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BOSTON MARATHON 2023

Marguerite Basta

Bib: 14542•F

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
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
7:05/mi
21:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
45:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:08:06
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:31:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:36:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:54:30
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:18:30
↑ 181↓ 1480.2%
20M
7:41/mi
2:28:56
↑ 64↓ 500.2%
21M
7:59/mi
2:36:55
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:42:23
↑ 17↓ 861.7%
23M
7:30/mi
2:51:47
↑ 23↓ 630.6%
24M
7:37/mi
2:59:24
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:06:01
↓ 200.3%
25.2M
8:25/mi
3:08:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:16:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:40:14
Pace7:39 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0321:597:0521:59
7:05
-
10K
6.21 mi11:14:0545:017:1523:02
7:25
+0:20
15K
9.32 mi11:37:101:08:067:1823:05
7:26
+0:01
20K
12.43 mi12:00:101:31:067:2023:00
7:24
-0:02
Half
13.11 mi12:05:111:36:077:205:01
7:21
-0:03
25K
15.53 mi12:23:341:54:307:2218:23
7:35
+0:14
30K
18.64 mi12:47:342:18:307:2624:00
7:43
+0:08
20M
20.00 mi12:58:002:28:567:2710:26
7:41
-0:02
21M
21.00 mi13:05:592:36:557:287:59
7:59
+0:18
35K
21.75 mi13:11:272:42:237:285:28
7:18
-0:41
23M
23.00 mi13:20:512:51:477:289:24
7:30
+0:12
24M
24.00 mi13:28:282:59:247:297:37
7:37
+0:07
40K
24.85 mi13:35:053:06:017:296:37
7:44
+0:07
25.2M
25.20 mi13:37:593:08:557:302:54
8:25
+0:41
Finish
26.22 mi13:45:253:16:217:307:26
7:18
-1:07

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

7:05 /mi

Average Pace

7:30 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:28

94% of race

Time at Steady Pace

7:59

4% of race

Time at Slower Pace

2:54

1% of race

Average Pace: 7:29 /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 mi10:51:0321:597:0521:59
7:05
#6741
10K
6.21 mi11:14:0545:017:1523:02
7:25
#8085
15K
9.32 mi11:37:101:08:067:1823:05
7:26
#8507
20K
12.43 mi12:00:101:31:067:2023:00
7:24
#8480
Half
13.11 mi12:05:111:36:077:205:01
7:21
#8503
25K
15.53 mi12:23:341:54:307:2218:23
7:35
#8604
30K
18.64 mi12:47:342:18:307:2624:00
7:43
#8604
20M
20.00 mi12:58:002:28:567:2710:26
7:41
#8536
21M
21.00 mi13:05:592:36:557:287:59
7:59
#8445
35K
21.75 mi13:11:272:42:237:285:28
7:18
#8396
23M
23.00 mi13:20:512:51:477:289:24
7:30
#8216
24M
24.00 mi13:28:282:59:247:297:37
7:37
#8200
40K
24.85 mi13:35:053:06:017:296:37
7:44
#8195
25.2M
25.20 mi13:37:593:08:557:302:54
8:25
#8194
Finish
26.22 mi13:45:253:16:217:307:26
7:18
#8125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67416516519607(Top 36%)1663(Top 15%)1663(Top 34%)
10K6.21 mi3.10 mi8085-13441065-4141065-4149759(Top 37%)1710(Top 15%)1710(Top 35%)
15K9.32 mi3.11 mi8507-4221225-1601225-1609607(Top 36%)1663(Top 15%)1663(Top 34%)
20K12.43 mi3.11 mi8480+271230-51230-58550(Top 32%)1314(Top 12%)1314(Top 27%)
Half13.11 mi0.68 mi8503-231236-61236-69069(Top 34%)1493(Top 13%)1493(Top 31%)
25K15.53 mi2.42 mi8604-1011295-591295-599407(Top 35%)1727(Top 15%)1727(Top 35%)
30K18.64 mi3.11 mi86041336-411336-418831(Top 33%)1642(Top 14%)1642(Top 34%)
20M20.00 mi1.36 mi8536+681331+51331+58043(Top 30%)1418(Top 12%)1418(Top 29%)
21M21.00 mi1.00 mi8445+911320+111320+117282(Top 27%)1232(Top 11%)1232(Top 25%)
35K21.75 mi0.75 mi8396+491309+111309+117225(Top 27%)1187(Top 10%)1187(Top 24%)
23M23.00 mi1.25 mi8216+1801264+451264+456487(Top 24%)988(Top 9%)988(Top 20%)
24M24.00 mi1.00 mi8200+161277-131277-138534(Top 32%)1886(Top 17%)1886(Top 39%)
40K24.85 mi0.85 mi8195+51299-221299-228261(Top 31%)1843(Top 16%)1843(Top 38%)
25.2M25.20 mi0.35 mi8194+11306-71306-79002(Top 34%)2228(Top 20%)2228(Top 46%)
Finish26.22 mi1.02 mi8125+691298+81298+87121(Top 27%)1468(Top 13%)1468(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9607

Females

1663

F18-39

1663

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9759

Females

1710

F18-39

1710

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9607

Females

1663

F18-39

1663

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8550

Females

1314

F18-39

1314

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9069

Females

1493

F18-39

1493

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9407

Females

1727

F18-39

1727

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8831

Females

1642

F18-39

1642

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8043

Females

1418

F18-39

1418

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7282

Females

1232

F18-39

1232

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7225

Females

1187

F18-39

1187

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6487

Females

988

F18-39

988

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8534

Females

1886

F18-39

1886

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8261

Females

1843

F18-39

1843

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9002

Females

2228

F18-39

2228

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7121

Females

1468

F18-39

1468

Passing Analysis

Category:
Athletes Passed
1209
Passed By
2593
Net Change
-1384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6741
5K → 10K91353-1344#6741#8085
10K → 15K40462-422#8085#8507
15K → 20K149122+27#8507#8480
20K → Half1437-23#8480#8503
Half → 25K64165-101#8503#8604
25K → 30K1801800#8604#8604
30K → 20M11547+68#8604#8536
20M → 21M12029+91#8536#8445
21M → 35K6819+49#8445#8396
35K → 23M19212+180#8396#8216
23M → 24M6751+16#8216#8200
24M → 40K6560+5#8200#8195
40K → 25.2M2524+1#8195#8194
25.2M → Finish10132+69#8194#8125
TOTALS12092593-1384
📊

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