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BOSTON MARATHON 2023

Rebecca Ryon

Bib: 21635•F

UT

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
9:04/mi
28:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
56:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:57/mi
1:23:52
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
1:53:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:59:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:00/mi
2:23:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:53:52
↑ 181↓ 1480.2%
20M
10:29/mi
3:08:07
↑ 64↓ 500.2%
21M
10:28/mi
3:18:35
↑ 106↓ 241.6%
35K· 21.75 mi
9:49/mi
3:25:56
↑ 17↓ 861.7%
23M
10:21/mi
3:38:53
↑ 23↓ 630.6%
24M
10:07/mi
3:49:00
↓ 821.3%
40K· 24.85 mi
10:42/mi
3:58:09
↓ 200.3%
25.2M
11:07/mi
4:01:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:27/mi
4:12:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:15
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:13:23
Pace10:10 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5928:109:0428:10
9:04
-
10K
6.21 mi11:48:5356:049:0127:54
8:59
-0:05
15K
9.32 mi12:16:411:23:529:0027:48
8:57
-0:02
20K
12.43 mi12:45:571:53:089:0629:16
9:25
+0:28
Half
13.11 mi12:52:041:59:159:066:07
8:58
-0:27
25K
15.53 mi13:16:182:23:299:1424:14
10:00
+1:02
30K
18.64 mi13:46:412:53:529:2030:23
9:47
-0:13
20M
20.00 mi14:00:563:08:079:2414:15
10:29
+0:42
21M
21.00 mi14:11:243:18:359:2710:28
10:28
-0:01
35K
21.75 mi14:18:453:25:569:287:21
9:49
-0:39
23M
23.00 mi14:31:423:38:539:3112:57
10:21
+0:32
24M
24.00 mi14:41:493:49:009:3310:07
10:07
-0:14
40K
24.85 mi14:50:583:58:099:359:09
10:42
+0:35
25.2M
25.20 mi14:54:484:01:599:363:50
11:07
+0:25
Finish
26.22 mi15:05:274:12:389:3910:39
10:27
-0:40

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

8:57 /mi

Average Pace

9:39 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:15

47% of race

Time at Steady Pace

1:12:05

29% of race

Time at Slower Pace

1:01:18

24% of race

Average Pace: 9:38 /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 mi11:20:5928:109:0428:10
9:04
#20738
10K
6.21 mi11:48:5356:049:0127:54
8:59
#20736
15K
9.32 mi12:16:411:23:529:0027:48
8:57
#20566
20K
12.43 mi12:45:571:53:089:0629:16
9:25
#20802
Half
13.11 mi12:52:041:59:159:066:07
8:58
#20764
25K
15.53 mi13:16:182:23:299:1424:14
10:00
#21083
30K
18.64 mi13:46:412:53:529:2030:23
9:47
#20925
20M
20.00 mi14:00:563:08:079:2414:15
10:29
#20975
21M
21.00 mi14:11:243:18:359:2710:28
10:28
#20874
35K
21.75 mi14:18:453:25:569:287:21
9:49
#20868
23M
23.00 mi14:31:423:38:539:3112:57
10:21
#20849
24M
24.00 mi14:41:493:49:009:3310:07
10:07
#20853
40K
24.85 mi14:50:583:58:099:359:09
10:42
#20886
25.2M
25.20 mi14:54:484:01:599:363:50
11:07
#20883
Finish
26.22 mi15:05:274:12:389:3910:39
10:27
#20969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi207388241824120273(Top 76%)7829(Top 69%)7829(Top 431%)
10K6.21 mi3.10 mi20736+28163+788163+7820800(Top 78%)8154(Top 71%)8154(Top 449%)
15K9.32 mi3.11 mi20566+1708058+1058058+10520273(Top 76%)7829(Top 69%)7829(Top 431%)
20K12.43 mi3.11 mi20802-2368164-1068164-10621305(Top 80%)8406(Top 74%)8406(Top 463%)
Half13.11 mi0.68 mi20764+388142+228142+2220348(Top 76%)7883(Top 69%)7883(Top 434%)
25K15.53 mi2.42 mi21083-3198312-1708312-17022213(Top 83%)8951(Top 78%)8951(Top 493%)
30K18.64 mi3.11 mi20925+1588235+778235+7720394(Top 77%)7995(Top 70%)7995(Top 440%)
20M20.00 mi1.36 mi20975-508283-488283-4821704(Top 82%)8811(Top 77%)8811(Top 485%)
21M21.00 mi1.00 mi20874+1018240+438240+4319512(Top 73%)7654(Top 67%)7654(Top 421%)
35K21.75 mi0.75 mi20868+68249-98249-920840(Top 78%)8406(Top 74%)8406(Top 463%)
23M23.00 mi1.25 mi20849+198250-18250-120936(Top 79%)8491(Top 74%)8491(Top 467%)
24M24.00 mi1.00 mi20853-48262-128262-1221118(Top 79%)8617(Top 75%)8617(Top 474%)
40K24.85 mi0.85 mi20886-338293-318293-3121718(Top 82%)8998(Top 79%)8998(Top 495%)
25.2M25.20 mi0.35 mi20883+38294-18294-120742(Top 78%)8448(Top 74%)8448(Top 465%)
Finish26.22 mi1.02 mi20969-868353-598353-5922909(Top 86%)9606(Top 84%)9606(Top 529%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20273

Females

7829

F45-49

7829

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20800

Females

8154

F45-49

8154

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20273

Females

7829

F45-49

7829

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21305

Females

8406

F45-49

8406

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20348

Females

7883

F45-49

7883

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22213

Females

8951

F45-49

8951

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20394

Females

7995

F45-49

7995

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21704

Females

8811

F45-49

8811

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19512

Females

7654

F45-49

7654

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20840

Females

8406

F45-49

8406

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20936

Females

8491

F45-49

8491

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21118

Females

8617

F45-49

8617

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21718

Females

8998

F45-49

8998

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20742

Females

8448

F45-49

8448

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22909

Females

9606

F45-49

9606

Passing Analysis

Category:
Athletes Passed
1386
Passed By
1617
Net Change
-231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20738
5K → 10K310308+2#20738#20736
10K → 15K270100+170#20736#20566
15K → 20K87323-236#20566#20802
20K → Half5012+38#20802#20764
Half → 25K30349-319#20764#21083
25K → 30K22870+158#21083#20925
30K → 20M55105-50#20925#20975
20M → 21M12221+101#20975#20874
21M → 35K3832+6#20874#20868
35K → 23M8263+19#20868#20849
23M → 24M4953-4#20849#20853
24M → 40K2861-33#20853#20886
40K → 25.2M1411+3#20886#20883
25.2M → Finish23109-86#20883#20969
TOTALS13861617-231
📊

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