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BOSTON MARATHON 2023

Karine Loiselle

Bib: 17701•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F40-44)
#0 / 1878
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:00
Rank: #11694
Start → 5K
24:00 | 7:43/mi
10K· 6.21 mi
47:51
Rank: #11824 (-130)
5K → 10K
23:51 | 7:41/mi
15K· 9.32 mi
1:11:54
Rank: #11910 (-86)
10K → 15K
24:03 | 7:44/mi
20K· 12.43 mi
1:36:40
Rank: #12205 (-295)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:42:03
Rank: #12275 (-70)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:01:47
Rank: #12511 (-236)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:28:36
Rank: #13075 (-564)
25K → 30K
26:49 | 8:38/mi
20M
2:39:32
Rank: #12852 (+223)
30K → 20M
10:56 | 8:03/mi
21M
2:48:11
Rank: #12720 (+132)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:54:21
Rank: #12760 (-40)
21M → 35K
6:10 | 8:15/mi
23M
3:04:31
Rank: #12611 (+149)
35K → 23M
10:10 | 8:07/mi
24M
3:12:28
Rank: #12527 (+84)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:19:18
Rank: #12437 (+90)
24M → 40K
6:50 | 8:00/mi
25.2M
3:22:18
Rank: #12403 (+34)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:30:12
Rank: #12324 (+79)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:03
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:48:09
Pace8:15 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5124:007:4324:00
7:43
-
10K
6.21 mi11:38:4247:517:4223:51
7:41
-0:02
15K
9.32 mi12:02:451:11:547:4324:03
7:44
+0:03
20K
12.43 mi12:27:311:36:407:4724:46
7:58
+0:14
Half
13.11 mi12:32:541:42:037:475:23
7:53
-0:05
25K
15.53 mi12:52:382:01:477:5019:44
8:08
+0:15
30K
18.64 mi13:19:272:28:367:5826:49
8:38
+0:30
20M
20.00 mi13:30:232:39:327:5910:56
8:03
-0:35
21M
21.00 mi13:39:022:48:118:018:39
8:39
+0:36
35K
21.75 mi13:45:122:54:218:016:10
8:15
-0:24
23M
23.00 mi13:55:223:04:318:0110:10
8:07
-0:08
24M
24.00 mi14:03:193:12:288:017:57
7:57
-0:10
40K
24.85 mi14:10:093:19:188:016:50
8:00
+0:03
25.2M
25.20 mi14:13:093:22:188:023:00
8:42
+0:42
Finish
26.22 mi14:21:033:30:128:017:54
7:45
-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

7:41 /mi

Average Pace

8:01 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:44

82% of race

Time at Steady Pace

38:28

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:14:5124:007:4324:00
7:43
#11694
10K
6.21 mi11:38:4247:517:4223:51
7:41
#11824
15K
9.32 mi12:02:451:11:547:4324:03
7:44
#11910
20K
12.43 mi12:27:311:36:407:4724:46
7:58
#12205
Half
13.11 mi12:32:541:42:037:475:23
7:53
#12275
25K
15.53 mi12:52:382:01:477:5019:44
8:08
#12511
30K
18.64 mi13:19:272:28:367:5826:49
8:38
#13075
20M
20.00 mi13:30:232:39:327:5910:56
8:03
#12852
21M
21.00 mi13:39:022:48:118:018:39
8:39
#12720
35K
21.75 mi13:45:122:54:218:016:10
8:15
#12760
23M
23.00 mi13:55:223:04:318:0110:10
8:07
#12611
24M
24.00 mi14:03:193:12:288:017:57
7:57
#12527
40K
24.85 mi14:10:093:19:188:016:50
8:00
#12437
25.2M
25.20 mi14:13:093:22:188:023:00
8:42
#12403
Finish
26.22 mi14:21:033:30:128:017:54
7:45
#12324
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi116942692269212226(Top 46%)3032(Top 27%)3032(Top 161%)
10K6.21 mi3.10 mi11824-1302777-852777-8512044(Top 45%)2901(Top 25%)2901(Top 154%)
15K9.32 mi3.11 mi11910-862842-652842-6512226(Top 46%)3032(Top 27%)3032(Top 161%)
20K12.43 mi3.11 mi12205-2953038-1963038-19613211(Top 50%)3660(Top 32%)3660(Top 195%)
Half13.11 mi0.68 mi12275-703081-433081-4313527(Top 51%)3803(Top 33%)3803(Top 203%)
25K15.53 mi2.42 mi12511-2363236-1553236-15513796(Top 52%)4089(Top 36%)4089(Top 218%)
30K18.64 mi3.11 mi13075-5643596-3603596-36015109(Top 57%)5000(Top 44%)5000(Top 266%)
20M20.00 mi1.36 mi12852+2233483+1133483+11310636(Top 40%)2562(Top 22%)2562(Top 136%)
21M21.00 mi1.00 mi12720+1323426+573426+5711384(Top 43%)3082(Top 27%)3082(Top 164%)
35K21.75 mi0.75 mi12760-403462-363462-3613755(Top 52%)4418(Top 39%)4418(Top 235%)
23M23.00 mi1.25 mi12611+1493395+673395+6710640(Top 40%)2843(Top 25%)2843(Top 151%)
24M24.00 mi1.00 mi12527+843367+283367+2810920(Top 41%)3051(Top 27%)3051(Top 162%)
40K24.85 mi0.85 mi12437+903334+333334+3310044(Top 38%)2681(Top 23%)2681(Top 143%)
25.2M25.20 mi0.35 mi12403+343328+63328+610823(Top 41%)3097(Top 27%)3097(Top 165%)
Finish26.22 mi1.02 mi12324+793305+233305+2310356(Top 39%)2873(Top 25%)2873(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12226

Females

3032

F40-44

3032

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12044

Females

2901

F40-44

2901

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12226

Females

3032

F40-44

3032

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13211

Females

3660

F40-44

3660

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13527

Females

3803

F40-44

3803

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13796

Females

4089

F40-44

4089

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15109

Females

5000

F40-44

5000

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10636

Females

2562

F40-44

2562

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11384

Females

3082

F40-44

3082

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13755

Females

4418

F40-44

4418

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10640

Females

2843

F40-44

2843

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10920

Females

3051

F40-44

3051

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10044

Females

2681

F40-44

2681

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10823

Females

3097

F40-44

3097

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10356

Females

2873

F40-44

2873

Passing Analysis

Category:
Athletes Passed
1627
Passed By
2257
Net Change
-630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11694
5K → 10K243373-130#11694#11824
10K → 15K159245-86#11824#11910
15K → 20K87382-295#11910#12205
20K → Half1484-70#12205#12275
Half → 25K62298-236#12275#12511
25K → 30K67631-564#12511#13075
30K → 20M23512+223#13075#12852
20M → 21M16735+132#12852#12720
21M → 35K3676-40#12720#12760
35K → 23M16819+149#12760#12611
23M → 24M11329+84#12611#12527
24M → 40K10515+90#12527#12437
40K → 25.2M5016+34#12437#12403
25.2M → Finish12142+79#12403#12324
TOTALS16272257-630
📊

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