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BOSTON MARATHON 2023

Eliza Defusco

Bib: 27090•F

MA

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
29:16
Rank: #21858
Start → 5K
9:25/mi
29:16 split
10K· 6.21 mi
58:44
Rank: #22213 (-355)
5K → 10K
9:29/mi
29:28 split
15K· 9.32 mi
1:29:26
Rank: #22581 (-368)
10K → 15K
9:53/mi
30:42 split
20K· 12.43 mi
2:01:33
Rank: #22884 (-303)
15K → 20K
10:20/mi
32:07 split
Half· 13.11 mi
2:08:41
Rank: #22984 (-100)
20K → Half
10:27/mi
7:08 split
25K· 15.53 mi
2:37:03
Rank: #23445 (-461)
Half → 25K
11:42/mi
28:22 split
30K· 18.64 mi
3:16:31
Rank: #23894 (-449)
25K → 30K
12:42/mi
39:28 split
20M
3:34:30
Rank: #24076 (-182)
30K → 20M
13:14/mi
17:59 split
21M
3:48:02
Rank: #24132 (-56)
20M → 21M
13:32/mi
13:32 split
35K· 21.75 mi
3:56:19
Rank: #24121 (+11)
21M → 35K
11:04/mi
8:17 split
23M
4:11:54
Rank: #24158 (-37)
35K → 23M
12:27/mi
15:35 split
24M
4:23:01
Rank: #24122 (+36)
23M → 24M
11:07/mi
11:07 split
40K· 24.85 mi
4:32:49
Rank: #24068 (+54)
24M → 40K
11:28/mi
9:48 split
25.2M
4:37:02
Rank: #24061 (+7)
40K → 25.2M
12:14/mi
4:13 split
Finish· 26.22 mi
4:48:21
Rank: #24069 (-8)
25.2M → Finish
11:06/mi
11:19 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:41
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:39:40
Pace12:11 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5029:169:2529:16
9:25
-
10K
6.21 mi12:16:1858:449:2729:28
9:29
+0:04
15K
9.32 mi12:47:001:29:269:3630:42
9:53
+0:24
20K
12.43 mi13:19:072:01:339:4732:07
10:20
+0:27
Half
13.11 mi13:26:152:08:419:497:08
10:27
+0:07
25K
15.53 mi13:54:372:37:0310:0728:22
11:42
+1:15
30K
18.64 mi14:34:053:16:3110:3339:28
12:42
+1:00
20M
20.00 mi14:52:043:34:3010:4317:59
13:14
+0:32
21M
21.00 mi15:05:363:48:0210:5213:32
13:32
+0:18
35K
21.75 mi15:13:533:56:1910:528:17
11:04
-2:28
23M
23.00 mi15:29:284:11:5410:5715:35
12:27
+1:23
24M
24.00 mi15:40:354:23:0110:5811:07
11:07
-1:20
40K
24.85 mi15:50:234:32:4910:599:48
11:28
+0:21
25.2M
25.20 mi15:54:364:37:0211:004:13
12:14
+0:46
Finish
26.22 mi16:05:554:48:2111:0011:19
11:06
-1:08

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

9:25 /mi

Average Pace

11:00 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:41

45% of race

Time at Steady Pace

1:08:53

24% of race

Time at Slower Pace

1:30:47

31% of race

Average Pace: 11:00 /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 mi11:46:5029:169:2529:16
9:25
#21858
10K
6.21 mi12:16:1858:449:2729:28
9:29
#22213
15K
9.32 mi12:47:001:29:269:3630:42
9:53
#22581
20K
12.43 mi13:19:072:01:339:4732:07
10:20
#22884
Half
13.11 mi13:26:152:08:419:497:08
10:27
#22984
25K
15.53 mi13:54:372:37:0310:0728:22
11:42
#23445
30K
18.64 mi14:34:053:16:3110:3339:28
12:42
#23894
20M
20.00 mi14:52:043:34:3010:4317:59
13:14
#24076
21M
21.00 mi15:05:363:48:0210:5213:32
13:32
#24132
35K
21.75 mi15:13:533:56:1910:528:17
11:04
#24121
23M
23.00 mi15:29:284:11:5410:5715:35
12:27
#24158
24M
24.00 mi15:40:354:23:0110:5811:07
11:07
#24122
40K
24.85 mi15:50:234:32:4910:599:48
11:28
#24068
25.2M
25.20 mi15:54:364:37:0211:004:13
12:14
#24061
Finish
26.22 mi16:05:554:48:2111:0011:19
11:06
#24069
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218588816881623264(Top 87%)9480(Top 83%)9480(Top 194%)
10K6.21 mi3.10 mi22213-3558960-1448960-14422477(Top 84%)9078(Top 79%)9078(Top 186%)
15K9.32 mi3.11 mi22581-3689132-1729132-17223264(Top 87%)9480(Top 83%)9480(Top 194%)
20K12.43 mi3.11 mi22884-3039286-1549286-15423548(Top 88%)9660(Top 85%)9660(Top 198%)
Half13.11 mi0.68 mi22984-1009336-509336-5024143(Top 91%)9995(Top 87%)9995(Top 205%)
25K15.53 mi2.42 mi23445-4619595-2599595-25924890(Top 93%)10453(Top 92%)10453(Top 214%)
30K18.64 mi3.11 mi23894-4499858-2639858-26325176(Top 95%)10670(Top 93%)10670(Top 218%)
20M20.00 mi1.36 mi24076-1829981-1239981-12325347(Top 95%)10777(Top 94%)10777(Top 221%)
21M21.00 mi1.00 mi24132-5610023-4210023-4224623(Top 92%)10414(Top 91%)10414(Top 213%)
35K21.75 mi0.75 mi24121+1110020+310020+323443(Top 88%)9841(Top 86%)9841(Top 201%)
23M23.00 mi1.25 mi24158-3710054-3410054-3424529(Top 92%)10406(Top 91%)10406(Top 213%)
24M24.00 mi1.00 mi24122+3610037+1710037+1723278(Top 87%)9790(Top 86%)9790(Top 200%)
40K24.85 mi0.85 mi24068+5410014+2310014+2323164(Top 87%)9747(Top 85%)9747(Top 200%)
25.2M25.20 mi0.35 mi24061+710011+310011+322896(Top 86%)9609(Top 84%)9609(Top 197%)
Finish26.22 mi1.02 mi24069-810022-1110022-1124158(Top 91%)10233(Top 90%)10233(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23264

Females

9480

F18-39

9480

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22477

Females

9078

F18-39

9078

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23264

Females

9480

F18-39

9480

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23548

Females

9660

F18-39

9660

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24143

Females

9995

F18-39

9995

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24890

Females

10453

F18-39

10453

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25176

Females

10670

F18-39

10670

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

25347

Females

10777

F18-39

10777

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24623

Females

10414

F18-39

10414

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23443

Females

9841

F18-39

9841

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24529

Females

10406

F18-39

10406

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23278

Females

9790

F18-39

9790

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23164

Females

9747

F18-39

9747

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22896

Females

9609

F18-39

9609

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24158

Females

10233

F18-39

10233

Passing Analysis

Category:
Athletes Passed
475
Passed By
2686
Net Change
-2211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21858
5K → 10K112467-355#21858#22213
10K → 15K52420-368#22213#22581
15K → 20K57360-303#22581#22884
20K → Half10110-100#22884#22984
Half → 25K10471-461#22984#23445
25K → 30K18467-449#23445#23894
30K → 20M12194-182#23894#24076
20M → 21M2076-56#24076#24132
21M → 35K2312+11#24132#24121
35K → 23M2360-37#24121#24158
23M → 24M4610+36#24158#24122
24M → 40K606+54#24122#24068
40K → 25.2M114+7#24068#24061
25.2M → Finish2129-8#24061#24069
TOTALS4752686-2211
📊

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