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BOSTON MARATHON 2023

Brooke Valentine

Bib: 26888•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
9:32/mi
29:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
56:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:28/mi
1:22:43
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:49:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:55:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:17:01
↑ 66↓ 880.2%
30K· 18.64 mi
9:27/mi
2:46:23
↑ 181↓ 1480.2%
20M
9:44/mi
2:59:37
↑ 64↓ 500.2%
21M
10:20/mi
3:09:57
↑ 106↓ 241.6%
35K· 21.75 mi
9:31/mi
3:17:04
↑ 17↓ 861.7%
23M
9:44/mi
3:29:15
↑ 23↓ 630.6%
24M
9:38/mi
3:38:53
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:47:09
↓ 200.3%
25.2M
10:32/mi
3:50:47
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:00:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:20
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:04:55
Pace9:32 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3229:369:3229:36
9:32
-
10K
6.21 mi12:13:2156:259:0526:49
8:38
-0:54
15K
9.32 mi12:39:391:22:438:5226:18
8:28
-0:10
20K
12.43 mi13:06:241:49:288:4926:45
8:37
+0:09
Half
13.11 mi13:12:161:55:208:485:52
8:36
-0:01
25K
15.53 mi13:33:572:17:018:4921:41
8:57
+0:21
30K
18.64 mi14:03:192:46:238:5629:22
9:27
+0:30
20M
20.00 mi14:16:332:59:378:5913:14
9:44
+0:17
21M
21.00 mi14:26:533:09:579:0310:20
10:20
+0:36
35K
21.75 mi14:34:003:17:049:047:07
9:31
-0:49
23M
23.00 mi14:46:113:29:159:0612:11
9:44
+0:13
24M
24.00 mi14:55:493:38:539:079:38
9:38
-0:06
40K
24.85 mi15:04:053:47:099:088:16
9:40
+0:02
25.2M
25.20 mi15:07:433:50:479:093:38
10:32
+0:52
Finish
26.22 mi15:17:114:00:159:109:28
9:17
-1:15

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

8:28 /mi

Average Pace

9:10 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:25

45% of race

Time at Steady Pace

1:58:52

49% of race

Time at Slower Pace

13:58

6% of race

Average Pace: 9:10 /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 mi11:46:3229:369:3229:36
9:32
#22177
10K
6.21 mi12:13:2156:259:0526:49
8:38
#20980
15K
9.32 mi12:39:391:22:438:5226:18
8:28
#20005
20K
12.43 mi13:06:241:49:288:4926:45
8:37
#19365
Half
13.11 mi13:12:161:55:208:485:52
8:36
#19309
25K
15.53 mi13:33:572:17:018:4921:41
8:57
#19210
30K
18.64 mi14:03:192:46:238:5629:22
9:27
#19237
20M
20.00 mi14:16:332:59:378:5913:14
9:44
#19273
21M
21.00 mi14:26:533:09:579:0310:20
10:20
#19261
35K
21.75 mi14:34:003:17:049:047:07
9:31
#19300
23M
23.00 mi14:46:113:29:159:0612:11
9:44
#19284
24M
24.00 mi14:55:493:38:539:079:38
9:38
#19320
40K
24.85 mi15:04:053:47:099:088:16
9:40
#19315
25.2M
25.20 mi15:07:433:50:479:093:38
10:32
#19332
Finish
26.22 mi15:17:114:00:159:109:28
9:17
#19357
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221778963896317585(Top 66%)6266(Top 55%)6266(Top 128%)
10K6.21 mi3.10 mi20980+11978313+6508313+65019033(Top 71%)7100(Top 62%)7100(Top 145%)
15K9.32 mi3.11 mi20005+9757743+5707743+57017585(Top 66%)6266(Top 55%)6266(Top 128%)
20K12.43 mi3.11 mi19365+6407348+3957348+39517572(Top 66%)6274(Top 55%)6274(Top 128%)
Half13.11 mi0.68 mi19309+567310+387310+3818387(Top 69%)6722(Top 59%)6722(Top 138%)
25K15.53 mi2.42 mi19210+997247+637247+6318694(Top 70%)6963(Top 61%)6963(Top 143%)
30K18.64 mi3.11 mi19237-277279-327279-3219262(Top 72%)7336(Top 64%)7336(Top 150%)
20M20.00 mi1.36 mi19273-367316-377316-3719678(Top 74%)7684(Top 67%)7684(Top 157%)
21M21.00 mi1.00 mi19261+127319-37319-319127(Top 72%)7413(Top 65%)7413(Top 152%)
35K21.75 mi0.75 mi19300-397350-317350-3119902(Top 75%)7870(Top 69%)7870(Top 161%)
23M23.00 mi1.25 mi19284+167340+107340+1019202(Top 72%)7526(Top 66%)7526(Top 154%)
24M24.00 mi1.00 mi19320-367367-277367-2719695(Top 74%)7804(Top 68%)7804(Top 160%)
40K24.85 mi0.85 mi19315+57378-117378-1118938(Top 71%)7461(Top 65%)7461(Top 153%)
25.2M25.20 mi0.35 mi19332-177391-137391-1319241(Top 72%)7636(Top 67%)7636(Top 156%)
Finish26.22 mi1.02 mi19357-257409-187409-1819332(Top 73%)7632(Top 67%)7632(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17585

Females

6266

F18-39

6266

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

19033

Females

7100

F18-39

7100

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17585

Females

6266

F18-39

6266

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17572

Females

6274

F18-39

6274

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18387

Females

6722

F18-39

6722

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18694

Females

6963

F18-39

6963

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19262

Females

7336

F18-39

7336

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19678

Females

7684

F18-39

7684

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19127

Females

7413

F18-39

7413

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19902

Females

7870

F18-39

7870

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19202

Females

7526

F18-39

7526

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19695

Females

7804

F18-39

7804

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18938

Females

7461

F18-39

7461

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19241

Females

7636

F18-39

7636

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19332

Females

7632

F18-39

7632

Passing Analysis

Category:
Athletes Passed
3638
Passed By
818
Net Change
+2820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22177
5K → 10K120710+1197#22177#20980
10K → 15K9794+975#20980#20005
15K → 20K6466+640#20005#19365
20K → Half626+56#19365#19309
Half → 25K16970+99#19309#19210
25K → 30K152179-27#19210#19237
30K → 20M73109-36#19237#19273
20M → 21M8674+12#19273#19261
21M → 35K2968-39#19261#19300
35K → 23M7660+16#19300#19284
23M → 24M5389-36#19284#19320
24M → 40K5045+5#19320#19315
40K → 25.2M1734-17#19315#19332
25.2M → Finish3964-25#19332#19357
TOTALS3638818+2820
📊

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