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BOSTON MARATHON 2024

Sarah Dundee

Bib: 21435•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
9:20/mi
57:02
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:25:51
↑ 67↓ 78
20K· 12.43 mi
9:31/mi
1:55:25
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:01:43
↑ 19↓ 370.5%
25K· 15.53 mi
9:42/mi
2:25:14
↑ 66↓ 880.2%
30K· 18.64 mi
10:00/mi
2:56:19
↑ 181↓ 1480.2%
20M
9:50/mi
3:09:41
↑ 64↓ 500.2%
21M
10:43/mi
3:20:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:27:38
↑ 17↓ 861.7%
23M
10:07/mi
3:40:18
↑ 23↓ 630.6%
24M
10:07/mi
3:50:25
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:59:11
↓ 200.3%
25.2M
11:33/mi
4:03:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
4:12:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:43
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:10:57
Pace9:59 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3828:039:0228:03
9:02
-
10K
6.21 mi11:54:3757:029:1128:59
9:20
+0:18
15K
9.32 mi12:23:261:25:519:1328:49
9:17
-0:03
20K
12.43 mi12:53:001:55:259:1729:34
9:31
+0:14
Half
13.11 mi12:59:182:01:439:176:18
9:14
-0:17
25K
15.53 mi13:22:492:25:149:2123:31
9:42
+0:28
30K
18.64 mi13:53:542:56:199:2831:05
10:00
+0:18
20M
20.00 mi14:07:163:09:419:2913:22
9:50
-0:10
21M
21.00 mi14:17:593:20:249:3310:43
10:43
+0:53
35K
21.75 mi14:25:133:27:389:337:14
9:40
-1:03
23M
23.00 mi14:37:533:40:189:3512:40
10:07
+0:27
24M
24.00 mi14:48:003:50:259:3610:07
10:07
0:00
40K
24.85 mi14:56:463:59:119:378:46
10:15
+0:08
25.2M
25.20 mi15:00:454:03:109:393:59
11:33
+1:18
Finish
26.22 mi15:10:154:12:409:399:30
9:19
-2:14

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

9:02 /mi

Average Pace

9:39 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:39

40% of race

Time at Steady Pace

1:44:46

41% of race

Time at Slower Pace

46:15

18% of race

Average Pace: 9:38 /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 mi11:25:3828:039:0228:03
9:02
#20193
10K
6.21 mi11:54:3757:029:1128:59
9:20
#20575
15K
9.32 mi12:23:261:25:519:1328:49
9:17
#20367
20K
12.43 mi12:53:001:55:259:1729:34
9:31
#20066
Half
13.11 mi12:59:182:01:439:176:18
9:14
#20023
25K
15.53 mi13:22:492:25:149:2123:31
9:42
#19684
30K
18.64 mi13:53:542:56:199:2831:05
10:00
#19227
20M
20.00 mi14:07:163:09:419:2913:22
9:50
#18963
21M
21.00 mi14:17:593:20:249:3310:43
10:43
#18738
35K
21.75 mi14:25:133:27:389:337:14
9:40
#18616
23M
23.00 mi14:37:533:40:189:3512:40
10:07
#18413
24M
24.00 mi14:48:003:50:259:3610:07
10:07
#18329
40K
24.85 mi14:56:463:59:119:378:46
10:15
#18219
25.2M
25.20 mi15:00:454:03:109:393:59
11:33
#18167
Finish
26.22 mi15:10:154:12:409:399:30
9:19
#18052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201937979797919951(Top 78%)7759(Top 71%)7759(Top 443%)
10K6.21 mi3.10 mi20575-3828155-1768155-17620870(Top 82%)8297(Top 76%)8297(Top 473%)
15K9.32 mi3.11 mi20367+2088024+1318024+13119951(Top 78%)7759(Top 71%)7759(Top 443%)
20K12.43 mi3.11 mi20066+3017858+1667858+16619261(Top 75%)7411(Top 68%)7411(Top 423%)
Half13.11 mi0.68 mi20023+437842+167842+1619230(Top 75%)7464(Top 68%)7464(Top 426%)
25K15.53 mi2.42 mi19684+3397678+1647678+16418211(Top 71%)6949(Top 64%)6949(Top 396%)
30K18.64 mi3.11 mi19227+4577495+1837495+18317363(Top 68%)6713(Top 61%)6713(Top 383%)
20M20.00 mi1.36 mi18963+2647384+1117384+11115914(Top 62%)6168(Top 56%)6168(Top 352%)
21M21.00 mi1.00 mi18738+2257287+977287+9715542(Top 61%)6093(Top 56%)6093(Top 348%)
35K21.75 mi0.75 mi18616+1227234+537234+5316120(Top 63%)6412(Top 59%)6412(Top 366%)
23M23.00 mi1.25 mi18413+2037147+877147+8715868(Top 62%)6335(Top 58%)6335(Top 361%)
24M24.00 mi1.00 mi18329+847128+197128+1916713(Top 65%)6797(Top 62%)6797(Top 388%)
40K24.85 mi0.85 mi18219+1107093+357093+3515918(Top 62%)6464(Top 59%)6464(Top 369%)
25.2M25.20 mi0.35 mi18167+527079+147079+1416222(Top 63%)6649(Top 61%)6649(Top 379%)
Finish26.22 mi1.02 mi18052+1157049+307049+3015745(Top 62%)6390(Top 58%)6390(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

19951

Females

7759

F45-49

7759

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

20870

Females

8297

F45-49

8297

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

19951

Females

7759

F45-49

7759

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19261

Females

7411

F45-49

7411

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19230

Females

7464

F45-49

7464

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18211

Females

6949

F45-49

6949

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17363

Females

6713

F45-49

6713

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15914

Females

6168

F45-49

6168

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15542

Females

6093

F45-49

6093

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16120

Females

6412

F45-49

6412

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

15868

Females

6335

F45-49

6335

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16713

Females

6797

F45-49

6797

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15918

Females

6464

F45-49

6464

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16222

Females

6649

F45-49

6649

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

15745

Females

6390

F45-49

6390

Passing Analysis

Category:
Athletes Passed
3013
Passed By
872
Net Change
+2141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20193
5K → 10K141523-382#20193#20575
10K → 15K311103+208#20575#20367
15K → 20K36362+301#20367#20066
20K → Half6320+43#20066#20023
Half → 25K36728+339#20023#19684
25K → 30K49235+457#19684#19227
30K → 20M2739+264#19227#18963
20M → 21M2338+225#18963#18738
21M → 35K13311+122#18738#18616
35K → 23M22219+203#18616#18413
23M → 24M10420+84#18413#18329
24M → 40K12313+110#18329#18219
40K → 25.2M597+52#18219#18167
25.2M → Finish12914+115#18167#18052
TOTALS3013872+2141
📊

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