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BOSTON MARATHON 2023

Lane Decordova

Bib: 25119•F

NY

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

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
8:53/mi
27:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
55:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:23:07
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:51:25
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
1:57:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:20:26
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:49:37
↑ 181↓ 1480.2%
20M
9:22/mi
3:02:21
↑ 64↓ 500.2%
21M
9:33/mi
3:11:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:18:26
↑ 17↓ 861.7%
23M
9:07/mi
3:29:51
↑ 23↓ 630.6%
24M
8:39/mi
3:38:30
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:46:00
↓ 200.3%
25.2M
9:05/mi
3:49:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:57:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:45
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time1:59:40
Pace9:08 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3827:378:5327:37
8:53
-
10K
6.21 mi12:11:0555:048:5227:27
8:50
-0:03
15K
9.32 mi12:39:081:23:078:5528:03
9:02
+0:12
20K
12.43 mi13:07:261:51:258:5828:18
9:07
+0:05
Half
13.11 mi13:13:461:57:458:596:20
9:17
+0:10
25K
15.53 mi13:36:272:20:269:0222:41
9:21
+0:04
30K
18.64 mi14:05:382:49:379:0629:11
9:24
+0:03
20M
20.00 mi14:18:223:02:219:0712:44
9:22
-0:02
21M
21.00 mi14:27:553:11:549:089:33
9:33
+0:11
35K
21.75 mi14:34:273:18:269:076:32
8:44
-0:49
23M
23.00 mi14:45:523:29:519:0711:25
9:07
+0:23
24M
24.00 mi14:54:313:38:309:068:39
8:39
-0:28
40K
24.85 mi15:02:013:46:009:067:30
8:46
+0:07
25.2M
25.20 mi15:05:093:49:089:063:08
9:05
+0:19
Finish
26.22 mi15:13:263:57:259:048:17
8:08
-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

8:08 /mi

Average Pace

9:04 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:02

36% of race

Time at Steady Pace

2:31:23

64% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:03 /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 mi11:43:3827:378:5327:37
8:53
#19939
10K
6.21 mi12:11:0555:048:5227:27
8:50
#19996
15K
9.32 mi12:39:081:23:078:5528:03
9:02
#20202
20K
12.43 mi13:07:261:51:258:5828:18
9:07
#20188
Half
13.11 mi13:13:461:57:458:596:20
9:17
#20282
25K
15.53 mi13:36:272:20:269:0222:41
9:21
#20324
30K
18.64 mi14:05:382:49:379:0629:11
9:24
#20055
20M
20.00 mi14:18:223:02:219:0712:44
9:22
#19894
21M
21.00 mi14:27:553:11:549:089:33
9:33
#19672
35K
21.75 mi14:34:273:18:269:076:32
8:44
#19581
23M
23.00 mi14:45:523:29:519:0711:25
9:07
#19418
24M
24.00 mi14:54:313:38:309:068:39
8:39
#19257
40K
24.85 mi15:02:013:46:009:067:30
8:46
#19107
25.2M
25.20 mi15:05:093:49:089:063:08
9:05
#19021
Finish
26.22 mi15:13:263:57:259:048:17
8:08
#18849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199397772777220624(Top 77%)8024(Top 70%)8024(Top 164%)
10K6.21 mi3.10 mi19996-577763+97763+920116(Top 76%)7763(Top 68%)7763(Top 159%)
15K9.32 mi3.11 mi20202-2067847-847847-8420624(Top 77%)8024(Top 70%)8024(Top 164%)
20K12.43 mi3.11 mi20188+147823+247823+2420176(Top 76%)7761(Top 68%)7761(Top 159%)
Half13.11 mi0.68 mi20282-947872-497872-4921447(Top 81%)8476(Top 74%)8476(Top 174%)
25K15.53 mi2.42 mi20324-427887-157887-1520373(Top 77%)7913(Top 69%)7913(Top 162%)
30K18.64 mi3.11 mi20055+2697759+1287759+12819011(Top 71%)7199(Top 63%)7199(Top 147%)
20M20.00 mi1.36 mi19894+1617680+797680+7918346(Top 69%)6936(Top 61%)6936(Top 142%)
21M21.00 mi1.00 mi19672+2227552+1287552+12816240(Top 61%)5768(Top 50%)5768(Top 118%)
35K21.75 mi0.75 mi19581+917510+427510+4216643(Top 63%)6083(Top 53%)6083(Top 125%)
23M23.00 mi1.25 mi19418+1637414+967414+9616663(Top 63%)6126(Top 54%)6126(Top 125%)
24M24.00 mi1.00 mi19257+1617338+767338+7615417(Top 58%)5498(Top 48%)5498(Top 113%)
40K24.85 mi0.85 mi19107+1507262+767262+7614991(Top 56%)5306(Top 46%)5306(Top 109%)
25.2M25.20 mi0.35 mi19021+867214+487214+4813132(Top 49%)4330(Top 38%)4330(Top 89%)
Finish26.22 mi1.02 mi18849+1727125+897125+8913021(Top 49%)4237(Top 37%)4237(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20624

Females

8024

F18-39

8024

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20116

Females

7763

F18-39

7763

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20624

Females

8024

F18-39

8024

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20176

Females

7761

F18-39

7761

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21447

Females

8476

F18-39

8476

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20373

Females

7913

F18-39

7913

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

19011

Females

7199

F18-39

7199

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18346

Females

6936

F18-39

6936

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16240

Females

5768

F18-39

5768

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16643

Females

6083

F18-39

6083

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16663

Females

6126

F18-39

6126

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15417

Females

5498

F18-39

5498

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14991

Females

5306

F18-39

5306

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13132

Females

4330

F18-39

4330

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13021

Females

4237

F18-39

4237

Passing Analysis

Category:
Athletes Passed
2212
Passed By
1122
Net Change
+1090
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19939
5K → 10K270327-57#19939#19996
10K → 15K109315-206#19996#20202
15K → 20K170156+14#20202#20188
20K → Half10104-94#20188#20282
Half → 25K102144-42#20282#20324
25K → 30K30637+269#20324#20055
30K → 20M17110+161#20055#19894
20M → 21M2275+222#19894#19672
21M → 35K943+91#19672#19581
35K → 23M17613+163#19581#19418
23M → 24M1621+161#19418#19257
24M → 40K1566+150#19257#19107
40K → 25.2M860+86#19107#19021
25.2M → Finish1731+172#19021#18849
TOTALS22121122+1090
📊

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