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BOSTON MARATHON 2023

Maia Alberts

Bib: 26458•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:37
Rank: #22204
Start → 5K
29:37 | 9:32/mi
10K· 6.21 mi
58:39
Rank: #22172 (+32)
5K → 10K
29:02 | 9:21/mi
15K· 9.32 mi
1:27:51
Rank: #22069 (+103)
10K → 15K
29:12 | 9:24/mi
20K· 12.43 mi
1:56:30
Rank: #21729 (+340)
15K → 20K
28:39 | 9:13/mi
Half· 13.11 mi
2:02:47
Rank: #21720 (+9)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:25:08
Rank: #21414 (+306)
Half → 25K
22:21 | 9:13/mi
30K· 18.64 mi
2:56:38
Rank: #21402 (+12)
25K → 30K
31:30 | 10:08/mi
20M
3:10:13
Rank: #21314 (+88)
30K → 20M
13:35 | 10:00/mi
21M
3:21:00
Rank: #21259 (+55)
20M → 21M
10:47 | 10:47/mi
35K· 21.75 mi
3:28:28
Rank: #21254 (+5)
21M → 35K
7:28 | 9:59/mi
23M
3:41:07
Rank: #21170 (+84)
35K → 23M
12:39 | 10:06/mi
24M
3:51:36
Rank: #21214 (-44)
23M → 24M
10:29 | 10:29/mi
40K· 24.85 mi
4:00:32
Rank: #21204 (+10)
24M → 40K
8:56 | 10:27/mi
25.2M
4:04:33
Rank: #21218 (-14)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:15:23
Rank: #21309 (-91)
25.2M → Finish
10:50 | 10:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:47
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:12:36
Pace10:07 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2429:379:3229:37
9:32
-
10K
6.21 mi12:19:2658:399:2629:02
9:21
-0:11
15K
9.32 mi12:48:381:27:519:2629:12
9:24
+0:03
20K
12.43 mi13:17:171:56:309:2228:39
9:13
-0:11
Half
13.11 mi13:23:342:02:479:226:17
9:13
0:00
25K
15.53 mi13:45:552:25:089:2122:21
9:13
0:00
30K
18.64 mi14:17:252:56:389:2931:30
10:08
+0:55
20M
20.00 mi14:31:003:10:139:3113:35
10:00
-0:08
21M
21.00 mi14:41:473:21:009:3410:47
10:47
+0:47
35K
21.75 mi14:49:153:28:289:357:28
9:59
-0:48
23M
23.00 mi15:01:543:41:079:3712:39
10:06
+0:07
24M
24.00 mi15:12:233:51:369:3910:29
10:29
+0:23
40K
24.85 mi15:21:194:00:329:418:56
10:27
-0:02
25.2M
25.20 mi15:25:204:04:339:424:01
11:39
+1:12
Finish
26.22 mi15:36:104:15:239:4510:50
10:38
-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

9:13 /mi

Average Pace

9:45 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:08

57% of race

Time at Steady Pace

1:05:12

26% of race

Time at Slower Pace

45:03

18% of race

Average Pace: 9:44 /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 mi11:50:2429:379:3229:37
9:32
#22204
10K
6.21 mi12:19:2658:399:2629:02
9:21
#22172
15K
9.32 mi12:48:381:27:519:2629:12
9:24
#22069
20K
12.43 mi13:17:171:56:309:2228:39
9:13
#21729
Half
13.11 mi13:23:342:02:479:226:17
9:13
#21720
25K
15.53 mi13:45:552:25:089:2122:21
9:13
#21414
30K
18.64 mi14:17:252:56:389:2931:30
10:08
#21402
20M
20.00 mi14:31:003:10:139:3113:35
10:00
#21314
21M
21.00 mi14:41:473:21:009:3410:47
10:47
#21259
35K
21.75 mi14:49:153:28:289:357:28
9:59
#21254
23M
23.00 mi15:01:543:41:079:3712:39
10:06
#21170
24M
24.00 mi15:12:233:51:369:3910:29
10:29
#21214
40K
24.85 mi15:21:194:00:329:418:56
10:27
#21204
25.2M
25.20 mi15:25:204:04:339:424:01
11:39
#21218
Finish
26.22 mi15:36:104:15:239:4510:50
10:38
#21309
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi222048980898021956(Top 82%)8765(Top 77%)8765(Top 179%)
10K6.21 mi3.10 mi22172+328934+468934+4622065(Top 83%)8848(Top 77%)8848(Top 181%)
15K9.32 mi3.11 mi22069+1038875+598875+5921956(Top 82%)8765(Top 77%)8765(Top 179%)
20K12.43 mi3.11 mi21729+3408670+2058670+20520671(Top 78%)8045(Top 70%)8045(Top 165%)
Half13.11 mi0.68 mi21720+98668+28668+221228(Top 80%)8376(Top 73%)8376(Top 171%)
25K15.53 mi2.42 mi21414+3068495+1738495+17319927(Top 75%)7651(Top 67%)7651(Top 157%)
30K18.64 mi3.11 mi21402+128504-98504-921389(Top 80%)8569(Top 75%)8569(Top 175%)
20M20.00 mi1.36 mi21314+888472+328472+3220484(Top 77%)8126(Top 71%)8126(Top 166%)
21M21.00 mi1.00 mi21259+558454+188454+1820351(Top 76%)8119(Top 71%)8119(Top 166%)
35K21.75 mi0.75 mi21254+58459-58459-521225(Top 80%)8613(Top 75%)8613(Top 176%)
23M23.00 mi1.25 mi21170+848427+328427+3220310(Top 76%)8140(Top 71%)8140(Top 167%)
24M24.00 mi1.00 mi21214-448459-328459-3222009(Top 83%)9102(Top 80%)9102(Top 186%)
40K24.85 mi0.85 mi21204+108466-78466-721099(Top 79%)8670(Top 76%)8670(Top 178%)
25.2M25.20 mi0.35 mi21218-148472-68472-621873(Top 82%)9057(Top 79%)9057(Top 185%)
Finish26.22 mi1.02 mi21309-918530-588530-5823287(Top 87%)9794(Top 86%)9794(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21956

Females

8765

F18-39

8765

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22065

Females

8848

F18-39

8848

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21956

Females

8765

F18-39

8765

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20671

Females

8045

F18-39

8045

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21228

Females

8376

F18-39

8376

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19927

Females

7651

F18-39

7651

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21389

Females

8569

F18-39

8569

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20484

Females

8126

F18-39

8126

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20351

Females

8119

F18-39

8119

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21225

Females

8613

F18-39

8613

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20310

Females

8140

F18-39

8140

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22009

Females

9102

F18-39

9102

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21099

Females

8670

F18-39

8670

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21873

Females

9057

F18-39

9057

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23287

Females

9794

F18-39

9794

Passing Analysis

Category:
Athletes Passed
1767
Passed By
872
Net Change
+895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22204
5K → 10K256224+32#22204#22172
10K → 15K223120+103#22172#22069
15K → 20K36323+340#22069#21729
20K → Half2415+9#21729#21720
Half → 25K3115+306#21720#21414
25K → 30K130118+12#21414#21402
30K → 20M11527+88#21402#21314
20M → 21M9843+55#21314#21259
21M → 35K2621+5#21259#21254
35K → 23M11026+84#21254#21170
23M → 24M3276-44#21170#21214
24M → 40K5343+10#21214#21204
40K → 25.2M1630-14#21204#21218
25.2M → Finish10101-91#21218#21309
TOTALS1767872+895
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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