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BOSTON MARATHON 2023

Laurie Sorensen

Bib: 21928•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F55-59)
#0 / 815
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:21
Rank: #17444
Start → 5K
26:21 | 8:29/mi
10K· 6.21 mi
52:41
Rank: #17785 (-341)
5K → 10K
26:20 | 8:29/mi
15K· 9.32 mi
1:18:51
Rank: #17596 (+189)
10K → 15K
26:10 | 8:25/mi
20K· 12.43 mi
1:45:33
Rank: #17512 (+84)
15K → 20K
26:42 | 8:36/mi
Half· 13.11 mi
1:51:27
Rank: #17580 (-68)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:12:34
Rank: #17536 (+44)
Half → 25K
21:07 | 8:43/mi
30K· 18.64 mi
2:40:31
Rank: #17436 (+100)
25K → 30K
27:57 | 9:00/mi
20M
2:52:39
Rank: #17316 (+120)
30K → 20M
12:08 | 8:56/mi
21M
3:02:00
Rank: #17192 (+124)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:08:33
Rank: #17168 (+24)
21M → 35K
6:33 | 8:45/mi
23M
3:19:59
Rank: #17138 (+30)
35K → 23M
11:26 | 9:08/mi
24M
3:28:56
Rank: #17126 (+12)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:36:45
Rank: #17116 (+10)
24M → 40K
7:49 | 9:09/mi
25.2M
3:40:07
Rank: #17114 (+2)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:49:24
Rank: #17211 (-97)
25.2M → Finish
9:17 | 9:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:27
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:57:57
Pace9:00 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4426:218:2926:21
8:29
-
10K
6.21 mi11:46:0452:418:2926:20
8:29
0:00
15K
9.32 mi12:12:141:18:518:2826:10
8:25
-0:04
20K
12.43 mi12:38:561:45:338:3026:42
8:36
+0:11
Half
13.11 mi12:44:501:51:278:305:54
8:39
+0:03
25K
15.53 mi13:05:572:12:348:3221:07
8:43
+0:04
30K
18.64 mi13:33:542:40:318:3727:57
9:00
+0:17
20M
20.00 mi13:46:022:52:398:3812:08
8:56
-0:04
21M
21.00 mi13:55:233:02:008:409:21
9:21
+0:25
35K
21.75 mi14:01:563:08:338:406:33
8:45
-0:36
23M
23.00 mi14:13:223:19:598:4211:26
9:08
+0:23
24M
24.00 mi14:22:193:28:568:428:57
8:57
-0:11
40K
24.85 mi14:30:083:36:458:437:49
9:09
+0:12
25.2M
25.20 mi14:33:303:40:078:443:22
9:46
+0:37
Finish
26.22 mi14:42:473:49:248:459:17
9:07
-0:39

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

8:25 /mi

Average Pace

8:45 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:41

94% of race

Time at Steady Pace

12:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:19:4426:218:2926:21
8:29
#17444
10K
6.21 mi11:46:0452:418:2926:20
8:29
#17785
15K
9.32 mi12:12:141:18:518:2826:10
8:25
#17596
20K
12.43 mi12:38:561:45:338:3026:42
8:36
#17512
Half
13.11 mi12:44:501:51:278:305:54
8:39
#17580
25K
15.53 mi13:05:572:12:348:3221:07
8:43
#17536
30K
18.64 mi13:33:542:40:318:3727:57
9:00
#17436
20M
20.00 mi13:46:022:52:398:3812:08
8:56
#17316
21M
21.00 mi13:55:233:02:008:409:21
9:21
#17192
35K
21.75 mi14:01:563:08:338:406:33
8:45
#17168
23M
23.00 mi14:13:223:19:598:4211:26
9:08
#17138
24M
24.00 mi14:22:193:28:568:428:57
8:57
#17126
40K
24.85 mi14:30:083:36:458:437:49
9:09
#17116
25.2M
25.20 mi14:33:303:40:078:443:22
9:46
#17114
Finish
26.22 mi14:42:473:49:248:459:17
9:07
#17211
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi174446218621817296(Top 65%)6104(Top 53%)6104(Top 749%)
10K6.21 mi3.10 mi17785-3416393-1756393-17518112(Top 68%)6541(Top 57%)6541(Top 803%)
15K9.32 mi3.11 mi17596+1896274+1196274+11917296(Top 65%)6104(Top 53%)6104(Top 749%)
20K12.43 mi3.11 mi17512+846224+506224+5017457(Top 66%)6198(Top 54%)6198(Top 760%)
Half13.11 mi0.68 mi17580-686270-466270-4618617(Top 70%)6831(Top 60%)6831(Top 838%)
25K15.53 mi2.42 mi17536+446256+146256+1417432(Top 65%)6243(Top 55%)6243(Top 766%)
30K18.64 mi3.11 mi17436+1006215+416215+4117156(Top 64%)6163(Top 54%)6163(Top 756%)
20M20.00 mi1.36 mi17316+1206167+486167+4816184(Top 61%)5681(Top 50%)5681(Top 697%)
21M21.00 mi1.00 mi17192+1246108+596108+5915287(Top 57%)5224(Top 46%)5224(Top 641%)
35K21.75 mi0.75 mi17168+246096+126096+1216751(Top 63%)6139(Top 54%)6139(Top 753%)
23M23.00 mi1.25 mi17138+306098-26098-216710(Top 63%)6141(Top 54%)6141(Top 753%)
24M24.00 mi1.00 mi17126+126113-156113-1517012(Top 64%)6362(Top 56%)6362(Top 781%)
40K24.85 mi0.85 mi17116+106125-126125-1216850(Top 63%)6315(Top 55%)6315(Top 775%)
25.2M25.20 mi0.35 mi17114+26129-46129-416422(Top 62%)6116(Top 54%)6116(Top 750%)
Finish26.22 mi1.02 mi17211-976192-636192-6318520(Top 70%)7178(Top 63%)7178(Top 881%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17296

Females

6104

F55-59

6104

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18112

Females

6541

F55-59

6541

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17296

Females

6104

F55-59

6104

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17457

Females

6198

F55-59

6198

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18617

Females

6831

F55-59

6831

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17432

Females

6243

F55-59

6243

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17156

Females

6163

F55-59

6163

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16184

Females

5681

F55-59

5681

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15287

Females

5224

F55-59

5224

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16751

Females

6139

F55-59

6139

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16710

Females

6141

F55-59

6141

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17012

Females

6362

F55-59

6362

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16850

Females

6315

F55-59

6315

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16422

Females

6116

F55-59

6116

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18520

Females

7178

F55-59

7178

Passing Analysis

Category:
Athletes Passed
1695
Passed By
1462
Net Change
+233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17444
5K → 10K168509-341#17444#17785
10K → 15K302113+189#17785#17596
15K → 20K213129+84#17596#17512
20K → Half2088-68#17512#17580
Half → 25K13490+44#17580#17536
25K → 30K210110+100#17536#17436
30K → 20M15434+120#17436#17316
20M → 21M15632+124#17316#17192
21M → 35K5026+24#17192#17168
35K → 23M9767+30#17168#17138
23M → 24M7361+12#17138#17126
24M → 40K5949+10#17126#17116
40K → 25.2M2624+2#17116#17114
25.2M → Finish33130-97#17114#17211
TOTALS16951462+233
📊

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