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BOSTON MARATHON 2024

Kalyn Head

Bib: 12573•F

BC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 17%
Gender (Female)
#0 / 10924
Top 4%
Division (F18-39)
#0 / 4660
Top 8%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:16
Rank: #6026
Start → 5K
21:16 | 6:51/mi
10K· 6.21 mi
42:29
Rank: #5707 (+319)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:04:16
Rank: #5911 (-204)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:26:13
Rank: #5777 (+134)
15K → 20K
21:57 | 7:04/mi
Half· 13.11 mi
1:30:58
Rank: #5761 (+16)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:13
Rank: #5524 (+237)
Half → 25K
17:15 | 7:07/mi
30K· 18.64 mi
2:11:04
Rank: #5186 (+338)
25K → 30K
22:51 | 7:21/mi
20M
2:21:27
Rank: #5095 (+91)
30K → 20M
10:23 | 7:38/mi
21M
2:29:36
Rank: #4985 (+110)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:34:59
Rank: #4890 (+95)
21M → 35K
5:23 | 7:12/mi
23M
2:44:19
Rank: #4689 (+201)
35K → 23M
9:20 | 7:27/mi
24M
2:51:33
Rank: #4530 (+159)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:57:54
Rank: #4383 (+147)
24M → 40K
6:21 | 7:26/mi
25.2M
3:00:42
Rank: #4324 (+59)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:07:53
Rank: #4220 (+104)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4321:166:5121:16
6:51
-
10K
6.21 mi11:11:5642:296:5021:13
6:50
-0:01
15K
9.32 mi11:33:431:04:166:5421:47
7:01
+0:11
20K
12.43 mi11:55:401:26:136:5621:57
7:04
+0:03
Half
13.11 mi12:00:251:30:586:564:45
6:58
-0:06
25K
15.53 mi12:17:401:48:136:5817:15
7:07
+0:09
30K
18.64 mi12:40:312:11:047:0222:51
7:21
+0:14
20M
20.00 mi12:50:542:21:277:0410:23
7:38
+0:17
21M
21.00 mi12:59:032:29:367:078:09
8:09
+0:31
35K
21.75 mi13:04:262:34:597:085:23
7:12
-0:57
23M
23.00 mi13:13:462:44:197:099:20
7:27
+0:15
24M
24.00 mi13:21:002:51:337:097:14
7:14
-0:13
40K
24.85 mi13:27:212:57:547:096:21
7:26
+0:12
25.2M
25.20 mi13:30:093:00:427:102:48
8:07
+0:41
Finish
26.22 mi13:37:203:07:537:107:11
7:03
-1:04

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

6:50 /mi

Average Pace

7:10 /mi

Slowest Pace

8:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:33

89% of race

Time at Steady Pace

10:23

6% of race

Time at Slower Pace

10:57

6% of race

Average Pace: 7:10 /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 mi10:50:4321:166:5121:16
6:51
#6026
10K
6.21 mi11:11:5642:296:5021:13
6:50
#5707
15K
9.32 mi11:33:431:04:166:5421:47
7:01
#5911
20K
12.43 mi11:55:401:26:136:5621:57
7:04
#5777
Half
13.11 mi12:00:251:30:586:564:45
6:58
#5761
25K
15.53 mi12:17:401:48:136:5817:15
7:07
#5524
30K
18.64 mi12:40:312:11:047:0222:51
7:21
#5186
20M
20.00 mi12:50:542:21:277:0410:23
7:38
#5095
21M
21.00 mi12:59:032:29:367:078:09
8:09
#4985
35K
21.75 mi13:04:262:34:597:085:23
7:12
#4890
23M
23.00 mi13:13:462:44:197:099:20
7:27
#4689
24M
24.00 mi13:21:002:51:337:097:14
7:14
#4530
40K
24.85 mi13:27:212:57:547:096:21
7:26
#4383
25.2M
25.20 mi13:30:093:00:427:102:48
8:07
#4324
Finish
26.22 mi13:37:203:07:537:107:11
7:03
#4220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60265475476294(Top 25%)682(Top 6%)682(Top 15%)
10K6.21 mi3.10 mi5707+319487+60487+605455(Top 21%)439(Top 4%)439(Top 9%)
15K9.32 mi3.11 mi5911-204545-58545-586294(Top 25%)682(Top 6%)682(Top 15%)
20K12.43 mi3.11 mi5777+134538+7538+75609(Top 22%)565(Top 5%)565(Top 12%)
Half13.11 mi0.68 mi5761+165385385572(Top 22%)544(Top 5%)544(Top 12%)
25K15.53 mi2.42 mi5524+237496+42496+424906(Top 19%)486(Top 4%)486(Top 10%)
30K18.64 mi3.11 mi5186+338473+23473+234436(Top 17%)482(Top 4%)482(Top 10%)
20M20.00 mi1.36 mi5095+91472+1472+14939(Top 19%)714(Top 7%)714(Top 15%)
21M21.00 mi1.00 mi4985+110476-4476-44726(Top 18%)784(Top 7%)784(Top 17%)
35K21.75 mi0.75 mi4890+95469+7469+73788(Top 15%)469(Top 4%)469(Top 10%)
23M23.00 mi1.25 mi4689+201450+19450+193464(Top 14%)440(Top 4%)440(Top 9%)
24M24.00 mi1.00 mi4530+159440+10440+103129(Top 12%)406(Top 4%)406(Top 9%)
40K24.85 mi0.85 mi4383+147436+4436+43254(Top 13%)511(Top 5%)511(Top 11%)
25.2M25.20 mi0.35 mi4324+59432+4432+43156(Top 12%)512(Top 5%)512(Top 11%)
Finish26.22 mi1.02 mi4220+1044324323371(Top 13%)580(Top 5%)580(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6294

Females

682

F18-39

682

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5455

Females

439

F18-39

439

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6294

Females

682

F18-39

682

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5609

Females

565

F18-39

565

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5572

Females

544

F18-39

544

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4906

Females

486

F18-39

486

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4436

Females

482

F18-39

482

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4939

Females

714

F18-39

714

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4726

Females

784

F18-39

784

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3788

Females

469

F18-39

469

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3464

Females

440

F18-39

440

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3129

Females

406

F18-39

406

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3254

Females

511

F18-39

511

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3156

Females

512

F18-39

512

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3371

Females

580

F18-39

580

Passing Analysis

Category:
Athletes Passed
2496
Passed By
690
Net Change
+1806
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6026
5K → 10K37758+319#6026#5707
10K → 15K81285-204#5707#5911
15K → 20K243109+134#5911#5777
20K → Half3014+16#5777#5761
Half → 25K27235+237#5761#5524
25K → 30K39052+338#5524#5186
30K → 20M14453+91#5186#5095
20M → 21M15141+110#5095#4985
21M → 35K1049+95#4985#4890
35K → 23M2076+201#4890#4689
23M → 24M1656+159#4689#4530
24M → 40K15811+147#4530#4383
40K → 25.2M645+59#4383#4324
25.2M → Finish1106+104#4324#4220
TOTALS2496690+1806
📊

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