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BOSTON MARATHON 2024

Jazz Van Loon

DC

Bib: 10938 F

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:43/mi
27:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:46/mi
54:18
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:39/mi
1:21:11
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:34/mi
1:47:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:04/mi
1:53:18
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:31/mi
2:13:57
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:57/mi
2:41:46
↑ 181↓ 1480.2%
138 ft elev
20M
8:47/mi
2:53:42
↑ 64↓ 500.2%
148 ft elev
21M
9:44/mi
3:03:26
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:32/mi
3:09:49
↑ 17↓ 861.7%
156 ft elev
23M
8:53/mi
3:20:56
↑ 23↓ 630.6%
116 ft elev
24M
8:34/mi
3:29:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:47/mi
3:37:01
↓ 200.3%
20 ft elev
25.2M
10:09/mi
3:40:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:08/mi
3:49:49
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:18
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:56:31
Pace8:53 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0527:048:4327:04
8:43
-
10K
6.21 mi11:22:1954:188:4427:14
8:46
+0:03
15K
9.32 mi11:49:121:21:118:4326:53
8:39
-0:07
20K
12.43 mi12:15:491:47:488:4026:37
8:34
-0:05
Half
13.11 mi12:21:191:53:188:395:30
8:04
-0:30
25K
15.53 mi12:41:582:13:578:3720:39
8:31
+0:27
30K
18.64 mi13:09:472:41:468:4127:49
8:57
+0:26
20M
20.00 mi13:21:432:53:428:4111:56
8:47
-0:10
21M
21.00 mi13:31:273:03:268:449:44
9:44
+0:57
35K
21.75 mi13:37:503:09:498:446:23
8:32
-1:12
23M
23.00 mi13:48:573:20:568:4411:07
8:53
+0:21
24M
24.00 mi13:57:313:29:308:448:34
8:34
-0:19
40K
24.85 mi14:05:023:37:018:447:31
8:47
+0:13
25.2M
25.20 mi14:08:323:40:318:453:30
10:09
+1:22
Finish
26.22 mi14:17:503:49:498:469:18
9:08
-1:01

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

8:04 /mi

Average Pace

8:46 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:09

11% of race

Time at Steady Pace

3:01:08

79% of race

Time at Slower Pace

22:32

10% of race

Average Pace: 8:46 /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 mi10:55:0527:048:4327:04
8:43
#18883
10K
6.21 mi11:22:1954:188:4427:14
8:46
#18798
15K
9.32 mi11:49:121:21:118:4326:53
8:39
#18225
20K
12.43 mi12:15:491:47:488:4026:37
8:34
#17356
Half
13.11 mi12:21:191:53:188:395:30
8:04
#17142
25K
15.53 mi12:41:582:13:578:3720:39
8:31
#16416
30K
18.64 mi13:09:472:41:468:4127:49
8:57
#15769
20M
20.00 mi13:21:432:53:428:4111:56
8:47
#15416
21M
21.00 mi13:31:273:03:268:449:44
9:44
#15188
35K
21.75 mi13:37:503:09:498:446:23
8:32
#15049
23M
23.00 mi13:48:573:20:568:4411:07
8:53
#14756
24M
24.00 mi13:57:313:29:308:448:34
8:34
#14488
40K
24.85 mi14:05:023:37:018:447:31
8:47
#14298
25.2M
25.20 mi14:08:323:40:318:453:30
10:09
#14234
Finish
26.22 mi14:17:503:49:498:469:18
9:08
#14226
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi188837275727517228(Top 67%)6276(Top 57%)6276(Top 135%)
10K6.21 mi3.10 mi18798+857213+627213+6218694(Top 73%)7132(Top 65%)7132(Top 153%)
15K9.32 mi3.11 mi18225+5736867+3466867+34617228(Top 67%)6276(Top 57%)6276(Top 135%)
20K12.43 mi3.11 mi17356+8696380+4876380+48715173(Top 59%)5114(Top 47%)5114(Top 110%)
Half13.11 mi0.68 mi17142+2146260+1206260+12013229(Top 52%)4043(Top 37%)4043(Top 87%)
25K15.53 mi2.42 mi16416+7265849+4115849+41113164(Top 52%)4138(Top 38%)4138(Top 89%)
30K18.64 mi3.11 mi15769+6475533+3165533+31613012(Top 51%)4281(Top 39%)4281(Top 92%)
20M20.00 mi1.36 mi15416+3535373+1605373+16011017(Top 43%)3490(Top 32%)3490(Top 75%)
21M21.00 mi1.00 mi15188+2285285+885285+8811871(Top 46%)4196(Top 38%)4196(Top 90%)
35K21.75 mi0.75 mi15049+1395222+635222+6310986(Top 43%)3754(Top 34%)3754(Top 81%)
23M23.00 mi1.25 mi14756+2935119+1035119+10310568(Top 41%)3698(Top 34%)3698(Top 79%)
24M24.00 mi1.00 mi14488+2685020+995020+999891(Top 39%)3394(Top 31%)3394(Top 73%)
40K24.85 mi0.85 mi14298+1904939+814939+819891(Top 39%)3527(Top 32%)3527(Top 76%)
25.2M25.20 mi0.35 mi14234+644920+194920+1911586(Top 45%)4390(Top 40%)4390(Top 94%)
Finish26.22 mi1.02 mi14226+84942-224942-2214836(Top 58%)5883(Top 54%)5883(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17228

Females

6276

F18-39

6276

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18694

Females

7132

F18-39

7132

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17228

Females

6276

F18-39

6276

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15173

Females

5114

F18-39

5114

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13229

Females

4043

F18-39

4043

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13164

Females

4138

F18-39

4138

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13012

Females

4281

F18-39

4281

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11017

Females

3490

F18-39

3490

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11871

Females

4196

F18-39

4196

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

10986

Females

3754

F18-39

3754

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10568

Females

3698

F18-39

3698

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

9891

Females

3394

F18-39

3394

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9891

Females

3527

F18-39

3527

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11586

Females

4390

F18-39

4390

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

14836

Females

5883

F18-39

5883

Passing Analysis

Category:
Athletes Passed
5085
Passed By
428
Net Change
+4657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18883
5K → 10K325240+85#18883#18798
10K → 15K59421+573#18798#18225
15K → 20K8701+869#18225#17356
20K → Half2140+214#17356#17142
Half → 25K7282+726#17142#16416
25K → 30K66316+647#16416#15769
30K → 20M3596+353#15769#15416
20M → 21M25426+228#15416#15188
21M → 35K1423+139#15188#15049
35K → 23M30815+293#15049#14756
23M → 24M2724+268#14756#14488
24M → 40K1933+190#14488#14298
40K → 25.2M7410+64#14298#14234
25.2M → Finish8981+8#14234#14226
TOTALS5085428+4657
📊

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