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BOSTON MARATHON 2024

Claire Boersma

Bib: 12078•F

SD

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #12110
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:56
Rank: #12227 (-117)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:12:09
Rank: #12067 (+160)
10K → 15K
24:13 | 7:48/mi
20K· 12.43 mi
1:39:38
Rank: #13563 (-1496)
15K → 20K
27:29 | 8:51/mi
Half· 13.11 mi
1:45:21
Rank: #13640 (-77)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:07:54
Rank: #14257 (-617)
Half → 25K
22:33 | 9:18/mi
30K· 18.64 mi
2:37:06
Rank: #14386 (-129)
25K → 30K
29:12 | 9:24/mi
20M
2:51:33
Rank: #14841 (-455)
30K → 20M
14:27 | 10:38/mi
21M
3:02:42
Rank: #15028 (-187)
20M → 21M
11:09 | 11:09/mi
35K· 21.75 mi
3:09:47
Rank: #15035 (-7)
21M → 35K
7:05 | 9:28/mi
23M
3:23:18
Rank: #15317 (-282)
35K → 23M
13:31 | 10:48/mi
24M
3:33:36
Rank: #15448 (-131)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
3:42:57
Rank: #15581 (-133)
24M → 40K
9:21 | 10:56/mi
25.2M
3:47:24
Rank: #15664 (-83)
40K → 25.2M
4:27 | 12:54/mi
Finish· 26.22 mi
3:58:22
Rank: #15916 (-252)
25.2M → Finish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:21
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:13:01
Pace10:09 /mi
📊Positive Split: 26.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5823:507:4023:50
7:40
-
10K
6.21 mi11:19:0447:567:4324:06
7:45
+0:05
15K
9.32 mi11:43:171:12:097:4424:13
7:48
+0:03
20K
12.43 mi12:10:461:39:388:0127:29
8:51
+1:03
Half
13.11 mi12:16:291:45:218:025:43
8:23
-0:28
25K
15.53 mi12:39:022:07:548:1422:33
9:18
+0:55
30K
18.64 mi13:08:142:37:068:2629:12
9:24
+0:06
20M
20.00 mi13:22:412:51:338:3514:27
10:38
+1:14
21M
21.00 mi13:33:503:02:428:4211:09
11:09
+0:31
35K
21.75 mi13:40:553:09:478:447:05
9:28
-1:41
23M
23.00 mi13:54:263:23:188:5013:31
10:48
+1:20
24M
24.00 mi14:04:443:33:368:5410:18
10:18
-0:30
40K
24.85 mi14:14:053:42:578:589:21
10:56
+0:38
25.2M
25.20 mi14:18:323:47:249:014:27
12:54
+1:58
Finish
26.22 mi14:29:303:58:229:0610:58
10:46
-2:08

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

7:40 /mi

Average Pace

9:06 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:52

33% of race

Time at Steady Pace

1:26:19

36% of race

Time at Slower Pace

1:14:11

31% of race

Average Pace: 9:05 /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 mi10:54:5823:507:4023:50
7:40
#12110
10K
6.21 mi11:19:0447:567:4324:06
7:45
#12227
15K
9.32 mi11:43:171:12:097:4424:13
7:48
#12067
20K
12.43 mi12:10:461:39:388:0127:29
8:51
#13563
Half
13.11 mi12:16:291:45:218:025:43
8:23
#13640
25K
15.53 mi12:39:022:07:548:1422:33
9:18
#14257
30K
18.64 mi13:08:142:37:068:2629:12
9:24
#14386
20M
20.00 mi13:22:412:51:338:3514:27
10:38
#14841
21M
21.00 mi13:33:503:02:428:4211:09
11:09
#15028
35K
21.75 mi13:40:553:09:478:447:05
9:28
#15035
23M
23.00 mi13:54:263:23:188:5013:31
10:48
#15317
24M
24.00 mi14:04:443:33:368:5410:18
10:18
#15448
40K
24.85 mi14:14:053:42:578:589:21
10:56
#15581
25.2M
25.20 mi14:18:323:47:249:014:27
12:54
#15664
Finish
26.22 mi14:29:303:58:229:0610:58
10:46
#15916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121103195319511899(Top 47%)3192(Top 29%)3192(Top 68%)
10K6.21 mi3.10 mi12227-1173296-1013296-10112322(Top 48%)3366(Top 31%)3366(Top 72%)
15K9.32 mi3.11 mi12067+1603242+543242+5411899(Top 47%)3192(Top 29%)3192(Top 68%)
20K12.43 mi3.11 mi13563-14964093-8514093-85116646(Top 65%)5979(Top 55%)5979(Top 128%)
Half13.11 mi0.68 mi13640-774149-564149-5615099(Top 59%)5113(Top 47%)5113(Top 110%)
25K15.53 mi2.42 mi14257-6174548-3994548-39916811(Top 66%)6157(Top 56%)6157(Top 132%)
30K18.64 mi3.11 mi14386-1294712-1644712-16415050(Top 59%)5441(Top 50%)5441(Top 117%)
20M20.00 mi1.36 mi14841-4555022-3105022-31018377(Top 72%)7393(Top 68%)7393(Top 159%)
21M21.00 mi1.00 mi15028-1875193-1715193-17116728(Top 65%)6711(Top 61%)6711(Top 144%)
35K21.75 mi0.75 mi15035-75217-245217-2415399(Top 60%)6036(Top 55%)6036(Top 130%)
23M23.00 mi1.25 mi15317-2825434-2175434-21717831(Top 70%)7323(Top 67%)7323(Top 157%)
24M24.00 mi1.00 mi15448-1315544-1105544-11017284(Top 68%)7095(Top 65%)7095(Top 152%)
40K24.85 mi0.85 mi15581-1335644-1005644-10017916(Top 70%)7461(Top 68%)7461(Top 160%)
25.2M25.20 mi0.35 mi15664-835706-625706-6219473(Top 76%)8248(Top 76%)8248(Top 177%)
Finish26.22 mi1.02 mi15916-2525858-1525858-15220720(Top 81%)8830(Top 81%)8830(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

11899

Females

3192

F18-39

3192

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12322

Females

3366

F18-39

3366

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

11899

Females

3192

F18-39

3192

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

16646

Females

5979

F18-39

5979

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15099

Females

5113

F18-39

5113

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

16811

Females

6157

F18-39

6157

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15050

Females

5441

F18-39

5441

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

18377

Females

7393

F18-39

7393

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

16728

Females

6711

F18-39

6711

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15399

Females

6036

F18-39

6036

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

17831

Females

7323

F18-39

7323

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

17284

Females

7095

F18-39

7095

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17916

Females

7461

F18-39

7461

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

19473

Females

8248

F18-39

8248

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

20720

Females

8830

F18-39

8830

Passing Analysis

Category:
Athletes Passed
1317
Passed By
5123
Net Change
-3806
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12110
5K → 10K231348-117#12110#12227
10K → 15K304144+160#12227#12067
15K → 20K411537-1496#12067#13563
20K → Half23100-77#13563#13640
Half → 25K74691-617#13640#14257
25K → 30K246375-129#14257#14386
30K → 20M37492-455#14386#14841
20M → 21M82269-187#14841#15028
21M → 35K6370-7#15028#15035
35K → 23M68350-282#15035#15317
23M → 24M55186-131#15317#15448
24M → 40K38171-133#15448#15581
40K → 25.2M25108-83#15581#15664
25.2M → Finish30282-252#15664#15916
TOTALS13175123-3806
📊

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