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BOSTON MARATHON 2024

Jessica Jacobsen

Bib: 14082•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 30%
Gender (Female)
#0 / 10924
Top 15%
Masters (Masters Women)
#0 / 6263
Top 6%
Division (F45-49)
#0 / 1753
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:01
Rank: #10010
Start → 5K
23:01 | 7:25/mi
10K· 6.21 mi
45:55
Rank: #9560 (+450)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:09:04
Rank: #9433 (+127)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:32:30
Rank: #9197 (+236)
15K → 20K
23:26 | 7:33/mi
Half· 13.11 mi
1:37:35
Rank: #9158 (+39)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:07
Rank: #8892 (+266)
Half → 25K
18:32 | 7:39/mi
30K· 18.64 mi
2:20:07
Rank: #8263 (+629)
25K → 30K
24:00 | 7:43/mi
20M
2:30:51
Rank: #8037 (+226)
30K → 20M
10:44 | 7:54/mi
21M
2:39:37
Rank: #7910 (+127)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:45:51
Rank: #7941 (-31)
21M → 35K
6:14 | 8:20/mi
23M
2:56:35
Rank: #7899 (+42)
35K → 23M
10:44 | 8:34/mi
24M
3:04:43
Rank: #7814 (+85)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:11:45
Rank: #7715 (+99)
24M → 40K
7:02 | 8:14/mi
25.2M
3:14:56
Rank: #7685 (+30)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:23:07
Rank: #7677 (+8)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:35
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:45:32
Pace8:03 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5223:017:2523:01
7:25
-
10K
6.21 mi11:17:4645:557:2322:54
7:22
-0:03
15K
9.32 mi11:40:551:09:047:2523:09
7:27
+0:05
20K
12.43 mi12:04:211:32:307:2723:26
7:33
+0:06
Half
13.11 mi12:09:261:37:357:275:05
7:27
-0:06
25K
15.53 mi12:27:581:56:077:2818:32
7:39
+0:12
30K
18.64 mi12:51:582:20:077:3124:00
7:43
+0:04
20M
20.00 mi13:02:422:30:517:3310:44
7:54
+0:11
21M
21.00 mi13:11:282:39:377:368:46
8:46
+0:52
35K
21.75 mi13:17:422:45:517:386:14
8:20
-0:26
23M
23.00 mi13:28:262:56:357:4110:44
8:34
+0:14
24M
24.00 mi13:36:343:04:437:428:08
8:08
-0:26
40K
24.85 mi13:43:363:11:457:437:02
8:14
+0:06
25.2M
25.20 mi13:46:473:14:567:443:11
9:14
+1:00
Finish
26.22 mi13:54:583:23:077:458:11
8:02
-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

7:22 /mi

Average Pace

7:45 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:35

48% of race

Time at Steady Pace

1:09:35

34% of race

Time at Slower Pace

35:57

18% of race

Average Pace: 7:45 /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 mi10:54:5223:017:2523:01
7:25
#10010
10K
6.21 mi11:17:4645:557:2322:54
7:22
#9560
15K
9.32 mi11:40:551:09:047:2523:09
7:27
#9433
20K
12.43 mi12:04:211:32:307:2723:26
7:33
#9197
Half
13.11 mi12:09:261:37:357:275:05
7:27
#9158
25K
15.53 mi12:27:581:56:077:2818:32
7:39
#8892
30K
18.64 mi12:51:582:20:077:3124:00
7:43
#8263
20M
20.00 mi13:02:422:30:517:3310:44
7:54
#8037
21M
21.00 mi13:11:282:39:377:368:46
8:46
#7910
35K
21.75 mi13:17:422:45:517:386:14
8:20
#7941
23M
23.00 mi13:28:262:56:357:4110:44
8:34
#7899
24M
24.00 mi13:36:343:04:437:428:08
8:08
#7814
40K
24.85 mi13:43:363:11:457:437:02
8:14
#7715
25.2M
25.20 mi13:46:473:14:567:443:11
9:14
#7685
Finish
26.22 mi13:54:583:23:077:458:11
8:02
#7677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi10010202220229294(Top 36%)1826(Top 17%)1826(Top 104%)
10K6.21 mi3.10 mi9560+4501850+1721850+1729220(Top 36%)1746(Top 16%)1746(Top 100%)
15K9.32 mi3.11 mi9433+1271825+251825+259294(Top 36%)1826(Top 17%)1826(Top 104%)
20K12.43 mi3.11 mi9197+2361762+631762+638688(Top 34%)1667(Top 15%)1667(Top 95%)
Half13.11 mi0.68 mi9158+391747+151747+158793(Top 34%)1714(Top 16%)1714(Top 98%)
25K15.53 mi2.42 mi8892+2661665+821665+827938(Top 31%)1532(Top 14%)1532(Top 87%)
30K18.64 mi3.11 mi8263+6291500+1651500+1656278(Top 25%)1074(Top 10%)1074(Top 61%)
20M20.00 mi1.36 mi8037+2261462+381462+386233(Top 24%)1226(Top 11%)1226(Top 70%)
21M21.00 mi1.00 mi7910+1271444+181444+187484(Top 29%)1929(Top 18%)1929(Top 110%)
35K21.75 mi0.75 mi7941-311491-471491-479779(Top 38%)3095(Top 28%)3095(Top 177%)
23M23.00 mi1.25 mi7899+421528-371528-378867(Top 35%)2800(Top 26%)2800(Top 160%)
24M24.00 mi1.00 mi7814+851537-91537-97395(Top 29%)2190(Top 20%)2190(Top 125%)
40K24.85 mi0.85 mi7715+991540-31540-36955(Top 27%)2098(Top 19%)2098(Top 120%)
25.2M25.20 mi0.35 mi7685+301556-161556-167637(Top 30%)2476(Top 23%)2476(Top 141%)
Finish26.22 mi1.02 mi7677+81601-451601-458721(Top 34%)2912(Top 27%)2912(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9294

Females

1826

F45-49

1826

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9220

Females

1746

F45-49

1746

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9294

Females

1826

F45-49

1826

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8688

Females

1667

F45-49

1667

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8793

Females

1714

F45-49

1714

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7938

Females

1532

F45-49

1532

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6278

Females

1074

F45-49

1074

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6233

Females

1226

F45-49

1226

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7484

Females

1929

F45-49

1929

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9779

Females

3095

F45-49

3095

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

8867

Females

2800

F45-49

2800

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7395

Females

2190

F45-49

2190

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6955

Females

2098

F45-49

2098

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7637

Females

2476

F45-49

2476

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8721

Females

2912

F45-49

2912

Passing Analysis

Category:
Athletes Passed
3197*
Passed By
864
Net Change
+2333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10010
5K → 10K530*80+450#10010#9560
10K → 15K250123+127#9560#9433
15K → 20K32589+236#9433#9197
20K → Half5718+39#9197#9158
Half → 25K32559+266#9158#8892
25K → 30K65425+629#8892#8263
30K → 20M25226+226#8263#8037
20M → 21M17952+127#8037#7910
21M → 35K6293-31#7910#7941
35K → 23M146104+42#7941#7899
23M → 24M13550+85#7899#7814
24M → 40K13738+99#7814#7715
40K → 25.2M5525+30#7715#7685
25.2M → Finish9082+8#7685#7677
TOTALS3197*864+2333

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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