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BOSTON MARATHON 2023

Luanne Zimmermann

Bib: 13439•F

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
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
7:27/mi
23:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:17
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:32:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:37:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:55:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:20:00
↑ 181↓ 1480.2%
20M
7:51/mi
2:30:40
↑ 64↓ 500.2%
21M
8:27/mi
2:39:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:44:51
↑ 17↓ 861.7%
23M
8:04/mi
2:54:57
↑ 23↓ 630.6%
24M
7:57/mi
3:02:54
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:09:49
↓ 200.3%
25.2M
8:51/mi
3:12:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:20:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:29
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4123:107:2723:10
7:27
-
10K
6.21 mi11:14:4446:137:2623:03
7:25
-0:02
15K
9.32 mi11:37:481:09:177:2623:04
7:25
0:00
20K
12.43 mi12:00:591:32:287:2623:11
7:28
+0:03
Half
13.11 mi12:06:001:37:297:265:01
7:21
-0:07
25K
15.53 mi12:24:201:55:497:2718:20
7:34
+0:13
30K
18.64 mi12:48:312:20:007:3124:11
7:47
+0:13
20M
20.00 mi12:59:112:30:407:3210:40
7:51
+0:04
21M
21.00 mi13:07:382:39:077:358:27
8:27
+0:36
35K
21.75 mi13:13:222:44:517:355:44
7:40
-0:47
23M
23.00 mi13:23:282:54:577:3610:06
8:04
+0:24
24M
24.00 mi13:31:253:02:547:377:57
7:57
-0:07
40K
24.85 mi13:38:203:09:497:386:55
8:05
+0:08
25.2M
25.20 mi13:41:233:12:527:393:03
8:51
+0:46
Finish
26.22 mi13:49:223:20:517:407:59
7:50
-1:01

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

7:21 /mi

Average Pace

7:40 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:49

58% of race

Time at Steady Pace

56:31

28% of race

Time at Slower Pace

28:31

14% of race

Average Pace: 7:40 /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 mi10:51:4123:107:2723:10
7:27
#9286
10K
6.21 mi11:14:4446:137:2623:03
7:25
#9487
15K
9.32 mi11:37:481:09:177:2623:04
7:25
#9466
20K
12.43 mi12:00:591:32:287:2623:11
7:28
#9334
Half
13.11 mi12:06:001:37:297:265:01
7:21
#9315
25K
15.53 mi12:24:201:55:497:2718:20
7:34
#9281
30K
18.64 mi12:48:312:20:007:3124:11
7:47
#9235
20M
20.00 mi12:59:112:30:407:3210:40
7:51
#9223
21M
21.00 mi13:07:382:39:077:358:27
8:27
#9243
35K
21.75 mi13:13:222:44:517:355:44
7:40
#9244
23M
23.00 mi13:23:282:54:577:3610:06
8:04
#9265
24M
24.00 mi13:31:253:02:547:377:57
7:57
#9303
40K
24.85 mi13:38:203:09:497:386:55
8:05
#9357
25.2M
25.20 mi13:41:233:12:527:393:03
8:51
#9377
Finish
26.22 mi13:49:223:20:517:407:59
7:50
#9414
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9286152615269571(Top 36%)1652(Top 14%)1652(Top 34%)
10K6.21 mi3.10 mi9487-2011605-791605-799808(Top 37%)1734(Top 15%)1734(Top 36%)
15K9.32 mi3.11 mi9466+211602+31602+39571(Top 36%)1652(Top 14%)1652(Top 34%)
20K12.43 mi3.11 mi9334+1321573+291573+299029(Top 34%)1503(Top 13%)1503(Top 31%)
Half13.11 mi0.68 mi9315+191566+71566+79099(Top 34%)1523(Top 13%)1523(Top 31%)
25K15.53 mi2.42 mi9281+341556+101556+109268(Top 35%)1668(Top 15%)1668(Top 34%)
30K18.64 mi3.11 mi9235+461575-191575-199241(Top 35%)1813(Top 16%)1813(Top 37%)
20M20.00 mi1.36 mi9223+121602-271602-279244(Top 35%)1903(Top 17%)1903(Top 39%)
21M21.00 mi1.00 mi9243-201632-301632-3010187(Top 38%)2462(Top 22%)2462(Top 50%)
35K21.75 mi0.75 mi9244-11649-171649-179727(Top 37%)2231(Top 20%)2231(Top 46%)
23M23.00 mi1.25 mi9265-211684-351684-3510241(Top 38%)2612(Top 23%)2612(Top 53%)
24M24.00 mi1.00 mi9303-381716-321716-3210893(Top 41%)3024(Top 26%)3024(Top 62%)
40K24.85 mi0.85 mi9357-541771-551771-5510650(Top 40%)2954(Top 26%)2954(Top 60%)
25.2M25.20 mi0.35 mi9377-201792-211792-2111589(Top 44%)3485(Top 31%)3485(Top 71%)
Finish26.22 mi1.02 mi9414-371824-321824-3210946(Top 41%)3154(Top 28%)3154(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9571

Females

1652

F18-39

1652

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9808

Females

1734

F18-39

1734

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9571

Females

1652

F18-39

1652

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9029

Females

1503

F18-39

1503

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9099

Females

1523

F18-39

1523

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9268

Females

1668

F18-39

1668

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9241

Females

1813

F18-39

1813

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9244

Females

1903

F18-39

1903

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10187

Females

2462

F18-39

2462

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9727

Females

2231

F18-39

2231

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10241

Females

2612

F18-39

2612

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10893

Females

3024

F18-39

3024

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10650

Females

2954

F18-39

2954

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11589

Females

3485

F18-39

3485

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10946

Females

3154

F18-39

3154

Passing Analysis

Category:
Athletes Passed
1364
Passed By
1492
Net Change
-128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9286
5K → 10K191392-201#9286#9487
10K → 15K170149+21#9487#9466
15K → 20K20876+132#9466#9334
20K → Half3718+19#9334#9315
Half → 25K12995+34#9315#9281
25K → 30K188142+46#9281#9235
30K → 20M8371+12#9235#9223
20M → 21M7898-20#9223#9243
21M → 35K4445-1#9243#9244
35K → 23M7394-21#9244#9265
23M → 24M5492-38#9265#9303
24M → 40K50104-54#9303#9357
40K → 25.2M2343-20#9357#9377
25.2M → Finish3673-37#9377#9414
TOTALS13641492-128
📊

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