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BOSTON MARATHON 2023

Angela Alibrandi

MA

Bib: 27031 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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:56/mi
30:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:56/mi
58:36
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:59/mi
1:26:32
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:11/mi
1:55:04
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:51/mi
2:01:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:02/mi
2:26:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:29/mi
2:58:41
↑ 181↓ 1480.2%
138 ft elev
20M
11:45/mi
3:14:39
↑ 64↓ 500.2%
148 ft elev
21M
11:40/mi
3:26:19
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:30/mi
3:34:10
↑ 17↓ 861.7%
156 ft elev
23M
11:31/mi
3:48:35
↑ 23↓ 630.6%
116 ft elev
24M
10:53/mi
3:59:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:28/mi
4:09:16
↓ 200.3%
20 ft elev
25.2M
12:14/mi
4:13:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:19/mi
4:24:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:01:479:17 /mi⚡ faster
2nd Half
2:22:1310:51 /mi+16.8%
Positive split — 16.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1930:529:5630:52
9:56
-
10K
6.21 mi12:16:0358:369:2627:44
8:56
-1:00
15K
9.32 mi12:43:591:26:329:1727:56
8:59
+0:03
20K
12.43 mi13:12:311:55:049:1628:32
9:11
+0:12
Half
13.11 mi13:19:142:01:479:176:43
9:51
+0:40
25K
15.53 mi13:43:342:26:079:2424:20
10:02
+0:11
30K
18.64 mi14:16:082:58:419:3532:34
10:29
+0:27
20M
20.00 mi14:32:063:14:399:4415:58
11:45
+1:16
21M
21.00 mi14:43:463:26:199:4911:40
11:40
-0:05
35K
21.75 mi14:51:373:34:109:517:51
10:30
-1:10
23M
23.00 mi15:06:023:48:359:5614:25
11:31
+1:01
24M
24.00 mi15:16:553:59:289:5910:53
10:53
-0:38
40K
24.85 mi15:26:434:09:1610:029:48
11:28
+0:35
25.2M
25.20 mi15:30:564:13:2910:044:13
12:14
+0:46
Finish
26.22 mi15:41:274:24:0010:0510:31
10:19
-1:55

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

8:56 /mi

Average Pace

10:05 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:01:47

46% of race

Time at Steady Pace

1:26:09

33% of race

Time at Slower Pace

56:04

21% of race

Average Pace: 10:04 /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 mi11:48:1930:529:5630:52
9:56
#23294
10K
6.21 mi12:16:0358:369:2627:44
8:56
#22150
15K
9.32 mi12:43:591:26:329:1727:56
8:59
#21652
20K
12.43 mi13:12:311:55:049:1628:32
9:11
#21386
Half
13.11 mi13:19:142:01:479:176:43
9:51
#21465
25K
15.53 mi13:43:342:26:079:2424:20
10:02
#21609
30K
18.64 mi14:16:082:58:419:3532:34
10:29
#21705
20M
20.00 mi14:32:063:14:399:4415:58
11:45
#21970
21M
21.00 mi14:43:463:26:199:4911:40
11:40
#21999
35K
21.75 mi14:51:373:34:109:517:51
10:30
#22021
23M
23.00 mi15:06:023:48:359:5614:25
11:31
#22098
24M
24.00 mi15:16:553:59:289:5910:53
10:53
#22126
40K
24.85 mi15:26:434:09:1610:029:48
11:28
#22181
25.2M
25.20 mi15:30:564:13:2910:044:13
12:14
#22197
Finish
26.22 mi15:41:274:24:0010:0510:31
10:19
#22217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi23294954595452047679467946
10K6.21 mi3.10 mi22150+11448927+6188927+6182056880238023
15K9.32 mi3.11 mi21652+4988648+2798648+2792047679467946
20K12.43 mi3.11 mi21386+2668487+1618487+1612051579697969
Half13.11 mi0.68 mi21465-798527-408527-402298293419341
25K15.53 mi2.42 mi21609-1448603-768603-762229889958995
30K18.64 mi3.11 mi21705-968670-678670-672217489968996
20M20.00 mi1.36 mi21970-2658829-1598829-159238861001510015
21M21.00 mi1.00 mi21999-298853-248853-242219191069106
35K21.75 mi0.75 mi22021-228873-208873-202238792639263
23M23.00 mi1.25 mi22098-778929-568929-562327097349734
24M24.00 mi1.00 mi22126-288951-228951-222281795309530
40K24.85 mi0.85 mi22181-558984-338984-332315597389738
25.2M25.20 mi0.35 mi22197-169000-169000-162288095939593
Finish26.22 mi1.02 mi22217-209018-189018-182261494519451

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20476

Females

7946

F18-39

7946

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20568

Females

8023

F18-39

8023

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20476

Females

7946

F18-39

7946

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20515

Females

7969

F18-39

7969

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22982

Females

9341

F18-39

9341

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22298

Females

8995

F18-39

8995

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22174

Females

8996

F18-39

8996

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23886

Females

10015

F18-39

10015

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22191

Females

9106

F18-39

9106

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22387

Females

9263

F18-39

9263

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23270

Females

9734

F18-39

9734

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22817

Females

9530

F18-39

9530

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23155

Females

9738

F18-39

9738

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22880

Females

9593

F18-39

9593

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22614

Females

9451

F18-39

9451

Passing Analysis

Category:
Athletes Passed
2347
Passed By
1270
Net Change
+1077
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23294
5K → 10K11539+1144#23294#22150
10K → 15K51012+498#22150#21652
15K → 20K30438+266#21652#21386
20K → Half988-79#21386#21465
Half → 25K59203-144#21465#21609
25K → 30K109205-96#21609#21705
30K → 20M17282-265#21705#21970
20M → 21M5483-29#21970#21999
21M → 35K2345-22#21999#22021
35K → 23M26103-77#22021#22098
23M → 24M2856-28#22098#22126
24M → 40K2075-55#22126#22181
40K → 25.2M824-16#22181#22197
25.2M → Finish2747-20#22197#22217
TOTALS23471270+1077

Passing Charts

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