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BOSTON MARATHON 2023

Laurie Nahigian

Bib: 20365•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F50-54)
#0 / 1207
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:35/mi
26:40
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
53:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:19:44
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:46:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:52:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:13:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:39:57
↑ 181↓ 1480.2%
20M
8:36/mi
2:51:38
↑ 64↓ 500.2%
21M
9:08/mi
3:00:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
3:06:58
↑ 17↓ 861.7%
23M
8:32/mi
3:17:39
↑ 23↓ 630.6%
24M
8:16/mi
3:25:55
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:33:08
↓ 200.3%
25.2M
9:11/mi
3:36:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:44:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:12
Pace8:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:35
Pace8:35 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1226:408:3526:40
8:35
-
10K
6.21 mi11:46:5553:238:3526:43
8:36
+0:01
15K
9.32 mi12:13:161:19:448:3326:21
8:29
-0:07
20K
12.43 mi12:40:001:46:288:3426:44
8:36
+0:07
Half
13.11 mi12:45:441:52:128:345:44
8:24
-0:12
25K
15.53 mi13:06:352:13:038:3420:51
8:36
+0:12
30K
18.64 mi13:33:292:39:578:3526:54
8:39
+0:03
20M
20.00 mi13:45:102:51:388:3511:41
8:36
-0:03
21M
21.00 mi13:54:183:00:468:369:08
9:08
+0:32
35K
21.75 mi14:00:303:06:588:366:12
8:17
-0:51
23M
23.00 mi14:11:113:17:398:3610:41
8:32
+0:15
24M
24.00 mi14:19:273:25:558:358:16
8:16
-0:16
40K
24.85 mi14:26:403:33:088:357:13
8:26
+0:10
25.2M
25.20 mi14:29:503:36:188:353:10
9:11
+0:45
Finish
26.22 mi14:38:193:44:478:358:29
8:19
-0:52

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

8:16 /mi

Average Pace

8:35 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:29

95% of race

Time at Steady Pace

12:18

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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 mi11:20:1226:408:3526:40
8:35
#18131
10K
6.21 mi11:46:5553:238:3526:43
8:36
#18484
15K
9.32 mi12:13:161:19:448:3326:21
8:29
#18200
20K
12.43 mi12:40:001:46:288:3426:44
8:36
#18012
Half
13.11 mi12:45:441:52:128:345:44
8:24
#17958
25K
15.53 mi13:06:352:13:038:3420:51
8:36
#17711
30K
18.64 mi13:33:292:39:578:3526:54
8:39
#17244
20M
20.00 mi13:45:102:51:388:3511:41
8:36
#17010
21M
21.00 mi13:54:183:00:468:369:08
9:08
#16855
35K
21.75 mi14:00:303:06:588:366:12
8:17
#16735
23M
23.00 mi14:11:113:17:398:3610:41
8:32
#16549
24M
24.00 mi14:19:273:25:558:358:16
8:16
#16377
40K
24.85 mi14:26:403:33:088:357:13
8:26
#16226
25.2M
25.20 mi14:29:503:36:188:353:10
9:11
#16189
Finish
26.22 mi14:38:193:44:478:358:29
8:19
#16126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi181316638663817683(Top 66%)6318(Top 55%)6318(Top 523%)
10K6.21 mi3.10 mi18484-3536817-1796817-17918838(Top 71%)6979(Top 61%)6979(Top 578%)
15K9.32 mi3.11 mi18200+2846640+1776640+17717683(Top 66%)6318(Top 55%)6318(Top 523%)
20K12.43 mi3.11 mi18012+1886524+1166524+11617521(Top 66%)6238(Top 55%)6238(Top 517%)
Half13.11 mi0.68 mi17958+546491+336491+3317174(Top 65%)5990(Top 52%)5990(Top 496%)
25K15.53 mi2.42 mi17711+2476358+1336358+13316809(Top 63%)5899(Top 52%)5899(Top 489%)
30K18.64 mi3.11 mi17244+4676106+2526106+25215284(Top 57%)5109(Top 45%)5109(Top 423%)
20M20.00 mi1.36 mi17010+2345977+1295977+12914281(Top 54%)4593(Top 40%)4593(Top 381%)
21M21.00 mi1.00 mi16855+1555897+805897+8014156(Top 53%)4576(Top 40%)4576(Top 379%)
35K21.75 mi0.75 mi16735+1205840+575840+5714079(Top 53%)4615(Top 40%)4615(Top 382%)
23M23.00 mi1.25 mi16549+1865756+845756+8413469(Top 51%)4332(Top 38%)4332(Top 359%)
24M24.00 mi1.00 mi16377+1725674+825674+8213106(Top 49%)4195(Top 37%)4195(Top 348%)
40K24.85 mi0.85 mi16226+1515610+645610+6413022(Top 49%)4226(Top 37%)4226(Top 350%)
25.2M25.20 mi0.35 mi16189+375590+205590+2013640(Top 51%)4577(Top 40%)4577(Top 379%)
Finish26.22 mi1.02 mi16126+635565+255565+2514284(Top 54%)4896(Top 43%)4896(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17683

Females

6318

F50-54

6318

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18838

Females

6979

F50-54

6979

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17683

Females

6318

F50-54

6318

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17521

Females

6238

F50-54

6238

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17174

Females

5990

F50-54

5990

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16809

Females

5899

F50-54

5899

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15284

Females

5109

F50-54

5109

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14281

Females

4593

F50-54

4593

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14156

Females

4576

F50-54

4576

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14079

Females

4615

F50-54

4615

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13469

Females

4332

F50-54

4332

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13106

Females

4195

F50-54

4195

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13022

Females

4226

F50-54

4226

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13640

Females

4577

F50-54

4577

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14284

Females

4896

F50-54

4896

Passing Analysis

Category:
Athletes Passed
2824
Passed By
819
Net Change
+2005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18131
5K → 10K174527-353#18131#18484
10K → 15K35167+284#18484#18200
15K → 20K27183+188#18200#18012
20K → Half6511+54#18012#17958
Half → 25K26720+247#17958#17711
25K → 30K48518+467#17711#17244
30K → 20M2351+234#17244#17010
20M → 21M17015+155#17010#16855
21M → 35K1244+120#16855#16735
35K → 23M1959+186#16735#16549
23M → 24M1786+172#16549#16377
24M → 40K1576+151#16377#16226
40K → 25.2M5013+37#16226#16189
25.2M → Finish10239+63#16189#16126
TOTALS2824819+2005
📊

Passing Visuals

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