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BOSTON MARATHON 2023

Robin Reilly

Bib: 23776•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
9:00/mi
27:59
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
56:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:30/mi
1:25:49
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
1:55:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:01:32
↑ 19↓ 370.5%
25K· 15.53 mi
10:09/mi
2:26:08
↑ 66↓ 880.2%
30K· 18.64 mi
10:47/mi
2:59:38
↑ 181↓ 1480.2%
20M
10:38/mi
3:14:05
↑ 64↓ 500.2%
21M
11:20/mi
3:25:25
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:32:56
↑ 17↓ 861.7%
23M
10:25/mi
3:45:58
↑ 23↓ 630.6%
24M
10:45/mi
3:56:43
↓ 821.3%
40K· 24.85 mi
10:04/mi
4:05:19
↓ 200.3%
25.2M
11:19/mi
4:09:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
4:19:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:32
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:17:48
Pace10:31 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4827:599:0027:59
9:00
-
10K
6.21 mi11:52:0656:179:0328:18
9:07
+0:07
15K
9.32 mi12:21:381:25:499:1229:32
9:30
+0:23
20K
12.43 mi12:50:531:55:049:1629:15
9:25
-0:05
Half
13.11 mi12:57:212:01:329:166:28
9:29
+0:04
25K
15.53 mi13:21:572:26:089:2424:36
10:09
+0:40
30K
18.64 mi13:55:272:59:389:3833:30
10:47
+0:38
20M
20.00 mi14:09:543:14:059:4214:27
10:38
-0:09
21M
21.00 mi14:21:143:25:259:4711:20
11:20
+0:42
35K
21.75 mi14:28:453:32:569:477:31
10:03
-1:17
23M
23.00 mi14:41:473:45:589:4913:02
10:25
+0:22
24M
24.00 mi14:52:323:56:439:5210:45
10:45
+0:20
40K
24.85 mi15:01:084:05:199:528:36
10:04
-0:41
25.2M
25.20 mi15:05:024:09:139:533:54
11:19
+1:15
Finish
26.22 mi15:15:094:19:209:5410:07
9:56
-1:23

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

9:00 /mi

Average Pace

9:54 /mi

Slowest Pace

11:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:32

47% of race

Time at Steady Pace

1:03:52

25% of race

Time at Slower Pace

1:13:56

29% of race

Average Pace: 9:53 /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 mi11:23:4827:599:0027:59
9:00
#20487
10K
6.21 mi11:52:0656:179:0328:18
9:07
#20895
15K
9.32 mi12:21:381:25:499:1229:32
9:30
#21389
20K
12.43 mi12:50:531:55:049:1629:15
9:25
#21385
Half
13.11 mi12:57:212:01:329:166:28
9:29
#21410
25K
15.53 mi13:21:572:26:089:2424:36
10:09
#21611
30K
18.64 mi13:55:272:59:389:3833:30
10:47
#21874
20M
20.00 mi14:09:543:14:059:4214:27
10:38
#21892
21M
21.00 mi14:21:143:25:259:4711:20
11:20
#21884
35K
21.75 mi14:28:453:32:569:477:31
10:03
#21866
23M
23.00 mi14:41:473:45:589:4913:02
10:25
#21825
24M
24.00 mi14:52:323:56:439:5210:45
10:45
#21857
40K
24.85 mi15:01:084:05:199:528:36
10:04
#21787
25.2M
25.20 mi15:05:024:09:139:533:54
11:19
#21772
Finish
26.22 mi15:15:094:19:209:5410:07
9:56
#21775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi204878111811122284(Top 84%)8954(Top 78%)8954(Top 1099%)
10K6.21 mi3.10 mi20895-4088261-1508261-15021318(Top 80%)8451(Top 74%)8451(Top 1037%)
15K9.32 mi3.11 mi21389-4948495-2348495-23422284(Top 84%)8954(Top 78%)8954(Top 1099%)
20K12.43 mi3.11 mi21385+48486+98486+921290(Top 80%)8396(Top 74%)8396(Top 1030%)
Half13.11 mi0.68 mi21410-258496-108496-1022072(Top 83%)8821(Top 77%)8821(Top 1082%)
25K15.53 mi2.42 mi21611-2018605-1098605-10922514(Top 85%)9122(Top 80%)9122(Top 1119%)
30K18.64 mi3.11 mi21874-2638759-1548759-15422755(Top 85%)9327(Top 82%)9327(Top 1144%)
20M20.00 mi1.36 mi21892-188787-288787-2822014(Top 83%)8987(Top 79%)8987(Top 1103%)
21M21.00 mi1.00 mi21884+88790-38790-321566(Top 81%)8769(Top 77%)8769(Top 1076%)
35K21.75 mi0.75 mi21866+188787+38787+321426(Top 80%)8730(Top 76%)8730(Top 1071%)
23M23.00 mi1.25 mi21825+418778+98778+921104(Top 79%)8587(Top 75%)8587(Top 1054%)
24M24.00 mi1.00 mi21857-328804-268804-2622573(Top 85%)9400(Top 82%)9400(Top 1153%)
40K24.85 mi0.85 mi21787+708783+218783+2120152(Top 76%)8142(Top 71%)8142(Top 999%)
25.2M25.20 mi0.35 mi21772+158779+48779+421167(Top 80%)8689(Top 76%)8689(Top 1066%)
Finish26.22 mi1.02 mi21775-38779877921571(Top 81%)8892(Top 78%)8892(Top 1091%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22284

Females

8954

F55-59

8954

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21318

Females

8451

F55-59

8451

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22284

Females

8954

F55-59

8954

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21290

Females

8396

F55-59

8396

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22072

Females

8821

F55-59

8821

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22514

Females

9122

F55-59

9122

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22755

Females

9327

F55-59

9327

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22014

Females

8987

F55-59

8987

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21566

Females

8769

F55-59

8769

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21426

Females

8730

F55-59

8730

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21104

Females

8587

F55-59

8587

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22573

Females

9400

F55-59

9400

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20152

Females

8142

F55-59

8142

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21167

Females

8689

F55-59

8689

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21571

Females

8892

F55-59

8892

Passing Analysis

Category:
Athletes Passed
851
Passed By
2139
Net Change
-1288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20487
5K → 10K134542-408#20487#20895
10K → 15K36530-494#20895#21389
15K → 20K137133+4#21389#21385
20K → Half1843-25#21385#21410
Half → 25K48249-201#21410#21611
25K → 30K72335-263#21611#21874
30K → 20M7088-18#21874#21892
20M → 21M6153+8#21892#21884
21M → 35K3618+18#21884#21866
35K → 23M8140+41#21866#21825
23M → 24M2355-32#21825#21857
24M → 40K799+70#21857#21787
40K → 25.2M2813+15#21787#21772
25.2M → Finish2831-3#21772#21775
TOTALS8512139-1288
📊

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