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BOSTON MARATHON 2023

Lorna Williams

Bib: 30159•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:45
Rank: #22313
Start → 5K
29:45 | 9:35/mi
10K· 6.21 mi
59:30
Rank: #22546 (-233)
5K → 10K
29:45 | 9:35/mi
15K· 9.32 mi
1:29:15
Rank: #22525 (+21)
10K → 15K
29:45 | 9:35/mi
20K· 12.43 mi
1:59:00
Rank: #22322 (+203)
15K → 20K
29:45 | 9:35/mi
Half· 13.11 mi
2:05:32
Rank: #22329 (-7)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:28:45
Rank: #22118 (+211)
Half → 25K
23:13 | 9:35/mi
30K· 18.64 mi
2:58:30
Rank: #21683 (+435)
25K → 30K
29:45 | 9:35/mi
20M
3:11:31
Rank: #21530 (+153)
30K → 20M
13:01 | 9:35/mi
21M
3:21:05
Rank: #21272 (+258)
20M → 21M
9:34 | 9:35/mi
35K· 21.75 mi
3:28:15
Rank: #21224 (+48)
21M → 35K
7:10 | 9:35/mi
23M
3:40:15
Rank: #21043 (+181)
35K → 23M
11:59 | 9:35/mi
24M
3:49:49
Rank: #20976 (+67)
23M → 24M
9:34 | 9:35/mi
40K· 24.85 mi
3:58:00
Rank: #20864 (+112)
24M → 40K
8:11 | 9:35/mi
25.2M
4:01:19
Rank: #20800 (+64)
40K → 25.2M
3:18 | 9:35/mi
Finish· 26.22 mi
4:11:04
Rank: #20776 (+24)
25.2M → Finish
9:45 | 9:35/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:05:32
Pace9:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:05:32
Pace9:35 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4729:459:3529:45
9:35
-
10K
6.21 mi12:18:3259:309:3529:45
9:35
0:00
15K
9.32 mi12:48:171:29:159:3529:45
9:35
0:00
20K
12.43 mi13:18:021:59:009:3529:45
9:35
0:00
Half
13.11 mi13:24:342:05:329:356:32
9:35
0:00
25K
15.53 mi13:47:472:28:459:3523:13
9:35
0:00
30K
18.64 mi14:17:322:58:309:3529:45
9:35
0:00
20M
20.00 mi14:30:333:11:319:3513:01
9:35
0:00
21M
21.00 mi14:40:073:21:059:359:34
9:35
0:00
35K
21.75 mi14:47:173:28:159:357:10
9:35
0:00
23M
23.00 mi14:59:173:40:159:3511:59
9:35
0:00
24M
24.00 mi15:08:513:49:499:359:34
9:35
0:00
40K
24.85 mi15:17:023:58:009:358:11
9:35
0:00
25.2M
25.20 mi15:20:214:01:199:353:18
9:35
0:00
Finish
26.22 mi15:30:064:11:049:359:45
9:35
0:00

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

9:35 /mi

Average Pace

9:35 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:11:04

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:35 /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 mi11:48:4729:459:3529:45
9:35
#22313
10K
6.21 mi12:18:3259:309:3529:45
9:35
#22546
15K
9.32 mi12:48:171:29:159:3529:45
9:35
#22525
20K
12.43 mi13:18:021:59:009:3529:45
9:35
#22322
Half
13.11 mi13:24:342:05:329:356:32
9:35
#22329
25K
15.53 mi13:47:472:28:459:3523:13
9:35
#22118
30K
18.64 mi14:17:322:58:309:3529:45
9:35
#21683
20M
20.00 mi14:30:333:11:319:3513:01
9:35
#21530
21M
21.00 mi14:40:073:21:059:359:34
9:35
#21272
35K
21.75 mi14:47:173:28:159:357:10
9:35
#21224
23M
23.00 mi14:59:173:40:159:3511:59
9:35
#21043
24M
24.00 mi15:08:513:49:499:359:34
9:35
#20976
40K
24.85 mi15:17:023:58:009:358:11
9:35
#20864
25.2M
25.20 mi15:20:214:01:199:353:18
9:35
#20800
Finish
26.22 mi15:30:064:11:049:359:45
9:35
#20776
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223139038903822463(Top 84%)9049(Top 79%)9049(Top 185%)
10K6.21 mi3.10 mi22546-2339121-839121-8322722(Top 85%)9201(Top 81%)9201(Top 188%)
15K9.32 mi3.11 mi22525+219105+169105+1622463(Top 84%)9049(Top 79%)9049(Top 185%)
20K12.43 mi3.11 mi22322+2038994+1118994+11121793(Top 82%)8677(Top 76%)8677(Top 178%)
Half13.11 mi0.68 mi22329-78996-28996-222303(Top 84%)8957(Top 78%)8957(Top 183%)
25K15.53 mi2.42 mi22118+2118894+1028894+10221087(Top 79%)8317(Top 73%)8317(Top 170%)
30K18.64 mi3.11 mi21683+4358658+2368658+23619708(Top 74%)7595(Top 66%)7595(Top 156%)
20M20.00 mi1.36 mi21530+1538583+758583+7519132(Top 72%)7372(Top 65%)7372(Top 151%)
21M21.00 mi1.00 mi21272+2588466+1178466+11716316(Top 61%)5818(Top 51%)5818(Top 119%)
35K21.75 mi0.75 mi21224+488446+208446+2020062(Top 75%)7977(Top 70%)7977(Top 163%)
23M23.00 mi1.25 mi21043+1818357+898357+8918639(Top 70%)7216(Top 63%)7216(Top 148%)
24M24.00 mi1.00 mi20976+678332+258332+2519472(Top 73%)7711(Top 68%)7711(Top 158%)
40K24.85 mi0.85 mi20864+1128277+558277+5518608(Top 70%)7288(Top 64%)7288(Top 149%)
25.2M25.20 mi0.35 mi20800+648248+298248+2915633(Top 59%)5691(Top 50%)5691(Top 117%)
Finish26.22 mi1.02 mi20776+248244+48244+420387(Top 77%)8244(Top 72%)8244(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22463

Females

9049

F18-39

9049

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22722

Females

9201

F18-39

9201

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22463

Females

9049

F18-39

9049

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21793

Females

8677

F18-39

8677

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22303

Females

8957

F18-39

8957

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21087

Females

8317

F18-39

8317

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19708

Females

7595

F18-39

7595

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19132

Females

7372

F18-39

7372

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16316

Females

5818

F18-39

5818

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

20062

Females

7977

F18-39

7977

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18639

Females

7216

F18-39

7216

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19472

Females

7711

F18-39

7711

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18608

Females

7288

F18-39

7288

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15633

Females

5691

F18-39

5691

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20387

Females

8244

F18-39

8244

Passing Analysis

Category:
Athletes Passed
2186
Passed By
649
Net Change
+1537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22313
5K → 10K139372-233#22313#22546
10K → 15K150129+21#22546#22525
15K → 20K24542+203#22525#22322
20K → Half2128-7#22322#22329
Half → 25K22413+211#22329#22118
25K → 30K4449+435#22118#21683
30K → 20M1563+153#21683#21530
20M → 21M2602+258#21530#21272
21M → 35K568+48#21272#21224
35K → 23M1843+181#21224#21043
23M → 24M8215+67#21043#20976
24M → 40K1164+112#20976#20864
40K → 25.2M651+64#20864#20800
25.2M → Finish4420+24#20800#20776
TOTALS2186649+1537
📊

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