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BOSTON MARATHON 2023

Robin Dunlap

Bib: 22850•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:04
Rank: #20620
Start → 5K
28:04 | 9:02/mi
10K· 6.21 mi
58:25
Rank: #22055 (-1435)
5K → 10K
30:21 | 9:46/mi
15K· 9.32 mi
1:28:20
Rank: #22231 (-176)
10K → 15K
29:55 | 9:38/mi
20K· 12.43 mi
1:59:22
Rank: #22414 (-183)
15K → 20K
31:02 | 9:59/mi
Half· 13.11 mi
2:05:58
Rank: #22433 (-19)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:30:44
Rank: #22487 (-54)
Half → 25K
24:46 | 10:13/mi
30K· 18.64 mi
3:04:40
Rank: #22577 (-90)
25K → 30K
33:56 | 10:55/mi
20M
3:20:58
Rank: #22740 (-163)
30K → 20M
16:18 | 12:00/mi
21M
3:32:58
Rank: #22749 (-9)
20M → 21M
12:00 | 12:00/mi
35K· 21.75 mi
3:41:05
Rank: #22760 (-11)
21M → 35K
8:07 | 10:51/mi
23M
3:55:23
Rank: #22784 (-24)
35K → 23M
14:18 | 11:25/mi
24M
4:06:25
Rank: #22788 (-4)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:16:27
Rank: #22823 (-35)
24M → 40K
10:02 | 11:44/mi
25.2M
4:20:56
Rank: #22850 (-27)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:32:35
Rank: #22933 (-83)
25.2M → Finish
11:39 | 11:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:58
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:26:37
Pace11:11 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5428:049:0228:04
9:02
-
10K
6.21 mi11:52:1558:259:2430:21
9:46
+0:44
15K
9.32 mi12:22:101:28:209:2929:55
9:38
-0:08
20K
12.43 mi12:53:121:59:229:3631:02
9:59
+0:21
Half
13.11 mi12:59:482:05:589:376:36
9:40
-0:19
25K
15.53 mi13:24:342:30:449:4224:46
10:13
+0:33
30K
18.64 mi13:58:303:04:409:5433:56
10:55
+0:42
20M
20.00 mi14:14:483:20:5810:0316:18
12:00
+1:05
21M
21.00 mi14:26:483:32:5810:0812:00
12:00
0:00
35K
21.75 mi14:34:553:41:0510:108:07
10:51
-1:09
23M
23.00 mi14:49:133:55:2310:1414:18
11:25
+0:34
24M
24.00 mi15:00:154:06:2510:1611:02
11:02
-0:23
40K
24.85 mi15:10:174:16:2710:1910:02
11:44
+0:42
25.2M
25.20 mi15:14:464:20:5610:214:29
13:00
+1:16
Finish
26.22 mi15:26:254:32:3510:2411:39
11:26
-1:34

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

9:02 /mi

Average Pace

10:24 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:44

55% of race

Time at Steady Pace

1:19:02

29% of race

Time at Slower Pace

42:49

16% of race

Average Pace: 10:24 /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 mi11:21:5428:049:0228:04
9:02
#20620
10K
6.21 mi11:52:1558:259:2430:21
9:46
#22055
15K
9.32 mi12:22:101:28:209:2929:55
9:38
#22231
20K
12.43 mi12:53:121:59:229:3631:02
9:59
#22414
Half
13.11 mi12:59:482:05:589:376:36
9:40
#22433
25K
15.53 mi13:24:342:30:449:4224:46
10:13
#22487
30K
18.64 mi13:58:303:04:409:5433:56
10:55
#22577
20M
20.00 mi14:14:483:20:5810:0316:18
12:00
#22740
21M
21.00 mi14:26:483:32:5810:0812:00
12:00
#22749
35K
21.75 mi14:34:553:41:0510:108:07
10:51
#22760
23M
23.00 mi14:49:133:55:2310:1414:18
11:25
#22784
24M
24.00 mi15:00:154:06:2510:1611:02
11:02
#22788
40K
24.85 mi15:10:174:16:2710:1910:02
11:44
#22823
25.2M
25.20 mi15:14:464:20:5610:214:29
13:00
#22850
Finish
26.22 mi15:26:254:32:3510:2411:39
11:26
#22933
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi206208182818222607(Top 85%)9135(Top 80%)9135(Top 757%)
10K6.21 mi3.10 mi22055-14358885-7038885-70323213(Top 87%)9454(Top 83%)9454(Top 783%)
15K9.32 mi3.11 mi22231-1768954-698954-6922607(Top 85%)9135(Top 80%)9135(Top 757%)
20K12.43 mi3.11 mi22414-1839036-829036-8222889(Top 86%)9298(Top 81%)9298(Top 770%)
Half13.11 mi0.68 mi22433-199051-159051-1522616(Top 85%)9147(Top 80%)9147(Top 758%)
25K15.53 mi2.42 mi22487-549098-479098-4722655(Top 85%)9197(Top 81%)9197(Top 762%)
30K18.64 mi3.11 mi22577-909176-789176-7822970(Top 86%)9450(Top 83%)9450(Top 783%)
20M20.00 mi1.36 mi22740-1639262-869262-8624216(Top 91%)10195(Top 89%)10195(Top 845%)
21M21.00 mi1.00 mi22749-99274-129274-1222745(Top 85%)9415(Top 82%)9415(Top 780%)
35K21.75 mi0.75 mi22760-119291-179291-1723027(Top 86%)9604(Top 84%)9604(Top 796%)
23M23.00 mi1.25 mi22784-249314-239314-2323115(Top 87%)9648(Top 84%)9648(Top 799%)
24M24.00 mi1.00 mi22788-49327-139327-1323118(Top 87%)9693(Top 85%)9693(Top 803%)
40K24.85 mi0.85 mi22823-359347-209347-2023555(Top 88%)9972(Top 87%)9972(Top 826%)
25.2M25.20 mi0.35 mi22850-279362-159362-1523977(Top 90%)10167(Top 89%)10167(Top 842%)
Finish26.22 mi1.02 mi22933-839415-539415-5324604(Top 92%)10458(Top 92%)10458(Top 866%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22607

Females

9135

F50-54

9135

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23213

Females

9454

F50-54

9454

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22607

Females

9135

F50-54

9135

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22889

Females

9298

F50-54

9298

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22616

Females

9147

F50-54

9147

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22655

Females

9197

F50-54

9197

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22970

Females

9450

F50-54

9450

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24216

Females

10195

F50-54

10195

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22745

Females

9415

F50-54

9415

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

23027

Females

9604

F50-54

9604

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23115

Females

9648

F50-54

9648

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23118

Females

9693

F50-54

9693

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23555

Females

9972

F50-54

9972

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23977

Females

10167

F50-54

10167

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24604

Females

10458

F50-54

10458

Passing Analysis

Category:
Athletes Passed
589
Passed By
2902
Net Change
-2313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20620
5K → 10K191454-1435#20620#22055
10K → 15K108284-176#22055#22231
15K → 20K83266-183#22231#22414
20K → Half1736-19#22414#22433
Half → 25K81135-54#22433#22487
25K → 30K83173-90#22487#22577
30K → 20M18181-163#22577#22740
20M → 21M4453-9#22740#22749
21M → 35K2536-11#22749#22760
35K → 23M4266-24#22760#22784
23M → 24M3438-4#22784#22788
24M → 40K1752-35#22788#22823
40K → 25.2M734-27#22823#22850
25.2M → Finish1194-83#22850#22933
TOTALS5892902-2313
📊

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