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BOSTON MARATHON 2024

Debbie Stemmerman

Bib: 18427•F

OR

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 (F55-59)
#0 / 876
Top 30%
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
8:03/mi
25:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
50:52
↑ 79↓ 1380.4%
15K· 9.32 mi
9:14/mi
1:19:34
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
1:50:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:56:08
↑ 19↓ 370.5%
25K· 15.53 mi
9:44/mi
2:19:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:49:54
↑ 181↓ 1480.2%
20M
9:26/mi
3:02:43
↑ 64↓ 500.2%
21M
10:06/mi
3:12:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:17/mi
3:19:46
↑ 17↓ 861.7%
23M
9:12/mi
3:31:17
↑ 23↓ 630.6%
24M
9:06/mi
3:40:23
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:48:11
↓ 200.3%
25.2M
11:19/mi
3:52:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
4:00:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:08
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:04:44
Pace9:31 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3625:028:0325:02
8:03
-
10K
6.21 mi11:42:2650:528:1125:50
8:19
+0:16
15K
9.32 mi12:11:081:19:348:3228:42
9:14
+0:55
20K
12.43 mi12:41:521:50:188:5330:44
9:54
+0:40
Half
13.11 mi12:47:421:56:088:525:50
8:33
-1:21
25K
15.53 mi13:11:192:19:459:0023:37
9:44
+1:11
30K
18.64 mi13:41:282:49:549:0730:09
9:42
-0:02
20M
20.00 mi13:54:173:02:439:0812:49
9:26
-0:16
21M
21.00 mi14:04:233:12:499:1110:06
10:06
+0:40
35K
21.75 mi14:11:203:19:469:116:57
9:17
-0:49
23M
23.00 mi14:22:513:31:179:1111:31
9:12
-0:05
24M
24.00 mi14:31:573:40:239:119:06
9:06
-0:06
40K
24.85 mi14:39:453:48:119:117:48
9:07
+0:01
25.2M
25.20 mi14:43:393:52:059:133:54
11:19
+2:12
Finish
26.22 mi14:52:264:00:529:128:47
8:37
-2:42

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

8:03 /mi

Average Pace

9:12 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:29

27% of race

Time at Steady Pace

1:16:53

32% of race

Time at Slower Pace

1:38:30

41% 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 mi11:16:3625:028:0325:02
8:03
#15079
10K
6.21 mi11:42:2650:528:1125:50
8:19
#15682
15K
9.32 mi12:11:081:19:348:3228:42
9:14
#17316
20K
12.43 mi12:41:521:50:188:5330:44
9:54
#18380
Half
13.11 mi12:47:421:56:088:525:50
8:33
#18247
25K
15.53 mi13:11:192:19:459:0023:37
9:44
#18281
30K
18.64 mi13:41:282:49:549:0730:09
9:42
#17876
20M
20.00 mi13:54:173:02:439:0812:49
9:26
#17595
21M
21.00 mi14:04:233:12:499:1110:06
10:06
#17372
35K
21.75 mi14:11:203:19:469:116:57
9:17
#17242
23M
23.00 mi14:22:513:31:179:1111:31
9:12
#16952
24M
24.00 mi14:31:573:40:239:119:06
9:06
#16763
40K
24.85 mi14:39:453:48:119:117:48
9:07
#16546
25.2M
25.20 mi14:43:393:52:059:133:54
11:19
#16531
Finish
26.22 mi14:52:264:00:529:128:47
8:37
#16365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi150794995499519842(Top 78%)7694(Top 70%)7694(Top 878%)
10K6.21 mi3.10 mi15682-6035346-3515346-35116224(Top 63%)5663(Top 52%)5663(Top 646%)
15K9.32 mi3.11 mi17316-16346329-9836329-98319842(Top 78%)7694(Top 70%)7694(Top 878%)
20K12.43 mi3.11 mi18380-10646951-6226951-62220307(Top 79%)7988(Top 73%)7988(Top 912%)
Half13.11 mi0.68 mi18247+1336869+826869+8216054(Top 63%)5663(Top 52%)5663(Top 646%)
25K15.53 mi2.42 mi18281-346926-576926-5718354(Top 72%)7022(Top 64%)7022(Top 802%)
30K18.64 mi3.11 mi17876+4056766+1606766+16016273(Top 64%)6116(Top 56%)6116(Top 698%)
20M20.00 mi1.36 mi17595+2816634+1326634+13214234(Top 56%)5260(Top 48%)5260(Top 600%)
21M21.00 mi1.00 mi17372+2236530+1046530+10413403(Top 52%)4997(Top 46%)4997(Top 570%)
35K21.75 mi0.75 mi17242+1306479+516479+5114696(Top 58%)5699(Top 52%)5699(Top 651%)
23M23.00 mi1.25 mi16952+2906349+1306349+13012151(Top 48%)4494(Top 41%)4494(Top 513%)
24M24.00 mi1.00 mi16763+1896266+836266+8312686(Top 50%)4771(Top 44%)4771(Top 545%)
40K24.85 mi0.85 mi16546+2176173+936173+9311467(Top 45%)4290(Top 39%)4290(Top 490%)
25.2M25.20 mi0.35 mi16531+156179-66179-615530(Top 61%)6302(Top 58%)6302(Top 719%)
Finish26.22 mi1.02 mi16365+1666124+556124+5512215(Top 48%)4580(Top 42%)4580(Top 523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

19842

Females

7694

F55-59

7694

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16224

Females

5663

F55-59

5663

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

19842

Females

7694

F55-59

7694

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20307

Females

7988

F55-59

7988

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16054

Females

5663

F55-59

5663

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

18354

Females

7022

F55-59

7022

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16273

Females

6116

F55-59

6116

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14234

Females

5260

F55-59

5260

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13403

Females

4997

F55-59

4997

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

14696

Females

5699

F55-59

5699

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12151

Females

4494

F55-59

4494

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12686

Females

4771

F55-59

4771

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11467

Females

4290

F55-59

4290

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15530

Females

6302

F55-59

6302

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12215

Females

4580

F55-59

4580

Passing Analysis

Category:
Athletes Passed
2557
Passed By
3843
Net Change
-1286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15079
5K → 10K102705-603#15079#15682
10K → 15K211655-1634#15682#17316
15K → 20K501114-1064#17316#18380
20K → Half1385+133#18380#18247
Half → 25K186220-34#18247#18281
25K → 30K47166+405#18281#17876
30K → 20M2854+281#17876#17595
20M → 21M23411+223#17595#17372
21M → 35K1399+130#17372#17242
35K → 23M2944+290#17242#16952
23M → 24M1989+189#16952#16763
24M → 40K2236+217#16763#16546
40K → 25.2M4126+15#16546#16531
25.2M → Finish1759+166#16531#16365
TOTALS25573843-1286
📊

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