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BOSTON MARATHON 2023

Brigid Scanlon

Bib: 31015•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:45
Rank: #24805
Start → 5K
32:45 | 10:32/mi
10K· 6.21 mi
1:05:01
Rank: #24649 (+156)
5K → 10K
32:16 | 10:23/mi
15K· 9.32 mi
1:37:18
Rank: #24523 (+126)
10K → 15K
32:17 | 10:23/mi
20K· 12.43 mi
2:09:36
Rank: #24286 (+237)
15K → 20K
32:18 | 10:24/mi
Half· 13.11 mi
2:16:38
Rank: #24256 (+30)
20K → Half
7:02 | 10:19/mi
25K· 15.53 mi
2:41:58
Rank: #24034 (+222)
Half → 25K
25:20 | 10:27/mi
30K· 18.64 mi
3:15:19
Rank: #23768 (+266)
25K → 30K
33:21 | 10:44/mi
20M
3:29:48
Rank: #23626 (+142)
30K → 20M
14:29 | 10:39/mi
21M
3:41:29
Rank: #23577 (+49)
20M → 21M
11:41 | 11:41/mi
35K· 21.75 mi
3:49:19
Rank: #23537 (+40)
21M → 35K
7:50 | 10:28/mi
23M
4:02:33
Rank: #23442 (+95)
35K → 23M
13:14 | 10:34/mi
24M
4:13:13
Rank: #23398 (+44)
23M → 24M
10:40 | 10:40/mi
40K· 24.85 mi
4:22:14
Rank: #23329 (+69)
24M → 40K
9:01 | 10:33/mi
25.2M
4:26:06
Rank: #23287 (+42)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:36:36
Rank: #23260 (+27)
25.2M → Finish
10:30 | 10:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:38
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:19:58
Pace10:41 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4032:4510:3232:45
10:32
-
10K
6.21 mi12:25:561:05:0110:2832:16
10:23
-0:09
15K
9.32 mi12:58:131:37:1810:2632:17
10:23
0:00
20K
12.43 mi13:30:312:09:3610:2632:18
10:24
+0:01
Half
13.11 mi13:37:332:16:3810:257:02
10:19
-0:05
25K
15.53 mi14:02:532:41:5810:2625:20
10:27
+0:08
30K
18.64 mi14:36:143:15:1910:2933:21
10:44
+0:17
20M
20.00 mi14:50:433:29:4810:2914:29
10:39
-0:05
21M
21.00 mi15:02:243:41:2910:3311:41
11:41
+1:02
35K
21.75 mi15:10:143:49:1910:337:50
10:28
-1:13
23M
23.00 mi15:23:284:02:3310:3313:14
10:34
+0:06
24M
24.00 mi15:34:084:13:1310:3310:40
10:40
+0:06
40K
24.85 mi15:43:094:22:1410:339:01
10:33
-0:07
25.2M
25.20 mi15:47:014:26:0610:343:52
11:13
+0:40
Finish
26.22 mi15:57:314:36:3610:3310:30
10:18
-0:55

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

10:18 /mi

Average Pace

10:33 /mi

Slowest Pace

11:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:24:55

96% of race

Time at Steady Pace

11:41

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:33 /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 mi11:53:4032:4510:3232:45
10:32
#24805
10K
6.21 mi12:25:561:05:0110:2832:16
10:23
#24649
15K
9.32 mi12:58:131:37:1810:2632:17
10:23
#24523
20K
12.43 mi13:30:312:09:3610:2632:18
10:24
#24286
Half
13.11 mi13:37:332:16:3810:257:02
10:19
#24256
25K
15.53 mi14:02:532:41:5810:2625:20
10:27
#24034
30K
18.64 mi14:36:143:15:1910:2933:21
10:44
#23768
20M
20.00 mi14:50:433:29:4810:2914:29
10:39
#23626
21M
21.00 mi15:02:243:41:2910:3311:41
11:41
#23577
35K
21.75 mi15:10:143:49:1910:337:50
10:28
#23537
23M
23.00 mi15:23:284:02:3310:3313:14
10:34
#23442
24M
24.00 mi15:34:084:13:1310:3310:40
10:40
#23398
40K
24.85 mi15:43:094:22:1410:339:01
10:33
#23329
25.2M
25.20 mi15:47:014:26:0610:343:52
11:13
#23287
Finish
26.22 mi15:57:314:36:3610:3310:30
10:18
#23260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24805103281032824264(Top 91%)10036(Top 88%)10036(Top 205%)
10K6.21 mi3.10 mi24649+15610237+9110237+9124466(Top 92%)10147(Top 89%)10147(Top 208%)
15K9.32 mi3.11 mi24523+12610174+6310174+6324264(Top 91%)10036(Top 88%)10036(Top 205%)
20K12.43 mi3.11 mi24286+23710055+11910055+11923656(Top 89%)9720(Top 85%)9720(Top 199%)
Half13.11 mi0.68 mi24256+3010036+1910036+1923870(Top 90%)9843(Top 86%)9843(Top 202%)
25K15.53 mi2.42 mi24034+2229916+1209916+12023097(Top 87%)9443(Top 83%)9443(Top 193%)
30K18.64 mi3.11 mi23768+2669789+1279789+12722673(Top 85%)9288(Top 81%)9288(Top 190%)
20M20.00 mi1.36 mi23626+1429724+659724+6522078(Top 83%)9028(Top 79%)9028(Top 185%)
21M21.00 mi1.00 mi23577+499706+189706+1822223(Top 83%)9127(Top 80%)9127(Top 187%)
35K21.75 mi0.75 mi23537+409687+199687+1922346(Top 84%)9243(Top 81%)9243(Top 189%)
23M23.00 mi1.25 mi23442+959652+359652+3521487(Top 81%)8788(Top 77%)8788(Top 180%)
24M24.00 mi1.00 mi23398+449638+149638+1422392(Top 84%)9311(Top 82%)9311(Top 191%)
40K24.85 mi0.85 mi23329+699612+269612+2621338(Top 80%)8803(Top 77%)8803(Top 180%)
25.2M25.20 mi0.35 mi23287+429593+199593+1920989(Top 79%)8595(Top 75%)8595(Top 176%)
Finish26.22 mi1.02 mi23260+279586+79586+722575(Top 85%)9431(Top 83%)9431(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24264

Females

10036

F18-39

10036

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24466

Females

10147

F18-39

10147

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24264

Females

10036

F18-39

10036

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23656

Females

9720

F18-39

9720

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23870

Females

9843

F18-39

9843

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23097

Females

9443

F18-39

9443

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22673

Females

9288

F18-39

9288

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22078

Females

9028

F18-39

9028

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22223

Females

9127

F18-39

9127

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22346

Females

9243

F18-39

9243

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21487

Females

8788

F18-39

8788

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22392

Females

9311

F18-39

9311

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21338

Females

8803

F18-39

8803

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20989

Females

8595

F18-39

8595

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22575

Females

9431

F18-39

9431

Passing Analysis

Category:
Athletes Passed
1852
Passed By
307
Net Change
+1545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24805
5K → 10K273117+156#24805#24649
10K → 15K18963+126#24649#24523
15K → 20K24811+237#24523#24286
20K → Half4313+30#24286#24256
Half → 25K23311+222#24256#24034
25K → 30K28115+266#24034#23768
30K → 20M1464+142#23768#23626
20M → 21M7122+49#23626#23577
21M → 35K466+40#23577#23537
35K → 23M1027+95#23537#23442
23M → 24M5915+44#23442#23398
24M → 40K756+69#23398#23329
40K → 25.2M431+42#23329#23287
25.2M → Finish4316+27#23287#23260
TOTALS1852307+1545
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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