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BOSTON MARATHON 2024

Debra Carlson

Bib: 14455•F

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0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 48%
Masters (Masters Women)
#0 / 6263
Top 38%
Division (F55-59)
#0 / 876
Top 20%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #13031
Start → 5K
7:47/mi
24:12 split
10K· 6.21 mi
48:24
Rank: #12804 (+227)
5K → 10K
7:47/mi
24:12 split
15K· 9.32 mi
1:15:12
Rank: #14499 (-1695)
10K → 15K
8:38/mi
26:48 split
20K· 12.43 mi
1:42:34
Rank: #15050 (-551)
15K → 20K
8:49/mi
27:22 split
Half· 13.11 mi
1:48:12
Rank: #15007 (+43)
20K → Half
8:15/mi
5:38 split
25K· 15.53 mi
2:11:10
Rank: #15463 (-456)
Half → 25K
9:28/mi
22:58 split
30K· 18.64 mi
2:42:08
Rank: #15879 (-416)
25K → 30K
9:58/mi
30:58 split
20M
2:55:25
Rank: #15874 (+5)
30K → 20M
9:46/mi
13:17 split
21M
3:05:45
Rank: #15787 (+87)
20M → 21M
10:20/mi
10:20 split
35K· 21.75 mi
3:11:58
Rank: #15565 (+222)
21M → 35K
8:19/mi
6:13 split
23M
3:23:17
Rank: #15311 (+254)
35K → 23M
9:02/mi
11:19 split
24M
3:32:04
Rank: #15108 (+203)
23M → 24M
8:47/mi
8:47 split
40K· 24.85 mi
3:39:41
Rank: #14866 (+242)
24M → 40K
8:54/mi
7:37 split
25.2M
3:43:33
Rank: #14866
40K → 25.2M
11:13/mi
3:52 split
Finish· 26.22 mi
3:52:27
Rank: #14766 (+100)
25.2M → Finish
8:44/mi
8:54 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:12
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:04:15
Pace9:29 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3124:127:4724:12
7:47
-
10K
6.21 mi11:19:4348:247:4724:12
7:47
0:00
15K
9.32 mi11:46:311:15:128:0426:48
8:38
+0:51
20K
12.43 mi12:13:531:42:348:1527:22
8:49
+0:11
Half
13.11 mi12:19:311:48:128:155:38
8:15
-0:34
25K
15.53 mi12:42:292:11:108:2722:58
9:28
+1:13
30K
18.64 mi13:13:272:42:088:4230:58
9:58
+0:30
20M
20.00 mi13:26:442:55:258:4613:17
9:46
-0:12
21M
21.00 mi13:37:043:05:458:5110:20
10:20
+0:34
35K
21.75 mi13:43:173:11:588:506:13
8:19
-2:01
23M
23.00 mi13:54:363:23:178:5011:19
9:02
+0:43
24M
24.00 mi14:03:233:32:048:508:47
8:47
-0:15
40K
24.85 mi14:11:003:39:418:507:37
8:54
+0:07
25.2M
25.20 mi14:14:523:43:338:523:52
11:13
+2:19
Finish
26.22 mi14:23:463:52:278:528:54
8:44
-2:29

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

7:47 /mi

Average Pace

8:52 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:15

26% of race

Time at Steady Pace

1:30:47

39% of race

Time at Slower Pace

1:21:25

35% of race

Average Pace: 8:52 /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 mi10:55:3124:127:4724:12
7:47
#13031
10K
6.21 mi11:19:4348:247:4724:12
7:47
#12804
15K
9.32 mi11:46:311:15:128:0426:48
8:38
#14499
20K
12.43 mi12:13:531:42:348:1527:22
8:49
#15050
Half
13.11 mi12:19:311:48:128:155:38
8:15
#15007
25K
15.53 mi12:42:292:11:108:2722:58
9:28
#15463
30K
18.64 mi13:13:272:42:088:4230:58
9:58
#15879
20M
20.00 mi13:26:442:55:258:4613:17
9:46
#15874
21M
21.00 mi13:37:043:05:458:5110:20
10:20
#15787
35K
21.75 mi13:43:173:11:588:506:13
8:19
#15565
23M
23.00 mi13:54:363:23:178:5011:19
9:02
#15311
24M
24.00 mi14:03:233:32:048:508:47
8:47
#15108
40K
24.85 mi14:11:003:39:418:507:37
8:54
#14866
25.2M
25.20 mi14:14:523:43:338:523:52
11:13
#14866
Finish
26.22 mi14:23:463:52:278:528:54
8:44
#14766
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi130313745374517106(Top 67%)6198(Top 57%)6198(Top 708%)
10K6.21 mi3.10 mi12804+2273625+1203625+12012580(Top 49%)3530(Top 32%)3530(Top 403%)
15K9.32 mi3.11 mi14499-16954634-10094634-100917106(Top 67%)6198(Top 57%)6198(Top 708%)
20K12.43 mi3.11 mi15050-5514974-3404974-34016434(Top 64%)5844(Top 53%)5844(Top 667%)
Half13.11 mi0.68 mi15007+434960+144960+1414417(Top 56%)4716(Top 43%)4716(Top 538%)
25K15.53 mi2.42 mi15463-4565280-3205280-32017453(Top 68%)6513(Top 60%)6513(Top 743%)
30K18.64 mi3.11 mi15879-4165597-3175597-31717251(Top 68%)6652(Top 61%)6652(Top 759%)
20M20.00 mi1.36 mi15874+55636-395636-3915655(Top 61%)6028(Top 55%)6028(Top 688%)
21M21.00 mi1.00 mi15787+875633+35633+314264(Top 56%)5447(Top 50%)5447(Top 622%)
35K21.75 mi0.75 mi15565+2225530+1035530+1039705(Top 38%)3085(Top 28%)3085(Top 352%)
23M23.00 mi1.25 mi15311+2545428+1025428+10211401(Top 45%)4114(Top 38%)4114(Top 470%)
24M24.00 mi1.00 mi15108+2035343+855343+8511062(Top 43%)3957(Top 36%)3957(Top 452%)
40K24.85 mi0.85 mi14866+2425256+875256+8710462(Top 41%)3797(Top 35%)3797(Top 433%)
25.2M25.20 mi0.35 mi148665268-125268-1215202(Top 59%)6128(Top 56%)6128(Top 700%)
Finish26.22 mi1.02 mi14766+1005244+245244+2412854(Top 50%)4897(Top 45%)4897(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17106

Females

6198

F55-59

6198

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12580

Females

3530

F55-59

3530

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17106

Females

6198

F55-59

6198

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16434

Females

5844

F55-59

5844

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14417

Females

4716

F55-59

4716

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17453

Females

6513

F55-59

6513

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17251

Females

6652

F55-59

6652

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

15655

Females

6028

F55-59

6028

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14264

Females

5447

F55-59

5447

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9705

Females

3085

F55-59

3085

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11401

Females

4114

F55-59

4114

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11062

Females

3957

F55-59

3957

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10462

Females

3797

F55-59

3797

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15202

Females

6128

F55-59

6128

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12854

Females

4897

F55-59

4897

Passing Analysis

Category:
Athletes Passed
2220
Passed By
3955
Net Change
-1735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13031
5K → 10K407180+227#13031#12804
10K → 15K231718-1695#12804#14499
15K → 20K97648-551#14499#15050
20K → Half5916+43#15050#15007
Half → 25K107563-456#15007#15463
25K → 30K126542-416#15463#15879
30K → 20M132127+5#15879#15874
20M → 21M15467+87#15874#15787
21M → 35K2242+222#15787#15565
35K → 23M2628+254#15565#15311
23M → 24M2107+203#15311#15108
24M → 40K2431+242#15108#14866
40K → 25.2M41410#14866#14866
25.2M → Finish13535+100#14866#14766
TOTALS22203955-1735
📊

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