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BOSTON MARATHON 2024

Kathryn Griffiths

Bib: 9834•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 27%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:31
Rank: #8791
Start → 5K
22:31 | 7:15/mi
10K· 6.21 mi
44:41
Rank: #8073 (+718)
5K → 10K
22:10 | 7:08/mi
15K· 9.32 mi
1:06:55
Rank: #7738 (+335)
10K → 15K
22:14 | 7:09/mi
20K· 12.43 mi
1:29:29
Rank: #7445 (+293)
15K → 20K
22:34 | 7:16/mi
Half· 13.11 mi
1:34:24
Rank: #7414 (+31)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:52:58
Rank: #7411 (+3)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:17:49
Rank: #7411
25K → 30K
24:51 | 8:00/mi
20M
2:28:58
Rank: #7371 (+40)
30K → 20M
11:09 | 8:12/mi
21M
2:37:46
Rank: #7322 (+49)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:43:43
Rank: #7266 (+56)
21M → 35K
5:57 | 7:57/mi
23M
2:54:05
Rank: #7175 (+91)
35K → 23M
10:22 | 8:17/mi
24M
3:02:14
Rank: #7126 (+49)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
3:09:12
Rank: #7041 (+85)
24M → 40K
6:58 | 8:09/mi
25.2M
3:12:23
Rank: #7025 (+16)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:20:29
Rank: #7022 (+3)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:24
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3422:317:1522:31
7:15
-
10K
6.21 mi11:10:4444:417:1122:10
7:08
-0:07
15K
9.32 mi11:32:581:06:557:1122:14
7:09
+0:01
20K
12.43 mi11:55:321:29:297:1222:34
7:16
+0:07
Half
13.11 mi12:00:271:34:247:124:55
7:12
-0:04
25K
15.53 mi12:19:011:52:587:1618:34
7:39
+0:27
30K
18.64 mi12:43:522:17:497:2424:51
8:00
+0:21
20M
20.00 mi12:55:012:28:587:2711:09
8:12
+0:12
21M
21.00 mi13:03:492:37:467:318:48
8:48
+0:36
35K
21.75 mi13:09:462:43:437:325:57
7:57
-0:51
23M
23.00 mi13:20:082:54:057:3410:22
8:17
+0:20
24M
24.00 mi13:28:173:02:147:368:09
8:09
-0:08
40K
24.85 mi13:35:153:09:127:376:58
8:09
0:00
25.2M
25.20 mi13:38:263:12:237:383:11
9:14
+1:05
Finish
26.22 mi13:46:323:20:297:398:06
7:57
-1:17

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

7:08 /mi

Average Pace

7:39 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:24

47% of race

Time at Steady Pace

1:23:44

42% of race

Time at Slower Pace

22:21

11% of race

Average Pace: 7:39 /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 mi10:48:3422:317:1522:31
7:15
#8791
10K
6.21 mi11:10:4444:417:1122:10
7:08
#8073
15K
9.32 mi11:32:581:06:557:1122:14
7:09
#7738
20K
12.43 mi11:55:321:29:297:1222:34
7:16
#7445
Half
13.11 mi12:00:271:34:247:124:55
7:12
#7414
25K
15.53 mi12:19:011:52:587:1618:34
7:39
#7411
30K
18.64 mi12:43:522:17:497:2424:51
8:00
#7411
20M
20.00 mi12:55:012:28:587:2711:09
8:12
#7371
21M
21.00 mi13:03:492:37:467:318:48
8:48
#7322
35K
21.75 mi13:09:462:43:437:325:57
7:57
#7266
23M
23.00 mi13:20:082:54:057:3410:22
8:17
#7175
24M
24.00 mi13:28:173:02:147:368:09
8:09
#7126
40K
24.85 mi13:35:153:09:127:376:58
8:09
#7041
25.2M
25.20 mi13:38:263:12:237:383:11
9:14
#7025
Finish
26.22 mi13:46:323:20:297:398:06
7:57
#7022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8791148914897192(Top 28%)979(Top 9%)979(Top 21%)
10K6.21 mi3.10 mi8073+7181230+2591230+2597514(Top 29%)1041(Top 10%)1041(Top 22%)
15K9.32 mi3.11 mi7738+3351123+1071123+1077192(Top 28%)979(Top 9%)979(Top 21%)
20K12.43 mi3.11 mi7445+2931046+771046+776775(Top 27%)924(Top 8%)924(Top 20%)
Half13.11 mi0.68 mi7414+311041+51041+57084(Top 28%)1028(Top 9%)1028(Top 22%)
25K15.53 mi2.42 mi7411+31078-371078-378019(Top 31%)1558(Top 14%)1558(Top 33%)
30K18.64 mi3.11 mi74111134-561134-567862(Top 31%)1717(Top 16%)1717(Top 37%)
20M20.00 mi1.36 mi7371+401169-351169-357873(Top 31%)1911(Top 17%)1911(Top 41%)
21M21.00 mi1.00 mi7322+491194-251194-257627(Top 30%)1999(Top 18%)1999(Top 43%)
35K21.75 mi0.75 mi7266+561202-81202-87519(Top 29%)1989(Top 18%)1989(Top 43%)
23M23.00 mi1.25 mi7175+911234-321234-327225(Top 28%)2007(Top 18%)2007(Top 43%)
24M24.00 mi1.00 mi7126+491256-221256-227479(Top 29%)2226(Top 20%)2226(Top 48%)
40K24.85 mi0.85 mi7041+851266-101266-106535(Top 26%)1893(Top 17%)1893(Top 41%)
25.2M25.20 mi0.35 mi7025+161273-71273-77630(Top 30%)2469(Top 23%)2469(Top 53%)
Finish26.22 mi1.02 mi7022+31314-411314-418231(Top 32%)2687(Top 25%)2687(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7192

Females

979

F18-39

979

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7514

Females

1041

F18-39

1041

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7192

Females

979

F18-39

979

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

6775

Females

924

F18-39

924

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7084

Females

1028

F18-39

1028

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8019

Females

1558

F18-39

1558

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

7862

Females

1717

F18-39

1717

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7873

Females

1911

F18-39

1911

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7627

Females

1999

F18-39

1999

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7519

Females

1989

F18-39

1989

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7225

Females

2007

F18-39

2007

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7479

Females

2226

F18-39

2226

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6535

Females

1893

F18-39

1893

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7630

Females

2469

F18-39

2469

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8231

Females

2687

F18-39

2687

Passing Analysis

Category:
Athletes Passed
2803
Passed By
1034
Net Change
+1769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8791
5K → 10K74729+718#8791#8073
10K → 15K36328+335#8073#7738
15K → 20K34148+293#7738#7445
20K → Half4211+31#7445#7414
Half → 25K181178+3#7414#7411
25K → 30K2242240#7411#7411
30K → 20M13191+40#7411#7371
20M → 21M13990+49#7371#7322
21M → 35K9943+56#7322#7266
35K → 23M17483+91#7266#7175
23M → 24M11364+49#7175#7126
24M → 40K12035+85#7126#7041
40K → 25.2M4630+16#7041#7025
25.2M → Finish8380+3#7025#7022
TOTALS28031034+1769
📊

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