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BOSTON MARATHON 2024

Samantha Kallman

Bib: 14289•F

CO

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Division (F18-39)
#0 / 4660
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:54
Rank: #12266
Start → 5K
23:54 | 7:42/mi
10K· 6.21 mi
47:52
Rank: #12129 (+137)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:11:53
Rank: #11831 (+298)
10K → 15K
24:01 | 7:44/mi
20K· 12.43 mi
1:35:53
Rank: #11279 (+552)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:41:04
Rank: #11189 (+90)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:46
Rank: #10606 (+583)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:24:26
Rank: #9895 (+711)
25K → 30K
24:40 | 7:56/mi
20M
2:35:14
Rank: #9511 (+384)
30K → 20M
10:48 | 7:57/mi
21M
2:43:52
Rank: #9259 (+252)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:50:22
Rank: #9316 (-57)
21M → 35K
6:30 | 8:41/mi
23M
3:01:31
Rank: #9341 (-25)
35K → 23M
11:09 | 8:54/mi
24M
3:10:03
Rank: #9337 (+4)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:17:19
Rank: #9281 (+56)
24M → 40K
7:16 | 8:30/mi
25.2M
3:21:02
Rank: #9391 (-110)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
3:28:43
Rank: #9204 (+187)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:04
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:47:39
Pace8:13 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5623:547:4223:54
7:42
-
10K
6.21 mi11:19:5447:527:4223:58
7:43
+0:01
15K
9.32 mi11:43:551:11:537:4324:01
7:44
+0:01
20K
12.43 mi12:07:551:35:537:4324:00
7:43
-0:01
Half
13.11 mi12:13:061:41:047:435:11
7:36
-0:07
25K
15.53 mi12:31:481:59:467:4318:42
7:43
+0:07
30K
18.64 mi12:56:282:24:267:4524:40
7:56
+0:13
20M
20.00 mi13:07:162:35:147:4610:48
7:57
+0:01
21M
21.00 mi13:15:542:43:527:488:38
8:38
+0:41
35K
21.75 mi13:22:242:50:227:506:30
8:41
+0:03
23M
23.00 mi13:33:333:01:317:5411:09
8:54
+0:13
24M
24.00 mi13:42:053:10:037:558:32
8:32
-0:22
40K
24.85 mi13:49:213:17:197:567:16
8:30
-0:02
25.2M
25.20 mi13:53:043:21:027:593:43
10:47
+2:17
Finish
26.22 mi14:00:453:28:437:587:41
7:32
-3:15

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

7:32 /mi

Average Pace

7:58 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:42:55

78% of race

Time at Slower Pace

45:48

22% of race

Average Pace: 7:58 /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 mi10:55:5623:547:4223:54
7:42
#12266
10K
6.21 mi11:19:5447:527:4223:58
7:43
#12129
15K
9.32 mi11:43:551:11:537:4324:01
7:44
#11831
20K
12.43 mi12:07:551:35:537:4324:00
7:43
#11279
Half
13.11 mi12:13:061:41:047:435:11
7:36
#11189
25K
15.53 mi12:31:481:59:467:4318:42
7:43
#10606
30K
18.64 mi12:56:282:24:267:4524:40
7:56
#9895
20M
20.00 mi13:07:162:35:147:4610:48
7:57
#9511
21M
21.00 mi13:15:542:43:527:488:38
8:38
#9259
35K
21.75 mi13:22:242:50:227:506:30
8:41
#9316
23M
23.00 mi13:33:333:01:317:5411:09
8:54
#9341
24M
24.00 mi13:42:053:10:037:558:32
8:32
#9337
40K
24.85 mi13:49:213:17:197:567:16
8:30
#9281
25.2M
25.20 mi13:53:043:21:027:593:43
10:47
#9391
Finish
26.22 mi14:00:453:28:437:587:41
7:32
#9204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122663285328511424(Top 45%)2910(Top 27%)2910(Top 62%)
10K6.21 mi3.10 mi12129+1373235+503235+5011979(Top 47%)3181(Top 29%)3181(Top 68%)
15K9.32 mi3.11 mi11831+2983107+1283107+12811424(Top 45%)2910(Top 27%)2910(Top 62%)
20K12.43 mi3.11 mi11279+5522826+2812826+2819926(Top 39%)2289(Top 21%)2289(Top 49%)
Half13.11 mi0.68 mi11189+902777+492777+499883(Top 39%)2240(Top 21%)2240(Top 48%)
25K15.53 mi2.42 mi10606+5832526+2512526+2518395(Top 33%)1729(Top 16%)1729(Top 37%)
30K18.64 mi3.11 mi9895+7112266+2602266+2607544(Top 30%)1581(Top 14%)1581(Top 34%)
20M20.00 mi1.36 mi9511+3842128+1382128+1386494(Top 25%)1337(Top 12%)1337(Top 29%)
21M21.00 mi1.00 mi9259+2522064+642064+646865(Top 27%)1656(Top 15%)1656(Top 36%)
35K21.75 mi0.75 mi9316-572132-682132-6811745(Top 46%)4138(Top 38%)4138(Top 89%)
23M23.00 mi1.25 mi9341-252207-752207-7510681(Top 42%)3737(Top 34%)3737(Top 80%)
24M24.00 mi1.00 mi9337+42247-402247-409670(Top 38%)3262(Top 30%)3262(Top 70%)
40K24.85 mi0.85 mi9281+562261-142261-148359(Top 33%)2741(Top 25%)2741(Top 59%)
25.2M25.20 mi0.35 mi9391-1102335-742335-7413763(Top 54%)5424(Top 50%)5424(Top 116%)
Finish26.22 mi1.02 mi9204+1872288+472288+475890(Top 23%)1604(Top 15%)1604(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11424

Females

2910

F18-39

2910

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

11979

Females

3181

F18-39

3181

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11424

Females

2910

F18-39

2910

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

9926

Females

2289

F18-39

2289

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

9883

Females

2240

F18-39

2240

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8395

Females

1729

F18-39

1729

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7544

Females

1581

F18-39

1581

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6494

Females

1337

F18-39

1337

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

6865

Females

1656

F18-39

1656

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

11745

Females

4138

F18-39

4138

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

10681

Females

3737

F18-39

3737

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9670

Females

3262

F18-39

3262

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8359

Females

2741

F18-39

2741

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13763

Females

5424

F18-39

5424

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

5890

Females

1604

F18-39

1604

Passing Analysis

Category:
Athletes Passed
4020*
Passed By
958
Net Change
+3062
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12266
5K → 10K357220+137#12266#12129
10K → 15K38991+298#12129#11831
15K → 20K57018+552#11831#11279
20K → Half988+90#11279#11189
Half → 25K5918+583#11189#10606
25K → 30K726*15+711#10606#9895
30K → 20M3928+384#9895#9511
20M → 21M27725+252#9511#9259
21M → 35K56113-57#9259#9316
35K → 23M143168-25#9316#9341
23M → 24M9389+4#9341#9337
24M → 40K11357+56#9337#9281
40K → 25.2M19129-110#9281#9391
25.2M → Finish1969+187#9391#9204
TOTALS4020*958+3062

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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