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BOSTON MARATHON 2024

Isabel Kilian

Bib: 27033•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 26%
Division (F18-39)
#0 / 4660
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:56
Rank: #16922
Start → 5K
25:56 | 8:21/mi
10K· 6.21 mi
50:50
Rank: #15640 (+1282)
5K → 10K
24:54 | 8:01/mi
15K· 9.32 mi
1:16:05
Rank: #15121 (+519)
10K → 15K
25:15 | 8:08/mi
20K· 12.43 mi
1:43:27
Rank: #15419 (-298)
15K → 20K
27:22 | 8:49/mi
Half· 13.11 mi
1:49:36
Rank: #15574 (-155)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:11:26
Rank: #15563 (+11)
Half → 25K
21:50 | 9:00/mi
30K· 18.64 mi
2:35:42
Rank: #13921 (+1642)
25K → 30K
24:16 | 7:49/mi
20M
2:46:03
Rank: #13152 (+769)
30K → 20M
10:21 | 7:37/mi
21M
2:54:10
Rank: #12565 (+587)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:59:29
Rank: #12171 (+394)
21M → 35K
5:19 | 7:06/mi
23M
3:08:51
Rank: #11533 (+638)
35K → 23M
9:22 | 7:29/mi
24M
3:16:18
Rank: #11092 (+441)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
3:22:53
Rank: #10771 (+321)
24M → 40K
6:35 | 7:42/mi
25.2M
3:25:51
Rank: #10635 (+136)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:33:27
Rank: #10388 (+247)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:49:36
Pace8:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:51
Pace7:55 /mi
📊Negative Split: 5.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2025:568:2125:56
8:21
-
10K
6.21 mi12:10:1450:508:1124:54
8:01
-0:20
15K
9.32 mi12:35:291:16:058:1025:15
8:08
+0:07
20K
12.43 mi13:02:511:43:278:1927:22
8:49
+0:41
Half
13.11 mi13:09:001:49:368:226:09
9:01
+0:12
25K
15.53 mi13:30:502:11:268:2821:50
9:00
-0:01
30K
18.64 mi13:55:062:35:428:2124:16
7:49
-1:11
20M
20.00 mi14:05:272:46:038:1810:21
7:37
-0:12
21M
21.00 mi14:13:342:54:108:188:07
8:07
+0:30
35K
21.75 mi14:18:532:59:298:155:19
7:06
-1:01
23M
23.00 mi14:28:153:08:518:139:22
7:29
+0:23
24M
24.00 mi14:35:423:16:188:117:27
7:27
-0:02
40K
24.85 mi14:42:173:22:538:106:35
7:42
+0:15
25.2M
25.20 mi14:45:153:25:518:102:58
8:36
+0:54
Finish
26.22 mi14:52:513:33:278:097:36
7:27
-1:09

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

7:06 /mi

Average Pace

8:09 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:40

22% of race

Time at Steady Pace

1:22:32

39% of race

Time at Slower Pace

1:24:15

39% of race

Average Pace: 8:08 /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 mi11:45:2025:568:2125:56
8:21
#16922
10K
6.21 mi12:10:1450:508:1124:54
8:01
#15640
15K
9.32 mi12:35:291:16:058:1025:15
8:08
#15121
20K
12.43 mi13:02:511:43:278:1927:22
8:49
#15419
Half
13.11 mi13:09:001:49:368:226:09
9:01
#15574
25K
15.53 mi13:30:502:11:268:2821:50
9:00
#15563
30K
18.64 mi13:55:062:35:428:2124:16
7:49
#13921
20M
20.00 mi14:05:272:46:038:1810:21
7:37
#13152
21M
21.00 mi14:13:342:54:108:188:07
8:07
#12565
35K
21.75 mi14:18:532:59:298:155:19
7:06
#12171
23M
23.00 mi14:28:153:08:518:139:22
7:29
#11533
24M
24.00 mi14:35:423:16:188:117:27
7:27
#11092
40K
24.85 mi14:42:173:22:538:106:35
7:42
#10771
25.2M
25.20 mi14:45:153:25:518:102:58
8:36
#10635
Finish
26.22 mi14:52:513:33:278:097:36
7:27
#10388
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169226112611214261(Top 56%)4523(Top 41%)4523(Top 97%)
10K6.21 mi3.10 mi15640+12825320+7925320+79214320(Top 56%)4519(Top 41%)4519(Top 97%)
15K9.32 mi3.11 mi15121+5195020+3005020+30014261(Top 56%)4523(Top 41%)4523(Top 97%)
20K12.43 mi3.11 mi15419-2985214-1945214-19416425(Top 64%)5835(Top 53%)5835(Top 125%)
Half13.11 mi0.68 mi15574-1555315-1015315-10118335(Top 72%)6952(Top 64%)6952(Top 149%)
25K15.53 mi2.42 mi15563+115340-255340-2515533(Top 61%)5466(Top 50%)5466(Top 117%)
30K18.64 mi3.11 mi13921+16424434+9064434+9066793(Top 27%)1277(Top 12%)1277(Top 27%)
20M20.00 mi1.36 mi13152+7694071+3634071+3634837(Top 19%)693(Top 6%)693(Top 15%)
21M21.00 mi1.00 mi12565+5873780+2913780+2914640(Top 18%)763(Top 7%)763(Top 16%)
35K21.75 mi0.75 mi12171+3943604+1763604+1763476(Top 14%)396(Top 4%)396(Top 8%)
23M23.00 mi1.25 mi11533+6383314+2903314+2903566(Top 14%)474(Top 4%)474(Top 10%)
24M24.00 mi1.00 mi11092+4413132+1823132+1823979(Top 16%)680(Top 6%)680(Top 15%)
40K24.85 mi0.85 mi10771+3213012+1203012+1204374(Top 17%)947(Top 9%)947(Top 20%)
25.2M25.20 mi0.35 mi10635+1362968+442968+444947(Top 19%)1250(Top 11%)1250(Top 27%)
Finish26.22 mi1.02 mi10388+2472871+972871+975437(Top 21%)1392(Top 13%)1392(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14261

Females

4523

F18-39

4523

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14320

Females

4519

F18-39

4519

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14261

Females

4523

F18-39

4523

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16425

Females

5835

F18-39

5835

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

18335

Females

6952

F18-39

6952

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

15533

Females

5466

F18-39

5466

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

6793

Females

1277

F18-39

1277

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4837

Females

693

F18-39

693

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4640

Females

763

F18-39

763

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3476

Females

396

F18-39

396

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3566

Females

474

F18-39

474

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

3979

Females

680

F18-39

680

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4374

Females

947

F18-39

947

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4947

Females

1250

F18-39

1250

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5437

Females

1392

F18-39

1392

Passing Analysis

Category:
Athletes Passed
7425
Passed By
891
Net Change
+6534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16922
5K → 10K130018+1282#16922#15640
10K → 15K55233+519#15640#15121
15K → 20K153451-298#15121#15419
20K → Half7162-155#15419#15574
Half → 25K232221+11#15574#15563
25K → 30K16420+1642#15563#13921
30K → 20M7690+769#13921#13152
20M → 21M5870+587#13152#12565
21M → 35K3940+394#12565#12171
35K → 23M6380+638#12171#11533
23M → 24M4410+441#11533#11092
24M → 40K3210+321#11092#10771
40K → 25.2M1360+136#10771#10635
25.2M → Finish2536+247#10635#10388
TOTALS7425891+6534
📊

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