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BOSTON MARATHON 2024

Jennifer Blum

Bib: 29012•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:41
Rank: #20919
Start → 5K
28:41 | 9:14/mi
10K· 6.21 mi
55:53
Rank: #19871 (+1048)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:23:45
Rank: #19498 (+373)
10K → 15K
27:52 | 8:58/mi
20K· 12.43 mi
1:52:26
Rank: #19172 (+326)
15K → 20K
28:41 | 9:14/mi
Half· 13.11 mi
1:58:25
Rank: #19058 (+114)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:20:45
Rank: #18581 (+477)
Half → 25K
22:20 | 9:13/mi
30K· 18.64 mi
2:49:43
Rank: #17846 (+735)
25K → 30K
28:58 | 9:19/mi
20M
3:02:27
Rank: #17537 (+309)
30K → 20M
12:44 | 9:22/mi
21M
3:12:14
Rank: #17244 (+293)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:19:09
Rank: #17113 (+131)
21M → 35K
6:55 | 9:15/mi
23M
3:31:00
Rank: #16896 (+217)
35K → 23M
11:51 | 9:28/mi
24M
3:40:25
Rank: #16768 (+128)
23M → 24M
9:25 | 9:25/mi
40K· 24.85 mi
3:48:16
Rank: #16565 (+203)
24M → 40K
7:51 | 9:11/mi
25.2M
3:51:38
Rank: #16449 (+116)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
4:00:32
Rank: #16314 (+135)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:25
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:02:07
Pace9:19 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0628:419:1428:41
9:14
-
10K
6.21 mi12:17:1855:539:0027:12
8:45
-0:29
15K
9.32 mi12:45:101:23:458:5927:52
8:58
+0:13
20K
12.43 mi13:13:511:52:269:0328:41
9:14
+0:16
Half
13.11 mi13:19:501:58:259:025:59
8:46
-0:28
25K
15.53 mi13:42:102:20:459:0422:20
9:13
+0:27
30K
18.64 mi14:11:082:49:439:0628:58
9:19
+0:06
20M
20.00 mi14:23:523:02:279:0712:44
9:22
+0:03
21M
21.00 mi14:33:393:12:149:099:47
9:47
+0:25
35K
21.75 mi14:40:343:19:099:096:55
9:15
-0:32
23M
23.00 mi14:52:253:31:009:1011:51
9:28
+0:13
24M
24.00 mi15:01:503:40:259:119:25
9:25
-0:03
40K
24.85 mi15:09:413:48:169:117:51
9:11
-0:14
25.2M
25.20 mi15:13:033:51:389:123:22
9:46
+0:35
Finish
26.22 mi15:21:574:00:329:118:54
8:44
-1:02

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

8:44 /mi

Average Pace

9:11 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:47:23

95% of race

Time at Steady Pace

13:09

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:10 /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 mi11:50:0628:419:1428:41
9:14
#20919
10K
6.21 mi12:17:1855:539:0027:12
8:45
#19871
15K
9.32 mi12:45:101:23:458:5927:52
8:58
#19498
20K
12.43 mi13:13:511:52:269:0328:41
9:14
#19172
Half
13.11 mi13:19:501:58:259:025:59
8:46
#19058
25K
15.53 mi13:42:102:20:459:0422:20
9:13
#18581
30K
18.64 mi14:11:082:49:439:0628:58
9:19
#17846
20M
20.00 mi14:23:523:02:279:0712:44
9:22
#17537
21M
21.00 mi14:33:393:12:149:099:47
9:47
#17244
35K
21.75 mi14:40:343:19:099:096:55
9:15
#17113
23M
23.00 mi14:52:253:31:009:1011:51
9:28
#16896
24M
24.00 mi15:01:503:40:259:119:25
9:25
#16768
40K
24.85 mi15:09:413:48:169:117:51
9:11
#16565
25.2M
25.20 mi15:13:033:51:389:123:22
9:46
#16449
Finish
26.22 mi15:21:574:00:329:118:54
8:44
#16314
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi209198363836318767(Top 73%)7114(Top 65%)7114(Top 153%)
10K6.21 mi3.10 mi19871+10487791+5727791+57218647(Top 73%)7107(Top 65%)7107(Top 153%)
15K9.32 mi3.11 mi19498+3737571+2207571+22018767(Top 73%)7114(Top 65%)7114(Top 153%)
20K12.43 mi3.11 mi19172+3267392+1797392+17918307(Top 72%)6878(Top 63%)6878(Top 148%)
Half13.11 mi0.68 mi19058+1147323+697323+6917227(Top 67%)6350(Top 58%)6350(Top 136%)
25K15.53 mi2.42 mi18581+4777082+2417082+24116466(Top 64%)5974(Top 55%)5974(Top 128%)
30K18.64 mi3.11 mi17846+7356751+3316751+33114726(Top 58%)5278(Top 48%)5278(Top 113%)
20M20.00 mi1.36 mi17537+3096598+1536598+15313977(Top 55%)5119(Top 47%)5119(Top 110%)
21M21.00 mi1.00 mi17244+2936461+1376461+13712095(Top 47%)4321(Top 40%)4321(Top 93%)
35K21.75 mi0.75 mi17113+1316407+546407+5414501(Top 57%)5590(Top 51%)5590(Top 120%)
23M23.00 mi1.25 mi16896+2176317+906317+9013388(Top 52%)5102(Top 47%)5102(Top 109%)
24M24.00 mi1.00 mi16768+1286269+486269+4814149(Top 55%)5518(Top 51%)5518(Top 118%)
40K24.85 mi0.85 mi16565+2036184+856184+8511739(Top 46%)4420(Top 40%)4420(Top 95%)
25.2M25.20 mi0.35 mi16449+1166136+486136+4810018(Top 39%)3662(Top 34%)3662(Top 79%)
Finish26.22 mi1.02 mi16314+1356094+426094+4212862(Top 50%)4905(Top 45%)4905(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

18767

Females

7114

F18-39

7114

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

18647

Females

7107

F18-39

7107

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

18767

Females

7114

F18-39

7114

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

18307

Females

6878

F18-39

6878

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17227

Females

6350

F18-39

6350

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16466

Females

5974

F18-39

5974

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14726

Females

5278

F18-39

5278

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

13977

Females

5119

F18-39

5119

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12095

Females

4321

F18-39

4321

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

14501

Females

5590

F18-39

5590

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13388

Females

5102

F18-39

5102

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14149

Females

5518

F18-39

5518

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

11739

Females

4420

F18-39

4420

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10018

Females

3662

F18-39

3662

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12862

Females

4905

F18-39

4905

Passing Analysis

Category:
Athletes Passed
4881
Passed By
276
Net Change
+4605
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20919
5K → 10K106921+1048#20919#19871
10K → 15K44168+373#19871#19498
15K → 20K41286+326#19498#19172
20K → Half1195+114#19172#19058
Half → 25K49316+477#19058#18581
25K → 30K74510+735#18581#17846
30K → 20M3123+309#17846#17537
20M → 21M2985+293#17537#17244
21M → 35K1409+131#17244#17113
35K → 23M22811+217#17113#16896
23M → 24M15426+128#16896#16768
24M → 40K2085+203#16768#16565
40K → 25.2M1160+116#16565#16449
25.2M → Finish14611+135#16449#16314
TOTALS4881276+4605
📊

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