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BOSTON MARATHON 2024

Sara Loftin

Bib: 17558•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 41%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:27
Rank: #15984
Start → 5K
25:27 | 8:11/mi
10K· 6.21 mi
52:11
Rank: #16909 (-925)
5K → 10K
26:44 | 8:36/mi
15K· 9.32 mi
1:18:56
Rank: #16902 (+7)
10K → 15K
26:45 | 8:37/mi
20K· 12.43 mi
1:46:08
Rank: #16659 (+243)
15K → 20K
27:12 | 8:45/mi
Half· 13.11 mi
1:52:09
Rank: #16695 (-36)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:13:32
Rank: #16270 (+425)
Half → 25K
21:23 | 8:49/mi
30K· 18.64 mi
2:42:33
Rank: #16010 (+260)
25K → 30K
29:01 | 9:20/mi
20M
2:55:13
Rank: #15827 (+183)
30K → 20M
12:40 | 9:19/mi
21M
3:04:57
Rank: #15583 (+244)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:12:04
Rank: #15590 (-7)
21M → 35K
7:07 | 9:31/mi
23M
3:23:56
Rank: #15444 (+146)
35K → 23M
11:52 | 9:29/mi
24M
3:33:30
Rank: #15429 (+15)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:41:31
Rank: #15295 (+134)
24M → 40K
8:01 | 9:23/mi
25.2M
3:45:10
Rank: #15238 (+57)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
3:54:33
Rank: #15213 (+25)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:09
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:02:24
Pace9:20 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2025:278:1125:27
8:11
-
10K
6.21 mi11:43:0452:118:2426:44
8:36
+0:25
15K
9.32 mi12:09:491:18:568:2826:45
8:37
+0:01
20K
12.43 mi12:37:011:46:088:3227:12
8:45
+0:08
Half
13.11 mi12:43:021:52:098:336:01
8:49
+0:04
25K
15.53 mi13:04:252:13:328:3621:23
8:49
0:00
30K
18.64 mi13:33:262:42:338:4329:01
9:20
+0:31
20M
20.00 mi13:46:062:55:138:4612:40
9:19
-0:01
21M
21.00 mi13:55:503:04:578:489:44
9:44
+0:25
35K
21.75 mi14:02:573:12:048:507:07
9:31
-0:13
23M
23.00 mi14:14:493:23:568:5211:52
9:29
-0:02
24M
24.00 mi14:24:233:33:308:549:34
9:34
+0:05
40K
24.85 mi14:32:243:41:318:558:01
9:23
-0:11
25.2M
25.20 mi14:36:033:45:108:563:39
10:35
+1:12
Finish
26.22 mi14:45:263:54:338:579:23
9:12
-1:23

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

8:11 /mi

Average Pace

8:57 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:32

57% of race

Time at Steady Pace

1:27:38

37% of race

Time at Slower Pace

13:23

6% of race

Average Pace: 8:57 /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 mi11:16:2025:278:1125:27
8:11
#15984
10K
6.21 mi11:43:0452:118:2426:44
8:36
#16909
15K
9.32 mi12:09:491:18:568:2826:45
8:37
#16902
20K
12.43 mi12:37:011:46:088:3227:12
8:45
#16659
Half
13.11 mi12:43:021:52:098:336:01
8:49
#16695
25K
15.53 mi13:04:252:13:328:3621:23
8:49
#16270
30K
18.64 mi13:33:262:42:338:4329:01
9:20
#16010
20M
20.00 mi13:46:062:55:138:4612:40
9:19
#15827
21M
21.00 mi13:55:503:04:578:489:44
9:44
#15583
35K
21.75 mi14:02:573:12:048:507:07
9:31
#15590
23M
23.00 mi14:14:493:23:568:5211:52
9:29
#15444
24M
24.00 mi14:24:233:33:308:549:34
9:34
#15429
40K
24.85 mi14:32:243:41:318:558:01
9:23
#15295
25.2M
25.20 mi14:36:033:45:108:563:39
10:35
#15238
Finish
26.22 mi14:45:263:54:338:579:23
9:12
#15213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi159845553555317028(Top 67%)6153(Top 56%)6153(Top 381%)
10K6.21 mi3.10 mi16909-9256090-5376090-53717888(Top 70%)6655(Top 61%)6655(Top 413%)
15K9.32 mi3.11 mi16902+76086+46086+417028(Top 67%)6153(Top 56%)6153(Top 381%)
20K12.43 mi3.11 mi16659+2435966+1205966+12016139(Top 63%)5669(Top 52%)5669(Top 351%)
Half13.11 mi0.68 mi16695-365986-205986-2017436(Top 68%)6469(Top 59%)6469(Top 401%)
25K15.53 mi2.42 mi16270+4255767+2195767+21914673(Top 57%)4993(Top 46%)4993(Top 310%)
30K18.64 mi3.11 mi16010+2605678+895678+8914796(Top 58%)5307(Top 49%)5307(Top 329%)
20M20.00 mi1.36 mi15827+1835615+635615+6313735(Top 54%)4983(Top 46%)4983(Top 309%)
21M21.00 mi1.00 mi15583+2445513+1025513+10211880(Top 46%)4205(Top 38%)4205(Top 261%)
35K21.75 mi0.75 mi15590-75544-315544-3115549(Top 61%)6112(Top 56%)6112(Top 379%)
23M23.00 mi1.25 mi15444+1465507+375507+3713439(Top 53%)5129(Top 47%)5129(Top 318%)
24M24.00 mi1.00 mi15429+155530-235530-2314758(Top 58%)5820(Top 53%)5820(Top 361%)
40K24.85 mi0.85 mi15295+1345489+415489+4112635(Top 49%)4860(Top 44%)4860(Top 301%)
25.2M25.20 mi0.35 mi15238+575474+155474+1513146(Top 51%)5167(Top 47%)5167(Top 320%)
Finish26.22 mi1.02 mi15213+255482-85482-815206(Top 60%)6094(Top 56%)6094(Top 378%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17028

Females

6153

F40-44

6153

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

17888

Females

6655

F40-44

6655

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17028

Females

6153

F40-44

6153

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16139

Females

5669

F40-44

5669

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17436

Females

6469

F40-44

6469

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

14673

Females

4993

F40-44

4993

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14796

Females

5307

F40-44

5307

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

13735

Females

4983

F40-44

4983

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11880

Females

4205

F40-44

4205

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

15549

Females

6112

F40-44

6112

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

13439

Females

5129

F40-44

5129

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14758

Females

5820

F40-44

5820

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12635

Females

4860

F40-44

4860

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13146

Females

5167

F40-44

5167

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15206

Females

6094

F40-44

6094

Passing Analysis

Category:
Athletes Passed
2684
Passed By
1913
Net Change
+771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15984
5K → 10K66991-925#15984#16909
10K → 15K241234+7#16909#16902
15K → 20K376133+243#16902#16659
20K → Half3066-36#16659#16695
Half → 25K45328+425#16695#16270
25K → 30K374114+260#16270#16010
30K → 20M21633+183#16010#15827
20M → 21M26016+244#15827#15583
21M → 35K7784-7#15583#15590
35K → 23M18943+146#15590#15444
23M → 24M9479+15#15444#15429
24M → 40K15016+134#15429#15295
40K → 25.2M7417+57#15295#15238
25.2M → Finish8459+25#15238#15213
TOTALS26841913+771
📊

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