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BOSTON MARATHON 2023

Lauri Goldi Thompson

Bib: 20090•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F50-54)
#0 / 1207
Top 25%
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:12:48
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:37:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:43:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:04:00
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:32:03
↑ 181↓ 1480.2%
20M
9:13/mi
2:44:35
↑ 64↓ 500.2%
21M
9:49/mi
2:54:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:00:45
↑ 17↓ 861.7%
23M
9:11/mi
3:12:15
↑ 23↓ 630.6%
24M
8:48/mi
3:21:03
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:29:01
↓ 200.3%
25.2M
9:57/mi
3:32:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:00/mi
3:41:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:04
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:58:33
Pace9:03 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4224:187:4924:18
7:49
-
10K
6.21 mi11:43:3948:157:4623:57
7:43
-0:06
15K
9.32 mi12:08:121:12:487:4924:33
7:54
+0:11
20K
12.43 mi12:33:081:37:447:5224:56
8:02
+0:08
Half
13.11 mi12:38:281:43:047:525:20
7:49
-0:13
25K
15.53 mi12:59:242:04:007:5920:56
8:38
+0:49
30K
18.64 mi13:27:272:32:038:0928:03
9:02
+0:24
20M
20.00 mi13:39:592:44:358:1412:32
9:13
+0:11
21M
21.00 mi13:49:482:54:248:189:49
9:49
+0:36
35K
21.75 mi13:56:093:00:458:196:21
8:29
-1:20
23M
23.00 mi14:07:393:12:158:2211:30
9:11
+0:42
24M
24.00 mi14:16:273:21:038:238:48
8:48
-0:23
40K
24.85 mi14:24:253:29:018:257:58
9:19
+0:31
25.2M
25.20 mi14:27:513:32:278:263:26
9:57
+0:38
Finish
26.22 mi14:37:013:41:378:289:10
9:00
-0:57

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

7:43 /mi

Average Pace

8:28 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:04

47% of race

Time at Steady Pace

1:13:18

33% of race

Time at Slower Pace

45:15

20% of race

Average Pace: 8:27 /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 mi11:19:4224:187:4924:18
7:49
#12581
10K
6.21 mi11:43:3948:157:4623:57
7:43
#12418
15K
9.32 mi12:08:121:12:487:4924:33
7:54
#12790
20K
12.43 mi12:33:081:37:447:5224:56
8:02
#12994
Half
13.11 mi12:38:281:43:047:525:20
7:49
#12976
25K
15.53 mi12:59:242:04:007:5920:56
8:38
#13736
30K
18.64 mi13:27:272:32:038:0928:03
9:02
#14507
20M
20.00 mi13:39:592:44:358:1412:32
9:13
#14777
21M
21.00 mi13:49:482:54:248:189:49
9:49
#14919
35K
21.75 mi13:56:093:00:458:196:21
8:29
#14929
23M
23.00 mi14:07:393:12:158:2211:30
9:11
#15044
24M
24.00 mi14:16:273:21:038:238:48
8:48
#15067
40K
24.85 mi14:24:253:29:018:257:58
9:19
#15177
25.2M
25.20 mi14:27:513:32:278:263:26
9:57
#15214
Finish
26.22 mi14:37:013:41:378:289:10
9:00
#15345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi125813210321013585(Top 51%)3832(Top 34%)3832(Top 317%)
10K6.21 mi3.10 mi12418+1633114+963114+9612355(Top 46%)3069(Top 27%)3069(Top 254%)
15K9.32 mi3.11 mi12790-3723331-2173331-21713585(Top 51%)3832(Top 34%)3832(Top 317%)
20K12.43 mi3.11 mi12994-2043484-1533484-15313674(Top 51%)3924(Top 34%)3924(Top 325%)
Half13.11 mi0.68 mi12976+183470+143470+1412986(Top 49%)3515(Top 31%)3515(Top 291%)
25K15.53 mi2.42 mi13736-7603949-4793949-47917005(Top 64%)6005(Top 53%)6005(Top 498%)
30K18.64 mi3.11 mi14507-7714453-5044453-50417326(Top 65%)6256(Top 55%)6256(Top 518%)
20M20.00 mi1.36 mi14777-2704626-1734626-17317663(Top 66%)6552(Top 57%)6552(Top 543%)
21M21.00 mi1.00 mi14919-1424740-1144740-11417320(Top 65%)6377(Top 56%)6377(Top 528%)
35K21.75 mi0.75 mi14929-104768-284768-2815265(Top 57%)5269(Top 46%)5269(Top 437%)
23M23.00 mi1.25 mi15044-1154871-1034871-10316984(Top 64%)6276(Top 55%)6276(Top 520%)
24M24.00 mi1.00 mi15067-234895-244895-2416205(Top 61%)5918(Top 52%)5918(Top 490%)
40K24.85 mi0.85 mi15177-1104980-854980-8517605(Top 66%)6735(Top 59%)6735(Top 558%)
25.2M25.20 mi0.35 mi15214-375015-355015-3517203(Top 65%)6529(Top 57%)6529(Top 541%)
Finish26.22 mi1.02 mi15345-1315115-1005115-10017960(Top 67%)6886(Top 60%)6886(Top 571%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13585

Females

3832

F50-54

3832

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12355

Females

3069

F50-54

3069

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13585

Females

3832

F50-54

3832

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13674

Females

3924

F50-54

3924

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12986

Females

3515

F50-54

3515

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17005

Females

6005

F50-54

6005

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17326

Females

6256

F50-54

6256

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17663

Females

6552

F50-54

6552

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17320

Females

6377

F50-54

6377

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15265

Females

5269

F50-54

5269

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16984

Females

6276

F50-54

6276

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16205

Females

5918

F50-54

5918

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17605

Females

6735

F50-54

6735

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17203

Females

6529

F50-54

6529

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17960

Females

6886

F50-54

6886

Passing Analysis

Category:
Athletes Passed
1045
Passed By
3809
Net Change
-2764
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12581
5K → 10K398235+163#12581#12418
10K → 15K88460-372#12418#12790
15K → 20K130334-204#12790#12994
20K → Half4022+18#12994#12976
Half → 25K30790-760#12976#13736
25K → 30K41812-771#13736#14507
30K → 20M30300-270#14507#14777
20M → 21M45187-142#14777#14919
21M → 35K4757-10#14919#14929
35K → 23M52167-115#14929#15044
23M → 24M4972-23#15044#15067
24M → 40K36146-110#15067#15177
40K → 25.2M2966-37#15177#15214
25.2M → Finish30161-131#15214#15345
TOTALS10453809-2764
📊

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