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BOSTON MARATHON 2024

Sarah Grotberg

Bib: 16187•F

MN

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Division (F18-39)
#0 / 4660
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:08
Rank: #12862
Start → 5K
7:46/mi
24:08 split
10K· 6.21 mi
48:28
Rank: #12889 (-27)
5K → 10K
7:50/mi
24:20 split
15K· 9.32 mi
1:14:18
Rank: #13866 (-977)
10K → 15K
8:19/mi
25:50 split
20K· 12.43 mi
1:40:16
Rank: #13867 (-1)
15K → 20K
8:21/mi
25:58 split
Half· 13.11 mi
1:45:55
Rank: #13889 (-22)
20K → Half
8:17/mi
5:39 split
25K· 15.53 mi
2:06:04
Rank: #13519 (+370)
Half → 25K
8:19/mi
20:09 split
30K· 18.64 mi
2:33:06
Rank: #13047 (+472)
25K → 30K
8:42/mi
27:02 split
20M
2:45:14
Rank: #12888 (+159)
30K → 20M
8:56/mi
12:08 split
21M
2:54:36
Rank: #12685 (+203)
20M → 21M
9:22/mi
9:22 split
35K· 21.75 mi
3:01:02
Rank: #12601 (+84)
21M → 35K
8:36/mi
6:26 split
23M
3:12:08
Rank: #12436 (+165)
35K → 23M
8:52/mi
11:06 split
24M
3:20:44
Rank: #12267 (+169)
23M → 24M
8:36/mi
8:36 split
40K· 24.85 mi
3:28:08
Rank: #12128 (+139)
24M → 40K
8:39/mi
7:24 split
25.2M
3:31:17
Rank: #12032 (+96)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:39:12
Rank: #11793 (+239)
25.2M → Finish
7:46/mi
7:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2324:087:4624:08
7:46
-
10K
6.21 mi11:38:4348:287:4824:20
7:50
+0:04
15K
9.32 mi12:04:331:14:187:5825:50
8:19
+0:29
20K
12.43 mi12:30:311:40:168:0425:58
8:21
+0:02
Half
13.11 mi12:36:101:45:558:055:39
8:17
-0:04
25K
15.53 mi12:56:192:06:048:0720:09
8:19
+0:02
30K
18.64 mi13:23:212:33:068:1327:02
8:42
+0:23
20M
20.00 mi13:35:292:45:148:1612:08
8:56
+0:14
21M
21.00 mi13:44:512:54:368:199:22
9:22
+0:26
35K
21.75 mi13:51:173:01:028:196:26
8:36
-0:46
23M
23.00 mi14:02:233:12:088:2111:06
8:52
+0:16
24M
24.00 mi14:10:593:20:448:228:36
8:36
-0:16
40K
24.85 mi14:18:233:28:088:227:24
8:39
+0:03
25.2M
25.20 mi14:21:323:31:178:233:09
9:08
+0:29
Finish
26.22 mi14:29:273:39:128:227:55
7:46
-1:22

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

7:46 /mi

Average Pace

8:22 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:59

61% of race

Time at Steady Pace

49:28

23% of race

Time at Slower Pace

35:45

16% of race

Average Pace: 8:22 /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 mi11:14:2324:087:4624:08
7:46
#12862
10K
6.21 mi11:38:4348:287:4824:20
7:50
#12889
15K
9.32 mi12:04:331:14:187:5825:50
8:19
#13866
20K
12.43 mi12:30:311:40:168:0425:58
8:21
#13867
Half
13.11 mi12:36:101:45:558:055:39
8:17
#13889
25K
15.53 mi12:56:192:06:048:0720:09
8:19
#13519
30K
18.64 mi13:23:212:33:068:1327:02
8:42
#13047
20M
20.00 mi13:35:292:45:148:1612:08
8:56
#12888
21M
21.00 mi13:44:512:54:368:199:22
9:22
#12685
35K
21.75 mi13:51:173:01:028:196:26
8:36
#12601
23M
23.00 mi14:02:233:12:088:2111:06
8:52
#12436
24M
24.00 mi14:10:593:20:448:228:36
8:36
#12267
40K
24.85 mi14:18:233:28:088:227:24
8:39
#12128
25.2M
25.20 mi14:21:323:31:178:233:09
9:08
#12032
Finish
26.22 mi14:29:273:39:128:227:55
7:46
#11793
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128623648364815352(Top 60%)5176(Top 47%)5176(Top 111%)
10K6.21 mi3.10 mi12889-273667-193667-1912940(Top 51%)3734(Top 34%)3734(Top 80%)
15K9.32 mi3.11 mi13866-9774266-5994266-59915352(Top 60%)5176(Top 47%)5176(Top 111%)
20K12.43 mi3.11 mi13867-14282-164282-1614027(Top 55%)4442(Top 41%)4442(Top 95%)
Half13.11 mi0.68 mi13889-224295-134295-1314495(Top 57%)4740(Top 43%)4740(Top 102%)
25K15.53 mi2.42 mi13519+3704105+1904105+19012054(Top 47%)3544(Top 32%)3544(Top 76%)
30K18.64 mi3.11 mi13047+4723941+1643941+16411708(Top 46%)3581(Top 33%)3581(Top 77%)
20M20.00 mi1.36 mi12888+1593911+303911+3011759(Top 46%)3887(Top 36%)3887(Top 83%)
21M21.00 mi1.00 mi12685+2033849+623849+6210266(Top 40%)3364(Top 31%)3364(Top 72%)
35K21.75 mi0.75 mi12601+843840+93840+911327(Top 44%)3931(Top 36%)3931(Top 84%)
23M23.00 mi1.25 mi12436+1653814+263814+2610485(Top 41%)3650(Top 33%)3650(Top 78%)
24M24.00 mi1.00 mi12267+1693773+413773+4110063(Top 39%)3475(Top 32%)3475(Top 75%)
40K24.85 mi0.85 mi12128+1393736+373736+379196(Top 36%)3190(Top 29%)3190(Top 68%)
25.2M25.20 mi0.35 mi12032+963705+313705+317271(Top 28%)2338(Top 21%)2338(Top 50%)
Finish26.22 mi1.02 mi11793+2393622+833622+837209(Top 28%)2224(Top 20%)2224(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15352

Females

5176

F18-39

5176

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

12940

Females

3734

F18-39

3734

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15352

Females

5176

F18-39

5176

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14027

Females

4442

F18-39

4442

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

14495

Females

4740

F18-39

4740

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12054

Females

3544

F18-39

3544

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11708

Females

3581

F18-39

3581

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11759

Females

3887

F18-39

3887

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10266

Females

3364

F18-39

3364

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11327

Females

3931

F18-39

3931

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10485

Females

3650

F18-39

3650

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10063

Females

3475

F18-39

3475

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9196

Females

3190

F18-39

3190

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7271

Females

2338

F18-39

2338

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7209

Females

2224

F18-39

2224

Passing Analysis

Category:
Athletes Passed
3045
Passed By
1976
Net Change
+1069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12862
5K → 10K273300-27#12862#12889
10K → 15K511028-977#12889#13866
15K → 20K255256-1#13866#13867
20K → Half3557-22#13867#13889
Half → 25K40838+370#13889#13519
25K → 30K55078+472#13519#13047
30K → 20M21657+159#13047#12888
20M → 21M23936+203#12888#12685
21M → 35K11632+84#12685#12601
35K → 23M20944+165#12601#12436
23M → 24M19425+169#12436#12267
24M → 40K15617+139#12267#12128
40K → 25.2M1004+96#12128#12032
25.2M → Finish2434+239#12032#11793
TOTALS30451976+1069
📊

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