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BOSTON MARATHON 2023

Cailie Trombley

Bib: 29975•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:36
Rank: #22180
Start → 5K
29:36 | 9:32/mi
10K· 6.21 mi
59:00
Rank: #22317 (-137)
5K → 10K
29:24 | 9:28/mi
15K· 9.32 mi
1:27:56
Rank: #22098 (+219)
10K → 15K
28:56 | 9:19/mi
20K· 12.43 mi
1:56:34
Rank: #21740 (+358)
15K → 20K
28:38 | 9:13/mi
Half· 13.11 mi
2:02:42
Rank: #21702 (+38)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:25:08
Rank: #21412 (+290)
Half → 25K
22:26 | 9:15/mi
30K· 18.64 mi
2:54:06
Rank: #20964 (+448)
25K → 30K
28:58 | 9:19/mi
20M
3:06:57
Rank: #20781 (+183)
30K → 20M
12:51 | 9:27/mi
21M
3:17:15
Rank: #20654 (+127)
20M → 21M
10:18 | 10:18/mi
35K· 21.75 mi
3:24:05
Rank: #20582 (+72)
21M → 35K
6:50 | 9:08/mi
23M
3:36:08
Rank: #20455 (+127)
35K → 23M
12:03 | 9:37/mi
24M
3:45:58
Rank: #20441 (+14)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:54:08
Rank: #20363 (+78)
24M → 40K
8:10 | 9:33/mi
25.2M
3:57:58
Rank: #20364 (-1)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
4:08:01
Rank: #20395 (-31)
25.2M → Finish
10:03 | 9:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:42
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:05:19
Pace9:34 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4229:369:3229:36
9:32
-
10K
6.21 mi12:23:0659:009:3029:24
9:28
-0:04
15K
9.32 mi12:52:021:27:569:2628:56
9:19
-0:09
20K
12.43 mi13:20:401:56:349:2328:38
9:13
-0:06
Half
13.11 mi13:26:482:02:429:226:08
8:59
-0:14
25K
15.53 mi13:49:142:25:089:2122:26
9:15
+0:16
30K
18.64 mi14:18:122:54:069:2028:58
9:19
+0:04
20M
20.00 mi14:31:033:06:579:2112:51
9:27
+0:08
21M
21.00 mi14:41:213:17:159:2410:18
10:18
+0:51
35K
21.75 mi14:48:113:24:059:236:50
9:08
-1:10
23M
23.00 mi15:00:143:36:089:2412:03
9:37
+0:29
24M
24.00 mi15:10:043:45:589:259:50
9:50
+0:13
40K
24.85 mi15:18:143:54:089:258:10
9:33
-0:17
25.2M
25.20 mi15:22:043:57:589:273:50
11:07
+1:34
Finish
26.22 mi15:32:074:08:019:2810:03
9:52
-1:15

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

8:59 /mi

Average Pace

9:28 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:58

5% of race

Time at Steady Pace

3:21:02

81% of race

Time at Slower Pace

34:01

14% of race

Average Pace: 9:28 /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 mi11:53:4229:369:3229:36
9:32
#22180
10K
6.21 mi12:23:0659:009:3029:24
9:28
#22317
15K
9.32 mi12:52:021:27:569:2628:56
9:19
#22098
20K
12.43 mi13:20:401:56:349:2328:38
9:13
#21740
Half
13.11 mi13:26:482:02:429:226:08
8:59
#21702
25K
15.53 mi13:49:142:25:089:2122:26
9:15
#21412
30K
18.64 mi14:18:122:54:069:2028:58
9:19
#20964
20M
20.00 mi14:31:033:06:579:2112:51
9:27
#20781
21M
21.00 mi14:41:213:17:159:2410:18
10:18
#20654
35K
21.75 mi14:48:113:24:059:236:50
9:08
#20582
23M
23.00 mi15:00:143:36:089:2412:03
9:37
#20455
24M
24.00 mi15:10:043:45:589:259:50
9:50
#20441
40K
24.85 mi15:18:143:54:089:258:10
9:33
#20363
25.2M
25.20 mi15:22:043:57:589:273:50
11:07
#20364
Finish
26.22 mi15:32:074:08:019:2810:03
9:52
#20395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221808966896621685(Top 81%)8605(Top 75%)8605(Top 176%)
10K6.21 mi3.10 mi22317-1379006-409006-4022413(Top 84%)9038(Top 79%)9038(Top 185%)
15K9.32 mi3.11 mi22098+2198891+1158891+11521685(Top 81%)8605(Top 75%)8605(Top 176%)
20K12.43 mi3.11 mi21740+3588675+2168675+21620646(Top 78%)8029(Top 70%)8029(Top 164%)
Half13.11 mi0.68 mi21702+388661+148661+1420432(Top 77%)7930(Top 69%)7930(Top 162%)
25K15.53 mi2.42 mi21412+2908493+1688493+16820041(Top 75%)7719(Top 68%)7719(Top 158%)
30K18.64 mi3.11 mi20964+4488261+2328261+23218733(Top 70%)7050(Top 62%)7050(Top 144%)
20M20.00 mi1.36 mi20781+1838163+988163+9818716(Top 70%)7148(Top 63%)7148(Top 146%)
21M21.00 mi1.00 mi20654+1278110+538110+5319041(Top 72%)7368(Top 65%)7368(Top 151%)
35K21.75 mi0.75 mi20582+728082+288082+2818522(Top 70%)7130(Top 62%)7130(Top 146%)
23M23.00 mi1.25 mi20455+1278028+548028+5418847(Top 71%)7321(Top 64%)7321(Top 150%)
24M24.00 mi1.00 mi20441+148030-28030-220339(Top 76%)8175(Top 72%)8175(Top 167%)
40K24.85 mi0.85 mi20363+787991+397991+3918542(Top 70%)7246(Top 63%)7246(Top 148%)
25.2M25.20 mi0.35 mi20364-18001-108001-1020736(Top 78%)8442(Top 74%)8442(Top 173%)
Finish26.22 mi1.02 mi20395-318025-248025-2421357(Top 80%)8750(Top 77%)8750(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21685

Females

8605

F18-39

8605

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22413

Females

9038

F18-39

9038

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21685

Females

8605

F18-39

8605

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20646

Females

8029

F18-39

8029

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20432

Females

7930

F18-39

7930

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

20041

Females

7719

F18-39

7719

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18733

Females

7050

F18-39

7050

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18716

Females

7148

F18-39

7148

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19041

Females

7368

F18-39

7368

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18522

Females

7130

F18-39

7130

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18847

Females

7321

F18-39

7321

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20339

Females

8175

F18-39

8175

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18542

Females

7246

F18-39

7246

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20736

Females

8442

F18-39

8442

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21357

Females

8750

F18-39

8750

Passing Analysis

Category:
Athletes Passed
2393
Passed By
608
Net Change
+1785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22180
5K → 10K181318-137#22180#22317
10K → 15K29273+219#22317#22098
15K → 20K37618+358#22098#21740
20K → Half457+38#21740#21702
Half → 25K2999+290#21702#21412
25K → 30K4568+448#21412#20964
30K → 20M1929+183#20964#20781
20M → 21M14114+127#20781#20654
21M → 35K8210+72#20654#20582
35K → 23M13811+127#20582#20455
23M → 24M5238+14#20455#20441
24M → 40K835+78#20441#20363
40K → 25.2M2223-1#20363#20364
25.2M → Finish3465-31#20364#20395
TOTALS2393608+1785
📊

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