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BOSTON MARATHON 2023

Jennifer Ludwig

Bib: 16203•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F45-49)
#0 / 1817
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:56
Rank: #6639
Start → 5K
21:56 | 7:04/mi
10K· 6.21 mi
43:48
Rank: #6806 (-167)
5K → 10K
21:52 | 7:02/mi
15K· 9.32 mi
1:05:57
Rank: #6959 (-153)
10K → 15K
22:09 | 7:08/mi
20K· 12.43 mi
1:28:32
Rank: #7079 (-120)
15K → 20K
22:35 | 7:16/mi
Half· 13.11 mi
1:33:17
Rank: #7033 (+46)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:51:05
Rank: #7065 (-32)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:14:27
Rank: #7065
25K → 30K
23:22 | 7:31/mi
20M
2:24:52
Rank: #7070 (-5)
30K → 20M
10:25 | 7:40/mi
21M
2:32:56
Rank: #7068 (+2)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:38:23
Rank: #7053 (+15)
21M → 35K
5:27 | 7:17/mi
23M
2:47:52
Rank: #6988 (+65)
35K → 23M
9:29 | 7:34/mi
24M
2:55:15
Rank: #6960 (+28)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:01:42
Rank: #6927 (+33)
24M → 40K
6:27 | 7:33/mi
25.2M
3:04:30
Rank: #6908 (+19)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:11:54
Rank: #6876 (+32)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:17
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:38:37
Pace7:31 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1821:567:0421:56
7:04
-
10K
6.21 mi11:34:1043:487:0321:52
7:02
-0:02
15K
9.32 mi11:56:191:05:577:0522:09
7:08
+0:06
20K
12.43 mi12:18:541:28:327:0722:35
7:16
+0:08
Half
13.11 mi12:23:391:33:177:074:45
6:58
-0:18
25K
15.53 mi12:41:271:51:057:0917:48
7:20
+0:22
30K
18.64 mi13:04:492:14:277:1323:22
7:31
+0:11
20M
20.00 mi13:15:142:24:527:1510:25
7:40
+0:09
21M
21.00 mi13:23:182:32:567:178:04
8:04
+0:24
35K
21.75 mi13:28:452:38:237:175:27
7:17
-0:47
23M
23.00 mi13:38:142:47:527:189:29
7:34
+0:17
24M
24.00 mi13:45:372:55:157:187:23
7:23
-0:11
40K
24.85 mi13:52:043:01:427:196:27
7:33
+0:10
25.2M
25.20 mi13:54:523:04:307:192:48
8:07
+0:34
Finish
26.22 mi14:02:163:11:547:197:24
7:16
-0:51

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

6:58 /mi

Average Pace

7:19 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:37

89% of race

Time at Steady Pace

21:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi11:12:1821:567:0421:56
7:04
#6639
10K
6.21 mi11:34:1043:487:0321:52
7:02
#6806
15K
9.32 mi11:56:191:05:577:0522:09
7:08
#6959
20K
12.43 mi12:18:541:28:327:0722:35
7:16
#7079
Half
13.11 mi12:23:391:33:177:074:45
6:58
#7033
25K
15.53 mi12:41:271:51:057:0917:48
7:20
#7065
30K
18.64 mi13:04:492:14:277:1323:22
7:31
#7065
20M
20.00 mi13:15:142:24:527:1510:25
7:40
#7070
21M
21.00 mi13:23:182:32:567:178:04
8:04
#7068
35K
21.75 mi13:28:452:38:237:175:27
7:17
#7053
23M
23.00 mi13:38:142:47:527:189:29
7:34
#6988
24M
24.00 mi13:45:372:55:157:187:23
7:23
#6960
40K
24.85 mi13:52:043:01:427:196:27
7:33
#6927
25.2M
25.20 mi13:54:523:04:307:192:48
8:07
#6908
Finish
26.22 mi14:02:163:11:547:197:24
7:16
#6876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi66396396397361(Top 28%)849(Top 7%)849(Top 47%)
10K6.21 mi3.10 mi6806-167677-38677-387080(Top 27%)776(Top 7%)776(Top 43%)
15K9.32 mi3.11 mi6959-153728-51728-517361(Top 28%)849(Top 7%)849(Top 47%)
20K12.43 mi3.11 mi7079-120766-38766-387578(Top 28%)958(Top 8%)958(Top 53%)
Half13.11 mi0.68 mi7033+46753+13753+136409(Top 24%)616(Top 5%)616(Top 34%)
25K15.53 mi2.42 mi7065-32774-21774-217586(Top 28%)1050(Top 9%)1050(Top 58%)
30K18.64 mi3.11 mi7065796-22796-227379(Top 28%)1065(Top 9%)1065(Top 59%)
20M20.00 mi1.36 mi7070-5804-8804-87981(Top 30%)1402(Top 12%)1402(Top 77%)
21M21.00 mi1.00 mi7068+2818-14818-147847(Top 29%)1461(Top 13%)1461(Top 80%)
35K21.75 mi0.75 mi7053+15823-5823-57102(Top 27%)1153(Top 10%)1153(Top 63%)
23M23.00 mi1.25 mi6988+65842-19842-196956(Top 26%)1166(Top 10%)1166(Top 64%)
24M24.00 mi1.00 mi6960+28847-5847-56998(Top 26%)1293(Top 11%)1293(Top 71%)
40K24.85 mi0.85 mi6927+33854-7854-77039(Top 26%)1400(Top 12%)1400(Top 77%)
25.2M25.20 mi0.35 mi6908+19865-11865-117347(Top 28%)1587(Top 14%)1587(Top 87%)
Finish26.22 mi1.02 mi6876+32876-11876-116904(Top 26%)1408(Top 12%)1408(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7361

Females

849

F45-49

849

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7080

Females

776

F45-49

776

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7361

Females

849

F45-49

849

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7578

Females

958

F45-49

958

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6409

Females

616

F45-49

616

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7586

Females

1050

F45-49

1050

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7379

Females

1065

F45-49

1065

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7981

Females

1402

F45-49

1402

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7847

Females

1461

F45-49

1461

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7102

Females

1153

F45-49

1153

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6956

Females

1166

F45-49

1166

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6998

Females

1293

F45-49

1293

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7039

Females

1400

F45-49

1400

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7347

Females

1587

F45-49

1587

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6904

Females

1408

F45-49

1408

Passing Analysis

Category:
Athletes Passed
1029
Passed By
1266
Net Change
-237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6639
5K → 10K124291-167#6639#6806
10K → 15K70223-153#6806#6959
15K → 20K65185-120#6959#7079
20K → Half504+46#7079#7033
Half → 25K74106-32#7033#7065
25K → 30K1201200#7065#7065
30K → 20M5661-5#7065#7070
20M → 21M6563+2#7070#7068
21M → 35K4429+15#7068#7053
35K → 23M11449+65#7053#6988
23M → 24M6436+28#6988#6960
24M → 40K7037+33#6960#6927
40K → 25.2M4223+19#6927#6908
25.2M → Finish7139+32#6908#6876
TOTALS10291266-237
📊

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