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BOSTON MARATHON 2023

Anna Maier

Bib: 31840•F

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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:51/mi
55:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:24:26
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
1:55:13
↑ 106↓ 860.1%
Half· 13.11 mi
9:46/mi
2:01:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:26:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:25/mi
2:58:23
↑ 181↓ 1480.2%
20M
10:31/mi
3:12:40
↑ 64↓ 500.2%
21M
12:21/mi
3:25:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:47/mi
3:32:20
↑ 17↓ 861.7%
23M
10:35/mi
3:45:35
↑ 23↓ 630.6%
24M
10:06/mi
3:55:41
↓ 821.3%
40K· 24.85 mi
9:49/mi
4:04:05
↓ 200.3%
25.2M
10:29/mi
4:07:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
4:17:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:53
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:15:19
Pace10:19 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3928:039:0228:03
9:02
-
10K
6.21 mi12:15:1055:348:5727:31
8:51
-0:11
15K
9.32 mi12:44:021:24:269:0428:52
9:17
+0:26
20K
12.43 mi13:14:491:55:139:1630:47
9:54
+0:37
Half
13.11 mi13:21:292:01:539:186:40
9:46
-0:08
25K
15.53 mi13:45:382:26:029:2424:09
9:58
+0:12
30K
18.64 mi14:17:592:58:239:3432:21
10:25
+0:27
20M
20.00 mi14:32:163:12:409:3814:17
10:31
+0:06
21M
21.00 mi14:44:373:25:019:4612:21
12:21
+1:50
35K
21.75 mi14:51:563:32:209:467:19
9:47
-2:34
23M
23.00 mi15:05:113:45:359:4813:15
10:35
+0:48
24M
24.00 mi15:15:173:55:419:4910:06
10:06
-0:29
40K
24.85 mi15:23:414:04:059:498:24
9:49
-0:17
25.2M
25.20 mi15:27:184:07:429:503:37
10:29
+0:40
Finish
26.22 mi15:36:484:17:129:499:30
9:19
-1:10

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

8:51 /mi

Average Pace

9:49 /mi

Slowest Pace

12:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:56

37% of race

Time at Steady Pace

1:27:25

34% of race

Time at Slower Pace

1:15:51

29% of race

Average Pace: 9:49 /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 mi11:47:3928:039:0228:03
9:02
#20587
10K
6.21 mi12:15:1055:348:5727:31
8:51
#20404
15K
9.32 mi12:44:021:24:269:0428:52
9:17
#20837
20K
12.43 mi13:14:491:55:139:1630:47
9:54
#21425
Half
13.11 mi13:21:292:01:539:186:40
9:46
#21491
25K
15.53 mi13:45:382:26:029:2424:09
9:58
#21591
30K
18.64 mi14:17:592:58:239:3432:21
10:25
#21667
20M
20.00 mi14:32:163:12:409:3814:17
10:31
#21684
21M
21.00 mi14:44:373:25:019:4612:21
12:21
#21827
35K
21.75 mi14:51:563:32:209:467:19
9:47
#21795
23M
23.00 mi15:05:113:45:359:4813:15
10:35
#21770
24M
24.00 mi15:15:173:55:419:4910:06
10:06
#21744
40K
24.85 mi15:23:414:04:059:498:24
9:49
#21669
25.2M
25.20 mi15:27:184:07:429:503:37
10:29
#21629
Finish
26.22 mi15:36:484:17:129:499:30
9:19
#21542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi205878163816321609(Top 81%)8562(Top 75%)8562(Top 175%)
10K6.21 mi3.10 mi20404+1837980+1837980+18320216(Top 76%)7833(Top 69%)7833(Top 160%)
15K9.32 mi3.11 mi20837-4338196-2168196-21621609(Top 81%)8562(Top 75%)8562(Top 175%)
20K12.43 mi3.11 mi21425-5888510-3148510-31422667(Top 85%)9173(Top 80%)9173(Top 188%)
Half13.11 mi0.68 mi21491-668541-318541-3122803(Top 86%)9240(Top 81%)9240(Top 189%)
25K15.53 mi2.42 mi21591-1008596-558596-5522131(Top 83%)8908(Top 78%)8908(Top 182%)
30K18.64 mi3.11 mi21667-768648-528648-5222030(Top 83%)8925(Top 78%)8925(Top 183%)
20M20.00 mi1.36 mi21684-178668-208668-2021760(Top 82%)8849(Top 77%)8849(Top 181%)
21M21.00 mi1.00 mi21827-1438755-878755-8723268(Top 87%)9687(Top 85%)9687(Top 198%)
35K21.75 mi0.75 mi21795+328750+58750+520716(Top 78%)8347(Top 73%)8347(Top 171%)
23M23.00 mi1.25 mi21770+258752-28752-221521(Top 81%)8799(Top 77%)8799(Top 180%)
24M24.00 mi1.00 mi21744+268746+68746+621078(Top 79%)8595(Top 75%)8595(Top 176%)
40K24.85 mi0.85 mi21669+758719+278719+2719487(Top 73%)7768(Top 68%)7768(Top 159%)
25.2M25.20 mi0.35 mi21629+408702+178702+1719129(Top 72%)7590(Top 66%)7590(Top 155%)
Finish26.22 mi1.02 mi21542+878659+438659+4319482(Top 73%)7725(Top 68%)7725(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21609

Females

8562

F18-39

8562

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20216

Females

7833

F18-39

7833

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21609

Females

8562

F18-39

8562

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22667

Females

9173

F18-39

9173

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22803

Females

9240

F18-39

9240

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22131

Females

8908

F18-39

8908

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22030

Females

8925

F18-39

8925

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21760

Females

8849

F18-39

8849

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23268

Females

9687

F18-39

9687

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20716

Females

8347

F18-39

8347

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21521

Females

8799

F18-39

8799

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21078

Females

8595

F18-39

8595

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19487

Females

7768

F18-39

7768

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19129

Females

7590

F18-39

7590

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19482

Females

7725

F18-39

7725

Passing Analysis

Category:
Athletes Passed
1166
Passed By
2121
Net Change
-955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20587
5K → 10K412229+183#20587#20404
10K → 15K64497-433#20404#20837
15K → 20K24612-588#20837#21425
20K → Half975-66#21425#21491
Half → 25K71171-100#21491#21591
25K → 30K112188-76#21591#21667
30K → 20M5471-17#21667#21684
20M → 21M21164-143#21684#21827
21M → 35K4513+32#21827#21795
35K → 23M7752+25#21795#21770
23M → 24M5529+26#21770#21744
24M → 40K805+75#21744#21669
40K → 25.2M455+40#21669#21629
25.2M → Finish9710+87#21629#21542
TOTALS11662121-955
📊

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