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BOSTON MARATHON 2023

Nicole Mailloux

Bib: 14228•F

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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
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
24:59
Rank: #14311
Start → 5K
8:02/mi
24:59 split
10K· 6.21 mi
49:22
Rank: #13957 (+354)
5K → 10K
7:51/mi
24:23 split
15K· 9.32 mi
1:13:40
Rank: #13609 (+348)
10K → 15K
7:49/mi
24:18 split
20K· 12.43 mi
1:37:54
Rank: #13112 (+497)
15K → 20K
7:48/mi
24:14 split
Half· 13.11 mi
1:43:12
Rank: #13069 (+43)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:02:30
Rank: #12925 (+144)
Half → 25K
7:58/mi
19:18 split
30K· 18.64 mi
2:28:27
Rank: #13021 (-96)
25K → 30K
8:21/mi
25:57 split
20M
2:40:16
Rank: #13156 (-135)
30K → 20M
8:42/mi
11:49 split
21M
2:49:40
Rank: #13294 (-138)
20M → 21M
9:24/mi
9:24 split
35K· 21.75 mi
2:55:54
Rank: #13318 (-24)
21M → 35K
8:20/mi
6:14 split
23M
3:06:27
Rank: #13252 (+66)
35K → 23M
8:26/mi
10:33 split
24M
3:14:47
Rank: #13245 (+7)
23M → 24M
8:20/mi
8:20 split
40K· 24.85 mi
3:22:03
Rank: #13227 (+18)
24M → 40K
8:30/mi
7:16 split
25.2M
3:25:19
Rank: #13232 (-5)
40K → 25.2M
9:28/mi
3:16 split
Finish· 26.22 mi
3:33:25
Rank: #13170 (+62)
25.2M → Finish
7:57/mi
8:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:12
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1624:598:0224:59
8:02
-
10K
6.21 mi11:19:3949:227:5724:23
7:51
-0:11
15K
9.32 mi11:43:571:13:407:5424:18
7:49
-0:02
20K
12.43 mi12:08:111:37:547:5324:14
7:48
-0:01
Half
13.11 mi12:13:291:43:127:525:18
7:46
-0:02
25K
15.53 mi12:32:472:02:307:5319:18
7:58
+0:12
30K
18.64 mi12:58:442:28:277:5825:57
8:21
+0:23
20M
20.00 mi13:10:332:40:168:0111:49
8:42
+0:21
21M
21.00 mi13:19:572:49:408:059:24
9:24
+0:42
35K
21.75 mi13:26:112:55:548:056:14
8:20
-1:04
23M
23.00 mi13:36:443:06:278:0610:33
8:26
+0:06
24M
24.00 mi13:45:043:14:478:078:20
8:20
-0:06
40K
24.85 mi13:52:203:22:038:087:16
8:30
+0:10
25.2M
25.20 mi13:55:363:25:198:093:16
9:28
+0:58
Finish
26.22 mi14:03:423:33:258:098:06
7:57
-1:31

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

7:46 /mi

Average Pace

8:09 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:36

61% of race

Time at Steady Pace

58:20

27% of race

Time at Slower Pace

24:29

11% of race

Average Pace: 8:08 /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 mi10:55:1624:598:0224:59
8:02
#14311
10K
6.21 mi11:19:3949:227:5724:23
7:51
#13957
15K
9.32 mi11:43:571:13:407:5424:18
7:49
#13609
20K
12.43 mi12:08:111:37:547:5324:14
7:48
#13112
Half
13.11 mi12:13:291:43:127:525:18
7:46
#13069
25K
15.53 mi12:32:472:02:307:5319:18
7:58
#12925
30K
18.64 mi12:58:442:28:277:5825:57
8:21
#13021
20M
20.00 mi13:10:332:40:168:0111:49
8:42
#13156
21M
21.00 mi13:19:572:49:408:059:24
9:24
#13294
35K
21.75 mi13:26:112:55:548:056:14
8:20
#13318
23M
23.00 mi13:36:443:06:278:0610:33
8:26
#13252
24M
24.00 mi13:45:043:14:478:078:20
8:20
#13245
40K
24.85 mi13:52:203:22:038:087:16
8:30
#13227
25.2M
25.20 mi13:55:363:25:198:093:16
9:28
#13232
Finish
26.22 mi14:03:423:33:258:098:06
7:57
#13170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143114212421212922(Top 49%)3429(Top 30%)3429(Top 70%)
10K6.21 mi3.10 mi13957+3544016+1964016+19613559(Top 51%)3769(Top 33%)3769(Top 77%)
15K9.32 mi3.11 mi13609+3483822+1943822+19412922(Top 49%)3429(Top 30%)3429(Top 70%)
20K12.43 mi3.11 mi13112+4973553+2693553+26911771(Top 44%)2834(Top 25%)2834(Top 58%)
Half13.11 mi0.68 mi13069+433522+313522+3112533(Top 47%)3236(Top 28%)3236(Top 66%)
25K15.53 mi2.42 mi12925+1443464+583464+5812423(Top 47%)3323(Top 29%)3323(Top 68%)
30K18.64 mi3.11 mi13021-963560-963560-9613364(Top 50%)3953(Top 35%)3953(Top 81%)
20M20.00 mi1.36 mi13156-1353655-953655-9514838(Top 56%)4899(Top 43%)4899(Top 100%)
21M21.00 mi1.00 mi13294-1383750-953750-9515472(Top 58%)5327(Top 47%)5327(Top 109%)
35K21.75 mi0.75 mi13318-243782-323782-3214297(Top 54%)4714(Top 41%)4714(Top 97%)
23M23.00 mi1.25 mi13252+663767+153767+1512774(Top 48%)3953(Top 35%)3953(Top 81%)
24M24.00 mi1.00 mi13245+73789-223789-2213446(Top 51%)4356(Top 38%)4356(Top 89%)
40K24.85 mi0.85 mi13227+183794-53794-513349(Top 50%)4385(Top 38%)4385(Top 90%)
25.2M25.20 mi0.35 mi13232-53815-213815-2115071(Top 57%)5325(Top 47%)5325(Top 109%)
Finish26.22 mi1.02 mi13170+623799+163799+1611764(Top 44%)3584(Top 31%)3584(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12922

Females

3429

F18-39

3429

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13559

Females

3769

F18-39

3769

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12922

Females

3429

F18-39

3429

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11771

Females

2834

F18-39

2834

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12533

Females

3236

F18-39

3236

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12423

Females

3323

F18-39

3323

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13364

Females

3953

F18-39

3953

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14838

Females

4899

F18-39

4899

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15472

Females

5327

F18-39

5327

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14297

Females

4714

F18-39

4714

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12774

Females

3953

F18-39

3953

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13446

Females

4356

F18-39

4356

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13349

Females

4385

F18-39

4385

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15071

Females

5325

F18-39

5325

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11764

Females

3584

F18-39

3584

Passing Analysis

Category:
Athletes Passed
2405
Passed By
1264
Net Change
+1141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14311
5K → 10K508154+354#14311#13957
10K → 15K41264+348#13957#13609
15K → 20K51619+497#13609#13112
20K → Half6017+43#13112#13069
Half → 25K21470+144#13069#12925
25K → 30K159255-96#12925#13021
30K → 20M47182-135#13021#13156
20M → 21M47185-138#13156#13294
21M → 35K5175-24#13294#13318
35K → 23M12357+66#13318#13252
23M → 24M7164+7#13252#13245
24M → 40K6951+18#13245#13227
40K → 25.2M3439-5#13227#13232
25.2M → Finish9432+62#13232#13170
TOTALS24051264+1141
📊

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