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BOSTON MARATHON 2024

Kaitlin Halloran

Bib: 17368•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 45%
Masters (Masters Women)
#0 / 6263
Top 34%
Division (F40-44)
#0 / 1613
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
7:57/mi
24:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:14:47
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:41:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:47:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:08:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:37:14
↑ 181↓ 1480.2%
20M
9:49/mi
2:50:34
↑ 64↓ 500.2%
21M
10:48/mi
3:01:22
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:08:06
↑ 17↓ 861.7%
23M
9:20/mi
3:19:47
↑ 23↓ 630.6%
24M
9:16/mi
3:29:03
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:37:08
↓ 200.3%
25.2M
10:41/mi
3:40:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:49:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:06
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time2:02:22
Pace9:20 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5224:427:5724:42
7:57
-
10K
6.21 mi11:40:4149:317:5824:49
7:59
+0:02
15K
9.32 mi12:05:571:14:478:0125:16
8:08
+0:09
20K
12.43 mi12:32:291:41:198:0926:32
8:32
+0:24
Half
13.11 mi12:38:161:47:068:105:47
8:29
-0:03
25K
15.53 mi12:59:412:08:318:1621:25
8:50
+0:21
30K
18.64 mi13:28:242:37:148:2628:43
9:15
+0:25
20M
20.00 mi13:41:442:50:348:3213:20
9:49
+0:34
21M
21.00 mi13:52:323:01:228:3810:48
10:48
+0:59
35K
21.75 mi13:59:163:08:068:396:44
9:00
-1:48
23M
23.00 mi14:10:573:19:478:4111:41
9:20
+0:20
24M
24.00 mi14:20:133:29:038:439:16
9:16
-0:04
40K
24.85 mi14:28:183:37:088:448:05
9:27
+0:11
25.2M
25.20 mi14:31:593:40:498:463:41
10:41
+1:14
Finish
26.22 mi14:40:383:49:288:458:39
8:29
-2:12

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

7:57 /mi

Average Pace

8:45 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:45

50% of race

Time at Steady Pace

1:17:49

34% of race

Time at Slower Pace

35:54

16% of race

Average Pace: 8:45 /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 mi11:15:5224:427:5724:42
7:57
#14278
10K
6.21 mi11:40:4149:317:5824:49
7:59
#14190
15K
9.32 mi12:05:571:14:478:0125:16
8:08
#14220
20K
12.43 mi12:32:291:41:198:0926:32
8:32
#14411
Half
13.11 mi12:38:161:47:068:105:47
8:29
#14475
25K
15.53 mi12:59:412:08:318:1621:25
8:50
#14482
30K
18.64 mi13:28:242:37:148:2628:43
9:15
#14438
20M
20.00 mi13:41:442:50:348:3213:20
9:49
#14553
21M
21.00 mi13:52:323:01:228:3810:48
10:48
#14670
35K
21.75 mi13:59:163:08:068:396:44
9:00
#14604
23M
23.00 mi14:10:573:19:478:4111:41
9:20
#14469
24M
24.00 mi14:20:133:29:038:439:16
9:16
#14393
40K
24.85 mi14:28:183:37:088:448:05
9:27
#14320
25.2M
25.20 mi14:31:593:40:498:463:41
10:41
#14299
Finish
26.22 mi14:40:383:49:288:458:39
8:29
#14154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi142784493449314313(Top 56%)4555(Top 42%)4555(Top 282%)
10K6.21 mi3.10 mi14190+884451+424451+4214116(Top 55%)4412(Top 40%)4412(Top 274%)
15K9.32 mi3.11 mi14220-304466-154466-1514313(Top 56%)4555(Top 42%)4555(Top 282%)
20K12.43 mi3.11 mi14411-1914606-1404606-14015027(Top 59%)5028(Top 46%)5028(Top 312%)
Half13.11 mi0.68 mi14475-644656-504656-5015589(Top 61%)5389(Top 49%)5389(Top 334%)
25K15.53 mi2.42 mi14482-74691-354691-3514731(Top 58%)5026(Top 46%)5026(Top 312%)
30K18.64 mi3.11 mi14438+444740-494740-4914383(Top 56%)5085(Top 47%)5085(Top 315%)
20M20.00 mi1.36 mi14553-1154856-1164856-11615803(Top 62%)6101(Top 56%)6101(Top 378%)
21M21.00 mi1.00 mi14670-1174977-1214977-12115768(Top 62%)6202(Top 57%)6202(Top 385%)
35K21.75 mi0.75 mi14604+664967+104967+1013329(Top 52%)4974(Top 46%)4974(Top 308%)
23M23.00 mi1.25 mi14469+1354966+14966+112752(Top 50%)4784(Top 44%)4784(Top 297%)
24M24.00 mi1.00 mi14393+764961+54961+513410(Top 52%)5128(Top 47%)5128(Top 318%)
40K24.85 mi0.85 mi14320+734951+104951+1012945(Top 51%)5015(Top 46%)5015(Top 311%)
25.2M25.20 mi0.35 mi14299+214955-44955-413462(Top 53%)5294(Top 48%)5294(Top 328%)
Finish26.22 mi1.02 mi14154+1454896+594896+5911484(Top 45%)4225(Top 39%)4225(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14313

Females

4555

F40-44

4555

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14116

Females

4412

F40-44

4412

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14313

Females

4555

F40-44

4555

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15027

Females

5028

F40-44

5028

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15589

Females

5389

F40-44

5389

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14731

Females

5026

F40-44

5026

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14383

Females

5085

F40-44

5085

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15803

Females

6101

F40-44

6101

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15768

Females

6202

F40-44

6202

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13329

Females

4974

F40-44

4974

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

12752

Females

4784

F40-44

4784

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13410

Females

5128

F40-44

5128

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

12945

Females

5015

F40-44

5015

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13462

Females

5294

F40-44

5294

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11484

Females

4225

F40-44

4225

Passing Analysis

Category:
Athletes Passed
2221
Passed By
2097
Net Change
+124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14278
5K → 10K329241+88#14278#14190
10K → 15K223253-30#14190#14220
15K → 20K183374-191#14220#14411
20K → Half2993-64#14411#14475
Half → 25K219226-7#14475#14482
25K → 30K287243+44#14482#14438
30K → 20M102217-115#14438#14553
20M → 21M86203-117#14553#14670
21M → 35K10943+66#14670#14604
35K → 23M20570+135#14604#14469
23M → 24M13357+76#14469#14393
24M → 40K10633+73#14393#14320
40K → 25.2M4827+21#14320#14299
25.2M → Finish16217+145#14299#14154
TOTALS22212097+124
📊

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