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BOSTON MARATHON 2023

Roisin Ryan

Bib: 21493•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
9:26/mi
29:18
↑ 97↓ 3451.5%
10K· 6.21 mi
9:51/mi
59:53
↑ 79↓ 1380.4%
15K· 9.32 mi
9:52/mi
1:30:32
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
2:01:32
↑ 106↓ 860.1%
Half· 13.11 mi
9:51/mi
2:08:15
↑ 19↓ 370.5%
25K· 15.53 mi
11:23/mi
2:35:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
3:08:51
↑ 181↓ 1480.2%
20M
10:22/mi
3:22:56
↑ 64↓ 500.2%
21M
11:40/mi
3:34:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:33/mi
3:41:45
↑ 17↓ 861.7%
23M
10:27/mi
3:54:50
↑ 23↓ 630.6%
24M
10:24/mi
4:05:14
↓ 821.3%
40K· 24.85 mi
10:34/mi
4:14:16
↓ 200.3%
25.2M
11:36/mi
4:18:16
↑ 13↓ 160.2%
Finish· 26.22 mi
10:19/mi
4:28:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:15
Pace9:47 /mi
2nd Half
Distance13.11 mi
Time2:20:32
Pace10:43 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3029:189:2629:18
9:26
-
10K
6.21 mi11:53:0559:539:3830:35
9:51
+0:25
15K
9.32 mi12:23:441:30:329:4330:39
9:52
+0:01
20K
12.43 mi12:54:442:01:329:4731:00
9:59
+0:07
Half
13.11 mi13:01:272:08:159:476:43
9:51
-0:08
25K
15.53 mi13:29:022:35:5010:0227:35
11:23
+1:32
30K
18.64 mi14:02:033:08:5110:0833:01
10:38
-0:45
20M
20.00 mi14:16:083:22:5610:0914:05
10:22
-0:16
21M
21.00 mi14:27:483:34:3610:1311:40
11:40
+1:18
35K
21.75 mi14:34:573:41:4510:127:09
9:33
-2:07
23M
23.00 mi14:48:023:54:5010:1313:05
10:27
+0:54
24M
24.00 mi14:58:264:05:1410:1310:24
10:24
-0:03
40K
24.85 mi15:07:284:14:1610:149:02
10:34
+0:10
25.2M
25.20 mi15:11:284:18:1610:154:00
11:36
+1:02
Finish
26.22 mi15:21:594:28:4710:1610:31
10:19
-1:17

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

9:26 /mi

Average Pace

10:16 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:24

50% of race

Time at Steady Pace

1:30:08

34% of race

Time at Slower Pace

43:15

16% of race

Average Pace: 10:15 /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 mi11:22:3029:189:2629:18
9:26
#21887
10K
6.21 mi11:53:0559:539:3830:35
9:51
#22716
15K
9.32 mi12:23:441:30:329:4330:39
9:52
#22926
20K
12.43 mi12:54:442:01:329:4731:00
9:59
#22875
Half
13.11 mi13:01:272:08:159:476:43
9:51
#22883
25K
15.53 mi13:29:022:35:5010:0227:35
11:23
#23278
30K
18.64 mi14:02:033:08:5110:0833:01
10:38
#23108
20M
20.00 mi14:16:083:22:5610:0914:05
10:22
#22976
21M
21.00 mi14:27:483:34:3610:1311:40
11:40
#22915
35K
21.75 mi14:34:573:41:4510:127:09
9:33
#22837
23M
23.00 mi14:48:023:54:5010:1313:05
10:27
#22729
24M
24.00 mi14:58:264:05:1410:1310:24
10:24
#22671
40K
24.85 mi15:07:284:14:1610:149:02
10:34
#22636
25.2M
25.20 mi15:11:284:18:1610:154:00
11:36
#22629
Finish
26.22 mi15:21:594:28:4710:1610:31
10:19
#22635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi218878828882823222(Top 87%)9458(Top 83%)9458(Top 521%)
10K6.21 mi3.10 mi22716-8299209-3819209-38123368(Top 88%)9549(Top 84%)9549(Top 526%)
15K9.32 mi3.11 mi22926-2109315-1069315-10623222(Top 87%)9458(Top 83%)9458(Top 521%)
20K12.43 mi3.11 mi22875+519283+329283+3222858(Top 86%)9280(Top 81%)9280(Top 511%)
Half13.11 mi0.68 mi22883-89283928322985(Top 86%)9344(Top 82%)9344(Top 514%)
25K15.53 mi2.42 mi23278-3959501-2189501-21824514(Top 92%)10236(Top 90%)10236(Top 563%)
30K18.64 mi3.11 mi23108+1709442+599442+5922470(Top 84%)9164(Top 80%)9164(Top 504%)
20M20.00 mi1.36 mi22976+1329384+589384+5821443(Top 81%)8669(Top 76%)8669(Top 477%)
21M21.00 mi1.00 mi22915+619363+219363+2122193(Top 83%)9108(Top 80%)9108(Top 501%)
35K21.75 mi0.75 mi22837+789327+369327+3620060(Top 75%)7975(Top 70%)7975(Top 439%)
23M23.00 mi1.25 mi22729+1089286+419286+4121206(Top 80%)8633(Top 76%)8633(Top 475%)
24M24.00 mi1.00 mi22671+589257+299257+2921819(Top 82%)9012(Top 79%)9012(Top 496%)
40K24.85 mi0.85 mi22636+359248+99248+921388(Top 80%)8833(Top 77%)8833(Top 486%)
25.2M25.20 mi0.35 mi22629+79247+19247+121791(Top 82%)9016(Top 79%)9016(Top 496%)
Finish26.22 mi1.02 mi22635-69259-129259-1222619(Top 85%)9456(Top 83%)9456(Top 520%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23222

Females

9458

F45-49

9458

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23368

Females

9549

F45-49

9549

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23222

Females

9458

F45-49

9458

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22858

Females

9280

F45-49

9280

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22985

Females

9344

F45-49

9344

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24514

Females

10236

F45-49

10236

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22470

Females

9164

F45-49

9164

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21443

Females

8669

F45-49

8669

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22193

Females

9108

F45-49

9108

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20060

Females

7975

F45-49

7975

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21206

Females

8633

F45-49

8633

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21819

Females

9012

F45-49

9012

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21388

Females

8833

F45-49

8833

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21791

Females

9016

F45-49

9016

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22619

Females

9456

F45-49

9456

Passing Analysis

Category:
Athletes Passed
1119
Passed By
1867
Net Change
-748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21887
5K → 10K36865-829#21887#22716
10K → 15K79289-210#22716#22926
15K → 20K153102+51#22926#22875
20K → Half2230-8#22875#22883
Half → 25K24419-395#22883#23278
25K → 30K21747+170#23278#23108
30K → 20M1408+132#23108#22976
20M → 21M8019+61#22976#22915
21M → 35K791+78#22915#22837
35K → 23M1135+108#22837#22729
23M → 24M7214+58#22729#22671
24M → 40K4510+35#22671#22636
40K → 25.2M1912+7#22636#22629
25.2M → Finish4046-6#22629#22635
TOTALS11191867-748
📊

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