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BOSTON MARATHON 2024

Grace Kim

Bib: 21801•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:14
Rank: #17469
Start → 5K
26:14 | 8:27/mi
10K· 6.21 mi
52:29
Rank: #17203 (+266)
5K → 10K
26:15 | 8:27/mi
15K· 9.32 mi
1:20:52
Rank: #18063 (-860)
10K → 15K
28:23 | 9:08/mi
20K· 12.43 mi
1:52:04
Rank: #19031 (-968)
15K → 20K
31:12 | 10:03/mi
Half· 13.11 mi
1:58:04
Rank: #18943 (+88)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:21:24
Rank: #18749 (+194)
Half → 25K
23:20 | 9:37/mi
30K· 18.64 mi
2:50:59
Rank: #18132 (+617)
25K → 30K
29:35 | 9:31/mi
20M
3:04:01
Rank: #17892 (+240)
30K → 20M
13:02 | 9:35/mi
21M
3:14:23
Rank: #17681 (+211)
20M → 21M
10:22 | 10:22/mi
35K· 21.75 mi
3:21:03
Rank: #17497 (+184)
21M → 35K
6:40 | 8:55/mi
23M
3:33:05
Rank: #17286 (+211)
35K → 23M
12:02 | 9:37/mi
24M
3:42:42
Rank: #17187 (+99)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:51:20
Rank: #17094 (+93)
24M → 40K
8:38 | 10:06/mi
25.2M
3:55:23
Rank: #17079 (+15)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:05:49
Rank: #17108 (-29)
25.2M → Finish
10:26 | 10:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:04
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:07:45
Pace9:45 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3626:148:2726:14
8:27
-
10K
6.21 mi11:49:5152:298:2726:15
8:27
0:00
15K
9.32 mi12:18:141:20:528:4128:23
9:08
+0:41
20K
12.43 mi12:49:261:52:049:0131:12
10:03
+0:55
Half
13.11 mi12:55:261:58:049:006:00
8:48
-1:15
25K
15.53 mi13:18:462:21:249:0623:20
9:37
+0:49
30K
18.64 mi13:48:212:50:599:1029:35
9:31
-0:06
20M
20.00 mi14:01:233:04:019:1213:02
9:35
+0:04
21M
21.00 mi14:11:453:14:239:1510:22
10:22
+0:47
35K
21.75 mi14:18:253:21:039:156:40
8:55
-1:27
23M
23.00 mi14:30:273:33:059:1612:02
9:37
+0:42
24M
24.00 mi14:40:043:42:429:179:37
9:37
0:00
40K
24.85 mi14:48:423:51:209:188:38
10:06
+0:29
25.2M
25.20 mi14:52:453:55:239:204:03
11:45
+1:39
Finish
26.22 mi15:03:114:05:499:2310:26
10:14
-1:31

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

8:27 /mi

Average Pace

9:23 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:32

38% of race

Time at Steady Pace

1:27:36

36% of race

Time at Slower Pace

1:04:41

26% of race

Average Pace: 9:23 /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 mi11:23:3626:148:2726:14
8:27
#17469
10K
6.21 mi11:49:5152:298:2726:15
8:27
#17203
15K
9.32 mi12:18:141:20:528:4128:23
9:08
#18063
20K
12.43 mi12:49:261:52:049:0131:12
10:03
#19031
Half
13.11 mi12:55:261:58:049:006:00
8:48
#18943
25K
15.53 mi13:18:462:21:249:0623:20
9:37
#18749
30K
18.64 mi13:48:212:50:599:1029:35
9:31
#18132
20M
20.00 mi14:01:233:04:019:1213:02
9:35
#17892
21M
21.00 mi14:11:453:14:239:1510:22
10:22
#17681
35K
21.75 mi14:18:253:21:039:156:40
8:55
#17497
23M
23.00 mi14:30:273:33:059:1612:02
9:37
#17286
24M
24.00 mi14:40:043:42:429:179:37
9:37
#17187
40K
24.85 mi14:48:423:51:209:188:38
10:06
#17094
25.2M
25.20 mi14:52:453:55:239:204:03
11:45
#17079
Finish
26.22 mi15:03:114:05:499:2310:26
10:14
#17108
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi174696449644919464(Top 76%)7501(Top 69%)7501(Top 856%)
10K6.21 mi3.10 mi17203+2666273+1766273+17616979(Top 66%)6113(Top 56%)6113(Top 698%)
15K9.32 mi3.11 mi18063-8606775-5026775-50219464(Top 76%)7501(Top 69%)7501(Top 856%)
20K12.43 mi3.11 mi19031-9687308-5337308-53320673(Top 81%)8173(Top 75%)8173(Top 933%)
Half13.11 mi0.68 mi18943+887265+437265+4317351(Top 68%)6429(Top 59%)6429(Top 734%)
25K15.53 mi2.42 mi18749+1947172+937172+9317953(Top 70%)6801(Top 62%)6801(Top 776%)
30K18.64 mi3.11 mi18132+6176906+2666906+26615548(Top 61%)5717(Top 52%)5717(Top 653%)
20M20.00 mi1.36 mi17892+2406801+1056801+10514922(Top 58%)5633(Top 52%)5633(Top 643%)
21M21.00 mi1.00 mi17681+2116714+876714+8714397(Top 56%)5516(Top 50%)5516(Top 630%)
35K21.75 mi0.75 mi17497+1846625+896625+8912933(Top 51%)4790(Top 44%)4790(Top 547%)
23M23.00 mi1.25 mi17286+2116527+986527+9813991(Top 55%)5418(Top 50%)5418(Top 618%)
24M24.00 mi1.00 mi17187+996497+306497+3014965(Top 59%)5934(Top 54%)5934(Top 677%)
40K24.85 mi0.85 mi17094+936482+156482+1515372(Top 60%)6199(Top 57%)6199(Top 708%)
25.2M25.20 mi0.35 mi17079+156489-76489-716721(Top 65%)6891(Top 63%)6891(Top 787%)
Finish26.22 mi1.02 mi17108-296540-516540-5119210(Top 75%)8077(Top 74%)8077(Top 922%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

19464

Females

7501

F55-59

7501

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

16979

Females

6113

F55-59

6113

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

19464

Females

7501

F55-59

7501

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

20673

Females

8173

F55-59

8173

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17351

Females

6429

F55-59

6429

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

17953

Females

6801

F55-59

6801

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15548

Females

5717

F55-59

5717

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

14922

Females

5633

F55-59

5633

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14397

Females

5516

F55-59

5516

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

12933

Females

4790

F55-59

4790

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

13991

Females

5418

F55-59

5418

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

14965

Females

5934

F55-59

5934

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15372

Females

6199

F55-59

6199

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16721

Females

6891

F55-59

6891

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19210

Females

8077

F55-59

8077

Passing Analysis

Category:
Athletes Passed
2834
Passed By
2473
Net Change
+361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17469
5K → 10K431165+266#17469#17203
10K → 15K66926-860#17203#18063
15K → 20K641032-968#18063#19031
20K → Half924+88#19031#18943
Half → 25K28793+194#18943#18749
25K → 30K63821+617#18749#18132
30K → 20M2488+240#18132#17892
20M → 21M22413+211#17892#17681
21M → 35K1851+184#17681#17497
35K → 23M23120+211#17497#17286
23M → 24M12829+99#17286#17187
24M → 40K12734+93#17187#17094
40K → 25.2M4530+15#17094#17079
25.2M → Finish6897-29#17079#17108
TOTALS28342473+361
📊

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