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BOSTON MARATHON 2023

Holly Brownlee

Bib: 10774•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 11%
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
7:29/mi
23:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
45:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:07:35
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:30:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:34:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:52:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:15:44
↑ 181↓ 1480.2%
20M
7:21/mi
2:25:43
↑ 64↓ 500.2%
21M
7:43/mi
2:33:26
↑ 106↓ 241.6%
35K· 21.75 mi
6:52/mi
2:38:34
↑ 17↓ 861.7%
23M
7:08/mi
2:47:30
↑ 23↓ 630.6%
24M
6:56/mi
2:54:26
↓ 821.3%
40K· 24.85 mi
6:55/mi
3:00:21
↓ 200.3%
25.2M
7:15/mi
3:02:51
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
3:09:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:59
Pace7:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3723:157:2923:15
7:29
-
10K
6.21 mi11:11:4645:247:1822:09
7:08
-0:21
15K
9.32 mi11:33:571:07:357:1522:11
7:08
0:00
20K
12.43 mi11:56:281:30:067:1522:31
7:15
+0:07
Half
13.11 mi12:01:211:34:597:154:53
7:09
-0:06
25K
15.53 mi12:19:041:52:427:1517:43
7:18
+0:09
30K
18.64 mi12:42:062:15:447:1723:02
7:25
+0:07
20M
20.00 mi12:52:052:25:437:179:59
7:21
-0:04
21M
21.00 mi12:59:482:33:267:187:43
7:43
+0:22
35K
21.75 mi13:04:562:38:347:175:08
6:52
-0:51
23M
23.00 mi13:13:522:47:307:178:56
7:08
+0:16
24M
24.00 mi13:20:482:54:267:166:56
6:56
-0:12
40K
24.85 mi13:26:433:00:217:155:55
6:55
-0:01
25.2M
25.20 mi13:29:133:02:517:152:30
7:15
+0:20
Finish
26.22 mi13:35:543:09:327:146:41
6:34
-0:41

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

6:34 /mi

Average Pace

7:14 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:49

44% of race

Time at Steady Pace

1:46:43

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:49:3723:157:2923:15
7:29
#9496
10K
6.21 mi11:11:4645:247:1822:09
7:08
#8487
15K
9.32 mi11:33:571:07:357:1522:11
7:08
#8111
20K
12.43 mi11:56:281:30:067:1522:31
7:15
#7885
Half
13.11 mi12:01:211:34:597:154:53
7:09
#7878
25K
15.53 mi12:19:041:52:427:1517:43
7:18
#7756
30K
18.64 mi12:42:062:15:447:1723:02
7:25
#7500
20M
20.00 mi12:52:052:25:437:179:59
7:21
#7346
21M
21.00 mi12:59:482:33:267:187:43
7:43
#7228
35K
21.75 mi13:04:562:38:347:175:08
6:52
#7111
23M
23.00 mi13:13:522:47:307:178:56
7:08
#6889
24M
24.00 mi13:20:482:54:267:166:56
6:56
#6735
40K
24.85 mi13:26:433:00:217:155:55
6:55
#6558
25.2M
25.20 mi13:29:133:02:517:152:30
7:15
#6475
Finish
26.22 mi13:35:543:09:327:146:41
6:34
#6312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9496161116117412(Top 28%)864(Top 8%)864(Top 18%)
10K6.21 mi3.10 mi8487+10091210+4011210+4017620(Top 29%)921(Top 8%)921(Top 19%)
15K9.32 mi3.11 mi8111+3761076+1341076+1347412(Top 28%)864(Top 8%)864(Top 18%)
20K12.43 mi3.11 mi7885+2261010+661010+667418(Top 28%)903(Top 8%)903(Top 18%)
Half13.11 mi0.68 mi7878+7101010107596(Top 29%)939(Top 8%)939(Top 19%)
25K15.53 mi2.42 mi7756+122987+23987+237335(Top 28%)949(Top 8%)949(Top 19%)
30K18.64 mi3.11 mi7500+256937+50937+506684(Top 25%)820(Top 7%)820(Top 17%)
20M20.00 mi1.36 mi7346+154893+44893+445922(Top 22%)686(Top 6%)686(Top 14%)
21M21.00 mi1.00 mi7228+118869+24869+245744(Top 22%)733(Top 6%)733(Top 15%)
35K21.75 mi0.75 mi7111+117838+31838+314615(Top 17%)422(Top 4%)422(Top 9%)
23M23.00 mi1.25 mi6889+222801+37801+374511(Top 17%)422(Top 4%)422(Top 9%)
24M24.00 mi1.00 mi6735+154774+27774+274373(Top 16%)415(Top 4%)415(Top 8%)
40K24.85 mi0.85 mi6558+177743+31743+313481(Top 13%)316(Top 3%)316(Top 6%)
25.2M25.20 mi0.35 mi6475+83723+20723+202818(Top 11%)237(Top 2%)237(Top 5%)
Finish26.22 mi1.02 mi6312+163685+38685+382806(Top 11%)255(Top 2%)255(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7412

Females

864

F18-39

864

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7620

Females

921

F18-39

921

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7412

Females

864

F18-39

864

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7418

Females

903

F18-39

903

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7596

Females

939

F18-39

939

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7335

Females

949

F18-39

949

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6684

Females

820

F18-39

820

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5922

Females

686

F18-39

686

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5744

Females

733

F18-39

733

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4615

Females

422

F18-39

422

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4511

Females

422

F18-39

422

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4373

Females

415

F18-39

415

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3481

Females

316

F18-39

316

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2818

Females

237

F18-39

237

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2806

Females

255

F18-39

255

Passing Analysis

Category:
Athletes Passed
3368
Passed By
184
Net Change
+3184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9496
5K → 10K103425+1009#9496#8487
10K → 15K39620+376#8487#8111
15K → 20K24923+226#8111#7885
20K → Half2619+7#7885#7878
Half → 25K15735+122#7878#7756
25K → 30K28226+256#7756#7500
30K → 20M1639+154#7500#7346
20M → 21M13113+118#7346#7228
21M → 35K1192+117#7228#7111
35K → 23M2264+222#7111#6889
23M → 24M1573+154#6889#6735
24M → 40K1803+177#6735#6558
40K → 25.2M830+83#6558#6475
25.2M → Finish1652+163#6475#6312
TOTALS3368184+3184
📊

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