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BOSTON MARATHON 2023

Jackie Loenser

Bib: 18523•F

NE

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
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
25:11
Rank: #14762
Start → 5K
25:11 | 8:06/mi
10K· 6.21 mi
50:01
Rank: #14740 (+22)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:14:56
Rank: #14659 (+81)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:40:01
Rank: #14463 (+196)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:45:31
Rank: #14499 (-36)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:05:18
Rank: #14392 (+107)
Half → 25K
19:47 | 8:10/mi
30K· 18.64 mi
2:30:54
Rank: #14070 (+322)
25K → 30K
25:36 | 8:14/mi
20M
2:42:40
Rank: #14107 (-37)
30K → 20M
11:46 | 8:40/mi
21M
2:52:11
Rank: #14211 (-104)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
2:58:28
Rank: #14219 (-8)
21M → 35K
6:17 | 8:24/mi
23M
3:09:11
Rank: #14145 (+74)
35K → 23M
10:43 | 8:34/mi
24M
3:17:24
Rank: #14062 (+83)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:24:38
Rank: #14000 (+62)
24M → 40K
7:14 | 8:28/mi
25.2M
3:27:49
Rank: #13997 (+3)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:36:16
Rank: #13992 (+5)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:45
Pace8:27 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2525:118:0625:11
8:06
-
10K
6.21 mi11:41:1550:018:0324:50
8:00
-0:06
15K
9.32 mi12:06:101:14:568:0224:55
8:01
+0:01
20K
12.43 mi12:31:151:40:018:0325:05
8:04
+0:03
Half
13.11 mi12:36:451:45:318:035:30
8:04
0:00
25K
15.53 mi12:56:322:05:188:0419:47
8:10
+0:06
30K
18.64 mi13:22:082:30:548:0625:36
8:14
+0:04
20M
20.00 mi13:33:542:42:408:0811:46
8:40
+0:26
21M
21.00 mi13:43:252:52:118:129:31
9:31
+0:51
35K
21.75 mi13:49:422:58:288:126:17
8:24
-1:07
23M
23.00 mi14:00:253:09:118:1410:43
8:34
+0:10
24M
24.00 mi14:08:383:17:248:148:13
8:13
-0:21
40K
24.85 mi14:15:523:24:388:147:14
8:28
+0:15
25.2M
25.20 mi14:19:033:27:498:153:11
9:14
+0:46
Finish
26.22 mi14:27:303:36:168:158:27
8:18
-0:56

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

8:00 /mi

Average Pace

8:15 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:34

94% of race

Time at Steady Pace

3:11

1% of race

Time at Slower Pace

9:31

4% of race

Average Pace: 8:15 /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 mi11:16:2525:118:0625:11
8:06
#14762
10K
6.21 mi11:41:1550:018:0324:50
8:00
#14740
15K
9.32 mi12:06:101:14:568:0224:55
8:01
#14659
20K
12.43 mi12:31:151:40:018:0325:05
8:04
#14463
Half
13.11 mi12:36:451:45:318:035:30
8:04
#14499
25K
15.53 mi12:56:322:05:188:0419:47
8:10
#14392
30K
18.64 mi13:22:082:30:548:0625:36
8:14
#14070
20M
20.00 mi13:33:542:42:408:0811:46
8:40
#14107
21M
21.00 mi13:43:252:52:118:129:31
9:31
#14211
35K
21.75 mi13:49:422:58:288:126:17
8:24
#14219
23M
23.00 mi14:00:253:09:118:1410:43
8:34
#14145
24M
24.00 mi14:08:383:17:248:148:13
8:13
#14062
40K
24.85 mi14:15:523:24:388:147:14
8:28
#14000
25.2M
25.20 mi14:19:033:27:498:153:11
9:14
#13997
Finish
26.22 mi14:27:303:36:168:158:27
8:18
#13992
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147624493449314552(Top 55%)4416(Top 39%)4416(Top 90%)
10K6.21 mi3.10 mi14740+224491+24491+214770(Top 55%)4523(Top 40%)4523(Top 93%)
15K9.32 mi3.11 mi14659+814451+404451+4014552(Top 55%)4416(Top 39%)4416(Top 90%)
20K12.43 mi3.11 mi14463+1964351+1004351+10014062(Top 53%)4144(Top 36%)4144(Top 85%)
Half13.11 mi0.68 mi14499-364368-174368-1714893(Top 56%)4613(Top 40%)4613(Top 94%)
25K15.53 mi2.42 mi14392+1074340+284340+2813955(Top 52%)4191(Top 37%)4191(Top 86%)
30K18.64 mi3.11 mi14070+3224190+1504190+15012630(Top 47%)3546(Top 31%)3546(Top 73%)
20M20.00 mi1.36 mi14107-374232-424232-4214627(Top 55%)4779(Top 42%)4779(Top 98%)
21M21.00 mi1.00 mi14211-1044319-874319-8716039(Top 60%)5646(Top 49%)5646(Top 116%)
35K21.75 mi0.75 mi14219-84343-244343-2414733(Top 55%)4947(Top 43%)4947(Top 101%)
23M23.00 mi1.25 mi14145+744314+294314+2913602(Top 51%)4397(Top 38%)4397(Top 90%)
24M24.00 mi1.00 mi14062+834288+264288+2612758(Top 48%)3998(Top 35%)3998(Top 82%)
40K24.85 mi0.85 mi14000+624268+204268+2013101(Top 49%)4257(Top 37%)4257(Top 87%)
25.2M25.20 mi0.35 mi13997+34277-94277-913851(Top 52%)4662(Top 41%)4662(Top 95%)
Finish26.22 mi1.02 mi13992+54291-144291-1414078(Top 53%)4782(Top 42%)4782(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14552

Females

4416

F18-39

4416

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14770

Females

4523

F18-39

4523

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14552

Females

4416

F18-39

4416

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14062

Females

4144

F18-39

4144

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14893

Females

4613

F18-39

4613

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13955

Females

4191

F18-39

4191

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12630

Females

3546

F18-39

3546

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14627

Females

4779

F18-39

4779

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16039

Females

5646

F18-39

5646

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14733

Females

4947

F18-39

4947

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13602

Females

4397

F18-39

4397

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12758

Females

3998

F18-39

3998

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13101

Females

4257

F18-39

4257

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13851

Females

4662

F18-39

4662

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14078

Females

4782

F18-39

4782

Passing Analysis

Category:
Athletes Passed
2031
Passed By
1261
Net Change
+770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14762
5K → 10K301279+22#14762#14740
10K → 15K235154+81#14740#14659
15K → 20K29094+196#14659#14463
20K → Half1753-36#14463#14499
Half → 25K20194+107#14499#14392
25K → 30K36543+322#14392#14070
30K → 20M79116-37#14070#14107
20M → 21M48152-104#14107#14211
21M → 35K5159-8#14211#14219
35K → 23M13460+74#14219#14145
23M → 24M10825+83#14145#14062
24M → 40K10038+62#14062#14000
40K → 25.2M3027+3#14000#13997
25.2M → Finish7267+5#13997#13992
TOTALS20311261+770
📊

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