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BOSTON MARATHON 2023

Jacqueline Brown

Bib: 17195•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F40-44)
#0 / 1878
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
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:14:50
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:40:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:46:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:35/mi
2:07:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:34:49
↑ 181↓ 1480.2%
20M
8:58/mi
2:47:00
↑ 64↓ 500.2%
21M
9:41/mi
2:56:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:03:22
↑ 17↓ 861.7%
23M
8:56/mi
3:14:33
↑ 23↓ 630.6%
24M
9:00/mi
3:23:33
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:31:31
↓ 200.3%
25.2M
10:50/mi
3:35:15
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
3:44:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:28
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:58:16
Pace9:01 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1524:558:0124:55
8:01
-
10K
6.21 mi11:40:0249:428:0024:47
7:59
-0:02
15K
9.32 mi12:05:101:14:508:0225:08
8:05
+0:06
20K
12.43 mi12:31:051:40:458:0625:55
8:21
+0:16
Half
13.11 mi12:36:481:46:288:075:43
8:23
+0:02
25K
15.53 mi12:57:362:07:168:1220:48
8:35
+0:12
30K
18.64 mi13:25:092:34:498:1827:33
8:52
+0:17
20M
20.00 mi13:37:202:47:008:2112:11
8:58
+0:06
21M
21.00 mi13:47:012:56:418:259:41
9:41
+0:43
35K
21.75 mi13:53:423:03:228:266:41
8:56
-0:45
23M
23.00 mi14:04:533:14:338:2811:11
8:56
0:00
24M
24.00 mi14:13:533:23:338:299:00
9:00
+0:04
40K
24.85 mi14:21:513:31:318:317:58
9:19
+0:19
25.2M
25.20 mi14:25:353:35:158:333:44
10:50
+1:31
Finish
26.22 mi14:35:043:44:448:359:29
9:18
-1:32

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

7:59 /mi

Average Pace

8:35 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:28

47% of race

Time at Steady Pace

1:27:24

39% of race

Time at Slower Pace

30:52

14% of race

Average Pace: 8:34 /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 mi11:15:1524:558:0124:55
8:01
#14173
10K
6.21 mi11:40:0249:428:0024:47
7:59
#14385
15K
9.32 mi12:05:101:14:508:0225:08
8:05
#14565
20K
12.43 mi12:31:051:40:458:0625:55
8:21
#14917
Half
13.11 mi12:36:481:46:288:075:43
8:23
#15025
25K
15.53 mi12:57:362:07:168:1220:48
8:35
#15304
30K
18.64 mi13:25:092:34:498:1827:33
8:52
#15518
20M
20.00 mi13:37:202:47:008:2112:11
8:58
#15566
21M
21.00 mi13:47:012:56:418:259:41
9:41
#15624
35K
21.75 mi13:53:423:03:228:266:41
8:56
#15691
23M
23.00 mi14:04:533:14:338:2811:11
8:56
#15674
24M
24.00 mi14:13:533:23:338:299:00
9:00
#15750
40K
24.85 mi14:21:513:31:318:317:58
9:19
#15840
25.2M
25.20 mi14:25:353:35:158:333:44
10:50
#15933
Finish
26.22 mi14:35:043:44:448:359:29
9:18
#16113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141734134413415109(Top 57%)4741(Top 42%)4741(Top 252%)
10K6.21 mi3.10 mi14385-2124276-1424276-14214660(Top 55%)4458(Top 39%)4458(Top 237%)
15K9.32 mi3.11 mi14565-1804391-1154391-11515109(Top 57%)4741(Top 42%)4741(Top 252%)
20K12.43 mi3.11 mi14917-3524631-2404631-24015905(Top 60%)5294(Top 46%)5294(Top 282%)
Half13.11 mi0.68 mi15025-1084701-704701-7017033(Top 64%)5912(Top 52%)5912(Top 315%)
25K15.53 mi2.42 mi15304-2794899-1984899-19816695(Top 63%)5829(Top 51%)5829(Top 310%)
30K18.64 mi3.11 mi15518-2145084-1855084-18516471(Top 62%)5769(Top 51%)5769(Top 307%)
20M20.00 mi1.36 mi15566-485131-475131-4716362(Top 61%)5787(Top 51%)5787(Top 308%)
21M21.00 mi1.00 mi15624-585194-635194-6316789(Top 63%)6065(Top 53%)6065(Top 323%)
35K21.75 mi0.75 mi15691-675253-595253-5917631(Top 66%)6617(Top 58%)6617(Top 352%)
23M23.00 mi1.25 mi15674+175269-165269-1615710(Top 59%)5579(Top 49%)5579(Top 297%)
24M24.00 mi1.00 mi15750-765334-655334-6517245(Top 65%)6483(Top 57%)6483(Top 345%)
40K24.85 mi0.85 mi15840-905386-525386-5217606(Top 66%)6736(Top 59%)6736(Top 359%)
25.2M25.20 mi0.35 mi15933-935446-605446-6020041(Top 75%)8072(Top 71%)8072(Top 430%)
Finish26.22 mi1.02 mi16113-1805557-1115557-11119401(Top 73%)7670(Top 67%)7670(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15109

Females

4741

F40-44

4741

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14660

Females

4458

F40-44

4458

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15109

Females

4741

F40-44

4741

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15905

Females

5294

F40-44

5294

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17033

Females

5912

F40-44

5912

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16695

Females

5829

F40-44

5829

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16471

Females

5769

F40-44

5769

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16362

Females

5787

F40-44

5787

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16789

Females

6065

F40-44

6065

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17631

Females

6617

F40-44

6617

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15710

Females

5579

F40-44

5579

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17245

Females

6483

F40-44

6483

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17606

Females

6736

F40-44

6736

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20041

Females

8072

F40-44

8072

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19401

Females

7670

F40-44

7670

Passing Analysis

Category:
Athletes Passed
970
Passed By
2910
Net Change
-1940
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14173
5K → 10K193405-212#14173#14385
10K → 15K132312-180#14385#14565
15K → 20K90442-352#14565#14917
20K → Half16124-108#14917#15025
Half → 25K59338-279#15025#15304
25K → 30K115329-214#15304#15518
30K → 20M75123-48#15518#15566
20M → 21M62120-58#15566#15624
21M → 35K2996-67#15624#15691
35K → 23M8669+17#15691#15674
23M → 24M43119-76#15674#15750
24M → 40K41131-90#15750#15840
40K → 25.2M10103-93#15840#15933
25.2M → Finish19199-180#15933#16113
TOTALS9702910-1940
📊

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