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BOSTON MARATHON 2024

Ainsley Jacobs

Bib: 9167•F

MD

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 11%
Gender (Female)
#0 / 10924
Top 2%
Division (F18-39)
#0 / 4660
Top 3%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:32
Rank: #4102
Start → 5K
20:32 | 6:37/mi
10K· 6.21 mi
40:44
Rank: #3476 (+626)
5K → 10K
20:12 | 6:30/mi
15K· 9.32 mi
1:00:43
Rank: #3070 (+406)
10K → 15K
19:59 | 6:26/mi
20K· 12.43 mi
1:20:51
Rank: #2722 (+348)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:25:16
Rank: #2704 (+18)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:19
Rank: #2572 (+132)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:02:56
Rank: #2475 (+97)
25K → 30K
21:37 | 6:57/mi
20M
2:12:37
Rank: #2457 (+18)
30K → 20M
9:41 | 7:08/mi
21M
2:20:10
Rank: #2422 (+35)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:25:19
Rank: #2405 (+17)
21M → 35K
5:09 | 6:53/mi
23M
2:34:17
Rank: #2364 (+41)
35K → 23M
8:58 | 7:10/mi
24M
2:41:13
Rank: #2314 (+50)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:47:17
Rank: #2250 (+64)
24M → 40K
6:04 | 7:06/mi
25.2M
2:50:07
Rank: #2257 (-7)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:59:49
Rank: #2856 (-599)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:16
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1920:326:3720:32
6:37
-
10K
6.21 mi11:06:3140:446:3320:12
6:30
-0:07
15K
9.32 mi11:26:301:00:436:3119:59
6:26
-0:04
20K
12.43 mi11:46:381:20:516:3020:08
6:29
+0:03
Half
13.11 mi11:51:031:25:166:304:25
6:28
-0:01
25K
15.53 mi12:07:061:41:196:3116:03
6:37
+0:09
30K
18.64 mi12:28:432:02:566:3621:37
6:57
+0:20
20M
20.00 mi12:38:242:12:376:389:41
7:08
+0:11
21M
21.00 mi12:45:572:20:106:407:33
7:33
+0:25
35K
21.75 mi12:51:062:25:196:415:09
6:53
-0:40
23M
23.00 mi13:00:042:34:176:428:58
7:10
+0:17
24M
24.00 mi13:07:002:41:136:436:56
6:56
-0:14
40K
24.85 mi13:13:042:47:176:446:04
7:06
+0:10
25.2M
25.20 mi13:15:542:50:076:452:50
8:13
+1:07
Finish
26.22 mi13:25:362:59:496:529:42
9:31
+1:18

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

6:26 /mi

Average Pace

6:52 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:44

36% of race

Time at Steady Pace

1:35:00

53% of race

Time at Slower Pace

20:05

11% of race

Average Pace: 6:51 /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 mi10:46:1920:326:3720:32
6:37
#4102
10K
6.21 mi11:06:3140:446:3320:12
6:30
#3476
15K
9.32 mi11:26:301:00:436:3119:59
6:26
#3070
20K
12.43 mi11:46:381:20:516:3020:08
6:29
#2722
Half
13.11 mi11:51:031:25:166:304:25
6:28
#2704
25K
15.53 mi12:07:061:41:196:3116:03
6:37
#2572
30K
18.64 mi12:28:432:02:566:3621:37
6:57
#2475
20M
20.00 mi12:38:242:12:376:389:41
7:08
#2457
21M
21.00 mi12:45:572:20:106:407:33
7:33
#2422
35K
21.75 mi12:51:062:25:196:415:09
6:53
#2405
23M
23.00 mi13:00:042:34:176:428:58
7:10
#2364
24M
24.00 mi13:07:002:41:136:436:56
6:56
#2314
40K
24.85 mi13:13:042:47:176:446:04
7:06
#2250
25.2M
25.20 mi13:15:542:50:076:452:50
8:13
#2257
Finish
26.22 mi13:25:362:59:496:529:42
9:31
#2856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi41022202202372(Top 9%)82(Top 0.8%)82(Top 2%)
10K6.21 mi3.10 mi3476+626168+52168+523031(Top 12%)132(Top 1%)132(Top 3%)
15K9.32 mi3.11 mi3070+406135+33135+332372(Top 9%)82(Top 0.8%)82(Top 2%)
20K12.43 mi3.11 mi2722+348111+24111+242077(Top 8%)68(Top 0.6%)68(Top 1%)
Half13.11 mi0.68 mi2704+18110+1110+12539(Top 10%)108(Top 1.0%)108(Top 2%)
25K15.53 mi2.42 mi2572+1321101102238(Top 9%)94(Top 0.9%)94(Top 2%)
30K18.64 mi3.11 mi2475+97108+2108+22662(Top 10%)164(Top 2%)164(Top 4%)
20M20.00 mi1.36 mi2457+18110-2110-22881(Top 11%)230(Top 2%)230(Top 5%)
21M21.00 mi1.00 mi2422+35106+4106+42676(Top 10%)240(Top 2%)240(Top 5%)
35K21.75 mi0.75 mi2405+17108-2108-22638(Top 10%)231(Top 2%)231(Top 5%)
23M23.00 mi1.25 mi2364+41113-5113-52463(Top 10%)236(Top 2%)236(Top 5%)
24M24.00 mi1.00 mi2314+501131132127(Top 8%)203(Top 2%)203(Top 4%)
40K24.85 mi0.85 mi2250+64117-4117-42184(Top 9%)237(Top 2%)237(Top 5%)
25.2M25.20 mi0.35 mi2257-7120-3120-33460(Top 14%)605(Top 6%)605(Top 13%)
Finish26.22 mi1.02 mi2856-599184-64184-6416612(Top 65%)6812(Top 62%)6812(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2372

Females

82

F18-39

82

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3031

Females

132

F18-39

132

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2372

Females

82

F18-39

82

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2077

Females

68

F18-39

68

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2539

Females

108

F18-39

108

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2238

Females

94

F18-39

94

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2662

Females

164

F18-39

164

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2881

Females

230

F18-39

230

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2676

Females

240

F18-39

240

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2638

Females

231

F18-39

231

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2463

Females

236

F18-39

236

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2127

Females

203

F18-39

203

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2184

Females

237

F18-39

237

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3460

Females

605

F18-39

605

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16612

Females

6812

F18-39

6812

Passing Analysis

Category:
Athletes Passed
2183
Passed By
937
Net Change
+1246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4102
5K → 10K6326+626#4102#3476
10K → 15K4060+406#3476#3070
15K → 20K3491+348#3070#2722
20K → Half246+18#2722#2704
Half → 25K15826+132#2704#2572
25K → 30K17275+97#2572#2475
30K → 20M7254+18#2475#2457
20M → 21M7540+35#2457#2422
21M → 35K4629+17#2422#2405
35K → 23M7332+41#2405#2364
23M → 24M6818+50#2364#2314
24M → 40K8420+64#2314#2250
40K → 25.2M1926-7#2250#2257
25.2M → Finish5604-599#2257#2856
TOTALS2183937+1246
📊

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