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BOSTON MARATHON 2023

Benedicte Frew

Bib: 18881•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F40-44)
#0 / 1878
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
8:37/mi
26:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:20:29
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:47:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:53:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:13:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:40:19
↑ 181↓ 1480.2%
20M
8:24/mi
2:51:44
↑ 64↓ 500.2%
21M
8:40/mi
3:00:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
3:06:21
↑ 17↓ 861.7%
23M
8:06/mi
3:16:29
↑ 23↓ 630.6%
24M
7:51/mi
3:24:20
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:31:06
↓ 200.3%
25.2M
8:25/mi
3:34:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:41:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:53:03
Pace8:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:37
Pace8:17 /mi
📊Negative Split: 3.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1426:478:3726:47
8:37
-
10K
6.21 mi11:44:0553:388:3826:51
8:39
+0:02
15K
9.32 mi12:10:561:20:298:3826:51
8:39
0:00
20K
12.43 mi12:37:401:47:138:3826:44
8:36
-0:03
Half
13.11 mi12:43:301:53:038:375:50
8:33
-0:03
25K
15.53 mi13:04:222:13:558:3720:52
8:36
+0:03
30K
18.64 mi13:30:462:40:198:3626:24
8:30
-0:06
20M
20.00 mi13:42:112:51:448:3511:25
8:24
-0:06
21M
21.00 mi13:50:513:00:248:358:40
8:40
+0:16
35K
21.75 mi13:56:483:06:218:345:57
7:57
-0:43
23M
23.00 mi14:06:563:16:298:3310:08
8:06
+0:09
24M
24.00 mi14:14:473:24:208:317:51
7:51
-0:15
40K
24.85 mi14:21:333:31:068:306:46
7:55
+0:04
25.2M
25.20 mi14:24:273:34:008:302:54
8:25
+0:30
Finish
26.22 mi14:32:073:41:408:287:40
7:31
-0:54

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

7:31 /mi

Average Pace

8:28 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:22

17% of race

Time at Steady Pace

3:03:18

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi11:17:1426:478:3726:47
8:37
#18348
10K
6.21 mi11:44:0553:388:3826:51
8:39
#18694
15K
9.32 mi12:10:561:20:298:3826:51
8:39
#18668
20K
12.43 mi12:37:401:47:138:3826:44
8:36
#18373
Half
13.11 mi12:43:301:53:038:375:50
8:33
#18344
25K
15.53 mi13:04:222:13:558:3720:52
8:36
#18076
30K
18.64 mi13:30:462:40:198:3626:24
8:30
#17357
20M
20.00 mi13:42:112:51:448:3511:25
8:24
#17047
21M
21.00 mi13:50:513:00:248:358:40
8:40
#16747
35K
21.75 mi13:56:483:06:218:345:57
7:57
#16577
23M
23.00 mi14:06:563:16:298:3310:08
8:06
#16218
24M
24.00 mi14:14:473:24:208:317:51
7:51
#15969
40K
24.85 mi14:21:333:31:068:306:46
7:55
#15728
25.2M
25.20 mi14:24:273:34:008:302:54
8:25
#15625
Finish
26.22 mi14:32:073:41:408:287:40
7:31
#15362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi183486775677518689(Top 70%)6912(Top 61%)6912(Top 368%)
10K6.21 mi3.10 mi18694-3466941-1666941-16619094(Top 72%)7133(Top 62%)7133(Top 380%)
15K9.32 mi3.11 mi18668+266920+216920+2118689(Top 70%)6912(Top 61%)6912(Top 368%)
20K12.43 mi3.11 mi18373+2956733+1876733+18717517(Top 66%)6234(Top 55%)6234(Top 332%)
Half13.11 mi0.68 mi18344+296713+206713+2017994(Top 68%)6458(Top 57%)6458(Top 344%)
25K15.53 mi2.42 mi18076+2686575+1386575+13816835(Top 63%)5908(Top 52%)5908(Top 315%)
30K18.64 mi3.11 mi17357+7196164+4116164+41114313(Top 54%)4517(Top 40%)4517(Top 241%)
20M20.00 mi1.36 mi17047+3105997+1675997+16713061(Top 49%)3897(Top 34%)3897(Top 208%)
21M21.00 mi1.00 mi16747+3005838+1595838+15911507(Top 43%)3158(Top 28%)3158(Top 168%)
35K21.75 mi0.75 mi16577+1705760+785760+7811860(Top 45%)3367(Top 29%)3367(Top 179%)
23M23.00 mi1.25 mi16218+3595567+1935567+19310468(Top 39%)2762(Top 24%)2762(Top 147%)
24M24.00 mi1.00 mi15969+2495456+1115456+11110214(Top 38%)2707(Top 24%)2707(Top 144%)
40K24.85 mi0.85 mi15728+2415319+1375319+1379521(Top 36%)2436(Top 21%)2436(Top 130%)
25.2M25.20 mi0.35 mi15625+1035264+555264+559097(Top 34%)2323(Top 20%)2323(Top 124%)
Finish26.22 mi1.02 mi15362+2635124+1405124+1408773(Top 33%)2153(Top 19%)2153(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18689

Females

6912

F40-44

6912

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19094

Females

7133

F40-44

7133

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18689

Females

6912

F40-44

6912

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17517

Females

6234

F40-44

6234

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17994

Females

6458

F40-44

6458

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16835

Females

5908

F40-44

5908

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14313

Females

4517

F40-44

4517

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13061

Females

3897

F40-44

3897

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11507

Females

3158

F40-44

3158

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11860

Females

3367

F40-44

3367

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10468

Females

2762

F40-44

2762

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10214

Females

2707

F40-44

2707

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9521

Females

2436

F40-44

2436

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9097

Females

2323

F40-44

2323

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8773

Females

2153

F40-44

2153

Passing Analysis

Category:
Athletes Passed
3765
Passed By
779
Net Change
+2986
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18348
5K → 10K181527-346#18348#18694
10K → 15K190164+26#18694#18668
15K → 20K33439+295#18668#18373
20K → Half5021+29#18373#18344
Half → 25K29123+268#18344#18076
25K → 30K7201+719#18076#17357
30K → 20M3100+310#17357#17047
20M → 21M3022+300#17047#16747
21M → 35K1700+170#16747#16577
35K → 23M3590+359#16577#16218
23M → 24M2490+249#16218#15969
24M → 40K2410+241#15969#15728
40K → 25.2M1030+103#15728#15625
25.2M → Finish2652+263#15625#15362
TOTALS3765779+2986
📊

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