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BOSTON MARATHON 2023

Simone Horst

Bib: 31688•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
11:55/mi
37:01
↑ 97↓ 3451.5%
10K· 6.21 mi
11:49/mi
1:13:45
↑ 79↓ 1380.4%
15K· 9.32 mi
12:28/mi
1:52:28
↑ 67↓ 78
20K· 12.43 mi
12:00/mi
2:29:45
↑ 106↓ 860.1%
Half· 13.11 mi
11:57/mi
2:37:54
↑ 19↓ 370.5%
25K· 15.53 mi
12:15/mi
3:07:37
↑ 66↓ 880.2%
30K· 18.64 mi
13:12/mi
3:48:38
↑ 181↓ 1480.2%
20M
12:49/mi
4:06:03
↑ 64↓ 500.2%
21M
13:33/mi
4:19:36
↑ 106↓ 241.6%
35K· 21.75 mi
13:23/mi
4:29:37
↑ 17↓ 861.7%
23M
13:57/mi
4:47:05
↑ 23↓ 630.6%
24M
14:32/mi
5:01:37
↓ 821.3%
40K· 24.85 mi
13:11/mi
5:12:53
↓ 200.3%
25.2M
15:13/mi
5:18:08
↑ 13↓ 160.2%
Finish· 26.22 mi
12:52/mi
5:31:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:37:54
Pace12:03 /mi
2nd Half
Distance13.11 mi
Time2:53:21
Pace13:13 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:4537:0111:5537:01
11:55
-
10K
6.21 mi12:34:291:13:4511:5236:44
11:49
-0:06
15K
9.32 mi13:13:121:52:2812:0438:43
12:28
+0:39
20K
12.43 mi13:50:292:29:4512:0337:17
12:00
-0:28
Half
13.11 mi13:58:382:37:5412:038:09
11:57
-0:03
25K
15.53 mi14:28:213:07:3712:0529:43
12:15
+0:18
30K
18.64 mi15:09:223:48:3812:1641:01
13:12
+0:57
20M
20.00 mi15:26:474:06:0312:1817:25
12:49
-0:23
21M
21.00 mi15:40:204:19:3612:2213:33
13:33
+0:44
35K
21.75 mi15:50:214:29:3712:2410:01
13:23
-0:10
23M
23.00 mi16:07:494:47:0512:2917:28
13:57
+0:34
24M
24.00 mi16:22:215:01:3712:3414:32
14:32
+0:35
40K
24.85 mi16:33:375:12:5312:3511:16
13:11
-1:21
25.2M
25.20 mi16:38:525:18:0812:375:15
15:13
+2:02
Finish
26.22 mi16:51:595:31:1512:3913:07
12:52
-2:21

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

11:49 /mi

Average Pace

12:39 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:54

45% of race

Time at Steady Pace

2:01:32

37% of race

Time at Slower Pace

1:00:49

18% of race

Average Pace: 12:38 /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 mi11:57:4537:0111:5537:01
11:55
#26404
10K
6.21 mi12:34:291:13:4511:5236:44
11:49
#26331
15K
9.32 mi13:13:121:52:2812:0438:43
12:28
#26337
20K
12.43 mi13:50:292:29:4512:0337:17
12:00
#26178
Half
13.11 mi13:58:382:37:5412:038:09
11:57
#26173
25K
15.53 mi14:28:213:07:3712:0529:43
12:15
#26066
30K
18.64 mi15:09:223:48:3812:1641:01
13:12
#25997
20M
20.00 mi15:26:474:06:0312:1817:25
12:49
#25939
21M
21.00 mi15:40:204:19:3612:2213:33
13:33
#25880
35K
21.75 mi15:50:214:29:3712:2410:01
13:23
#25884
23M
23.00 mi16:07:494:47:0512:2917:28
13:57
#25891
24M
24.00 mi16:22:215:01:3712:3414:32
14:32
#25932
40K
24.85 mi16:33:375:12:5312:3511:16
13:11
#25914
25.2M
25.20 mi16:38:525:18:0812:375:15
15:13
#25911
Finish
26.22 mi16:51:595:31:1512:3913:07
12:52
#25930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26404112941129426304(Top 99%)11235(Top 98%)11235(Top 598%)
10K6.21 mi3.10 mi26331+7311249+4511249+4526168(Top 98%)11148(Top 98%)11148(Top 594%)
15K9.32 mi3.11 mi26337-611253-411253-426304(Top 99%)11235(Top 98%)11235(Top 598%)
20K12.43 mi3.11 mi26178+15911150+10311150+10325658(Top 96%)10862(Top 95%)10862(Top 578%)
Half13.11 mi0.68 mi26173+511146+411146+425853(Top 97%)10982(Top 96%)10982(Top 585%)
25K15.53 mi2.42 mi26066+10711083+6311083+6325361(Top 95%)10713(Top 94%)10713(Top 570%)
30K18.64 mi3.11 mi25997+6911052+3111052+3125576(Top 96%)10882(Top 95%)10882(Top 579%)
20M20.00 mi1.36 mi25939+5811018+3411018+3425017(Top 94%)10613(Top 93%)10613(Top 565%)
21M21.00 mi1.00 mi25880+5910990+2810990+2824646(Top 93%)10428(Top 91%)10428(Top 555%)
35K21.75 mi0.75 mi25884-410996-610996-625817(Top 97%)11051(Top 97%)11051(Top 588%)
23M23.00 mi1.25 mi25891-711003-711003-725794(Top 97%)11043(Top 97%)11043(Top 588%)
24M24.00 mi1.00 mi25932-4111029-2611029-2626279(Top 99%)11286(Top 99%)11286(Top 601%)
40K24.85 mi0.85 mi25914+1811018+1111018+1125094(Top 94%)10725(Top 94%)10725(Top 571%)
25.2M25.20 mi0.35 mi25911+3110181101825811(Top 97%)11081(Top 97%)11081(Top 590%)
Finish26.22 mi1.02 mi25930-1911029-1111029-1125902(Top 97%)11122(Top 97%)11122(Top 592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26304

Females

11235

F40-44

11235

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26168

Females

11148

F40-44

11148

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26304

Females

11235

F40-44

11235

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25658

Females

10862

F40-44

10862

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25853

Females

10982

F40-44

10982

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25361

Females

10713

F40-44

10713

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25576

Females

10882

F40-44

10882

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25017

Females

10613

F40-44

10613

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24646

Females

10428

F40-44

10428

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25817

Females

11051

F40-44

11051

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25794

Females

11043

F40-44

11043

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26279

Females

11286

F40-44

11286

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25094

Females

10725

F40-44

10725

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25811

Females

11081

F40-44

11081

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25902

Females

11122

F40-44

11122

Passing Analysis

Category:
Athletes Passed
683
Passed By
209
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26404
5K → 10K8916+73#26404#26331
10K → 15K3743-6#26331#26337
15K → 20K1634+159#26337#26178
20K → Half83+5#26178#26173
Half → 25K1125+107#26173#26066
25K → 30K8819+69#26066#25997
30K → 20M602+58#25997#25939
20M → 21M612+59#25939#25880
21M → 35K1014-4#25880#25884
35K → 23M1421-7#25884#25891
23M → 24M344-41#25891#25932
24M → 40K246+18#25932#25914
40K → 25.2M96+3#25914#25911
25.2M → Finish524-19#25911#25930
TOTALS683209+474
📊

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