:23
8:14
#15138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi152404799479915962(Top 60%)5275(Top 46%)5275(Top 281%)
10K6.21 mi3.10 mi15561-3215004-2055004-20515946(Top 60%)5243(Top 46%)5243(Top 279%)
15K9.32 mi3.11 mi15661-1005074-705074-7015962(Top 60%)5275(Top 46%)5275(Top 281%)
20K12.43 mi3.11 mi15687-265108-345108-3415772(Top 59%)5207(Top 46%)5207(Top 277%)
Half13.11 mi0.68 mi15667+205100+85100+815381(Top 58%)4915(Top 43%)4915(Top 262%)
25K15.53 mi2.42 mi15631+365107-75107-715631(Top 59%)5221(Top 46%)5221(Top 278%)
30K18.64 mi3.11 mi15738-1075217-1105217-11016165(Top 61%)5589(Top 49%)5589(Top 298%)
20M20.00 mi1.36 mi15754-165240-235240-2316487(Top 62%)5852(Top 51%)5852(Top 312%)
21M21.00 mi1.00 mi15817-635311-715311-7116716(Top 63%)6019(Top 53%)6019(Top 321%)
35K21.75 mi0.75 mi15755+625286+255286+2514753(Top 55%)4967(Top 43%)4967(Top 264%)
23M23.00 mi1.25 mi15622+1335238+485238+4813813(Top 52%)4518(Top 40%)4518(Top 241%)
24M24.00 mi1.00 mi15440+1825135+1035135+10311526(Top 43%)3357(Top 29%)3357(Top 179%)
40K24.85 mi0.85 mi15269+1715036+995036+9910954(Top 41%)3140(Top 27%)3140(Top 167%)
25.2M25.20 mi0.35 mi15188+815001+355001+3512024(Top 45%)3762(Top 33%)3762(Top 200%)
Finish26.22 mi1.02 mi15138+504992+94992+913647(Top 51%)4553(Top 40%)4553(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15962

Females

5275

F40-44

5275

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15946

Females

5243

F40-44

5243

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15962

Females

5275

F40-44

5275

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15772

Females

5207

F40-44

5207

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15381

Females

4915

F40-44

4915

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15631

Females

5221

F40-44

5221

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16165

Females

5589

F40-44

5589

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16487

Females

5852

F40-44

5852

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16716

Females

6019

F40-44

6019

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14753

Females

4967

F40-44

4967

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13813

Females

4518

F40-44

4518

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11526

Females

3357

F40-44

3357

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10954

Females

3140

F40-44

3140

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12024

Females

3762

F40-44

3762

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13647

Females

4553

F40-44

4553

Passing Analysis

Category:
Athletes Passed
1723
Passed By
1621
Net Change
+102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15240
5K → 10K165486-321#15240#15561
10K → 15K142242-100#15561#15661
15K → 20K172198-26#15661#15687
20K → Half3717+20#15687#15667
Half → 25K153117+36#15667#15631
25K → 30K136243-107#15631#15738
30K → 20M8096-16#15738#15754
20M → 21M70133-63#15754#15817
21M → 35K8220+62#15817#15755
35K → 23M14815+133#15755#15622
23M → 24M1886+182#15622#15440
24M → 40K1787+171#15440#15269
40K → 25.2M854+81#15269#15188
25.2M → Finish8737+50#15188#15138
TOTALS17231621+102
📊

Passing Visuals

Category:
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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