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BOSTON MARATHON 2023

Jennifer Bachelder

Bib: 19441•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 27%
Division (F45-49)
#0 / 1817
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #11085
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
48:01
Rank: #12094 (-1009)
5K → 10K
24:14 | 7:48/mi
15K· 9.32 mi
1:12:17
Rank: #12270 (-176)
10K → 15K
24:16 | 7:49/mi
20K· 12.43 mi
1:37:03
Rank: #12478 (-208)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:42:29
Rank: #12561 (-83)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:03:15
Rank: #13333 (-772)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:29:12
Rank: #13330 (+3)
25K → 30K
25:57 | 8:21/mi
20M
2:40:55
Rank: #13391 (-61)
30K → 20M
11:43 | 8:37/mi
21M
2:50:22
Rank: #13545 (-154)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
2:56:22
Rank: #13488 (+57)
21M → 35K
6:00 | 8:01/mi
23M
3:07:49
Rank: #13720 (-232)
35K → 23M
11:27 | 9:09/mi
24M
3:16:32
Rank: #13797 (-77)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:24:45
Rank: #14042 (-245)
24M → 40K
8:13 | 9:37/mi
25.2M
3:28:22
Rank: #14163 (-121)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:37:50
Rank: #14394 (-231)
25.2M → Finish
9:28 | 9:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:29
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3723:477:3923:47
7:39
-
10K
6.21 mi11:46:5148:017:4424:14
7:48
+0:09
15K
9.32 mi12:11:071:12:177:4524:16
7:49
+0:01
20K
12.43 mi12:35:531:37:037:4924:46
7:58
+0:09
Half
13.11 mi12:41:191:42:297:495:26
7:58
0:00
25K
15.53 mi13:02:052:03:157:5620:46
8:34
+0:36
30K
18.64 mi13:28:022:29:128:0025:57
8:21
-0:13
20M
20.00 mi13:39:452:40:558:0311:43
8:37
+0:16
21M
21.00 mi13:49:122:50:228:079:27
9:27
+0:50
35K
21.75 mi13:55:122:56:228:076:00
8:01
-1:26
23M
23.00 mi14:06:393:07:498:1011:27
9:09
+1:08
24M
24.00 mi14:15:223:16:328:118:43
8:43
-0:26
40K
24.85 mi14:23:353:24:458:148:13
9:37
+0:54
25.2M
25.20 mi14:27:123:28:228:163:37
10:29
+0:52
Finish
26.22 mi14:36:403:37:508:199:28
9:17
-1:12

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

7:39 /mi

Average Pace

8:19 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:29

50% of race

Time at Steady Pace

1:07:09

31% of race

Time at Slower Pace

42:12

19% of race

Average Pace: 8:18 /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 mi11:22:3723:477:3923:47
7:39
#11085
10K
6.21 mi11:46:5148:017:4424:14
7:48
#12094
15K
9.32 mi12:11:071:12:177:4524:16
7:49
#12270
20K
12.43 mi12:35:531:37:037:4924:46
7:58
#12478
Half
13.11 mi12:41:191:42:297:495:26
7:58
#12561
25K
15.53 mi13:02:052:03:157:5620:46
8:34
#13333
30K
18.64 mi13:28:022:29:128:0025:57
8:21
#13330
20M
20.00 mi13:39:452:40:558:0311:43
8:37
#13391
21M
21.00 mi13:49:122:50:228:079:27
9:27
#13545
35K
21.75 mi13:55:122:56:228:076:00
8:01
#13488
23M
23.00 mi14:06:393:07:498:1011:27
9:09
#13720
24M
24.00 mi14:15:223:16:328:118:43
8:43
#13797
40K
24.85 mi14:23:353:24:458:148:13
9:37
#14042
25.2M
25.20 mi14:27:123:28:228:163:37
10:29
#14163
Finish
26.22 mi14:36:403:37:508:199:28
9:17
#14394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi110852381238112850(Top 48%)3383(Top 30%)3383(Top 186%)
10K6.21 mi3.10 mi12094-10092913-5322913-53213132(Top 49%)3512(Top 31%)3512(Top 193%)
15K9.32 mi3.11 mi12270-1763043-1303043-13012850(Top 48%)3383(Top 30%)3383(Top 186%)
20K12.43 mi3.11 mi12478-2083188-1453188-14513220(Top 50%)3669(Top 32%)3669(Top 202%)
Half13.11 mi0.68 mi12561-833242-543242-5414148(Top 53%)4179(Top 37%)4179(Top 230%)
25K15.53 mi2.42 mi13333-7723707-4653707-46516591(Top 62%)5765(Top 50%)5765(Top 317%)
30K18.64 mi3.11 mi13330+33743-363743-3613374(Top 50%)3963(Top 35%)3963(Top 218%)
20M20.00 mi1.36 mi13391-613795-523795-5214426(Top 54%)4660(Top 41%)4660(Top 256%)
21M21.00 mi1.00 mi13545-1543906-1113906-11115736(Top 59%)5471(Top 48%)5471(Top 301%)
35K21.75 mi0.75 mi13488+573878+283878+2812342(Top 46%)3633(Top 32%)3633(Top 200%)
23M23.00 mi1.25 mi13720-2324054-1764054-17616773(Top 63%)6165(Top 54%)6165(Top 339%)
24M24.00 mi1.00 mi13797-774136-824136-8215757(Top 59%)5670(Top 50%)5670(Top 312%)
40K24.85 mi0.85 mi14042-2454299-1634299-16318724(Top 70%)7333(Top 64%)7333(Top 404%)
25.2M25.20 mi0.35 mi14163-1214381-824381-8219068(Top 72%)7529(Top 66%)7529(Top 414%)
Finish26.22 mi1.02 mi14394-2314539-1584539-15819316(Top 73%)7616(Top 67%)7616(Top 419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12850

Females

3383

F45-49

3383

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13132

Females

3512

F45-49

3512

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12850

Females

3383

F45-49

3383

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13220

Females

3669

F45-49

3669

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14148

Females

4179

F45-49

4179

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16591

Females

5765

F45-49

5765

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13374

Females

3963

F45-49

3963

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14426

Females

4660

F45-49

4660

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15736

Females

5471

F45-49

5471

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12342

Females

3633

F45-49

3633

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16773

Females

6165

F45-49

6165

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15757

Females

5670

F45-49

5670

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18724

Females

7333

F45-49

7333

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19068

Females

7529

F45-49

7529

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19316

Females

7616

F45-49

7616

Passing Analysis

Category:
Athletes Passed
855
Passed By
4164
Net Change
-3309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11085
5K → 10K551064-1009#11085#12094
10K → 15K132308-176#12094#12270
15K → 20K106314-208#12270#12478
20K → Half1295-83#12478#12561
Half → 25K27799-772#12561#13333
25K → 30K194191+3#13333#13330
30K → 20M66127-61#13330#13391
20M → 21M49203-154#13391#13545
21M → 35K8629+57#13545#13488
35K → 23M35267-232#13488#13720
23M → 24M45122-77#13720#13797
24M → 40K21266-245#13797#14042
40K → 25.2M8129-121#14042#14163
25.2M → Finish19250-231#14163#14394
TOTALS8554164-3309
📊

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