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BOSTON MARATHON 2024

Jacqueline Heilbronn

Bib: 21813•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F60-64)
#0 / 549
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:51/mi
27:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:09/mi
55:56
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:24:02
↑ 67↓ 78
20K· 12.43 mi
9:22/mi
1:53:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:58:57
↑ 19↓ 370.5%
25K· 15.53 mi
9:31/mi
2:22:01
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:50:39
↑ 181↓ 1480.2%
20M
9:08/mi
3:03:04
↑ 64↓ 500.2%
21M
10:08/mi
3:13:12
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:20:03
↑ 17↓ 861.7%
23M
9:25/mi
3:31:51
↑ 23↓ 630.6%
24M
9:26/mi
3:41:17
↓ 821.3%
40K· 24.85 mi
9:52/mi
3:49:43
↓ 200.3%
25.2M
11:30/mi
3:53:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
4:02:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:57
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:03:46
Pace9:26 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2927:298:5127:29
8:51
-
10K
6.21 mi11:53:5655:569:0028:27
9:09
+0:18
15K
9.32 mi12:22:021:24:029:0128:06
9:03
-0:06
20K
12.43 mi12:51:071:53:079:0629:05
9:22
+0:19
Half
13.11 mi12:56:571:58:579:045:50
8:33
-0:49
25K
15.53 mi13:20:012:22:019:0923:04
9:31
+0:58
30K
18.64 mi13:48:392:50:399:0928:38
9:13
-0:18
20M
20.00 mi14:01:043:03:049:0912:25
9:08
-0:05
21M
21.00 mi14:11:123:13:129:1210:08
10:08
+1:00
35K
21.75 mi14:18:033:20:039:126:51
9:09
-0:59
23M
23.00 mi14:29:513:31:519:1311:48
9:25
+0:16
24M
24.00 mi14:39:173:41:179:139:26
9:26
+0:01
40K
24.85 mi14:47:433:49:439:158:26
9:52
+0:26
25.2M
25.20 mi14:51:413:53:419:163:58
11:30
+1:38
Finish
26.22 mi15:00:434:02:439:169:02
8:52
-2:38

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

8:33 /mi

Average Pace

9:16 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:21

17% of race

Time at Steady Pace

2:57:50

73% of race

Time at Slower Pace

22:32

9% of race

Average Pace: 9:15 /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 mi11:25:2927:298:5127:29
8:51
#19487
10K
6.21 mi11:53:5655:569:0028:27
9:09
#19913
15K
9.32 mi12:22:021:24:029:0128:06
9:03
#19636
20K
12.43 mi12:51:071:53:079:0629:05
9:22
#19381
Half
13.11 mi12:56:571:58:579:045:50
8:33
#19236
25K
15.53 mi13:20:012:22:019:0923:04
9:31
#18922
30K
18.64 mi13:48:392:50:399:0928:38
9:13
#18066
20M
20.00 mi14:01:043:03:049:0912:25
9:08
#17678
21M
21.00 mi14:11:123:13:129:1210:08
10:08
#17447
35K
21.75 mi14:18:033:20:039:126:51
9:09
#17308
23M
23.00 mi14:29:513:31:519:1311:48
9:25
#17064
24M
24.00 mi14:39:173:41:179:139:26
9:26
#16923
40K
24.85 mi14:47:433:49:439:158:26
9:52
#16805
25.2M
25.20 mi14:51:413:53:419:163:58
11:30
#16784
Finish
26.22 mi15:00:434:02:439:169:02
8:52
#16651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi194877615761519104(Top 75%)7298(Top 67%)7298(Top 1329%)
10K6.21 mi3.10 mi19913-4267815-2007815-20020365(Top 80%)8024(Top 73%)8024(Top 1462%)
15K9.32 mi3.11 mi19636+2777641+1747641+17419104(Top 75%)7298(Top 67%)7298(Top 1329%)
20K12.43 mi3.11 mi19381+2557506+1357506+13518749(Top 73%)7137(Top 65%)7137(Top 1300%)
Half13.11 mi0.68 mi19236+1457432+747432+7416057(Top 63%)5666(Top 52%)5666(Top 1032%)
25K15.53 mi2.42 mi18922+3147269+1637269+16317605(Top 69%)6595(Top 60%)6595(Top 1201%)
30K18.64 mi3.11 mi18066+8566870+3996870+39914256(Top 56%)5015(Top 46%)5015(Top 913%)
20M20.00 mi1.36 mi17678+3886683+1876683+18712836(Top 50%)4489(Top 41%)4489(Top 818%)
21M21.00 mi1.00 mi17447+2316576+1076576+10713520(Top 53%)5060(Top 46%)5060(Top 922%)
35K21.75 mi0.75 mi17308+1396517+596517+5914109(Top 55%)5390(Top 49%)5390(Top 982%)
23M23.00 mi1.25 mi17064+2446409+1086409+10813209(Top 52%)5019(Top 46%)5019(Top 914%)
24M24.00 mi1.00 mi16923+1416351+586351+5814215(Top 56%)5549(Top 51%)5549(Top 1011%)
40K24.85 mi0.85 mi16805+1186323+286323+2814537(Top 57%)5792(Top 53%)5792(Top 1055%)
25.2M25.20 mi0.35 mi16784+216326-36326-316077(Top 63%)6576(Top 60%)6576(Top 1198%)
Finish26.22 mi1.02 mi16651+1336279+476279+4713568(Top 53%)5273(Top 48%)5273(Top 960%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19104

Females

7298

F60-64

7298

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

20365

Females

8024

F60-64

8024

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19104

Females

7298

F60-64

7298

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

18749

Females

7137

F60-64

7137

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16057

Females

5666

F60-64

5666

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17605

Females

6595

F60-64

6595

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14256

Females

5015

F60-64

5015

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

12836

Females

4489

F60-64

4489

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13520

Females

5060

F60-64

5060

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14109

Females

5390

F60-64

5390

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13209

Females

5019

F60-64

5019

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14215

Females

5549

F60-64

5549

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

14537

Females

5792

F60-64

5792

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16077

Females

6576

F60-64

6576

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

13568

Females

5273

F60-64

5273

Passing Analysis

Category:
Athletes Passed
3774
Passed By
938
Net Change
+2836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19487
5K → 10K128554-426#19487#19913
10K → 15K37699+277#19913#19636
15K → 20K35196+255#19636#19381
20K → Half1461+145#19381#19236
Half → 25K36854+314#19236#18922
25K → 30K8637+856#18922#18066
30K → 20M3891+388#18066#17678
20M → 21M24918+231#17678#17447
21M → 35K15112+139#17447#17308
35K → 23M2506+244#17308#17064
23M → 24M1509+141#17064#16923
24M → 40K15335+118#16923#16805
40K → 25.2M5130+21#16805#16784
25.2M → Finish14916+133#16784#16651
TOTALS3774938+2836
📊

Passing Visuals

Category:
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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