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BOSTON MARATHON 2023

Olivia Lamarche

Bib: 15508•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
46:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:09:53
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:33:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:38:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:56:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:19:53
↑ 181↓ 1480.2%
20M
7:34/mi
2:30:10
↑ 64↓ 500.2%
21M
8:01/mi
2:38:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:43:47
↑ 17↓ 861.7%
23M
7:38/mi
2:53:20
↑ 23↓ 630.6%
24M
7:26/mi
3:00:46
↓ 821.3%
40K· 24.85 mi
7:22/mi
3:07:04
↓ 200.3%
25.2M
7:41/mi
3:09:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:16:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:03
Pace7:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:51
Pace7:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1623:467:3923:46
7:39
-
10K
6.21 mi11:36:5746:277:2922:41
7:18
-0:21
15K
9.32 mi12:00:231:09:537:3023:26
7:33
+0:15
20K
12.43 mi12:23:331:33:037:2923:10
7:27
-0:06
Half
13.11 mi12:28:331:38:037:295:00
7:20
-0:07
25K
15.53 mi12:46:461:56:167:2918:13
7:31
+0:11
30K
18.64 mi13:10:232:19:537:3023:37
7:36
+0:05
20M
20.00 mi13:20:402:30:107:3010:17
7:34
-0:02
21M
21.00 mi13:28:412:38:117:328:01
8:01
+0:27
35K
21.75 mi13:34:172:43:477:325:36
7:29
-0:32
23M
23.00 mi13:43:502:53:207:329:33
7:38
+0:09
24M
24.00 mi13:51:163:00:467:327:26
7:26
-0:12
40K
24.85 mi13:57:343:07:047:326:18
7:22
-0:04
25.2M
25.20 mi14:00:133:09:437:322:39
7:41
+0:19
Finish
26.22 mi14:07:243:16:547:317:11
7:03
-0:38

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

7:03 /mi

Average Pace

7:31 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:53

96% of race

Time at Steady Pace

8:01

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi11:14:1623:467:3923:46
7:39
#11023
10K
6.21 mi11:36:5746:277:2922:41
7:18
#9797
15K
9.32 mi12:00:231:09:537:3023:26
7:33
#10024
20K
12.43 mi12:23:331:33:037:2923:10
7:27
#9710
Half
13.11 mi12:28:331:38:037:295:00
7:20
#9658
25K
15.53 mi12:46:461:56:167:2918:13
7:31
#9515
30K
18.64 mi13:10:232:19:537:3023:37
7:36
#9197
20M
20.00 mi13:20:402:30:107:3010:17
7:34
#9014
21M
21.00 mi13:28:412:38:117:328:01
8:01
#8909
35K
21.75 mi13:34:172:43:477:325:36
7:29
#8871
23M
23.00 mi13:43:502:53:207:329:33
7:38
#8758
24M
24.00 mi13:51:163:00:467:327:26
7:26
#8660
40K
24.85 mi13:57:343:07:047:326:18
7:22
#8524
25.2M
25.20 mi14:00:133:09:437:322:39
7:41
#8439
Finish
26.22 mi14:07:243:16:547:317:11
7:03
#8268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110232336233610526(Top 40%)2089(Top 18%)2089(Top 43%)
10K6.21 mi3.10 mi9797+12261740+5961740+5968879(Top 33%)1359(Top 12%)1359(Top 28%)
15K9.32 mi3.11 mi10024-2271841-1011841-10110526(Top 40%)2089(Top 18%)2089(Top 43%)
20K12.43 mi3.11 mi9710+3141706+1351706+1358981(Top 34%)1474(Top 13%)1474(Top 30%)
Half13.11 mi0.68 mi9658+521688+181688+188876(Top 33%)1426(Top 12%)1426(Top 29%)
25K15.53 mi2.42 mi9515+1431653+351653+358890(Top 33%)1516(Top 13%)1516(Top 31%)
30K18.64 mi3.11 mi9197+3181563+901563+907955(Top 30%)1287(Top 11%)1287(Top 26%)
20M20.00 mi1.36 mi9014+1831511+521511+527304(Top 27%)1142(Top 10%)1142(Top 23%)
21M21.00 mi1.00 mi8909+1051488+231488+237471(Top 28%)1302(Top 11%)1302(Top 27%)
35K21.75 mi0.75 mi8871+381487+11487+18479(Top 32%)1678(Top 15%)1678(Top 34%)
23M23.00 mi1.25 mi8758+1131470+171470+177303(Top 27%)1300(Top 11%)1300(Top 27%)
24M24.00 mi1.00 mi8660+981454+161454+167285(Top 27%)1394(Top 12%)1394(Top 29%)
40K24.85 mi0.85 mi8524+1361418+361418+365930(Top 22%)961(Top 8%)961(Top 20%)
25.2M25.20 mi0.35 mi8439+851400+181400+184893(Top 18%)700(Top 6%)700(Top 14%)
Finish26.22 mi1.02 mi8268+1711361+391361+395553(Top 21%)932(Top 8%)932(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10526

Females

2089

F18-39

2089

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8879

Females

1359

F18-39

1359

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10526

Females

2089

F18-39

2089

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8981

Females

1474

F18-39

1474

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8876

Females

1426

F18-39

1426

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8890

Females

1516

F18-39

1516

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7955

Females

1287

F18-39

1287

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7304

Females

1142

F18-39

1142

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7471

Females

1302

F18-39

1302

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8479

Females

1678

F18-39

1678

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7303

Females

1300

F18-39

1300

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7285

Females

1394

F18-39

1394

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5930

Females

961

F18-39

961

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4893

Females

700

F18-39

700

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5553

Females

932

F18-39

932

Passing Analysis

Category:
Athletes Passed
3346*
Passed By
589
Net Change
+2755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11023
5K → 10K1249*23+1226#11023#9797
10K → 15K106331-227#9797#10024
15K → 20K356*42+314#10024#9710
20K → Half575+52#9710#9658
Half → 25K19350+143#9658#9515
25K → 30K355*37+318#9515#9197
30K → 20M1929+183#9197#9014
20M → 21M12722+105#9014#8909
21M → 35K6224+38#8909#8871
35K → 23M13017+113#8871#8758
23M → 24M11618+98#8758#8660
24M → 40K1404+136#8660#8524
40K → 25.2M872+85#8524#8439
25.2M → Finish1765+171#8439#8268
TOTALS3346*589+2755

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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