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BOSTON MARATHON 2023

Rhiannon Horton

Bib: 17677•F

OH

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0:00
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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

Start
0:00:00
Race begins
5K· 3.11 mi
26:41
Rank: #18172
Start → 5K
26:41 | 8:35/mi
10K· 6.21 mi
52:57
Rank: #18041 (+131)
5K → 10K
26:16 | 8:27/mi
15K· 9.32 mi
1:20:19
Rank: #18580 (-539)
10K → 15K
27:22 | 8:49/mi
20K· 12.43 mi
1:48:47
Rank: #19084 (-504)
15K → 20K
28:28 | 9:10/mi
Half· 13.11 mi
1:54:57
Rank: #19163 (-79)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:17:50
Rank: #19479 (-316)
Half → 25K
22:53 | 9:26/mi
30K· 18.64 mi
2:48:11
Rank: #19694 (-215)
25K → 30K
30:21 | 9:46/mi
20M
3:01:35
Rank: #19724 (-30)
30K → 20M
13:24 | 9:52/mi
21M
3:11:56
Rank: #19680 (+44)
20M → 21M
10:21 | 10:21/mi
35K· 21.75 mi
3:19:29
Rank: #19776 (-96)
21M → 35K
7:33 | 10:06/mi
23M
3:31:58
Rank: #19792 (-16)
35K → 23M
12:29 | 9:58/mi
24M
3:41:43
Rank: #19822 (-30)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:50:01
Rank: #19793 (+29)
24M → 40K
8:18 | 9:42/mi
25.2M
3:53:27
Rank: #19756 (+37)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
4:02:24
Rank: #19675 (+81)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:57
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:07:27
Pace9:43 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4226:418:3526:41
8:35
-
10K
6.21 mi11:42:5852:578:3126:16
8:27
-0:08
15K
9.32 mi12:10:201:20:198:3727:22
8:49
+0:22
20K
12.43 mi12:38:481:48:478:4528:28
9:10
+0:21
Half
13.11 mi12:44:581:54:578:466:10
9:02
-0:08
25K
15.53 mi13:07:512:17:508:5222:53
9:26
+0:24
30K
18.64 mi13:38:122:48:119:0130:21
9:46
+0:20
20M
20.00 mi13:51:363:01:359:0513:24
9:52
+0:06
21M
21.00 mi14:01:573:11:569:0810:21
10:21
+0:29
35K
21.75 mi14:09:303:19:299:107:33
10:06
-0:15
23M
23.00 mi14:21:593:31:589:1312:29
9:58
-0:08
24M
24.00 mi14:31:443:41:439:149:45
9:45
-0:13
40K
24.85 mi14:40:023:50:019:158:18
9:42
-0:03
25.2M
25.20 mi14:43:283:53:279:163:26
9:57
+0:15
Finish
26.22 mi14:52:254:02:249:158:57
8:47
-1:10

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

8:27 /mi

Average Pace

9:15 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:54

51% of race

Time at Steady Pace

1:40:36

42% of race

Time at Slower Pace

17:54

7% of race

Average Pace: 9:15 /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 mi11:16:4226:418:3526:41
8:35
#18172
10K
6.21 mi11:42:5852:578:3126:16
8:27
#18041
15K
9.32 mi12:10:201:20:198:3727:22
8:49
#18580
20K
12.43 mi12:38:481:48:478:4528:28
9:10
#19084
Half
13.11 mi12:44:581:54:578:466:10
9:02
#19163
25K
15.53 mi13:07:512:17:508:5222:53
9:26
#19479
30K
18.64 mi13:38:122:48:119:0130:21
9:46
#19694
20M
20.00 mi13:51:363:01:359:0513:24
9:52
#19724
21M
21.00 mi14:01:573:11:569:0810:21
10:21
#19680
35K
21.75 mi14:09:303:19:299:107:33
10:06
#19776
23M
23.00 mi14:21:593:31:589:1312:29
9:58
#19792
24M
24.00 mi14:31:443:41:439:149:45
9:45
#19822
40K
24.85 mi14:40:023:50:019:158:18
9:42
#19793
25.2M
25.20 mi14:43:283:53:279:163:26
9:57
#19756
Finish
26.22 mi14:52:254:02:249:158:57
8:47
#19675
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi181726667666719580(Top 74%)7433(Top 65%)7433(Top 152%)
10K6.21 mi3.10 mi18041+1316563+1046563+10417975(Top 68%)6464(Top 57%)6464(Top 132%)
15K9.32 mi3.11 mi18580-5396869-3066869-30619580(Top 74%)7433(Top 65%)7433(Top 152%)
20K12.43 mi3.11 mi19084-5047167-2987167-29820423(Top 77%)7916(Top 69%)7916(Top 162%)
Half13.11 mi0.68 mi19163-797214-477214-4720609(Top 77%)8022(Top 70%)8022(Top 164%)
25K15.53 mi2.42 mi19479-3167408-1947408-19420633(Top 78%)8065(Top 71%)8065(Top 165%)
30K18.64 mi3.11 mi19694-2157546-1387546-13820364(Top 76%)7976(Top 70%)7976(Top 163%)
20M20.00 mi1.36 mi19724-307574-287574-2820057(Top 75%)7886(Top 69%)7886(Top 161%)
21M21.00 mi1.00 mi19680+447558+167558+1619163(Top 72%)7443(Top 65%)7443(Top 152%)
35K21.75 mi0.75 mi19776-967617-597617-5921535(Top 81%)8787(Top 77%)8787(Top 180%)
23M23.00 mi1.25 mi19792-167642-257642-2519915(Top 75%)7906(Top 69%)7906(Top 162%)
24M24.00 mi1.00 mi19822-307663-217663-2120069(Top 75%)8009(Top 70%)8009(Top 164%)
40K24.85 mi0.85 mi19793+297664-17664-119064(Top 72%)7534(Top 66%)7534(Top 154%)
25.2M25.20 mi0.35 mi19756+377644+207644+2017272(Top 65%)6598(Top 58%)6598(Top 135%)
Finish26.22 mi1.02 mi19675+817602+427602+4216988(Top 64%)6375(Top 56%)6375(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19580

Females

7433

F18-39

7433

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

17975

Females

6464

F18-39

6464

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19580

Females

7433

F18-39

7433

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20423

Females

7916

F18-39

7916

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20609

Females

8022

F18-39

8022

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20633

Females

8065

F18-39

8065

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20364

Females

7976

F18-39

7976

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20057

Females

7886

F18-39

7886

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19163

Females

7443

F18-39

7443

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21535

Females

8787

F18-39

8787

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19915

Females

7906

F18-39

7906

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20069

Females

8009

F18-39

8009

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19064

Females

7534

F18-39

7534

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17272

Females

6598

F18-39

6598

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16988

Females

6375

F18-39

6375

Passing Analysis

Category:
Athletes Passed
1154
Passed By
2657
Net Change
-1503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18172
5K → 10K386255+131#18172#18041
10K → 15K51590-539#18041#18580
15K → 20K45549-504#18580#19084
20K → Half988-79#19084#19163
Half → 25K47363-316#19163#19479
25K → 30K107322-215#19479#19694
30K → 20M75105-30#19694#19724
20M → 21M10561+44#19724#19680
21M → 35K20116-96#19680#19776
35K → 23M6581-16#19776#19792
23M → 24M4171-30#19792#19822
24M → 40K6435+29#19822#19793
40K → 25.2M425+37#19793#19756
25.2M → Finish9716+81#19756#19675
TOTALS11542657-1503
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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