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BOSTON MARATHON 2023

Caroline Thompson

Bib: 26269•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
10:30/mi
32:38
↑ 97↓ 3451.5%
10K· 6.21 mi
10:45/mi
1:06:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:38:32
↑ 67↓ 78
20K· 12.43 mi
10:30/mi
2:11:10
↑ 106↓ 860.1%
Half· 13.11 mi
10:13/mi
2:18:08
↑ 19↓ 370.5%
25K· 15.53 mi
11:00/mi
2:44:48
↑ 66↓ 880.2%
30K· 18.64 mi
11:37/mi
3:20:52
↑ 181↓ 1480.2%
20M
10:57/mi
3:35:45
↑ 64↓ 500.2%
21M
11:38/mi
3:47:23
↑ 106↓ 241.6%
35K· 21.75 mi
10:52/mi
3:55:31
↑ 17↓ 861.7%
23M
11:25/mi
4:09:49
↑ 23↓ 630.6%
24M
10:43/mi
4:20:32
↓ 821.3%
40K· 24.85 mi
11:38/mi
4:30:29
↓ 200.3%
25.2M
11:39/mi
4:34:30
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
4:45:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:08
Pace10:32 /mi
2nd Half
Distance13.11 mi
Time2:27:05
Pace11:13 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2632:3810:3032:38
10:30
-
10K
6.21 mi12:22:501:06:0210:3833:24
10:45
+0:15
15K
9.32 mi12:55:201:38:3210:3432:30
10:28
-0:17
20K
12.43 mi13:27:582:11:1010:3332:38
10:30
+0:02
Half
13.11 mi13:34:562:18:0810:326:58
10:13
-0:17
25K
15.53 mi14:01:362:44:4810:3726:40
11:00
+0:47
30K
18.64 mi14:37:403:20:5210:4736:04
11:37
+0:37
20M
20.00 mi14:52:333:35:4510:4714:53
10:57
-0:40
21M
21.00 mi15:04:113:47:2310:5011:38
11:38
+0:41
35K
21.75 mi15:12:193:55:3110:508:08
10:52
-0:46
23M
23.00 mi15:26:374:09:4910:5214:18
11:25
+0:33
24M
24.00 mi15:37:204:20:3210:5110:43
10:43
-0:42
40K
24.85 mi15:47:174:30:2910:539:57
11:38
+0:55
25.2M
25.20 mi15:51:184:34:3010:544:01
11:39
+0:01
Finish
26.22 mi16:02:014:45:1310:5310:43
10:31
-1:08

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

10:13 /mi

Average Pace

10:53 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:15

73% of race

Time at Steady Pace

1:15:58

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:53 /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 mi11:49:2632:3810:3032:38
10:30
#24722
10K
6.21 mi12:22:501:06:0210:3833:24
10:45
#24968
15K
9.32 mi12:55:201:38:3210:3432:30
10:28
#24764
20K
12.43 mi13:27:582:11:1010:3332:38
10:30
#24512
Half
13.11 mi13:34:562:18:0810:326:58
10:13
#24469
25K
15.53 mi14:01:362:44:4810:3726:40
11:00
#24375
30K
18.64 mi14:37:403:20:5210:4736:04
11:37
#24301
20M
20.00 mi14:52:333:35:4510:4714:53
10:57
#24176
21M
21.00 mi15:04:113:47:2310:5011:38
11:38
#24076
35K
21.75 mi15:12:193:55:3110:508:08
10:52
#24055
23M
23.00 mi15:26:374:09:4910:5214:18
11:25
#24008
24M
24.00 mi15:37:204:20:3210:5110:43
10:43
#23956
40K
24.85 mi15:47:174:30:2910:539:57
11:38
#23929
25.2M
25.20 mi15:51:184:34:3010:544:01
11:39
#23907
Finish
26.22 mi16:02:014:45:1310:5310:43
10:31
#23883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24722102831028324392(Top 92%)10116(Top 89%)10116(Top 207%)
10K6.21 mi3.10 mi24968-24610414-13110414-13125089(Top 94%)10491(Top 92%)10491(Top 215%)
15K9.32 mi3.11 mi24764+20410319+9510319+9524392(Top 92%)10116(Top 89%)10116(Top 207%)
20K12.43 mi3.11 mi24512+25210182+13710182+13723839(Top 90%)9814(Top 86%)9814(Top 201%)
Half13.11 mi0.68 mi24469+4310161+2110161+2123703(Top 89%)9745(Top 85%)9745(Top 200%)
25K15.53 mi2.42 mi24375+9410115+4610115+4623979(Top 90%)9949(Top 87%)9949(Top 204%)
30K18.64 mi3.11 mi24301+7410097+1810097+1824018(Top 90%)10025(Top 88%)10025(Top 205%)
20M20.00 mi1.36 mi24176+12510040+5710040+5722633(Top 85%)9322(Top 82%)9322(Top 191%)
21M21.00 mi1.00 mi24076+1009987+539987+5322140(Top 83%)9079(Top 79%)9079(Top 186%)
35K21.75 mi0.75 mi24055+219977+109977+1023086(Top 87%)9640(Top 84%)9640(Top 197%)
23M23.00 mi1.25 mi24008+479964+139964+1323121(Top 87%)9654(Top 85%)9654(Top 198%)
24M24.00 mi1.00 mi23956+529938+269938+2622501(Top 85%)9371(Top 82%)9371(Top 192%)
40K24.85 mi0.85 mi23929+279934+49934+423432(Top 88%)9902(Top 87%)9902(Top 203%)
25.2M25.20 mi0.35 mi23907+229927+79927+721901(Top 82%)9085(Top 80%)9085(Top 186%)
Finish26.22 mi1.02 mi23883+249916+119916+1123043(Top 87%)9669(Top 85%)9669(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24392

Females

10116

F18-39

10116

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25089

Females

10491

F18-39

10491

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24392

Females

10116

F18-39

10116

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23839

Females

9814

F18-39

9814

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23703

Females

9745

F18-39

9745

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23979

Females

9949

F18-39

9949

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

24018

Females

10025

F18-39

10025

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22633

Females

9322

F18-39

9322

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22140

Females

9079

F18-39

9079

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23086

Females

9640

F18-39

9640

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23121

Females

9654

F18-39

9654

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22501

Females

9371

F18-39

9371

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23432

Females

9902

F18-39

9902

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21901

Females

9085

F18-39

9085

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23043

Females

9669

F18-39

9669

Passing Analysis

Category:
Athletes Passed
1419
Passed By
580
Net Change
+839
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24722
5K → 10K96342-246#24722#24968
10K → 15K23935+204#24968#24764
15K → 20K26412+252#24764#24512
20K → Half496+43#24512#24469
Half → 25K12531+94#24469#24375
25K → 30K15379+74#24375#24301
30K → 20M1316+125#24301#24176
20M → 21M1033+100#24176#24076
21M → 35K3514+21#24076#24055
35K → 23M6013+47#24055#24008
23M → 24M597+52#24008#23956
24M → 40K4013+27#23956#23929
40K → 25.2M264+22#23929#23907
25.2M → Finish3915+24#23907#23883
TOTALS1419580+839
📊

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