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BOSTON MARATHON 2024

Jaclyn Blumberg

Bib: 19382•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Female)
#0 / 10924
Top 16%
Masters (Masters Women)
#0 / 6263
Top 6%
Division (F40-44)
#0 / 1613
Top 14%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:05
Rank: #12725
Start → 5K
24:05 | 7:45/mi
10K· 6.21 mi
48:22
Rank: #12740 (-15)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:13:41
Rank: #13342 (-602)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:37:50
Rank: #12435 (+907)
15K → 20K
24:09 | 7:46/mi
Half· 13.11 mi
1:43:07
Rank: #12343 (+92)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:02:43
Rank: #11967 (+376)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:26:29
Rank: #10673 (+1294)
25K → 30K
23:46 | 7:39/mi
20M
2:36:54
Rank: #10107 (+566)
30K → 20M
10:25 | 7:40/mi
21M
2:45:09
Rank: #9694 (+413)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:50:39
Rank: #9397 (+297)
21M → 35K
5:30 | 7:21/mi
23M
3:00:07
Rank: #8901 (+496)
35K → 23M
9:28 | 7:34/mi
24M
3:07:22
Rank: #8557 (+344)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:13:52
Rank: #8301 (+256)
24M → 40K
6:30 | 7:36/mi
25.2M
3:16:42
Rank: #8177 (+124)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:24:07
Rank: #7953 (+224)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:07
Pace7:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:41:00
Pace7:42 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3024:057:4524:05
7:45
-
10K
6.21 mi11:42:4748:227:4724:17
7:49
+0:04
15K
9.32 mi12:08:061:13:417:5425:19
8:09
+0:20
20K
12.43 mi12:32:151:37:507:5224:09
7:46
-0:23
Half
13.11 mi12:37:321:43:077:525:17
7:45
-0:01
25K
15.53 mi12:57:082:02:437:5419:36
8:05
+0:20
30K
18.64 mi13:20:542:26:297:5123:46
7:39
-0:26
20M
20.00 mi13:31:192:36:547:5110:25
7:40
+0:01
21M
21.00 mi13:39:342:45:097:528:15
8:15
+0:35
35K
21.75 mi13:45:042:50:397:515:30
7:21
-0:54
23M
23.00 mi13:54:323:00:077:509:28
7:34
+0:13
24M
24.00 mi14:01:473:07:227:487:15
7:15
-0:19
40K
24.85 mi14:08:173:13:527:486:30
7:36
+0:21
25.2M
25.20 mi14:11:073:16:427:482:50
8:13
+0:37
Finish
26.22 mi14:18:323:24:077:477:25
7:17
-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

7:15 /mi

Average Pace

7:47 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:07

73% of race

Time at Steady Pace

56:00

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:18:3024:057:4524:05
7:45
#12725
10K
6.21 mi11:42:4748:227:4724:17
7:49
#12740
15K
9.32 mi12:08:061:13:417:5425:19
8:09
#13342
20K
12.43 mi12:32:151:37:507:5224:09
7:46
#12435
Half
13.11 mi12:37:321:43:077:525:17
7:45
#12343
25K
15.53 mi12:57:082:02:437:5419:36
8:05
#11967
30K
18.64 mi13:20:542:26:297:5123:46
7:39
#10673
20M
20.00 mi13:31:192:36:547:5110:25
7:40
#10107
21M
21.00 mi13:39:342:45:097:528:15
8:15
#9694
35K
21.75 mi13:45:042:50:397:515:30
7:21
#9397
23M
23.00 mi13:54:323:00:077:509:28
7:34
#8901
24M
24.00 mi14:01:473:07:227:487:15
7:15
#8557
40K
24.85 mi14:08:173:13:527:486:30
7:36
#8301
25.2M
25.20 mi14:11:073:16:427:482:50
8:13
#8177
Finish
26.22 mi14:18:323:24:077:477:25
7:17
#7953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi127253551355114390(Top 56%)4597(Top 42%)4597(Top 285%)
10K6.21 mi3.10 mi12740-153584-333584-3312791(Top 50%)3639(Top 33%)3639(Top 226%)
15K9.32 mi3.11 mi13342-6023947-3633947-36314390(Top 56%)4597(Top 42%)4597(Top 285%)
20K12.43 mi3.11 mi12435+9073445+5023445+50210234(Top 40%)2444(Top 22%)2444(Top 152%)
Half13.11 mi0.68 mi12343+923409+363409+3610919(Top 43%)2739(Top 25%)2739(Top 170%)
25K15.53 mi2.42 mi11967+3763246+1633246+16310721(Top 42%)2820(Top 26%)2820(Top 175%)
30K18.64 mi3.11 mi10673+12942656+5902656+5905873(Top 23%)931(Top 9%)931(Top 58%)
20M20.00 mi1.36 mi10107+5662432+2242432+2245063(Top 20%)770(Top 7%)770(Top 48%)
21M21.00 mi1.00 mi9694+4132269+1632269+1635156(Top 20%)957(Top 9%)957(Top 59%)
35K21.75 mi0.75 mi9397+2972167+1022167+1024442(Top 17%)679(Top 6%)679(Top 42%)
23M23.00 mi1.25 mi8901+4961991+1761991+1763879(Top 15%)574(Top 5%)574(Top 36%)
24M24.00 mi1.00 mi8557+3441881+1101881+1103206(Top 13%)434(Top 4%)434(Top 27%)
40K24.85 mi0.85 mi8301+2561814+671814+673950(Top 15%)769(Top 7%)769(Top 48%)
25.2M25.20 mi0.35 mi8177+1241791+231791+233504(Top 14%)649(Top 6%)649(Top 40%)
Finish26.22 mi1.02 mi7953+2241716+751716+754430(Top 17%)953(Top 9%)953(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14390

Females

4597

F40-44

4597

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

12791

Females

3639

F40-44

3639

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14390

Females

4597

F40-44

4597

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10234

Females

2444

F40-44

2444

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

10919

Females

2739

F40-44

2739

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

10721

Females

2820

F40-44

2820

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5873

Females

931

F40-44

931

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5063

Females

770

F40-44

770

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5156

Females

957

F40-44

957

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4442

Females

679

F40-44

679

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3879

Females

574

F40-44

574

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3206

Females

434

F40-44

434

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3950

Females

769

F40-44

769

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3504

Females

649

F40-44

649

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4430

Females

953

F40-44

953

Passing Analysis

Category:
Athletes Passed
5826*
Passed By
1054
Net Change
+4772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12725
5K → 10K273288-15#12725#12740
10K → 15K83685-602#12740#13342
15K → 20K9092+907#13342#12435
20K → Half10412+92#12435#12343
Half → 25K43559+376#12343#11967
25K → 30K12940+1294#11967#10673
30K → 20M5660+566#10673#10107
20M → 21M414*1+413#10107#9694
21M → 35K2970+297#9694#9397
35K → 23M4960+496#9397#8901
23M → 24M3451+344#8901#8557
24M → 40K2593+256#8557#8301
40K → 25.2M1240+124#8301#8177
25.2M → Finish2273+224#8177#7953
TOTALS5826*1054+4772

* 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