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BOSTON MARATHON 2024

Sarah Negley

Bib: 21126•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 49%
Division (F45-49)
#0 / 1753
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
50:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:16:57
↑ 67↓ 78
20K· 12.43 mi
9:08/mi
1:45:21
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
1:51:43
↑ 19↓ 370.5%
25K· 15.53 mi
9:38/mi
2:15:04
↑ 66↓ 880.2%
30K· 18.64 mi
9:58/mi
2:46:01
↑ 181↓ 1480.2%
20M
9:43/mi
2:59:13
↑ 64↓ 500.2%
21M
10:46/mi
3:09:59
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:16:58
↑ 17↓ 861.7%
23M
9:47/mi
3:29:13
↑ 23↓ 630.6%
24M
9:51/mi
3:39:04
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:47:44
↓ 200.3%
25.2M
10:38/mi
3:51:24
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
4:00:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:43
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:09:05
Pace9:51 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3924:237:5124:23
7:51
-
10K
6.21 mi11:46:3550:198:0625:56
8:21
+0:30
15K
9.32 mi12:13:131:16:578:1526:38
8:34
+0:13
20K
12.43 mi12:41:371:45:218:2928:24
9:08
+0:34
Half
13.11 mi12:47:591:51:438:316:22
9:20
+0:12
25K
15.53 mi13:11:202:15:048:4223:21
9:38
+0:18
30K
18.64 mi13:42:172:46:018:5430:57
9:58
+0:20
20M
20.00 mi13:55:292:59:138:5813:12
9:43
-0:15
21M
21.00 mi14:06:153:09:599:0310:46
10:46
+1:03
35K
21.75 mi14:13:143:16:589:036:59
9:20
-1:26
23M
23.00 mi14:25:293:29:139:0612:15
9:47
+0:27
24M
24.00 mi14:35:203:39:049:089:51
9:51
+0:04
40K
24.85 mi14:44:003:47:449:108:40
10:08
+0:17
25.2M
25.20 mi14:47:403:51:249:113:40
10:38
+0:30
Finish
26.22 mi14:57:044:00:489:119:24
9:13
-1:25

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

7:51 /mi

Average Pace

9:11 /mi

Slowest Pace

10:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:45

48% of race

Time at Steady Pace

1:42:57

43% of race

Time at Slower Pace

23:06

10% of race

Average Pace: 9:11 /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 mi11:20:3924:237:5124:23
7:51
#13497
10K
6.21 mi11:46:3550:198:0625:56
8:21
#15101
15K
9.32 mi12:13:131:16:578:1526:38
8:34
#15658
20K
12.43 mi12:41:371:45:218:2928:24
9:08
#16288
Half
13.11 mi12:47:591:51:438:316:22
9:20
#16500
25K
15.53 mi13:11:202:15:048:4223:21
9:38
#16800
30K
18.64 mi13:42:172:46:018:5430:57
9:58
#16914
20M
20.00 mi13:55:292:59:138:5813:12
9:43
#16812
21M
21.00 mi14:06:153:09:599:0310:46
10:46
#16764
35K
21.75 mi14:13:143:16:589:036:59
9:20
#16681
23M
23.00 mi14:25:293:29:139:0612:15
9:47
#16561
24M
24.00 mi14:35:203:39:049:089:51
9:51
#16513
40K
24.85 mi14:44:003:47:449:108:40
10:08
#16452
25.2M
25.20 mi14:47:403:51:249:113:40
10:38
#16393
Finish
26.22 mi14:57:044:00:489:119:24
9:13
#16360
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi134974006400616803(Top 66%)6027(Top 55%)6027(Top 344%)
10K6.21 mi3.10 mi15101-16044999-9934999-99316419(Top 64%)5775(Top 53%)5775(Top 329%)
15K9.32 mi3.11 mi15658-5575347-3485347-34816803(Top 66%)6027(Top 55%)6027(Top 344%)
20K12.43 mi3.11 mi16288-6305739-3925739-39217962(Top 70%)6680(Top 61%)6680(Top 381%)
Half13.11 mi0.68 mi16500-2125870-1315870-13119521(Top 76%)7602(Top 70%)7602(Top 434%)
25K15.53 mi2.42 mi16800-3006078-2086078-20817977(Top 70%)6810(Top 62%)6810(Top 388%)
30K18.64 mi3.11 mi16914-1146214-1366214-13617235(Top 67%)6643(Top 61%)6643(Top 379%)
20M20.00 mi1.36 mi16812+1026185+296185+2915414(Top 60%)5910(Top 54%)5910(Top 337%)
21M21.00 mi1.00 mi16764+486193-86193-815683(Top 61%)6157(Top 56%)6157(Top 351%)
35K21.75 mi0.75 mi16681+836161+326161+3214874(Top 58%)5778(Top 53%)5778(Top 330%)
23M23.00 mi1.25 mi16561+1206116+456116+4514707(Top 58%)5775(Top 53%)5775(Top 329%)
24M24.00 mi1.00 mi16513+486125-96125-915833(Top 62%)6363(Top 58%)6363(Top 363%)
40K24.85 mi0.85 mi16452+616120+56120+515511(Top 61%)6267(Top 57%)6267(Top 358%)
25.2M25.20 mi0.35 mi16393+596102+186102+1813323(Top 52%)5247(Top 48%)5247(Top 299%)
Finish26.22 mi1.02 mi16360+336122-206122-2015272(Top 60%)6133(Top 56%)6133(Top 350%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

16803

Females

6027

F45-49

6027

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16419

Females

5775

F45-49

5775

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

16803

Females

6027

F45-49

6027

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

17962

Females

6680

F45-49

6680

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

19521

Females

7602

F45-49

7602

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

17977

Females

6810

F45-49

6810

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17235

Females

6643

F45-49

6643

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15414

Females

5910

F45-49

5910

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15683

Females

6157

F45-49

6157

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

14874

Females

5778

F45-49

5778

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

14707

Females

5775

F45-49

5775

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

15833

Females

6363

F45-49

6363

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15511

Females

6267

F45-49

6267

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13323

Females

5247

F45-49

5247

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15272

Females

6133

F45-49

6133

Passing Analysis

Category:
Athletes Passed
1527
Passed By
4390
Net Change
-2863
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13497
5K → 10K341638-1604#13497#15101
10K → 15K97654-557#15101#15658
15K → 20K102732-630#15658#16288
20K → Half12224-212#16288#16500
Half → 25K137437-300#16500#16800
25K → 30K204318-114#16800#16914
30K → 20M16462+102#16914#16812
20M → 21M13991+48#16812#16764
21M → 35K10118+83#16764#16681
35K → 23M15333+120#16681#16561
23M → 24M10860+48#16561#16513
24M → 40K11453+61#16513#16452
40K → 25.2M7718+59#16452#16393
25.2M → Finish8552+33#16393#16360
TOTALS15274390-2863
📊

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