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BOSTON MARATHON 2024

Song Kim

Bib: 7386•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Division (F18-39)
#0 / 4660
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #10674
Start → 5K
23:16 | 7:29/mi
10K· 6.21 mi
46:38
Rank: #10549 (+125)
5K → 10K
23:22 | 7:31/mi
15K· 9.32 mi
1:11:50
Rank: #11800 (-1251)
10K → 15K
25:12 | 8:07/mi
20K· 12.43 mi
1:35:22
Rank: #10984 (+816)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:40:21
Rank: #10782 (+202)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:59:35
Rank: #10526 (+256)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:25:16
Rank: #10201 (+325)
25K → 30K
25:41 | 8:16/mi
20M
2:36:31
Rank: #9968 (+233)
30K → 20M
11:15 | 8:17/mi
21M
2:45:24
Rank: #9780 (+188)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:51:12
Rank: #9588 (+192)
21M → 35K
5:48 | 7:45/mi
23M
3:03:04
Rank: #9842 (-254)
35K → 23M
11:52 | 9:29/mi
24M
3:11:21
Rank: #9728 (+114)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:18:00
Rank: #9483 (+245)
24M → 40K
6:39 | 7:47/mi
25.2M
3:23:00
Rank: #9908 (-425)
40K → 25.2M
5:00 | 14:30/mi
Finish· 26.22 mi
3:30:30
Rank: #9691 (+217)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:50:09
Pace8:24 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:3323:167:2923:16
7:29
-
10K
6.21 mi10:53:5546:387:3023:22
7:31
+0:02
15K
9.32 mi11:19:071:11:507:4225:12
8:07
+0:36
20K
12.43 mi11:42:391:35:227:4023:32
7:34
-0:33
Half
13.11 mi11:47:381:40:217:394:59
7:18
-0:16
25K
15.53 mi12:06:521:59:357:4219:14
7:56
+0:38
30K
18.64 mi12:32:332:25:167:4825:41
8:16
+0:20
20M
20.00 mi12:43:482:36:317:5011:15
8:17
+0:01
21M
21.00 mi12:52:412:45:247:538:53
8:53
+0:36
35K
21.75 mi12:58:292:51:127:525:48
7:45
-1:08
23M
23.00 mi13:10:213:03:047:5811:52
9:29
+1:44
24M
24.00 mi13:18:383:11:217:588:17
8:17
-1:12
40K
24.85 mi13:25:173:18:007:586:39
7:47
-0:30
25.2M
25.20 mi13:30:173:23:008:035:00
14:30
+6:43
Finish
26.22 mi13:37:473:30:308:027:30
7:22
-7:08

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

7:18 /mi

Average Pace

8:02 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:04:45

88% of race

Time at Slower Pace

25:45

12% of race

Average Pace: 8:02 /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 mi10:30:3323:167:2923:16
7:29
#10674
10K
6.21 mi10:53:5546:387:3023:22
7:31
#10549
15K
9.32 mi11:19:071:11:507:4225:12
8:07
#11800
20K
12.43 mi11:42:391:35:227:4023:32
7:34
#10984
Half
13.11 mi11:47:381:40:217:394:59
7:18
#10782
25K
15.53 mi12:06:521:59:357:4219:14
7:56
#10526
30K
18.64 mi12:32:332:25:167:4825:41
8:16
#10201
20M
20.00 mi12:43:482:36:317:5011:15
8:17
#9968
21M
21.00 mi12:52:412:45:247:538:53
8:53
#9780
35K
21.75 mi12:58:292:51:127:525:48
7:45
#9588
23M
23.00 mi13:10:213:03:047:5811:52
9:29
#9842
24M
24.00 mi13:18:383:11:217:588:17
8:17
#9728
40K
24.85 mi13:25:173:18:007:586:39
7:47
#9483
25.2M
25.20 mi13:30:173:23:008:035:00
14:30
#9908
Finish
26.22 mi13:37:473:30:308:027:30
7:22
#9691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106742391239114165(Top 55%)4464(Top 41%)4464(Top 96%)
10K6.21 mi3.10 mi10549+1252356+352356+3510461(Top 41%)2335(Top 21%)2335(Top 50%)
15K9.32 mi3.11 mi11800-12513091-7353091-73514165(Top 55%)4464(Top 41%)4464(Top 96%)
20K12.43 mi3.11 mi10984+8162654+4372654+4378933(Top 35%)1781(Top 16%)1781(Top 38%)
Half13.11 mi0.68 mi10782+2022557+972557+977780(Top 30%)1291(Top 12%)1291(Top 28%)
25K15.53 mi2.42 mi10526+2562480+772480+779773(Top 38%)2374(Top 22%)2374(Top 51%)
30K18.64 mi3.11 mi10201+3252425+552425+559390(Top 37%)2403(Top 22%)2403(Top 52%)
20M20.00 mi1.36 mi9968+2332358+672358+678299(Top 32%)2131(Top 20%)2131(Top 46%)
21M21.00 mi1.00 mi9780+1882314+442314+448029(Top 31%)2193(Top 20%)2193(Top 47%)
35K21.75 mi0.75 mi9588+1922263+512263+516401(Top 25%)1487(Top 14%)1487(Top 32%)
23M23.00 mi1.25 mi9842-2542454-1912454-19113421(Top 53%)5111(Top 47%)5111(Top 110%)
24M24.00 mi1.00 mi9728+1142439+152439+158235(Top 32%)2599(Top 24%)2599(Top 56%)
40K24.85 mi0.85 mi9483+2452364+752364+754708(Top 18%)1083(Top 10%)1083(Top 23%)
25.2M25.20 mi0.35 mi9908-4252584-2202584-22022365(Top 88%)9628(Top 88%)9628(Top 207%)
Finish26.22 mi1.02 mi9691+2172510+742510+744874(Top 19%)1147(Top 10%)1147(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14165

Females

4464

F18-39

4464

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10461

Females

2335

F18-39

2335

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14165

Females

4464

F18-39

4464

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

8933

Females

1781

F18-39

1781

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7780

Females

1291

F18-39

1291

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9773

Females

2374

F18-39

2374

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9390

Females

2403

F18-39

2403

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8299

Females

2131

F18-39

2131

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8029

Females

2193

F18-39

2193

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6401

Females

1487

F18-39

1487

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

13421

Females

5111

F18-39

5111

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8235

Females

2599

F18-39

2599

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4708

Females

1083

F18-39

1083

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

22365

Females

9628

F18-39

9628

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4874

Females

1147

F18-39

1147

Passing Analysis

Category:
Athletes Passed
3592*
Passed By
2607
Net Change
+983
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10674
5K → 10K351226+125#10674#10549
10K → 15K311282-1251#10549#11800
15K → 20K8193+816#11800#10984
20K → Half2020+202#10984#10782
Half → 25K35397+256#10782#10526
25K → 30K441116+325#10526#10201
30K → 20M26330+233#10201#9968
20M → 21M22940+188#9968#9780
21M → 35K1953+192#9780#9588
35K → 23M85338-254#9588#9842
23M → 24M155*41+114#9842#9728
24M → 40K2450+245#9728#9483
40K → 25.2M3428-425#9483#9908
25.2M → Finish220*3+217#9908#9691
TOTALS3592*2607+983

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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