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BOSTON MARATHON 2023

Rebecca Frechette

Bib: 27509•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
9:55/mi
30:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:49/mi
1:01:18
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:34:34
↑ 67↓ 78
20K· 12.43 mi
10:37/mi
2:07:33
↑ 106↓ 860.1%
Half· 13.11 mi
10:26/mi
2:14:40
↑ 19↓ 370.5%
25K· 15.53 mi
11:16/mi
2:41:58
↑ 66↓ 880.2%
30K· 18.64 mi
11:27/mi
3:17:32
↑ 181↓ 1480.2%
20M
11:38/mi
3:33:21
↑ 64↓ 500.2%
21M
12:30/mi
3:45:51
↑ 106↓ 241.6%
35K· 21.75 mi
11:46/mi
3:54:39
↑ 17↓ 861.7%
23M
11:54/mi
4:09:33
↑ 23↓ 630.6%
24M
11:15/mi
4:20:48
↓ 821.3%
40K· 24.85 mi
10:32/mi
4:29:48
↓ 200.3%
25.2M
10:58/mi
4:33:35
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
4:43:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:40
Pace10:16 /mi
2nd Half
Distance13.11 mi
Time2:28:29
Pace11:20 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0930:489:5530:48
9:55
-
10K
6.21 mi12:22:391:01:189:5230:30
9:49
-0:06
15K
9.32 mi12:55:551:34:3410:0933:16
10:42
+0:53
20K
12.43 mi13:28:542:07:3310:1632:59
10:37
-0:05
Half
13.11 mi13:36:012:14:4010:167:07
10:26
-0:11
25K
15.53 mi14:03:192:41:5810:2627:18
11:16
+0:50
30K
18.64 mi14:38:533:17:3210:3635:34
11:27
+0:11
20M
20.00 mi14:54:423:33:2110:4015:49
11:38
+0:11
21M
21.00 mi15:07:123:45:5110:4512:30
12:30
+0:52
35K
21.75 mi15:16:003:54:3910:478:48
11:46
-0:44
23M
23.00 mi15:30:544:09:3310:5114:54
11:54
+0:08
24M
24.00 mi15:42:094:20:4810:5211:15
11:15
-0:39
40K
24.85 mi15:51:094:29:4810:519:00
10:32
-0:43
25.2M
25.20 mi15:54:564:33:3510:513:47
10:58
+0:26
Finish
26.22 mi16:04:304:43:0910:489:34
9:23
-1:35

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

9:23 /mi

Average Pace

10:48 /mi

Slowest Pace

12:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:59

31% of race

Time at Steady Pace

1:48:35

38% of race

Time at Slower Pace

1:27:35

31% of race

Average Pace: 10:48 /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 mi11:52:0930:489:5530:48
9:55
#23244
10K
6.21 mi12:22:391:01:189:5230:30
9:49
#23317
15K
9.32 mi12:55:551:34:3410:0933:16
10:42
#23893
20K
12.43 mi13:28:542:07:3310:1632:59
10:37
#23952
Half
13.11 mi13:36:012:14:4010:167:07
10:26
#23946
25K
15.53 mi14:03:192:41:5810:2627:18
11:16
#24037
30K
18.64 mi14:38:533:17:3210:3635:34
11:27
#23989
20M
20.00 mi14:54:423:33:2110:4015:49
11:38
#23977
21M
21.00 mi15:07:123:45:5110:4512:30
12:30
#23962
35K
21.75 mi15:16:003:54:3910:478:48
11:46
#23994
23M
23.00 mi15:30:544:09:3310:5114:54
11:54
#23993
24M
24.00 mi15:42:094:20:4810:5211:15
11:15
#23975
40K
24.85 mi15:51:094:29:4810:519:00
10:32
#23887
25.2M
25.20 mi15:54:564:33:3510:513:47
10:58
#23851
Finish
26.22 mi16:04:304:43:0910:489:34
9:23
#23758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi232449519951924816(Top 93%)10362(Top 91%)10362(Top 212%)
10K6.21 mi3.10 mi23317-739536-179536-1723319(Top 88%)9524(Top 83%)9524(Top 195%)
15K9.32 mi3.11 mi23893-5769832-2969832-29624816(Top 93%)10362(Top 91%)10362(Top 212%)
20K12.43 mi3.11 mi23952-599862-309862-3024039(Top 90%)9933(Top 87%)9933(Top 203%)
Half13.11 mi0.68 mi23946+69861+19861+124109(Top 91%)9980(Top 87%)9980(Top 204%)
25K15.53 mi2.42 mi24037-919919-589919-5824359(Top 91%)10148(Top 89%)10148(Top 208%)
30K18.64 mi3.11 mi23989+489911+89911+823793(Top 89%)9895(Top 87%)9895(Top 203%)
20M20.00 mi1.36 mi23977+129910+19910+123745(Top 89%)9928(Top 87%)9928(Top 203%)
21M21.00 mi1.00 mi23962+159917-79917-723464(Top 88%)9793(Top 86%)9793(Top 201%)
35K21.75 mi0.75 mi23994-329945-289945-2824446(Top 92%)10371(Top 91%)10371(Top 212%)
23M23.00 mi1.25 mi23993+19953-89953-823866(Top 90%)10050(Top 88%)10050(Top 206%)
24M24.00 mi1.00 mi23975+189950+39950+323524(Top 88%)9911(Top 87%)9911(Top 203%)
40K24.85 mi0.85 mi23887+889911+399911+3921298(Top 80%)8779(Top 77%)8779(Top 180%)
25.2M25.20 mi0.35 mi23851+369890+219890+2120456(Top 77%)8311(Top 73%)8311(Top 170%)
Finish26.22 mi1.02 mi23758+939844+469844+4619748(Top 74%)7872(Top 69%)7872(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24816

Females

10362

F18-39

10362

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23319

Females

9524

F18-39

9524

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24816

Females

10362

F18-39

10362

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

24039

Females

9933

F18-39

9933

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24109

Females

9980

F18-39

9980

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24359

Females

10148

F18-39

10148

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23793

Females

9895

F18-39

9895

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23745

Females

9928

F18-39

9928

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23464

Females

9793

F18-39

9793

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24446

Females

10371

F18-39

10371

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23866

Females

10050

F18-39

10050

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23524

Females

9911

F18-39

9911

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21298

Females

8779

F18-39

8779

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20456

Females

8311

F18-39

8311

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19748

Females

7872

F18-39

7872

Passing Analysis

Category:
Athletes Passed
896
Passed By
1410
Net Change
-514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23244
5K → 10K172245-73#23244#23317
10K → 15K15591-576#23317#23893
15K → 20K87146-59#23893#23952
20K → Half2923+6#23952#23946
Half → 25K62153-91#23946#24037
25K → 30K12678+48#24037#23989
30K → 20M5240+12#23989#23977
20M → 21M5035+15#23977#23962
21M → 35K1648-32#23962#23994
35K → 23M3837+1#23994#23993
23M → 24M3214+18#23993#23975
24M → 40K880+88#23975#23887
40K → 25.2M360+36#23887#23851
25.2M → Finish930+93#23851#23758
TOTALS8961410-514
📊

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