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BOSTON MARATHON 2023

Nicole Welch

Bib: 17484•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
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
23:50
Rank: #11221
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:23
Rank: #11163 (+58)
5K → 10K
23:33 | 7:35/mi
15K· 9.32 mi
1:11:03
Rank: #11137 (+26)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:36:29
Rank: #12080 (-943)
15K → 20K
25:26 | 8:11/mi
Half· 13.11 mi
1:41:44
Rank: #12070 (+10)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:00:50
Rank: #11999 (+71)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:26:45
Rank: #12238 (-239)
25K → 30K
25:55 | 8:21/mi
20M
2:39:40
Rank: #12909 (-671)
30K → 20M
12:55 | 9:30/mi
21M
2:51:30
Rank: #13965 (-1056)
20M → 21M
11:50 | 11:50/mi
35K· 21.75 mi
2:57:53
Rank: #14012 (-47)
21M → 35K
6:23 | 8:32/mi
23M
3:10:05
Rank: #14433 (-421)
35K → 23M
12:12 | 9:45/mi
24M
3:18:57
Rank: #14511 (-78)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:26:55
Rank: #14632 (-121)
24M → 40K
7:58 | 9:19/mi
25.2M
3:31:01
Rank: #14831 (-199)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
3:40:19
Rank: #15018 (-187)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:58:35
Pace9:03 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0923:507:4023:50
7:40
-
10K
6.21 mi11:40:4247:237:3823:33
7:35
-0:05
15K
9.32 mi12:04:221:11:037:3723:40
7:37
+0:02
20K
12.43 mi12:29:481:36:297:4625:26
8:11
+0:34
Half
13.11 mi12:35:031:41:447:465:15
7:42
-0:29
25K
15.53 mi12:54:092:00:507:4719:06
7:53
+0:11
30K
18.64 mi13:20:042:26:457:5225:55
8:21
+0:28
20M
20.00 mi13:32:592:39:407:5912:55
9:30
+1:09
21M
21.00 mi13:44:492:51:308:1011:50
11:50
+2:20
35K
21.75 mi13:51:122:57:538:116:23
8:32
-3:18
23M
23.00 mi14:03:243:10:058:1612:12
9:45
+1:13
24M
24.00 mi14:12:163:18:578:178:52
8:52
-0:53
40K
24.85 mi14:20:143:26:558:207:58
9:19
+0:27
25.2M
25.20 mi14:24:203:31:018:224:06
11:53
+2:34
Finish
26.22 mi14:33:383:40:198:259:18
9:08
-2:45

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

7:35 /mi

Average Pace

8:25 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:18

35% of race

Time at Steady Pace

1:35:00

43% of race

Time at Slower Pace

49:01

22% of race

Average Pace: 8:24 /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 mi11:17:0923:507:4023:50
7:40
#11221
10K
6.21 mi11:40:4247:237:3823:33
7:35
#11163
15K
9.32 mi12:04:221:11:037:3723:40
7:37
#11137
20K
12.43 mi12:29:481:36:297:4625:26
8:11
#12080
Half
13.11 mi12:35:031:41:447:465:15
7:42
#12070
25K
15.53 mi12:54:092:00:507:4719:06
7:53
#11999
30K
18.64 mi13:20:042:26:457:5225:55
8:21
#12238
20M
20.00 mi13:32:592:39:407:5912:55
9:30
#12909
21M
21.00 mi13:44:492:51:308:1011:50
11:50
#13965
35K
21.75 mi13:51:122:57:538:116:23
8:32
#14012
23M
23.00 mi14:03:243:10:058:1612:12
9:45
#14433
24M
24.00 mi14:12:163:18:578:178:52
8:52
#14511
40K
24.85 mi14:20:143:26:558:207:58
9:19
#14632
25.2M
25.20 mi14:24:203:31:018:224:06
11:53
#14831
Finish
26.22 mi14:33:383:40:198:259:18
9:08
#15018
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112212451245111187(Top 42%)2453(Top 21%)2453(Top 50%)
10K6.21 mi3.10 mi11163+582418+332418+3311171(Top 42%)2422(Top 21%)2422(Top 50%)
15K9.32 mi3.11 mi11137+262412+62412+611187(Top 42%)2453(Top 21%)2453(Top 50%)
20K12.43 mi3.11 mi12080-9432956-5442956-54414908(Top 56%)4657(Top 41%)4657(Top 95%)
Half13.11 mi0.68 mi12070+102960-42960-411952(Top 45%)2904(Top 25%)2904(Top 59%)
25K15.53 mi2.42 mi11999+712939+212939+2111776(Top 44%)2949(Top 26%)2949(Top 60%)
30K18.64 mi3.11 mi12238-2393118-1793118-17913314(Top 50%)3929(Top 34%)3929(Top 80%)
20M20.00 mi1.36 mi12909-6713518-4003518-40018899(Top 71%)7247(Top 63%)7247(Top 148%)
21M21.00 mi1.00 mi13965-10564164-6464164-64622488(Top 84%)9273(Top 81%)9273(Top 190%)
35K21.75 mi0.75 mi14012-474209-454209-4515546(Top 58%)5451(Top 48%)5451(Top 112%)
23M23.00 mi1.25 mi14433-4214495-2864495-28619260(Top 72%)7568(Top 66%)7568(Top 155%)
24M24.00 mi1.00 mi14511-784559-644559-6416643(Top 63%)6173(Top 54%)6173(Top 126%)
40K24.85 mi0.85 mi14632-1214664-1054664-10517646(Top 66%)6775(Top 59%)6775(Top 139%)
25.2M25.20 mi0.35 mi14831-1994791-1274791-12722345(Top 84%)9321(Top 82%)9321(Top 191%)
Finish26.22 mi1.02 mi15018-1874919-1284919-12818614(Top 70%)7244(Top 63%)7244(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11187

Females

2453

F18-39

2453

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11171

Females

2422

F18-39

2422

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11187

Females

2453

F18-39

2453

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14908

Females

4657

F18-39

4657

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11952

Females

2904

F18-39

2904

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11776

Females

2949

F18-39

2949

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13314

Females

3929

F18-39

3929

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18899

Females

7247

F18-39

7247

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22488

Females

9273

F18-39

9273

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15546

Females

5451

F18-39

5451

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19260

Females

7568

F18-39

7568

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16643

Females

6173

F18-39

6173

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17646

Females

6775

F18-39

6775

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22345

Females

9321

F18-39

9321

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18614

Females

7244

F18-39

7244

Passing Analysis

Category:
Athletes Passed
1058
Passed By
4855
Net Change
-3797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11221
5K → 10K335277+58#11221#11163
10K → 15K202176+26#11163#11137
15K → 20K26969-943#11137#12080
20K → Half3626+10#12080#12070
Half → 25K15281+71#12070#11999
25K → 30K131370-239#11999#12238
30K → 20M12683-671#12238#12909
20M → 21M41060-1056#12909#13965
21M → 35K3380-47#13965#14012
35K → 23M16437-421#14012#14433
23M → 24M53131-78#14433#14511
24M → 40K32153-121#14511#14632
40K → 25.2M5204-199#14632#14831
25.2M → Finish21208-187#14831#15018
TOTALS10584855-3797
📊

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