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BOSTON MARATHON 2023

Shelly Braun

FL

Bib: 20789 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:28/mi
26:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:21/mi
52:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:21/mi
1:18:13
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:32/mi
1:44:44
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:34/mi
1:50:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:42/mi
2:11:40
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:17/mi
2:40:29
↑ 181↓ 1480.2%
138 ft elev
20M
9:11/mi
2:52:58
↑ 64↓ 500.2%
148 ft elev
21M
10:59/mi
3:03:57
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:45/mi
3:10:30
↑ 17↓ 861.7%
156 ft elev
23M
9:49/mi
3:22:48
↑ 23↓ 630.6%
116 ft elev
24M
9:22/mi
3:32:10
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:51/mi
3:39:44
↓ 200.3%
20 ft elev
25.2M
9:23/mi
3:42:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:24/mi
3:51:32
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:35
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:00:57
Pace9:14 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1026:188:2826:18
8:28
-
10K
6.21 mi11:45:0852:168:2525:58
8:21
-0:07
15K
9.32 mi12:11:051:18:138:2425:57
8:21
0:00
20K
12.43 mi12:37:361:44:448:2626:31
8:32
+0:11
Half
13.11 mi12:43:271:50:358:265:51
8:34
+0:02
25K
15.53 mi13:04:322:11:408:2921:05
8:42
+0:08
30K
18.64 mi13:33:212:40:298:3728:49
9:17
+0:35
20M
20.00 mi13:45:502:52:588:3912:29
9:11
-0:06
21M
21.00 mi13:56:493:03:578:4610:59
10:59
+1:48
35K
21.75 mi14:03:223:10:308:466:33
8:45
-2:14
23M
23.00 mi14:15:403:22:488:4912:18
9:49
+1:04
24M
24.00 mi14:25:023:32:108:509:22
9:22
-0:27
40K
24.85 mi14:32:363:39:448:507:34
8:51
-0:31
25.2M
25.20 mi14:35:503:42:588:513:14
9:23
+0:32
Finish
26.22 mi14:44:243:51:328:508:34
8:24
-0:59

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

8:21 /mi

Average Pace

8:50 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:29

26% of race

Time at Steady Pace

1:33:52

41% of race

Time at Slower Pace

1:17:11

33% of race

Average Pace: 8:50 /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 mi11:19:1026:188:2826:18
8:28
#17332
10K
6.21 mi11:45:0852:168:2525:58
8:21
#17290
15K
9.32 mi12:11:051:18:138:2425:57
8:21
#17152
20K
12.43 mi12:37:361:44:448:2626:31
8:32
#17132
Half
13.11 mi12:43:271:50:358:265:51
8:34
#17172
25K
15.53 mi13:04:322:11:408:2921:05
8:42
#17192
30K
18.64 mi13:33:212:40:298:3728:49
9:17
#17424
20M
20.00 mi13:45:502:52:588:3912:29
9:11
#17408
21M
21.00 mi13:56:493:03:578:4610:59
10:59
#17736
35K
21.75 mi14:03:223:10:308:466:33
8:45
#17691
23M
23.00 mi14:15:403:22:488:4912:18
9:49
#17881
24M
24.00 mi14:25:023:32:108:509:22
9:22
#17936
40K
24.85 mi14:32:363:39:448:507:34
8:51
#17846
25.2M
25.20 mi14:35:503:42:588:513:14
9:23
#17795
Finish
26.22 mi14:44:243:51:328:508:34
8:24
#17678
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi173326151615116884(Top 63%)5844(Top 51%)5844(Top 322%)
10K6.21 mi3.10 mi17290+426109+426109+4217304(Top 65%)6064(Top 53%)6064(Top 334%)
15K9.32 mi3.11 mi17152+1386002+1076002+10716884(Top 63%)5844(Top 51%)5844(Top 322%)
20K12.43 mi3.11 mi17132+206008-66008-617100(Top 64%)5989(Top 52%)5989(Top 330%)
Half13.11 mi0.68 mi17172-406029-216029-2118214(Top 68%)6609(Top 58%)6609(Top 364%)
25K15.53 mi2.42 mi17192-206057-286057-2817368(Top 65%)6211(Top 54%)6211(Top 342%)
30K18.64 mi3.11 mi17424-2326205-1486205-14818510(Top 70%)6922(Top 61%)6922(Top 381%)
20M20.00 mi1.36 mi17408+166222-176222-1717496(Top 66%)6449(Top 56%)6449(Top 355%)
21M21.00 mi1.00 mi17736-3286431-2096431-20920803(Top 78%)8351(Top 73%)8351(Top 460%)
35K21.75 mi0.75 mi17691+456420+116420+1116763(Top 63%)6151(Top 54%)6151(Top 339%)
23M23.00 mi1.25 mi17881-1906544-1246544-12419497(Top 73%)7677(Top 67%)7677(Top 423%)
24M24.00 mi1.00 mi17936-556587-436587-4318724(Top 70%)7287(Top 64%)7287(Top 401%)
40K24.85 mi0.85 mi17846+906537+506537+5015402(Top 58%)5534(Top 48%)5534(Top 305%)
25.2M25.20 mi0.35 mi17795+516516+216516+2114672(Top 55%)5138(Top 45%)5138(Top 283%)
Finish26.22 mi1.02 mi17678+1176464+526464+5214829(Top 56%)5178(Top 45%)5178(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16884

Females

5844

F45-49

5844

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17304

Females

6064

F45-49

6064

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16884

Females

5844

F45-49

5844

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17100

Females

5989

F45-49

5989

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18214

Females

6609

F45-49

6609

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17368

Females

6211

F45-49

6211

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18510

Females

6922

F45-49

6922

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17496

Females

6449

F45-49

6449

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20803

Females

8351

F45-49

8351

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16763

Females

6151

F45-49

6151

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19497

Females

7677

F45-49

7677

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18724

Females

7287

F45-49

7287

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15402

Females

5534

F45-49

5534

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14672

Females

5138

F45-49

5138

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14829

Females

5178

F45-49

5178

Passing Analysis

Category:
Athletes Passed
1559
Passed By
1905
Net Change
-346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17332
5K → 10K335293+42#17332#17290
10K → 15K255117+138#17290#17152
15K → 20K189169+20#17152#17132
20K → Half1151-40#17132#17172
Half → 25K115135-20#17172#17192
25K → 30K104336-232#17192#17424
30K → 20M9680+16#17424#17408
20M → 21M19347-328#17408#17736
21M → 35K6823+45#17736#17691
35K → 23M39229-190#17691#17881
23M → 24M3691-55#17881#17936
24M → 40K10111+90#17936#17846
40K → 25.2M587+51#17846#17795
25.2M → Finish13316+117#17795#17678
TOTALS15591905-346
📊

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