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BOSTON MARATHON 2023

Lauren Bordynuik

Bib: 27697•F

ON

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0:00
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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
33:54
Rank: #25556
Start → 5K
33:54 | 10:55/mi
10K· 6.21 mi
1:04:47
Rank: #24550 (+1006)
5K → 10K
30:53 | 9:56/mi
15K· 9.32 mi
1:36:52
Rank: #24420 (+130)
10K → 15K
32:05 | 10:20/mi
20K· 12.43 mi
2:12:32
Rank: #24702 (-282)
15K → 20K
35:40 | 11:29/mi
Half· 13.11 mi
2:19:33
Rank: #24663 (+39)
20K → Half
7:01 | 10:17/mi
25K· 15.53 mi
2:48:45
Rank: #24798 (-135)
Half → 25K
29:12 | 12:03/mi
30K· 18.64 mi
3:27:02
Rank: #24845 (-47)
25K → 30K
38:17 | 12:19/mi
20M
3:44:10
Rank: #24843 (+2)
30K → 20M
17:08 | 12:36/mi
21M
3:58:51
Rank: #24922 (-79)
20M → 21M
14:41 | 14:41/mi
35K· 21.75 mi
4:07:18
Rank: #24894 (+28)
21M → 35K
8:27 | 11:18/mi
23M
4:25:16
Rank: #25032 (-138)
35K → 23M
17:58 | 14:21/mi
24M
4:42:50
Rank: #25268 (-236)
23M → 24M
17:34 | 17:34/mi
40K· 24.85 mi
4:56:42
Rank: #25381 (-113)
24M → 40K
13:52 | 16:13/mi
25.2M
5:02:28
Rank: #25409 (-28)
40K → 25.2M
5:46 | 16:43/mi
Finish· 26.22 mi
5:17:30
Rank: #25507 (-98)
25.2M → Finish
15:02 | 14:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:33
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:57:57
Pace13:34 /mi
📊Positive Split: 27.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0633:5410:5533:54
10:55
-
10K
6.21 mi12:21:591:04:4710:2630:53
9:56
-0:59
15K
9.32 mi12:54:041:36:5210:2432:05
10:20
+0:24
20K
12.43 mi13:29:442:12:3210:4035:40
11:29
+1:09
Half
13.11 mi13:36:452:19:3310:397:01
10:17
-1:12
25K
15.53 mi14:05:572:48:4510:5229:12
12:03
+1:46
30K
18.64 mi14:44:143:27:0211:0638:17
12:19
+0:16
20M
20.00 mi15:01:223:44:1011:1217:08
12:36
+0:17
21M
21.00 mi15:16:033:58:5111:2214:41
14:41
+2:05
35K
21.75 mi15:24:304:07:1811:228:27
11:18
-3:23
23M
23.00 mi15:42:284:25:1611:3217:58
14:21
+3:03
24M
24.00 mi16:00:024:42:5011:4717:34
17:34
+3:13
40K
24.85 mi16:13:544:56:4211:5613:52
16:13
-1:21
25.2M
25.20 mi16:19:405:02:2812:005:46
16:43
+0:30
Finish
26.22 mi16:34:425:17:3012:0715:02
14:45
-1:58

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

9:56 /mi

Average Pace

12:07 /mi

Slowest Pace

17:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:53

33% of race

Time at Steady Pace

2:08:44

41% of race

Time at Slower Pace

1:24:53

27% of race

Average Pace: 12:07 /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 mi11:51:0633:5410:5533:54
10:55
#25556
10K
6.21 mi12:21:591:04:4710:2630:53
9:56
#24550
15K
9.32 mi12:54:041:36:5210:2432:05
10:20
#24420
20K
12.43 mi13:29:442:12:3210:4035:40
11:29
#24702
Half
13.11 mi13:36:452:19:3310:397:01
10:17
#24663
25K
15.53 mi14:05:572:48:4510:5229:12
12:03
#24798
30K
18.64 mi14:44:143:27:0211:0638:17
12:19
#24845
20M
20.00 mi15:01:223:44:1011:1217:08
12:36
#24843
21M
21.00 mi15:16:033:58:5111:2214:41
14:41
#24922
35K
21.75 mi15:24:304:07:1811:228:27
11:18
#24894
23M
23.00 mi15:42:284:25:1611:3217:58
14:21
#25032
24M
24.00 mi16:00:024:42:5011:4717:34
17:34
#25268
40K
24.85 mi16:13:544:56:4211:5613:52
16:13
#25381
25.2M
25.20 mi16:19:405:02:2812:005:46
16:43
#25409
Finish
26.22 mi16:34:425:17:3012:0715:02
14:45
#25507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25556107601076024134(Top 91%)9971(Top 87%)9971(Top 204%)
10K6.21 mi3.10 mi24550+100610190+57010190+57023594(Top 89%)9678(Top 85%)9678(Top 198%)
15K9.32 mi3.11 mi24420+13010118+7210118+7224134(Top 91%)9971(Top 87%)9971(Top 204%)
20K12.43 mi3.11 mi24702-28210293-17510293-17525224(Top 95%)10616(Top 93%)10616(Top 217%)
Half13.11 mi0.68 mi24663+3910275+1810275+1823849(Top 90%)9838(Top 86%)9838(Top 201%)
25K15.53 mi2.42 mi24798-13510355-8010355-8025199(Top 95%)10627(Top 93%)10627(Top 218%)
30K18.64 mi3.11 mi24845-4710398-4310398-4324833(Top 93%)10477(Top 92%)10477(Top 215%)
20M20.00 mi1.36 mi24843+210412-1410412-1424843(Top 93%)10519(Top 92%)10519(Top 215%)
21M21.00 mi1.00 mi24922-7910464-5210464-5225551(Top 96%)10881(Top 95%)10881(Top 223%)
35K21.75 mi0.75 mi24894+2810452+1210452+1223809(Top 89%)10047(Top 88%)10047(Top 206%)
23M23.00 mi1.25 mi25032-13810541-8910541-8926035(Top 98%)11153(Top 98%)11153(Top 228%)
24M24.00 mi1.00 mi25268-23610673-13210673-13226590(Top 100%)11411(Top 100%)11411(Top 234%)
40K24.85 mi0.85 mi25381-11310734-6110734-6126457(Top 99%)11363(Top 99%)11363(Top 233%)
25.2M25.20 mi0.35 mi25409-2810752-1810752-1826314(Top 99%)11314(Top 99%)11314(Top 232%)
Finish26.22 mi1.02 mi25507-9810813-6110813-6126481(Top 99%)11380(Top 100%)11380(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24134

Females

9971

F18-39

9971

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23594

Females

9678

F18-39

9678

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24134

Females

9971

F18-39

9971

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25224

Females

10616

F18-39

10616

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23849

Females

9838

F18-39

9838

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25199

Females

10627

F18-39

10627

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24833

Females

10477

F18-39

10477

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24843

Females

10519

F18-39

10519

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25551

Females

10881

F18-39

10881

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23809

Females

10047

F18-39

10047

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26035

Females

11153

F18-39

11153

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26590

Females

11411

F18-39

11411

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26457

Females

11363

F18-39

11363

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26314

Females

11314

F18-39

11314

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

26481

Females

11380

F18-39

11380

Passing Analysis

Category:
Athletes Passed
1487
Passed By
1438
Net Change
+49
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25556
5K → 10K10093+1006#25556#24550
10K → 15K19464+130#24550#24420
15K → 20K27309-282#24420#24702
20K → Half412+39#24702#24663
Half → 25K27162-135#24663#24798
25K → 30K76123-47#24798#24845
30K → 20M4543+2#24845#24843
20M → 21M1392-79#24843#24922
21M → 35K4214+28#24922#24894
35K → 23M6144-138#24894#25032
23M → 24M0236-236#25032#25268
24M → 40K2115-113#25268#25381
40K → 25.2M129-28#25381#25409
25.2M → Finish4102-98#25409#25507
TOTALS14871438+49
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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