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BOSTON MARATHON 2023

Lindsey Welty

Bib: 10896•F

IN

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

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #9680
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
46:37
Rank: #10052 (-372)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:09:27
Rank: #9626 (+426)
10K → 15K
22:50 | 7:21/mi
20K· 12.43 mi
1:32:17
Rank: #9195 (+431)
15K → 20K
22:50 | 7:21/mi
Half· 13.11 mi
1:37:14
Rank: #9144 (+51)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:55:15
Rank: #8974 (+170)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:18:56
Rank: #8780 (+194)
25K → 30K
23:41 | 7:37/mi
20M
2:29:21
Rank: #8696 (+84)
30K → 20M
10:25 | 7:40/mi
21M
2:37:23
Rank: #8597 (+99)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:42:57
Rank: #8584 (+13)
21M → 35K
5:34 | 7:26/mi
23M
2:52:38
Rank: #8520 (+64)
35K → 23M
9:41 | 7:44/mi
24M
3:00:08
Rank: #8440 (+80)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:06:37
Rank: #8376 (+64)
24M → 40K
6:29 | 7:35/mi
25.2M
3:09:25
Rank: #8330 (+46)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:16:48
Rank: #8234 (+96)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:14
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:39:34
Pace7:36 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2523:197:3023:19
7:30
-
10K
6.21 mi11:12:4346:377:3023:18
7:30
0:00
15K
9.32 mi11:35:331:09:277:2722:50
7:21
-0:09
20K
12.43 mi11:58:231:32:177:2622:50
7:21
0:00
Half
13.11 mi12:03:201:37:147:254:57
7:15
-0:06
25K
15.53 mi12:21:211:55:157:2518:01
7:26
+0:11
30K
18.64 mi12:45:022:18:567:2723:41
7:37
+0:11
20M
20.00 mi12:55:272:29:217:2810:25
7:40
+0:03
21M
21.00 mi13:03:292:37:237:308:02
8:02
+0:22
35K
21.75 mi13:09:032:42:577:305:34
7:26
-0:36
23M
23.00 mi13:18:442:52:387:309:41
7:44
+0:18
24M
24.00 mi13:26:143:00:087:307:30
7:30
-0:14
40K
24.85 mi13:32:433:06:377:306:29
7:35
+0:05
25.2M
25.20 mi13:35:313:09:257:312:48
8:07
+0:32
Finish
26.22 mi13:42:543:16:487:317:23
7:15
-0:52

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

7:15 /mi

Average Pace

7:31 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:58

94% of race

Time at Steady Pace

10:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:49:2523:197:3023:19
7:30
#9680
10K
6.21 mi11:12:4346:377:3023:18
7:30
#10052
15K
9.32 mi11:35:331:09:277:2722:50
7:21
#9626
20K
12.43 mi11:58:231:32:177:2622:50
7:21
#9195
Half
13.11 mi12:03:201:37:147:254:57
7:15
#9144
25K
15.53 mi12:21:211:55:157:2518:01
7:26
#8974
30K
18.64 mi12:45:022:18:567:2723:41
7:37
#8780
20M
20.00 mi12:55:272:29:217:2810:25
7:40
#8696
21M
21.00 mi13:03:292:37:237:308:02
8:02
#8597
35K
21.75 mi13:09:032:42:577:305:34
7:26
#8584
23M
23.00 mi13:18:442:52:387:309:41
7:44
#8520
24M
24.00 mi13:26:143:00:087:307:30
7:30
#8440
40K
24.85 mi13:32:433:06:377:306:29
7:35
#8376
25.2M
25.20 mi13:35:313:09:257:312:48
8:07
#8330
Finish
26.22 mi13:42:543:16:487:317:23
7:15
#8234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9680169216928942(Top 34%)1423(Top 12%)1423(Top 29%)
10K6.21 mi3.10 mi10052-3721861-1691861-16910445(Top 39%)2022(Top 18%)2022(Top 41%)
15K9.32 mi3.11 mi9626+4261672+1891672+1898942(Top 34%)1423(Top 12%)1423(Top 29%)
20K12.43 mi3.11 mi9195+4311510+1621510+1628154(Top 31%)1160(Top 10%)1160(Top 24%)
Half13.11 mi0.68 mi9144+511492+181492+188319(Top 31%)1224(Top 11%)1224(Top 25%)
25K15.53 mi2.42 mi8974+1701434+581434+588273(Top 31%)1283(Top 11%)1283(Top 26%)
30K18.64 mi3.11 mi8780+1941397+371397+378126(Top 31%)1357(Top 12%)1357(Top 28%)
20M20.00 mi1.36 mi8696+841391+61391+67960(Top 30%)1383(Top 12%)1383(Top 28%)
21M21.00 mi1.00 mi8597+991373+181373+187579(Top 28%)1345(Top 12%)1345(Top 28%)
35K21.75 mi0.75 mi8584+131378-51378-58128(Top 31%)1546(Top 14%)1546(Top 32%)
23M23.00 mi1.25 mi8520+641380-21380-27971(Top 30%)1568(Top 14%)1568(Top 32%)
24M24.00 mi1.00 mi8440+801369+111369+117726(Top 29%)1566(Top 14%)1566(Top 32%)
40K24.85 mi0.85 mi8376+641366+31366+37242(Top 27%)1461(Top 13%)1461(Top 30%)
25.2M25.20 mi0.35 mi8330+461358+81358+87272(Top 27%)1516(Top 13%)1516(Top 31%)
Finish26.22 mi1.02 mi8234+961348+101348+106754(Top 25%)1331(Top 12%)1331(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8942

Females

1423

F18-39

1423

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10445

Females

2022

F18-39

2022

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8942

Females

1423

F18-39

1423

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8154

Females

1160

F18-39

1160

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8319

Females

1224

F18-39

1224

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8273

Females

1283

F18-39

1283

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8126

Females

1357

F18-39

1357

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7960

Females

1383

F18-39

1383

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7579

Females

1345

F18-39

1345

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8128

Females

1546

F18-39

1546

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7971

Females

1568

F18-39

1568

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7726

Females

1566

F18-39

1566

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7242

Females

1461

F18-39

1461

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7272

Females

1516

F18-39

1516

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6754

Females

1331

F18-39

1331

Passing Analysis

Category:
Athletes Passed
2368*
Passed By
921
Net Change
+1446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9680
5K → 10K168539-372#9680#10052
10K → 15K468*42+426#10052#9626
15K → 20K44110+431#9626#9195
20K → Half565+51#9195#9144
Half → 25K20131+170#9144#8974
25K → 30K26470+194#8974#8780
30K → 20M12541+84#8780#8696
20M → 21M12324+99#8696#8597
21M → 35K4734+13#8597#8584
35K → 23M11147+64#8584#8520
23M → 24M10323+80#8520#8440
24M → 40K8925+64#8440#8376
40K → 25.2M548+46#8376#8330
25.2M → Finish11822+96#8330#8234
TOTALS2368*921+1446

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

📊

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