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BOSTON MARATHON 2024

Caroline Pietrzyk

Bib: 4279•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 6%
Gender (Female)
#0 / 10924
Top 0.6%
Division (F18-39)
#0 / 4660
Top 1%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #3547
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
40:14
Rank: #3003 (+544)
5K → 10K
19:56 | 6:25/mi
15K· 9.32 mi
1:00:27
Rank: #2865 (+138)
10K → 15K
20:13 | 6:30/mi
20K· 12.43 mi
1:20:49
Rank: #2707 (+158)
15K → 20K
20:22 | 6:33/mi
Half· 13.11 mi
1:25:13
Rank: #2683 (+24)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:04
Rank: #2483 (+200)
Half → 25K
15:51 | 6:32/mi
30K· 18.64 mi
2:01:43
Rank: #2178 (+305)
25K → 30K
20:39 | 6:39/mi
20M
2:10:44
Rank: #2033 (+145)
30K → 20M
9:01 | 6:38/mi
21M
2:17:42
Rank: #1930 (+103)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:22:28
Rank: #1845 (+85)
21M → 35K
4:46 | 6:22/mi
23M
2:30:59
Rank: #1755 (+90)
35K → 23M
8:31 | 6:48/mi
24M
2:37:37
Rank: #1688 (+67)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:43:21
Rank: #1626 (+62)
24M → 40K
5:44 | 6:42/mi
25.2M
2:45:53
Rank: #1602 (+24)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:53:14
Rank: #1635 (-33)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:13
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3320:186:3220:18
6:32
-
10K
6.21 mi10:43:2940:146:2819:56
6:25
-0:07
15K
9.32 mi11:03:421:00:276:2920:13
6:30
+0:05
20K
12.43 mi11:24:041:20:496:3020:22
6:33
+0:03
Half
13.11 mi11:28:281:25:136:304:24
6:27
-0:06
25K
15.53 mi11:44:191:41:046:3015:51
6:32
+0:05
30K
18.64 mi12:04:582:01:436:3220:39
6:39
+0:07
20M
20.00 mi12:13:592:10:446:329:01
6:38
-0:01
21M
21.00 mi12:20:572:17:426:336:58
6:58
+0:20
35K
21.75 mi12:25:432:22:286:334:46
6:22
-0:36
23M
23.00 mi12:34:142:30:596:348:31
6:48
+0:26
24M
24.00 mi12:40:522:37:376:346:38
6:38
-0:10
40K
24.85 mi12:46:362:43:216:345:44
6:42
+0:04
25.2M
25.20 mi12:49:082:45:536:352:32
7:21
+0:39
Finish
26.22 mi12:56:292:53:146:377:21
7:13
-0:08

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

6:22 /mi

Average Pace

6:37 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:21

94% of race

Time at Steady Pace

9:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:23:3320:186:3220:18
6:32
#3547
10K
6.21 mi10:43:2940:146:2819:56
6:25
#3003
15K
9.32 mi11:03:421:00:276:2920:13
6:30
#2865
20K
12.43 mi11:24:041:20:496:3020:22
6:33
#2707
Half
13.11 mi11:28:281:25:136:304:24
6:27
#2683
25K
15.53 mi11:44:191:41:046:3015:51
6:32
#2483
30K
18.64 mi12:04:582:01:436:3220:39
6:39
#2178
20M
20.00 mi12:13:592:10:446:329:01
6:38
#2033
21M
21.00 mi12:20:572:17:426:336:58
6:58
#1930
35K
21.75 mi12:25:432:22:286:334:46
6:22
#1845
23M
23.00 mi12:34:142:30:596:348:31
6:48
#1755
24M
24.00 mi12:40:522:37:376:346:38
6:38
#1688
40K
24.85 mi12:46:362:43:216:345:44
6:42
#1626
25.2M
25.20 mi12:49:082:45:536:352:32
7:21
#1602
Finish
26.22 mi12:56:292:53:146:377:21
7:13
#1635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi35471661662766(Top 11%)113(Top 1%)113(Top 2%)
10K6.21 mi3.10 mi3003+544126+40126+402515(Top 10%)91(Top 0.8%)91(Top 2%)
15K9.32 mi3.11 mi2865+138116+10116+102766(Top 11%)113(Top 1%)113(Top 2%)
20K12.43 mi3.11 mi2707+158109+7109+72448(Top 10%)98(Top 0.9%)98(Top 2%)
Half13.11 mi0.68 mi2683+24108+1108+12404(Top 9%)93(Top 0.9%)93(Top 2%)
25K15.53 mi2.42 mi2483+200100+8100+81925(Top 8%)73(Top 0.7%)73(Top 2%)
30K18.64 mi3.11 mi2178+30583+1783+171476(Top 6%)61(Top 0.6%)61(Top 1%)
20M20.00 mi1.36 mi2033+14571+1271+121187(Top 5%)59(Top 0.5%)59(Top 1%)
21M21.00 mi1.00 mi1930+10366+566+51021(Top 4%)52(Top 0.5%)52(Top 1%)
35K21.75 mi0.75 mi1845+8565+165+1984(Top 4%)53(Top 0.5%)53(Top 1%)
23M23.00 mi1.25 mi1755+9067-267-21320(Top 5%)73(Top 0.7%)73(Top 2%)
24M24.00 mi1.00 mi1688+6767671249(Top 5%)81(Top 0.7%)81(Top 2%)
40K24.85 mi0.85 mi1626+6267671112(Top 4%)77(Top 0.7%)77(Top 2%)
25.2M25.20 mi0.35 mi1602+2467671157(Top 5%)90(Top 0.8%)90(Top 2%)
Finish26.22 mi1.02 mi1635-3369-269-24089(Top 16%)814(Top 7%)814(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2766

Females

113

F18-39

113

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2515

Females

91

F18-39

91

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2766

Females

113

F18-39

113

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2448

Females

98

F18-39

98

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2404

Females

93

F18-39

93

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

1925

Females

73

F18-39

73

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1476

Females

61

F18-39

61

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1187

Females

59

F18-39

59

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1021

Females

52

F18-39

52

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

984

Females

53

F18-39

53

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1320

Females

73

F18-39

73

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1249

Females

81

F18-39

81

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1112

Females

77

F18-39

77

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1157

Females

90

F18-39

90

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4089

Females

814

F18-39

814

Passing Analysis

Category:
Athletes Passed
2125
Passed By
213
Net Change
+1912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3547
5K → 10K5506+544#3547#3003
10K → 15K18042+138#3003#2865
15K → 20K19537+158#2865#2707
20K → Half295+24#2707#2683
Half → 25K2099+200#2683#2483
25K → 30K31611+305#2483#2178
30K → 20M1527+145#2178#2033
20M → 21M1063+103#2033#1930
21M → 35K872+85#1930#1845
35K → 23M10414+90#1845#1755
23M → 24M769+67#1755#1688
24M → 40K664+62#1688#1626
40K → 25.2M240+24#1626#1602
25.2M → Finish3164-33#1602#1635
TOTALS2125213+1912
📊

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