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BOSTON MARATHON 2023

Miranda Blechman

Bib: 13573•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:13/mi
22:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:07:30
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:30:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:35:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:52:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:24/mi
2:15:42
↑ 181↓ 1480.2%
20M
7:28/mi
2:25:51
↑ 64↓ 500.2%
21M
7:33/mi
2:33:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:38:40
↑ 17↓ 861.7%
23M
7:25/mi
2:47:57
↑ 23↓ 630.6%
24M
7:15/mi
2:55:12
↓ 821.3%
40K· 24.85 mi
7:24/mi
3:01:32
↓ 200.3%
25.2M
7:50/mi
3:04:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:11:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:05
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:36:19
Pace7:21 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2522:267:1322:26
7:13
-
10K
6.21 mi11:13:4644:477:1222:21
7:12
-0:01
15K
9.32 mi11:36:291:07:307:1522:43
7:19
+0:07
20K
12.43 mi11:59:101:30:117:1522:41
7:18
-0:01
Half
13.11 mi12:04:041:35:057:154:54
7:11
-0:07
25K
15.53 mi12:21:411:52:427:1517:37
7:16
+0:05
30K
18.64 mi12:44:412:15:427:1723:00
7:24
+0:08
20M
20.00 mi12:54:502:25:517:1810:09
7:28
+0:04
21M
21.00 mi13:02:232:33:247:187:33
7:33
+0:05
35K
21.75 mi13:07:392:38:407:185:16
7:02
-0:31
23M
23.00 mi13:16:562:47:577:189:17
7:25
+0:23
24M
24.00 mi13:24:112:55:127:187:15
7:15
-0:10
40K
24.85 mi13:30:313:01:327:186:20
7:24
+0:09
25.2M
25.20 mi13:33:133:04:147:192:42
7:50
+0:26
Finish
26.22 mi13:40:233:11:247:187:10
7:02
-0:48

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

7:02 /mi

Average Pace

7:18 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:42

99% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:51:2522:267:1322:26
7:13
#7633
10K
6.21 mi11:13:4644:477:1222:21
7:12
#7817
15K
9.32 mi11:36:291:07:307:1522:43
7:19
#8061
20K
12.43 mi11:59:101:30:117:1522:41
7:18
#7948
Half
13.11 mi12:04:041:35:057:154:54
7:11
#7930
25K
15.53 mi12:21:411:52:427:1517:37
7:16
#7757
30K
18.64 mi12:44:412:15:427:1723:00
7:24
#7490
20M
20.00 mi12:54:502:25:517:1810:09
7:28
#7390
21M
21.00 mi13:02:232:33:247:187:33
7:33
#7221
35K
21.75 mi13:07:392:38:407:185:16
7:02
#7144
23M
23.00 mi13:16:562:47:577:189:17
7:25
#7018
24M
24.00 mi13:24:112:55:127:187:15
7:15
#6943
40K
24.85 mi13:30:313:01:327:186:20
7:24
#6885
25.2M
25.20 mi13:33:133:04:147:192:42
7:50
#6828
Finish
26.22 mi13:40:233:11:247:187:10
7:02
#6741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76338848848671(Top 33%)1302(Top 11%)1302(Top 27%)
10K6.21 mi3.10 mi7817-184954-70954-708061(Top 30%)1065(Top 9%)1065(Top 22%)
15K9.32 mi3.11 mi8061-2441060-1061060-1068671(Top 33%)1302(Top 11%)1302(Top 27%)
20K12.43 mi3.11 mi7948+1131033+271033+277799(Top 29%)1030(Top 9%)1030(Top 21%)
Half13.11 mi0.68 mi7930+18103310337778(Top 29%)998(Top 9%)998(Top 20%)
25K15.53 mi2.42 mi7757+173988+45988+457076(Top 27%)858(Top 8%)858(Top 18%)
30K18.64 mi3.11 mi7490+267933+55933+556625(Top 25%)801(Top 7%)801(Top 16%)
20M20.00 mi1.36 mi7390+100910+23910+236605(Top 25%)884(Top 8%)884(Top 18%)
21M21.00 mi1.00 mi7221+169867+43867+434859(Top 18%)486(Top 4%)486(Top 10%)
35K21.75 mi0.75 mi7144+77852+15852+155599(Top 21%)649(Top 6%)649(Top 13%)
23M23.00 mi1.25 mi7018+126847+5847+55974(Top 22%)803(Top 7%)803(Top 16%)
24M24.00 mi1.00 mi6943+75841+6841+66068(Top 23%)916(Top 8%)916(Top 19%)
40K24.85 mi0.85 mi6885+58839+2839+26163(Top 23%)1036(Top 9%)1036(Top 21%)
25.2M25.20 mi0.35 mi6828+57831+8831+85610(Top 21%)923(Top 8%)923(Top 19%)
Finish26.22 mi1.02 mi6741+87822+9822+95427(Top 20%)874(Top 8%)874(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8671

Females

1302

F18-39

1302

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8061

Females

1065

F18-39

1065

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8671

Females

1302

F18-39

1302

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7799

Females

1030

F18-39

1030

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7778

Females

998

F18-39

998

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7076

Females

858

F18-39

858

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6625

Females

801

F18-39

801

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6605

Females

884

F18-39

884

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4859

Females

486

F18-39

486

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5599

Females

649

F18-39

649

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5974

Females

803

F18-39

803

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6068

Females

916

F18-39

916

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6163

Females

1036

F18-39

1036

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5610

Females

923

F18-39

923

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5427

Females

874

F18-39

874

Passing Analysis

Category:
Athletes Passed
1758
Passed By
866
Net Change
+892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7633
5K → 10K147331-184#7633#7817
10K → 15K57301-244#7817#8061
15K → 20K17360+113#8061#7948
20K → Half3113+18#7948#7930
Half → 25K19118+173#7930#7757
25K → 30K29124+267#7757#7490
30K → 20M12121+100#7490#7390
20M → 21M1734+169#7390#7221
21M → 35K869+77#7221#7144
35K → 23M14317+126#7144#7018
23M → 24M9924+75#7018#6943
24M → 40K7820+58#6943#6885
40K → 25.2M625+57#6885#6828
25.2M → Finish10619+87#6828#6741
TOTALS1758866+892
📊

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