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BOSTON MARATHON 2023

Cailin Murphy

Bib: 27858•F

MA

0:00
0:00
/ mi
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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

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
11:50/mi
36:46
↑ 97↓ 3451.5%
10K· 6.21 mi
10:59/mi
1:10:54
↑ 79↓ 1380.4%
15K· 9.32 mi
11:27/mi
1:46:28
↑ 67↓ 78
20K· 12.43 mi
11:07/mi
2:20:59
↑ 106↓ 860.1%
Half· 13.11 mi
11:01/mi
2:28:30
↑ 19↓ 370.5%
25K· 15.53 mi
12:48/mi
2:59:31
↑ 66↓ 880.2%
30K· 18.64 mi
11:54/mi
3:36:30
↑ 181↓ 1480.2%
20M
11:58/mi
3:52:46
↑ 64↓ 500.2%
21M
12:48/mi
4:05:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:19/mi
4:14:02
↑ 17↓ 861.7%
23M
11:08/mi
4:27:59
↑ 23↓ 630.6%
24M
11:56/mi
4:39:55
↓ 821.3%
40K· 24.85 mi
13:41/mi
4:51:37
↓ 200.3%
25.2M
14:24/mi
4:56:35
↑ 13↓ 160.2%
Finish· 26.22 mi
11:06/mi
5:07:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:30
Pace11:20 /mi
2nd Half
Distance13.11 mi
Time2:39:24
Pace12:10 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4436:4611:5036:46
11:50
-
10K
6.21 mi12:27:521:10:5411:2534:08
10:59
-0:51
15K
9.32 mi13:03:261:46:2811:2535:34
11:27
+0:28
20K
12.43 mi13:37:572:20:5911:2134:31
11:07
-0:20
Half
13.11 mi13:45:282:28:3011:207:31
11:01
-0:06
25K
15.53 mi14:16:292:59:3111:3331:01
12:48
+1:47
30K
18.64 mi14:53:283:36:3011:3736:59
11:54
-0:54
20M
20.00 mi15:09:443:52:4611:3816:16
11:58
+0:04
21M
21.00 mi15:22:324:05:3411:4212:48
12:48
+0:50
35K
21.75 mi15:31:004:14:0211:418:28
11:19
-1:29
23M
23.00 mi15:44:574:27:5911:3913:57
11:08
-0:11
24M
24.00 mi15:56:534:39:5511:4011:56
11:56
+0:48
40K
24.85 mi16:08:354:51:3711:4411:42
13:41
+1:45
25.2M
25.20 mi16:13:334:56:3511:464:58
14:24
+0:43
Finish
26.22 mi16:24:525:07:5411:4511:19
11:06
-3:18

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

10:59 /mi

Average Pace

11:45 /mi

Slowest Pace

14:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:54

36% of race

Time at Steady Pace

2:17:31

45% of race

Time at Slower Pace

1:00:29

20% of race

Average Pace: 11:45 /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 mi11:53:4436:4611:5036:46
11:50
#26377
10K
6.21 mi12:27:521:10:5411:2534:08
10:59
#26024
15K
9.32 mi13:03:261:46:2811:2535:34
11:27
#25915
20K
12.43 mi13:37:572:20:5911:2134:31
11:07
#25626
Half
13.11 mi13:45:282:28:3011:207:31
11:01
#25598
25K
15.53 mi14:16:292:59:3111:3331:01
12:48
#25650
30K
18.64 mi14:53:283:36:3011:3736:59
11:54
#25443
20M
20.00 mi15:09:443:52:4611:3816:16
11:58
#25371
21M
21.00 mi15:22:324:05:3411:4212:48
12:48
#25313
35K
21.75 mi15:31:004:14:0211:418:28
11:19
#25267
23M
23.00 mi15:44:574:27:5911:3913:57
11:08
#25164
24M
24.00 mi15:56:534:39:5511:4011:56
11:56
#25150
40K
24.85 mi16:08:354:51:3711:4411:42
13:41
#25169
25.2M
25.20 mi16:13:334:56:3511:464:58
14:24
#25181
Finish
26.22 mi16:24:525:07:5411:4511:19
11:06
#25158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26377112751127525663(Top 96%)10844(Top 95%)10844(Top 222%)
10K6.21 mi3.10 mi26024+35311056+21911056+21925457(Top 96%)10706(Top 94%)10706(Top 219%)
15K9.32 mi3.11 mi25915+10910990+6610990+6625663(Top 96%)10844(Top 95%)10844(Top 222%)
20K12.43 mi3.11 mi25626+28910824+16610824+16624765(Top 93%)10345(Top 91%)10345(Top 212%)
Half13.11 mi0.68 mi25598+2810808+1610808+1624972(Top 94%)10484(Top 92%)10484(Top 215%)
25K15.53 mi2.42 mi25650-5210846-3810846-3825754(Top 97%)10934(Top 96%)10934(Top 224%)
30K18.64 mi3.11 mi25443+20710747+9910747+9924395(Top 92%)10219(Top 89%)10219(Top 209%)
20M20.00 mi1.36 mi25371+7210713+3410713+3424180(Top 91%)10176(Top 89%)10176(Top 208%)
21M21.00 mi1.00 mi25313+5810681+3210681+3223837(Top 90%)10003(Top 88%)10003(Top 205%)
35K21.75 mi0.75 mi25267+4610661+2010661+2023850(Top 90%)10060(Top 88%)10060(Top 206%)
23M23.00 mi1.25 mi25164+10310612+4910612+4922636(Top 85%)9400(Top 82%)9400(Top 192%)
24M24.00 mi1.00 mi25150+1410614-210614-224442(Top 92%)10403(Top 91%)10403(Top 213%)
40K24.85 mi0.85 mi25169-1910623-910623-925494(Top 96%)10917(Top 96%)10917(Top 224%)
25.2M25.20 mi0.35 mi25181-1210632-910632-925329(Top 95%)10841(Top 95%)10841(Top 222%)
Finish26.22 mi1.02 mi25158+2310620+1210620+1224161(Top 91%)10236(Top 90%)10236(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25663

Females

10844

F18-39

10844

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25457

Females

10706

F18-39

10706

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25663

Females

10844

F18-39

10844

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24765

Females

10345

F18-39

10345

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24972

Females

10484

F18-39

10484

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25754

Females

10934

F18-39

10934

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24395

Females

10219

F18-39

10219

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24180

Females

10176

F18-39

10176

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23837

Females

10003

F18-39

10003

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23850

Females

10060

F18-39

10060

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22636

Females

9400

F18-39

9400

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24442

Females

10403

F18-39

10403

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25494

Females

10917

F18-39

10917

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25329

Females

10841

F18-39

10841

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24161

Females

10236

F18-39

10236

Passing Analysis

Category:
Athletes Passed
1421
Passed By
202
Net Change
+1219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26377
5K → 10K3541+353#26377#26024
10K → 15K13223+109#26024#25915
15K → 20K2890+289#25915#25626
20K → Half313+28#25626#25598
Half → 25K3587-52#25598#25650
25K → 30K2125+207#25650#25443
30K → 20M753+72#25443#25371
20M → 21M635+58#25371#25313
21M → 35K493+46#25313#25267
35K → 23M1085+103#25267#25164
23M → 24M2612+14#25164#25150
24M → 40K1130-19#25150#25169
40K → 25.2M214-12#25169#25181
25.2M → Finish3411+23#25181#25158
TOTALS1421202+1219
📊

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