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BOSTON MARATHON 2023

Kristen Tenbroek

Bib: 19514•F

NH

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
8:41/mi
27:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
54:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:22:29
↑ 67↓ 78
20K· 12.43 mi
9:29/mi
1:51:58
↑ 106↓ 860.1%
Half· 13.11 mi
9:27/mi
1:58:25
↑ 19↓ 370.5%
25K· 15.53 mi
9:56/mi
2:22:29
↑ 66↓ 880.2%
30K· 18.64 mi
10:21/mi
2:54:39
↑ 181↓ 1480.2%
20M
10:32/mi
3:08:58
↑ 64↓ 500.2%
21M
11:13/mi
3:20:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:52/mi
3:27:34
↑ 17↓ 861.7%
23M
10:29/mi
3:40:42
↑ 23↓ 630.6%
24M
10:13/mi
3:50:55
↓ 821.3%
40K· 24.85 mi
10:29/mi
3:59:53
↓ 200.3%
25.2M
11:10/mi
4:03:44
↑ 13↓ 160.2%
Finish· 26.22 mi
9:55/mi
4:13:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:25
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:15:25
Pace10:20 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4227:008:4127:00
8:41
-
10K
6.21 mi11:48:5954:178:4427:17
8:47
+0:06
15K
9.32 mi12:17:111:22:298:5128:12
9:05
+0:18
20K
12.43 mi12:46:401:51:589:0129:29
9:29
+0:24
Half
13.11 mi12:53:071:58:259:026:27
9:27
-0:02
25K
15.53 mi13:17:112:22:299:1024:04
9:56
+0:29
30K
18.64 mi13:49:212:54:399:2232:10
10:21
+0:25
20M
20.00 mi14:03:403:08:589:2714:19
10:32
+0:11
21M
21.00 mi14:14:533:20:119:3211:13
11:13
+0:41
35K
21.75 mi14:22:163:27:349:337:23
9:52
-1:21
23M
23.00 mi14:35:243:40:429:3613:08
10:29
+0:37
24M
24.00 mi14:45:373:50:559:3710:13
10:13
-0:16
40K
24.85 mi14:54:353:59:539:398:58
10:29
+0:16
25.2M
25.20 mi14:58:264:03:449:403:51
11:10
+0:41
Finish
26.22 mi15:08:324:13:509:4110:06
9:55
-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

8:41 /mi

Average Pace

9:41 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:25

47% of race

Time at Steady Pace

51:46

20% of race

Time at Slower Pace

1:23:39

33% of race

Average Pace: 9:41 /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 mi11:21:4227:008:4127:00
8:41
#18831
10K
6.21 mi11:48:5954:178:4427:17
8:47
#19338
15K
9.32 mi12:17:111:22:298:5128:12
9:05
#19871
20K
12.43 mi12:46:401:51:589:0129:29
9:29
#20414
Half
13.11 mi12:53:071:58:259:026:27
9:27
#20509
25K
15.53 mi13:17:112:22:299:1024:04
9:56
#20843
30K
18.64 mi13:49:212:54:399:2232:10
10:21
#21078
20M
20.00 mi14:03:403:08:589:2714:19
10:32
#21116
21M
21.00 mi14:14:533:20:119:3211:13
11:13
#21138
35K
21.75 mi14:22:163:27:349:337:23
9:52
#21119
23M
23.00 mi14:35:243:40:429:3613:08
10:29
#21110
24M
24.00 mi14:45:373:50:559:3710:13
10:13
#21119
40K
24.85 mi14:54:353:59:539:398:58
10:29
#21121
25.2M
25.20 mi14:58:264:03:449:403:51
11:10
#21116
Finish
26.22 mi15:08:324:13:509:4110:06
9:55
#21134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi188317099709920850(Top 78%)8155(Top 71%)8155(Top 167%)
10K6.21 mi3.10 mi19338-5077361-2627361-26219850(Top 75%)7610(Top 67%)7610(Top 156%)
15K9.32 mi3.11 mi19871-5337667-3067667-30620850(Top 78%)8155(Top 71%)8155(Top 167%)
20K12.43 mi3.11 mi20414-5437952-2857952-28521529(Top 81%)8538(Top 75%)8538(Top 175%)
Half13.11 mi0.68 mi20509-957999-477999-4721990(Top 83%)8776(Top 77%)8776(Top 180%)
25K15.53 mi2.42 mi20843-3348174-1758174-17522050(Top 83%)8860(Top 78%)8860(Top 181%)
30K18.64 mi3.11 mi21078-2358329-1558329-15521895(Top 82%)8845(Top 77%)8845(Top 181%)
20M20.00 mi1.36 mi21116-388366-378366-3721822(Top 82%)8882(Top 78%)8882(Top 182%)
21M21.00 mi1.00 mi21138-228394-288394-2821314(Top 80%)8628(Top 76%)8628(Top 177%)
35K21.75 mi0.75 mi21119+198390+48390+420933(Top 79%)8457(Top 74%)8457(Top 173%)
23M23.00 mi1.25 mi21110+98395-58395-521299(Top 80%)8681(Top 76%)8681(Top 178%)
24M24.00 mi1.00 mi21119-98412-178412-1721377(Top 80%)8771(Top 77%)8771(Top 180%)
40K24.85 mi0.85 mi21121-28418-68418-621193(Top 80%)8721(Top 76%)8721(Top 179%)
25.2M25.20 mi0.35 mi21116+58424-68424-620853(Top 78%)8505(Top 74%)8505(Top 174%)
Finish26.22 mi1.02 mi21134-188442-188442-1821518(Top 81%)8853(Top 78%)8853(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20850

Females

8155

F18-39

8155

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19850

Females

7610

F18-39

7610

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20850

Females

8155

F18-39

8155

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21529

Females

8538

F18-39

8538

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

21990

Females

8776

F18-39

8776

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22050

Females

8860

F18-39

8860

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21895

Females

8845

F18-39

8845

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21822

Females

8882

F18-39

8882

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21314

Females

8628

F18-39

8628

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20933

Females

8457

F18-39

8457

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21299

Females

8681

F18-39

8681

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21377

Females

8771

F18-39

8771

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21193

Females

8721

F18-39

8721

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20853

Females

8505

F18-39

8505

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21518

Females

8853

F18-39

8853

Passing Analysis

Category:
Athletes Passed
736
Passed By
3039
Net Change
-2303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18831
5K → 10K153660-507#18831#19338
10K → 15K47580-533#19338#19871
15K → 20K53596-543#19871#20414
20K → Half9104-95#20414#20509
Half → 25K28362-334#20509#20843
25K → 30K82317-235#20843#21078
30K → 20M5593-38#21078#21116
20M → 21M5678-22#21116#21138
21M → 35K4728+19#21138#21119
35K → 23M6253+9#21119#21110
23M → 24M4251-9#21110#21119
24M → 40K4345-2#21119#21121
40K → 25.2M2217+5#21121#21116
25.2M → Finish3755-18#21116#21134
TOTALS7363039-2303
📊

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