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BOSTON MARATHON 2023

Caroline Temmins

Bib: 16820•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 23%
Division (F45-49)
#0 / 1817
Top 25%
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
8:03/mi
25:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:05
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:40:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:45:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:05:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:31:59
↑ 181↓ 1480.2%
20M
8:28/mi
2:43:29
↑ 64↓ 500.2%
21M
9:06/mi
2:52:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:58:36
↑ 17↓ 861.7%
23M
8:22/mi
3:09:05
↑ 23↓ 630.6%
24M
8:08/mi
3:17:13
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:24:20
↓ 200.3%
25.2M
8:45/mi
3:27:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:35:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:49:34
Pace8:21 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2525:028:0325:02
8:03
-
10K
6.21 mi11:40:2850:058:0425:03
8:04
+0:01
15K
9.32 mi12:05:281:15:058:0325:00
8:03
-0:01
20K
12.43 mi12:30:511:40:288:0525:23
8:10
+0:07
Half
13.11 mi12:36:161:45:538:055:25
7:56
-0:14
25K
15.53 mi12:56:102:05:478:0619:54
8:12
+0:16
30K
18.64 mi13:22:222:31:598:0926:12
8:26
+0:14
20M
20.00 mi13:33:522:43:298:1011:30
8:28
+0:02
21M
21.00 mi13:42:582:52:358:139:06
9:06
+0:38
35K
21.75 mi13:48:592:58:368:136:01
8:03
-1:03
23M
23.00 mi13:59:283:09:058:1310:29
8:22
+0:19
24M
24.00 mi14:07:363:17:138:138:08
8:08
-0:14
40K
24.85 mi14:14:433:24:208:137:07
8:19
+0:11
25.2M
25.20 mi14:17:443:27:218:143:01
8:45
+0:26
Finish
26.22 mi14:25:503:35:278:138:06
7:57
-0:48

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

7:56 /mi

Average Pace

8:13 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:20

94% of race

Time at Steady Pace

12:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:15:2525:028:0325:02
8:03
#14416
10K
6.21 mi11:40:2850:058:0425:03
8:04
#14827
15K
9.32 mi12:05:281:15:058:0325:00
8:03
#14793
20K
12.43 mi12:30:511:40:288:0525:23
8:10
#14752
Half
13.11 mi12:36:161:45:538:055:25
7:56
#14710
25K
15.53 mi12:56:102:05:478:0619:54
8:12
#14634
30K
18.64 mi13:22:222:31:598:0926:12
8:26
#14468
20M
20.00 mi13:33:522:43:298:1011:30
8:28
#14369
21M
21.00 mi13:42:582:52:358:139:06
9:06
#14346
35K
21.75 mi13:48:592:58:368:136:01
8:03
#14254
23M
23.00 mi13:59:283:09:058:1310:29
8:22
#14102
24M
24.00 mi14:07:363:17:138:138:08
8:08
#14003
40K
24.85 mi14:14:433:24:208:137:07
8:19
#13897
25.2M
25.20 mi14:17:443:27:218:143:01
8:45
#13862
Finish
26.22 mi14:25:503:35:278:138:06
7:57
#13757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi144164280428014783(Top 56%)4556(Top 40%)4556(Top 251%)
10K6.21 mi3.10 mi14827-4114541-2614541-26115265(Top 57%)4834(Top 42%)4834(Top 266%)
15K9.32 mi3.11 mi14793+344535+64535+614783(Top 56%)4556(Top 40%)4556(Top 251%)
20K12.43 mi3.11 mi14752+414527+84527+814753(Top 55%)4558(Top 40%)4558(Top 251%)
Half13.11 mi0.68 mi14710+424503+244503+2413944(Top 52%)4053(Top 35%)4053(Top 223%)
25K15.53 mi2.42 mi14634+764487+164487+1614291(Top 54%)4383(Top 38%)4383(Top 241%)
30K18.64 mi3.11 mi14468+1664428+594428+5913892(Top 52%)4266(Top 37%)4266(Top 235%)
20M20.00 mi1.36 mi14369+994404+244404+2413433(Top 50%)4093(Top 36%)4093(Top 225%)
21M21.00 mi1.00 mi14346+234408-44408-414003(Top 53%)4486(Top 39%)4486(Top 247%)
35K21.75 mi0.75 mi14254+924364+444364+4412481(Top 47%)3700(Top 32%)3700(Top 204%)
23M23.00 mi1.25 mi14102+1524290+744290+7412429(Top 47%)3759(Top 33%)3759(Top 207%)
24M24.00 mi1.00 mi14003+994253+374253+3712175(Top 46%)3686(Top 32%)3686(Top 203%)
40K24.85 mi0.85 mi13897+1064208+454208+4512249(Top 46%)3806(Top 33%)3806(Top 209%)
25.2M25.20 mi0.35 mi13862+354195+134195+1311124(Top 42%)3282(Top 29%)3282(Top 181%)
Finish26.22 mi1.02 mi13757+1054144+514144+5111778(Top 44%)3598(Top 31%)3598(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14783

Females

4556

F45-49

4556

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15265

Females

4834

F45-49

4834

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14783

Females

4556

F45-49

4556

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14753

Females

4558

F45-49

4558

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13944

Females

4053

F45-49

4053

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14291

Females

4383

F45-49

4383

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13892

Females

4266

F45-49

4266

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13433

Females

4093

F45-49

4093

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14003

Females

4486

F45-49

4486

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12481

Females

3700

F45-49

3700

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12429

Females

3759

F45-49

3759

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12175

Females

3686

F45-49

3686

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12249

Females

3806

F45-49

3806

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11124

Females

3282

F45-49

3282

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11778

Females

3598

F45-49

3598

Passing Analysis

Category:
Athletes Passed
1959
Passed By
1300
Net Change
+659
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14416
5K → 10K142553-411#14416#14827
10K → 15K206172+34#14827#14793
15K → 20K203162+41#14793#14752
20K → Half5412+42#14752#14710
Half → 25K183107+76#14710#14634
25K → 30K25286+166#14634#14468
30K → 20M14142+99#14468#14369
20M → 21M8663+23#14369#14346
21M → 35K1019+92#14346#14254
35K → 23M17826+152#14254#14102
23M → 24M11920+99#14102#14003
24M → 40K12317+106#14003#13897
40K → 25.2M4611+35#13897#13862
25.2M → Finish12520+105#13862#13757
TOTALS19591300+659
📊

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