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BOSTON MARATHON 2024

Samantha Buechner

Bib: 17125•F

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:50/mi
24:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:03
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:39:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:04:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:32:03
↑ 181↓ 1480.2%
20M
9:57/mi
2:45:34
↑ 64↓ 500.2%
21M
10:18/mi
2:55:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:02:21
↑ 17↓ 861.7%
23M
10:03/mi
3:14:56
↑ 23↓ 630.6%
24M
8:59/mi
3:23:55
↓ 821.3%
40K· 24.85 mi
10:04/mi
3:32:31
↓ 200.3%
25.2M
11:04/mi
3:36:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:44:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:37
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5324:207:5024:20
7:50
-
10K
6.21 mi11:39:4949:167:5624:56
8:02
+0:12
15K
9.32 mi12:04:361:14:037:5724:47
7:59
-0:03
20K
12.43 mi12:29:461:39:137:5925:10
8:06
+0:07
Half
13.11 mi12:35:101:44:377:595:24
7:55
-0:11
25K
15.53 mi12:55:082:04:358:0119:58
8:14
+0:19
30K
18.64 mi13:22:362:32:038:0927:28
8:50
+0:36
20M
20.00 mi13:36:072:45:348:1713:31
9:57
+1:07
21M
21.00 mi13:46:252:55:528:2210:18
10:18
+0:21
35K
21.75 mi13:52:543:02:218:236:29
8:40
-1:38
23M
23.00 mi14:05:293:14:568:2912:35
10:03
+1:23
24M
24.00 mi14:14:283:23:558:308:59
8:59
-1:04
40K
24.85 mi14:23:043:32:318:338:36
10:04
+1:05
25.2M
25.20 mi14:26:533:36:208:353:49
11:04
+1:00
Finish
26.22 mi14:35:063:44:338:348:13
8:04
-3:00

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

7:50 /mi

Average Pace

8:34 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:50

50% of race

Time at Steady Pace

1:02:54

28% of race

Time at Slower Pace

48:49

22% of race

Average Pace: 8:34 /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 mi11:14:5324:207:5024:20
7:50
#13367
10K
6.21 mi11:39:4949:167:5624:56
8:02
#13886
15K
9.32 mi12:04:361:14:037:5724:47
7:59
#13656
20K
12.43 mi12:29:461:39:137:5925:10
8:06
#13304
Half
13.11 mi12:35:101:44:377:595:24
7:55
#13216
25K
15.53 mi12:55:082:04:358:0119:58
8:14
#12863
30K
18.64 mi13:22:362:32:038:0927:28
8:50
#12704
20M
20.00 mi13:36:072:45:348:1713:31
9:57
#12983
21M
21.00 mi13:46:252:55:528:2210:18
10:18
#13051
35K
21.75 mi13:52:543:02:218:236:29
8:40
#12964
23M
23.00 mi14:05:293:14:568:2912:35
10:03
#13193
24M
24.00 mi14:14:283:23:558:308:59
8:59
#13118
40K
24.85 mi14:23:043:32:318:338:36
10:04
#13211
25.2M
25.20 mi14:26:533:36:208:353:49
11:04
#13245
Finish
26.22 mi14:35:063:44:338:348:13
8:04
#13048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133673927392713309(Top 52%)3980(Top 36%)3980(Top 85%)
10K6.21 mi3.10 mi13886-5194273-3464273-34614388(Top 56%)4564(Top 42%)4564(Top 98%)
15K9.32 mi3.11 mi13656+2304152+1214152+12113309(Top 52%)3980(Top 36%)3980(Top 85%)
20K12.43 mi3.11 mi13304+3523959+1933959+19312536(Top 49%)3602(Top 33%)3602(Top 77%)
Half13.11 mi0.68 mi13216+883918+413918+4112214(Top 48%)3452(Top 32%)3452(Top 74%)
25K15.53 mi2.42 mi12863+3533742+1763742+17611595(Top 45%)3289(Top 30%)3289(Top 71%)
30K18.64 mi3.11 mi12704+1593737+53737+512409(Top 49%)3950(Top 36%)3950(Top 85%)
20M20.00 mi1.36 mi12983-2793970-2333970-23316279(Top 64%)6351(Top 58%)6351(Top 136%)
21M21.00 mi1.00 mi13051-684066-964066-9614130(Top 55%)5376(Top 49%)5376(Top 115%)
35K21.75 mi0.75 mi12964+874051+154051+1511664(Top 46%)4111(Top 38%)4111(Top 88%)
23M23.00 mi1.25 mi13193-2294241-1904241-19015650(Top 61%)6232(Top 57%)6232(Top 134%)
24M24.00 mi1.00 mi13118+754245-44245-412103(Top 47%)4462(Top 41%)4462(Top 96%)
40K24.85 mi0.85 mi13211-934332-874332-8715228(Top 60%)6113(Top 56%)6113(Top 131%)
25.2M25.20 mi0.35 mi13245-344371-394371-3914735(Top 58%)5900(Top 54%)5900(Top 127%)
Finish26.22 mi1.02 mi13048+1974306+654306+658966(Top 35%)3054(Top 28%)3054(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13309

Females

3980

F18-39

3980

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14388

Females

4564

F18-39

4564

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13309

Females

3980

F18-39

3980

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12536

Females

3602

F18-39

3602

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12214

Females

3452

F18-39

3452

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11595

Females

3289

F18-39

3289

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12409

Females

3950

F18-39

3950

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16279

Females

6351

F18-39

6351

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14130

Females

5376

F18-39

5376

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

11664

Females

4111

F18-39

4111

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

15650

Females

6232

F18-39

6232

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12103

Females

4462

F18-39

4462

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15228

Females

6113

F18-39

6113

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14735

Females

5900

F18-39

5900

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

8966

Females

3054

F18-39

3054

Passing Analysis

Category:
Athletes Passed
2611
Passed By
2292
Net Change
+319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13367
5K → 10K147666-519#13367#13886
10K → 15K330100+230#13886#13656
15K → 20K43987+352#13656#13304
20K → Half10416+88#13304#13216
Half → 25K43077+353#13216#12863
25K → 30K360201+159#12863#12704
30K → 20M69348-279#12704#12983
20M → 21M110178-68#12983#13051
21M → 35K11730+87#13051#12964
35K → 23M77306-229#12964#13193
23M → 24M13055+75#13193#13118
24M → 40K59152-93#13118#13211
40K → 25.2M3266-34#13211#13245
25.2M → Finish20710+197#13245#13048
TOTALS26112292+319
📊

Passing Visuals

Category:
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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