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BOSTON MARATHON 2023

Bronwyn Small

Bib: 9011•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F40-44)
#0 / 1878
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
6:56/mi
21:31
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:43
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:03:53
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:25:33
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:30:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:47:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:11:15
↑ 181↓ 1480.2%
20M
7:41/mi
2:21:41
↑ 64↓ 500.2%
21M
8:05/mi
2:29:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:35:19
↑ 17↓ 861.7%
23M
7:50/mi
2:45:07
↑ 23↓ 630.6%
24M
7:40/mi
2:52:47
↓ 821.3%
40K· 24.85 mi
7:44/mi
2:59:24
↓ 200.3%
25.2M
8:36/mi
3:02:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:10:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:39:52
Pace7:37 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5721:316:5621:31
6:56
-
10K
6.21 mi11:08:0942:436:5221:12
6:49
-0:07
15K
9.32 mi11:29:191:03:536:5121:10
6:49
0:00
20K
12.43 mi11:50:591:25:336:5321:40
6:58
+0:09
Half
13.11 mi11:55:431:30:176:534:44
6:56
-0:02
25K
15.53 mi12:13:101:47:446:5617:27
7:12
+0:16
30K
18.64 mi12:36:412:11:157:0223:31
7:34
+0:22
20M
20.00 mi12:47:072:21:417:0510:26
7:41
+0:07
21M
21.00 mi12:55:122:29:467:088:05
8:05
+0:24
35K
21.75 mi13:00:452:35:197:085:33
7:25
-0:40
23M
23.00 mi13:10:332:45:077:119:48
7:50
+0:25
24M
24.00 mi13:18:132:52:477:127:40
7:40
-0:10
40K
24.85 mi13:24:502:59:247:136:37
7:44
+0:04
25.2M
25.20 mi13:27:483:02:227:142:58
8:36
+0:52
Finish
26.22 mi13:35:353:10:097:157:47
7:38
-0:58

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

6:49 /mi

Average Pace

7:15 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:44

57% of race

Time at Steady Pace

1:01:34

32% of race

Time at Slower Pace

20:51

11% of race

Average Pace: 7:15 /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 mi10:46:5721:316:5621:31
6:56
#5775
10K
6.21 mi11:08:0942:436:5221:12
6:49
#5629
15K
9.32 mi11:29:191:03:536:5121:10
6:49
#5513
20K
12.43 mi11:50:591:25:336:5321:40
6:58
#5592
Half
13.11 mi11:55:431:30:176:534:44
6:56
#5635
25K
15.53 mi12:13:101:47:446:5617:27
7:12
#5808
30K
18.64 mi12:36:412:11:157:0223:31
7:34
#6065
20M
20.00 mi12:47:072:21:417:0510:26
7:41
#6140
21M
21.00 mi12:55:122:29:467:088:05
8:05
#6182
35K
21.75 mi13:00:452:35:197:085:33
7:25
#6220
23M
23.00 mi13:10:332:45:077:119:48
7:50
#6277
24M
24.00 mi13:18:132:52:477:127:40
7:40
#6320
40K
24.85 mi13:24:502:59:247:136:37
7:44
#6348
25.2M
25.20 mi13:27:483:02:227:142:58
8:36
#6383
Finish
26.22 mi13:35:353:10:097:157:47
7:38
#6457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi57754684685269(Top 20%)398(Top 3%)398(Top 21%)
10K6.21 mi3.10 mi5629+146441+27441+275545(Top 21%)441(Top 4%)441(Top 23%)
15K9.32 mi3.11 mi5513+116424+17424+175269(Top 20%)398(Top 3%)398(Top 21%)
20K12.43 mi3.11 mi5592-79433-9433-95849(Top 22%)494(Top 4%)494(Top 26%)
Half13.11 mi0.68 mi5635-43436-3436-36277(Top 24%)577(Top 5%)577(Top 31%)
25K15.53 mi2.42 mi5808-173475-39475-396670(Top 25%)753(Top 7%)753(Top 40%)
30K18.64 mi3.11 mi6065-257546-71546-717723(Top 29%)1188(Top 10%)1188(Top 63%)
20M20.00 mi1.36 mi6140-75578-32578-328030(Top 30%)1405(Top 12%)1405(Top 75%)
21M21.00 mi1.00 mi6182-42601-23601-237910(Top 30%)1469(Top 13%)1469(Top 78%)
35K21.75 mi0.75 mi6220-38609-8609-87952(Top 30%)1459(Top 13%)1459(Top 78%)
23M23.00 mi1.25 mi6277-57639-30639-308610(Top 32%)1837(Top 16%)1837(Top 98%)
24M24.00 mi1.00 mi6320-43662-23662-238861(Top 33%)2023(Top 18%)2023(Top 108%)
40K24.85 mi0.85 mi6348-28679-17679-178253(Top 31%)1835(Top 16%)1835(Top 98%)
25.2M25.20 mi0.35 mi6383-35694-15694-1510177(Top 38%)2757(Top 24%)2757(Top 147%)
Finish26.22 mi1.02 mi6457-74732-38732-389555(Top 36%)2485(Top 22%)2485(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5269

Females

398

F40-44

398

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5545

Females

441

F40-44

441

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5269

Females

398

F40-44

398

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5849

Females

494

F40-44

494

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6277

Females

577

F40-44

577

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6670

Females

753

F40-44

753

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7723

Females

1188

F40-44

1188

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8030

Females

1405

F40-44

1405

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7910

Females

1469

F40-44

1469

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7952

Females

1459

F40-44

1459

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8610

Females

1837

F40-44

1837

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8861

Females

2023

F40-44

2023

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8253

Females

1835

F40-44

1835

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10177

Females

2757

F40-44

2757

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9555

Females

2485

F40-44

2485

Passing Analysis

Category:
Athletes Passed
929
Passed By
1611
Net Change
-682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5775
5K → 10K281135+146#5775#5629
10K → 15K18569+116#5629#5513
15K → 20K77156-79#5513#5592
20K → Half750-43#5592#5635
Half → 25K36209-173#5635#5808
25K → 30K61318-257#5808#6065
30K → 20M39114-75#6065#6140
20M → 21M3880-42#6140#6182
21M → 35K2159-38#6182#6220
35K → 23M53110-57#6220#6277
23M → 24M5093-43#6277#6320
24M → 40K4169-28#6320#6348
40K → 25.2M1348-35#6348#6383
25.2M → Finish27101-74#6383#6457
TOTALS9291611-682
📊

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