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BOSTON MARATHON 2023

Rebecca Blodgett

Bib: 18717•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F40-44)
#0 / 1878
Top 33%
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
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
47:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:11:05
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:36:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:41:30
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:01:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:27:17
↑ 181↓ 1480.2%
20M
8:27/mi
2:38:46
↑ 64↓ 500.2%
21M
9:03/mi
2:47:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:54:00
↑ 17↓ 861.7%
23M
8:30/mi
3:04:38
↑ 23↓ 630.6%
24M
8:31/mi
3:13:09
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:20:19
↓ 200.3%
25.2M
9:05/mi
3:23:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:31:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:30
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0923:497:4023:49
7:40
-
10K
6.21 mi11:38:2447:047:3423:15
7:29
-0:11
15K
9.32 mi12:02:251:11:057:3824:01
7:44
+0:15
20K
12.43 mi12:27:261:36:067:4425:01
8:03
+0:19
Half
13.11 mi12:32:501:41:307:455:24
7:55
-0:08
25K
15.53 mi12:52:412:01:217:4919:51
8:11
+0:16
30K
18.64 mi13:18:372:27:177:5425:56
8:21
+0:10
20M
20.00 mi13:30:062:38:467:5611:29
8:27
+0:06
21M
21.00 mi13:39:092:47:497:599:03
9:03
+0:36
35K
21.75 mi13:45:202:54:008:006:11
8:16
-0:47
23M
23.00 mi13:55:583:04:388:0210:38
8:30
+0:14
24M
24.00 mi14:04:293:13:098:038:31
8:31
+0:01
40K
24.85 mi14:11:393:20:198:047:10
8:23
-0:08
25.2M
25.20 mi14:14:473:23:278:043:08
9:05
+0:42
Finish
26.22 mi14:23:123:31:528:058:25
8:16
-0:49

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

7:29 /mi

Average Pace

8:05 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:29

36% of race

Time at Steady Pace

1:44:03

49% of race

Time at Slower Pace

31:20

15% of race

Average Pace: 8:05 /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 mi11:15:0923:497:4023:49
7:40
#11179
10K
6.21 mi11:38:2447:047:3423:15
7:29
#10691
15K
9.32 mi12:02:251:11:057:3824:01
7:44
#11169
20K
12.43 mi12:27:261:36:067:4425:01
8:03
#11821
Half
13.11 mi12:32:501:41:307:455:24
7:55
#11926
25K
15.53 mi12:52:412:01:217:4919:51
8:11
#12286
30K
18.64 mi13:18:372:27:177:5425:56
8:21
#12477
20M
20.00 mi13:30:062:38:467:5611:29
8:27
#12543
21M
21.00 mi13:39:092:47:497:599:03
9:03
#12594
35K
21.75 mi13:45:202:54:008:006:11
8:16
#12638
23M
23.00 mi13:55:583:04:388:0210:38
8:30
#12659
24M
24.00 mi14:04:293:13:098:038:31
8:31
#12750
40K
24.85 mi14:11:393:20:198:047:10
8:23
#12734
25.2M
25.20 mi14:14:473:23:278:043:08
9:05
#12738
Finish
26.22 mi14:23:123:31:528:058:25
8:16
#12773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi111792426242612127(Top 46%)2969(Top 26%)2969(Top 158%)
10K6.21 mi3.10 mi10691+4882172+2542172+25410336(Top 39%)1979(Top 17%)1979(Top 105%)
15K9.32 mi3.11 mi11169-4782425-2532425-25312127(Top 46%)2969(Top 26%)2969(Top 158%)
20K12.43 mi3.11 mi11821-6522810-3852810-38513860(Top 52%)4019(Top 35%)4019(Top 214%)
Half13.11 mi0.68 mi11926-1052871-612871-6113731(Top 52%)3918(Top 34%)3918(Top 209%)
25K15.53 mi2.42 mi12286-3603107-2363107-23614144(Top 53%)4306(Top 38%)4306(Top 229%)
30K18.64 mi3.11 mi12477-1913243-1363243-13613329(Top 50%)3934(Top 34%)3934(Top 209%)
20M20.00 mi1.36 mi12543-663299-563299-5613341(Top 50%)4032(Top 35%)4032(Top 215%)
21M21.00 mi1.00 mi12594-513355-563355-5613690(Top 51%)4314(Top 38%)4314(Top 230%)
35K21.75 mi0.75 mi12638-443389-343389-3413915(Top 52%)4506(Top 39%)4506(Top 240%)
23M23.00 mi1.25 mi12659-213425-363425-3613180(Top 50%)4165(Top 36%)4165(Top 222%)
24M24.00 mi1.00 mi12750-913501-763501-7614572(Top 55%)4994(Top 44%)4994(Top 266%)
40K24.85 mi0.85 mi12734+163514-133514-1312605(Top 47%)3997(Top 35%)3997(Top 213%)
25.2M25.20 mi0.35 mi12738-43521-73521-713050(Top 49%)4248(Top 37%)4248(Top 226%)
Finish26.22 mi1.02 mi12773-353570-493570-4913855(Top 52%)4658(Top 41%)4658(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12127

Females

2969

F40-44

2969

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10336

Females

1979

F40-44

1979

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12127

Females

2969

F40-44

2969

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13860

Females

4019

F40-44

4019

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13731

Females

3918

F40-44

3918

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14144

Females

4306

F40-44

4306

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13329

Females

3934

F40-44

3934

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13341

Females

4032

F40-44

4032

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13690

Females

4314

F40-44

4314

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13915

Females

4506

F40-44

4506

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13180

Females

4165

F40-44

4165

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14572

Females

4994

F40-44

4994

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12605

Females

3997

F40-44

3997

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13050

Females

4248

F40-44

4248

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13855

Females

4658

F40-44

4658

Passing Analysis

Category:
Athletes Passed
1375
Passed By
2969
Net Change
-1594
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11179
5K → 10K605117+488#11179#10691
10K → 15K58536-478#10691#11169
15K → 20K40692-652#11169#11821
20K → Half4109-105#11821#11926
Half → 25K51411-360#11926#12286
25K → 30K158349-191#12286#12477
30K → 20M77143-66#12477#12543
20M → 21M75126-51#12543#12594
21M → 35K3175-44#12594#12638
35K → 23M81102-21#12638#12659
23M → 24M42133-91#12659#12750
24M → 40K7054+16#12750#12734
40K → 25.2M2933-4#12734#12738
25.2M → Finish5489-35#12738#12773
TOTALS13752969-1594
📊

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