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BOSTON MARATHON 2024

Katie Kellner

Bib: 131•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 1%
Gender (Female)
#0 / 10924
Top 0.2%
Division (F18-39)
#0 / 4660
Top 0.4%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:37
Rank: #910
Start → 5K
18:37 | 6:00/mi
10K· 6.21 mi
37:16
Rank: #877 (+33)
5K → 10K
18:39 | 6:00/mi
15K· 9.32 mi
56:05
Rank: #874 (+3)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:14:48
Rank: #805 (+69)
15K → 20K
18:43 | 6:01/mi
Half· 13.11 mi
1:18:53
Rank: #806 (-1)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:33:26
Rank: #722 (+84)
Half → 25K
14:33 | 6:00/mi
30K· 18.64 mi
1:52:22
Rank: #590 (+132)
25K → 30K
18:56 | 6:06/mi
20M
2:00:35
Rank: #539 (+51)
30K → 20M
8:13 | 6:03/mi
21M
2:07:00
Rank: #493 (+46)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:11:19
Rank: #469 (+24)
21M → 35K
4:19 | 5:46/mi
23M
2:18:54
Rank: #430 (+39)
35K → 23M
7:35 | 6:03/mi
24M
2:24:46
Rank: #394 (+36)
23M → 24M
5:52 | 5:52/mi
40K· 24.85 mi
2:29:56
Rank: #366 (+28)
24M → 40K
5:10 | 6:03/mi
25.2M
2:32:15
Rank: #359 (+7)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:38:19
Rank: #345 (+14)
25.2M → Finish
6:04 | 5:57/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:18:53
Pace6:01 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:26
Pace6:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:05:3818:376:0018:37
6:00
-
10K
6.21 mi10:24:1737:166:0018:39
6:00
0:00
15K
9.32 mi10:43:0656:056:0118:49
6:03
+0:03
20K
12.43 mi11:01:491:14:486:0118:43
6:01
-0:02
Half
13.11 mi11:05:541:18:536:014:05
5:59
-0:02
25K
15.53 mi11:20:271:33:266:0114:33
6:00
+0:01
30K
18.64 mi11:39:231:52:226:0218:56
6:06
+0:06
20M
20.00 mi11:47:362:00:356:028:13
6:03
-0:03
21M
21.00 mi11:54:012:07:006:036:25
6:25
+0:22
35K
21.75 mi11:58:202:11:196:024:19
5:46
-0:39
23M
23.00 mi12:05:552:18:546:027:35
6:03
+0:17
24M
24.00 mi12:11:472:24:466:025:52
5:52
-0:11
40K
24.85 mi12:16:572:29:566:025:10
6:03
+0:11
25.2M
25.20 mi12:19:162:32:156:032:19
6:43
+0:40
Finish
26.22 mi12:25:202:38:196:036:04
5:57
-0:46

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

5:46 /mi

Average Pace

6:03 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:35

94% of race

Time at Steady Pace

8:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /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 mi10:05:3818:376:0018:37
6:00
#910
10K
6.21 mi10:24:1737:166:0018:39
6:00
#877
15K
9.32 mi10:43:0656:056:0118:49
6:03
#874
20K
12.43 mi11:01:491:14:486:0118:43
6:01
#805
Half
13.11 mi11:05:541:18:536:014:05
5:59
#806
25K
15.53 mi11:20:271:33:266:0114:33
6:00
#722
30K
18.64 mi11:39:231:52:226:0218:56
6:06
#590
20M
20.00 mi11:47:362:00:356:028:13
6:03
#539
21M
21.00 mi11:54:012:07:006:036:25
6:25
#493
35K
21.75 mi11:58:202:11:196:024:19
5:46
#469
23M
23.00 mi12:05:552:18:546:027:35
6:03
#430
24M
24.00 mi12:11:472:24:466:025:52
5:52
#394
40K
24.85 mi12:16:572:29:566:025:10
6:03
#366
25.2M
25.20 mi12:19:162:32:156:032:19
6:43
#359
Finish
26.22 mi12:25:202:38:196:036:04
5:57
#345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9102828922(Top 4%)26(Top 0.2%)26(Top 0.6%)
10K6.21 mi3.10 mi877+3327+127+1875(Top 3%)27(Top 0.2%)27(Top 0.6%)
15K9.32 mi3.11 mi874+326+126+1922(Top 4%)26(Top 0.2%)26(Top 0.6%)
20K12.43 mi3.11 mi805+692626650(Top 3%)23(Top 0.2%)23(Top 0.5%)
Half13.11 mi0.68 mi806-128-228-2774(Top 3%)25(Top 0.2%)25(Top 0.5%)
25K15.53 mi2.42 mi722+8423+523+5469(Top 2%)22(Top 0.2%)22(Top 0.5%)
30K18.64 mi3.11 mi590+13222+122+1333(Top 1%)22(Top 0.2%)22(Top 0.5%)
20M20.00 mi1.36 mi539+512222241(Top 0.9%)20(Top 0.2%)20(Top 0.4%)
21M21.00 mi1.00 mi493+462222275(Top 1%)19(Top 0.2%)19(Top 0.4%)
35K21.75 mi0.75 mi469+242222189(Top 0.7%)19(Top 0.2%)19(Top 0.4%)
23M23.00 mi1.25 mi430+392222221(Top 0.9%)19(Top 0.2%)19(Top 0.4%)
24M24.00 mi1.00 mi394+362222193(Top 0.8%)18(Top 0.2%)18(Top 0.4%)
40K24.85 mi0.85 mi366+282222230(Top 0.9%)22(Top 0.2%)22(Top 0.5%)
25.2M25.20 mi0.35 mi359+72222301(Top 1%)23(Top 0.2%)23(Top 0.5%)
Finish26.22 mi1.02 mi345+142222388(Top 2%)25(Top 0.2%)25(Top 0.5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

922

Females

26

F18-39

26

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

875

Females

27

F18-39

27

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

922

Females

26

F18-39

26

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

650

Females

23

F18-39

23

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

774

Females

25

F18-39

25

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

469

Females

22

F18-39

22

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

333

Females

22

F18-39

22

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

241

Females

20

F18-39

20

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

275

Females

19

F18-39

19

21M→35K

21.0 - 21.8 mi

Top 0.7%
×7stories
+17ft-86ft

Overall

189

Females

19

F18-39

19

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

221

Females

19

F18-39

19

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6stories
+12ft-82ft

Overall

193

Females

18

F18-39

18

24M→40K

24.0 - 24.9 mi

Top 0.9%
×1story
+6ft-20ft

Overall

230

Females

22

F18-39

22

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

301

Females

23

F18-39

23

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

388

Females

25

F18-39

25

Passing Analysis

Category:
Athletes Passed
651
Passed By
86
Net Change
+565
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#910
5K → 10K6532+33#910#877
10K → 15K3229+3#877#874
15K → 20K745+69#874#805
20K → Half45-1#805#806
Half → 25K873+84#806#722
25K → 30K1331+132#722#590
30K → 20M510+51#590#539
20M → 21M471+46#539#493
21M → 35K251+24#493#469
35K → 23M390+39#469#430
23M → 24M371+36#430#394
24M → 40K280+28#394#366
40K → 25.2M81+7#366#359
25.2M → Finish217+14#359#345
TOTALS65186+565
📊

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