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BOSTON MARATHON 2023

Briana Mccloskey

Bib: 14490•F

NE

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 43%
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
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:28
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:38:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:57:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:22:33
↑ 181↓ 1480.2%
20M
8:23/mi
2:33:57
↑ 64↓ 500.2%
21M
9:01/mi
2:42:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:49:17
↑ 17↓ 861.7%
23M
8:50/mi
3:00:20
↑ 23↓ 630.6%
24M
8:43/mi
3:09:03
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:16:29
↓ 200.3%
25.2M
9:20/mi
3:19:42
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:28:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:49:51
Pace8:23 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3623:147:2923:14
7:29
-
10K
6.21 mi11:15:4146:197:2723:05
7:26
-0:03
15K
9.32 mi11:38:501:09:287:2723:09
7:27
+0:01
20K
12.43 mi12:02:251:33:037:2923:35
7:35
+0:08
Half
13.11 mi12:07:381:38:167:305:13
7:39
+0:04
25K
15.53 mi12:26:291:57:077:3218:51
7:46
+0:07
30K
18.64 mi12:51:552:22:337:3925:26
8:11
+0:25
20M
20.00 mi13:03:192:33:577:4211:24
8:23
+0:12
21M
21.00 mi13:12:202:42:587:469:01
9:01
+0:38
35K
21.75 mi13:18:392:49:177:476:19
8:27
-0:34
23M
23.00 mi13:29:423:00:207:5011:03
8:50
+0:23
24M
24.00 mi13:38:253:09:037:538:43
8:43
-0:07
40K
24.85 mi13:45:513:16:297:547:26
8:42
-0:01
25.2M
25.20 mi13:49:043:19:427:553:13
9:20
+0:38
Finish
26.22 mi13:57:293:28:077:578:25
8:16
-1:04

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

7:26 /mi

Average Pace

7:57 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:07

56% of race

Time at Steady Pace

51:34

25% of race

Time at Slower Pace

39:26

19% of race

Average Pace: 7:56 /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 mi10:52:3623:147:2923:14
7:29
#9461
10K
6.21 mi11:15:4146:197:2723:05
7:26
#9618
15K
9.32 mi11:38:501:09:287:2723:09
7:27
#9642
20K
12.43 mi12:02:251:33:037:2923:35
7:35
#9718
Half
13.11 mi12:07:381:38:167:305:13
7:39
#9813
25K
15.53 mi12:26:291:57:077:3218:51
7:46
#9975
30K
18.64 mi12:51:552:22:337:3925:26
8:11
#10340
20M
20.00 mi13:03:192:33:577:4211:24
8:23
#10536
21M
21.00 mi13:12:202:42:587:469:01
9:01
#10693
35K
21.75 mi13:18:392:49:177:476:19
8:27
#10845
23M
23.00 mi13:29:423:00:207:5011:03
8:50
#11134
24M
24.00 mi13:38:253:09:037:538:43
8:43
#11384
40K
24.85 mi13:45:513:16:297:547:26
8:42
#11533
25.2M
25.20 mi13:49:043:19:427:553:13
9:20
#11572
Finish
26.22 mi13:57:293:28:077:578:25
8:16
#11659
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9461160616069797(Top 37%)1756(Top 15%)1756(Top 36%)
10K6.21 mi3.10 mi9618-1571669-631669-639907(Top 37%)1779(Top 16%)1779(Top 36%)
15K9.32 mi3.11 mi9642-241680-111680-119797(Top 37%)1756(Top 15%)1756(Top 36%)
20K12.43 mi3.11 mi9718-761714-341714-3410039(Top 38%)1936(Top 17%)1936(Top 40%)
Half13.11 mi0.68 mi9813-951759-451759-4511480(Top 43%)2621(Top 23%)2621(Top 54%)
25K15.53 mi2.42 mi9975-1621841-821841-8210914(Top 41%)2443(Top 21%)2443(Top 50%)
30K18.64 mi3.11 mi10340-3652072-2312072-23112251(Top 46%)3326(Top 29%)3326(Top 68%)
20M20.00 mi1.36 mi10536-1962192-1202192-12012953(Top 49%)3822(Top 33%)3822(Top 78%)
21M21.00 mi1.00 mi10693-1572298-1062298-10613517(Top 51%)4212(Top 37%)4212(Top 86%)
35K21.75 mi0.75 mi10845-1522398-1002398-10014972(Top 56%)5077(Top 44%)5077(Top 104%)
23M23.00 mi1.25 mi11134-2892565-1672565-16715128(Top 57%)5245(Top 46%)5245(Top 107%)
24M24.00 mi1.00 mi11384-2502727-1622727-16215749(Top 59%)5662(Top 50%)5662(Top 116%)
40K24.85 mi0.85 mi11533-1492832-1052832-10514474(Top 54%)5004(Top 44%)5004(Top 102%)
25.2M25.20 mi0.35 mi11572-392859-272859-2714330(Top 54%)4900(Top 43%)4900(Top 100%)
Finish26.22 mi1.02 mi11659-872938-792938-7913849(Top 52%)4652(Top 41%)4652(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9797

Females

1756

F18-39

1756

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9907

Females

1779

F18-39

1779

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9797

Females

1756

F18-39

1756

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10039

Females

1936

F18-39

1936

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11480

Females

2621

F18-39

2621

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10914

Females

2443

F18-39

2443

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12251

Females

3326

F18-39

3326

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12953

Females

3822

F18-39

3822

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13517

Females

4212

F18-39

4212

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14972

Females

5077

F18-39

5077

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15128

Females

5245

F18-39

5245

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15749

Females

5662

F18-39

5662

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14474

Females

5004

F18-39

5004

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14330

Females

4900

F18-39

4900

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13849

Females

4652

F18-39

4652

Passing Analysis

Category:
Athletes Passed
905*
Passed By
3101
Net Change
-2198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9461
5K → 10K228385-157#9461#9618
10K → 15K157181-24#9618#9642
15K → 20K123199-76#9642#9718
20K → Half6101-95#9718#9813
Half → 25K78239-162#9813#9975
25K → 30K74438-365#9975#10340
30K → 20M37*233-196#10340#10536
20M → 21M36193-157#10536#10693
21M → 35K17169-152#10693#10845
35K → 23M32321-289#10845#11134
23M → 24M20270-250#11134#11384
24M → 40K30179-149#11384#11533
40K → 25.2M2160-39#11533#11572
25.2M → Finish46133-87#11572#11659
TOTALS905*3101-2198

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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