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BOSTON MARATHON 2024

Caroline Frith

Bib: 17441•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:00
Rank: #20116
Start → 5K
28:00 | 9:01/mi
10K· 6.21 mi
57:07
Rank: #20618 (-502)
5K → 10K
29:07 | 9:22/mi
15K· 9.32 mi
1:26:29
Rank: #20581 (+37)
10K → 15K
29:22 | 9:27/mi
20K· 12.43 mi
1:55:48
Rank: #20167 (+414)
15K → 20K
29:19 | 9:26/mi
Half· 13.11 mi
2:02:08
Rank: #20138 (+29)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:25:34
Rank: #19760 (+378)
Half → 25K
23:26 | 9:40/mi
30K· 18.64 mi
2:55:04
Rank: #18991 (+769)
25K → 30K
29:30 | 9:30/mi
20M
3:08:11
Rank: #18695 (+296)
30K → 20M
13:07 | 9:39/mi
21M
3:18:08
Rank: #18360 (+335)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:25:21
Rank: #18270 (+90)
21M → 35K
7:13 | 9:39/mi
23M
3:37:15
Rank: #17953 (+317)
35K → 23M
11:54 | 9:30/mi
24M
3:46:50
Rank: #17800 (+153)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:54:58
Rank: #17640 (+160)
24M → 40K
8:08 | 9:31/mi
25.2M
3:58:57
Rank: #17599 (+41)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
4:08:15
Rank: #17470 (+129)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:08
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:06:07
Pace9:37 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5228:009:0128:00
9:01
-
10K
6.21 mi11:47:5957:079:1229:07
9:22
+0:21
15K
9.32 mi12:17:211:26:299:1729:22
9:27
+0:05
20K
12.43 mi12:46:401:55:489:1929:19
9:26
-0:01
Half
13.11 mi12:53:002:02:089:196:20
9:17
-0:09
25K
15.53 mi13:16:262:25:349:2223:26
9:40
+0:23
30K
18.64 mi13:45:562:55:049:2329:30
9:30
-0:10
20M
20.00 mi13:59:033:08:119:2513:07
9:39
+0:09
21M
21.00 mi14:09:003:18:089:269:57
9:57
+0:18
35K
21.75 mi14:16:133:25:219:277:13
9:39
-0:18
23M
23.00 mi14:28:073:37:159:2711:54
9:30
-0:09
24M
24.00 mi14:37:423:46:509:279:35
9:35
+0:05
40K
24.85 mi14:45:503:54:589:278:08
9:31
-0:04
25.2M
25.20 mi14:49:493:58:579:293:59
11:33
+2:02
Finish
26.22 mi14:59:074:08:159:299:18
9:08
-2:25

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

9:01 /mi

Average Pace

9:29 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:18

15% of race

Time at Steady Pace

3:17:01

79% of race

Time at Slower Pace

13:56

6% of race

Average Pace: 9:28 /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 mi11:18:5228:009:0128:00
9:01
#20116
10K
6.21 mi11:47:5957:079:1229:07
9:22
#20618
15K
9.32 mi12:17:211:26:299:1729:22
9:27
#20581
20K
12.43 mi12:46:401:55:489:1929:19
9:26
#20167
Half
13.11 mi12:53:002:02:089:196:20
9:17
#20138
25K
15.53 mi13:16:262:25:349:2223:26
9:40
#19760
30K
18.64 mi13:45:562:55:049:2329:30
9:30
#18991
20M
20.00 mi13:59:033:08:119:2513:07
9:39
#18695
21M
21.00 mi14:09:003:18:089:269:57
9:57
#18360
35K
21.75 mi14:16:133:25:219:277:13
9:39
#18270
23M
23.00 mi14:28:073:37:159:2711:54
9:30
#17953
24M
24.00 mi14:37:423:46:509:279:35
9:35
#17800
40K
24.85 mi14:45:503:54:589:278:08
9:31
#17640
25.2M
25.20 mi14:49:493:58:579:293:59
11:33
#17599
Finish
26.22 mi14:59:074:08:159:299:18
9:08
#17470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201167935793520521(Top 80%)8072(Top 74%)8072(Top 460%)
10K6.21 mi3.10 mi20618-5028178-2438178-24321011(Top 82%)8376(Top 77%)8376(Top 478%)
15K9.32 mi3.11 mi20581+378131+478131+4720521(Top 80%)8072(Top 74%)8072(Top 460%)
20K12.43 mi3.11 mi20167+4147909+2227909+22218990(Top 74%)7262(Top 66%)7262(Top 414%)
Half13.11 mi0.68 mi20138+297896+137896+1319370(Top 76%)7527(Top 69%)7527(Top 429%)
25K15.53 mi2.42 mi19760+3787719+1777719+17718091(Top 71%)6882(Top 63%)6882(Top 393%)
30K18.64 mi3.11 mi18991+7697359+3607359+36015447(Top 60%)5668(Top 52%)5668(Top 323%)
20M20.00 mi1.36 mi18695+2967232+1277232+12715189(Top 59%)5785(Top 53%)5785(Top 330%)
21M21.00 mi1.00 mi18360+3357081+1517081+15112802(Top 50%)4695(Top 43%)4695(Top 268%)
35K21.75 mi0.75 mi18270+907048+337048+3316029(Top 63%)6368(Top 58%)6368(Top 363%)
23M23.00 mi1.25 mi17953+3176908+1406908+14013571(Top 53%)5202(Top 48%)5202(Top 297%)
24M24.00 mi1.00 mi17800+1536852+566852+5614836(Top 58%)5869(Top 54%)5869(Top 335%)
40K24.85 mi0.85 mi17640+1606786+666786+6613195(Top 52%)5152(Top 47%)5152(Top 294%)
25.2M25.20 mi0.35 mi17599+416778+86778+816213(Top 63%)6640(Top 61%)6640(Top 379%)
Finish26.22 mi1.02 mi17470+1296736+426736+4214854(Top 58%)5901(Top 54%)5901(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

20521

Females

8072

F45-49

8072

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21011

Females

8376

F45-49

8376

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

20521

Females

8072

F45-49

8072

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

18990

Females

7262

F45-49

7262

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19370

Females

7527

F45-49

7527

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18091

Females

6882

F45-49

6882

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15447

Females

5668

F45-49

5668

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15189

Females

5785

F45-49

5785

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

12802

Females

4695

F45-49

4695

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16029

Females

6368

F45-49

6368

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

13571

Females

5202

F45-49

5202

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14836

Females

5869

F45-49

5869

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13195

Females

5152

F45-49

5152

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16213

Females

6640

F45-49

6640

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

14854

Females

5901

F45-49

5901

Passing Analysis

Category:
Athletes Passed
3561
Passed By
915
Net Change
+2646
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20116
5K → 10K112614-502#20116#20618
10K → 15K225188+37#20618#20581
15K → 20K44127+414#20581#20167
20K → Half4415+29#20167#20138
Half → 25K40022+378#20138#19760
25K → 30K7745+769#19760#18991
30K → 20M2982+296#18991#18695
20M → 21M3372+335#18695#18360
21M → 35K988+90#18360#18270
35K → 23M3181+317#18270#17953
23M → 24M1618+153#17953#17800
24M → 40K1688+160#17800#17640
40K → 25.2M498+41#17640#17599
25.2M → Finish1367+129#17599#17470
TOTALS3561915+2646
📊

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