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BOSTON MARATHON 2023

Bridget Riordan

Bib: 19244•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F55-59)
#0 / 815
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:04
Rank: #11908
Start → 5K
24:04 | 7:45/mi
10K· 6.21 mi
47:51
Rank: #11828 (+80)
5K → 10K
23:47 | 7:39/mi
15K· 9.32 mi
1:12:04
Rank: #12098 (-270)
10K → 15K
24:13 | 7:48/mi
20K· 12.43 mi
1:37:03
Rank: #12480 (-382)
15K → 20K
24:59 | 8:02/mi
Half· 13.11 mi
1:42:31
Rank: #12576 (-96)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:02:26
Rank: #12892 (-316)
Half → 25K
19:55 | 8:13/mi
30K· 18.64 mi
2:30:37
Rank: #13945 (-1053)
25K → 30K
28:11 | 9:04/mi
20M
2:43:02
Rank: #14230 (-285)
30K → 20M
12:25 | 9:08/mi
21M
2:53:07
Rank: #14500 (-270)
20M → 21M
10:05 | 10:05/mi
35K· 21.75 mi
3:01:07
Rank: #15037 (-537)
21M → 35K
8:00 | 10:42/mi
23M
3:13:07
Rank: #15269 (-232)
35K → 23M
12:00 | 9:35/mi
24M
3:22:39
Rank: #15514 (-245)
23M → 24M
9:32 | 9:32/mi
40K· 24.85 mi
3:30:55
Rank: #15678 (-164)
24M → 40K
8:16 | 9:40/mi
25.2M
3:34:32
Rank: #15767 (-89)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:44:03
Rank: #15939 (-172)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:31
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:01:32
Pace9:16 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2424:047:4524:04
7:45
-
10K
6.21 mi11:43:1147:517:4223:47
7:39
-0:06
15K
9.32 mi12:07:241:12:047:4424:13
7:48
+0:09
20K
12.43 mi12:32:231:37:037:4924:59
8:02
+0:14
Half
13.11 mi12:37:511:42:317:495:28
8:01
-0:01
25K
15.53 mi12:57:462:02:267:5319:55
8:13
+0:12
30K
18.64 mi13:25:572:30:378:0528:11
9:04
+0:51
20M
20.00 mi13:38:222:43:028:0912:25
9:08
+0:04
21M
21.00 mi13:48:272:53:078:1510:05
10:05
+0:57
35K
21.75 mi13:56:273:01:078:208:00
10:42
+0:37
23M
23.00 mi14:08:273:13:078:2412:00
9:35
-1:07
24M
24.00 mi14:17:593:22:398:279:32
9:32
-0:03
40K
24.85 mi14:26:153:30:558:298:16
9:40
+0:08
25.2M
25.20 mi14:29:523:34:328:313:37
10:29
+0:49
Finish
26.22 mi14:39:233:44:038:339:31
9:20
-1:09

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

7:39 /mi

Average Pace

8:33 /mi

Slowest Pace

10:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:26

55% of race

Time at Steady Pace

1:11:39

32% of race

Time at Slower Pace

29:58

13% of race

Average Pace: 8:33 /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 mi11:19:2424:047:4524:04
7:45
#11908
10K
6.21 mi11:43:1147:517:4223:47
7:39
#11828
15K
9.32 mi12:07:241:12:047:4424:13
7:48
#12098
20K
12.43 mi12:32:231:37:037:4924:59
8:02
#12480
Half
13.11 mi12:37:511:42:317:495:28
8:01
#12576
25K
15.53 mi12:57:462:02:267:5319:55
8:13
#12892
30K
18.64 mi13:25:572:30:378:0528:11
9:04
#13945
20M
20.00 mi13:38:222:43:028:0912:25
9:08
#14230
21M
21.00 mi13:48:272:53:078:1510:05
10:05
#14500
35K
21.75 mi13:56:273:01:078:208:00
10:42
#15037
23M
23.00 mi14:08:273:13:078:2412:00
9:35
#15269
24M
24.00 mi14:17:593:22:398:279:32
9:32
#15514
40K
24.85 mi14:26:153:30:558:298:16
9:40
#15678
25.2M
25.20 mi14:29:523:34:328:313:37
10:29
#15767
Finish
26.22 mi14:39:233:44:038:339:31
9:20
#15939
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi119082822282212715(Top 48%)3304(Top 29%)3304(Top 405%)
10K6.21 mi3.10 mi11828+802781+412781+4111857(Top 45%)2792(Top 24%)2792(Top 343%)
15K9.32 mi3.11 mi12098-2702951-1702951-17012715(Top 48%)3304(Top 29%)3304(Top 405%)
20K12.43 mi3.11 mi12480-3823190-2393190-23913783(Top 52%)3987(Top 35%)3987(Top 489%)
Half13.11 mi0.68 mi12576-963252-623252-6214584(Top 55%)4453(Top 39%)4453(Top 546%)
25K15.53 mi2.42 mi12892-3163450-1983450-19814368(Top 54%)4439(Top 39%)4439(Top 545%)
30K18.64 mi3.11 mi13945-10534113-6634113-66317545(Top 66%)6379(Top 56%)6379(Top 783%)
20M20.00 mi1.36 mi14230-2854311-1984311-19817254(Top 65%)6305(Top 55%)6305(Top 774%)
21M21.00 mi1.00 mi14500-2704495-1844495-18418322(Top 69%)6941(Top 61%)6941(Top 852%)
35K21.75 mi0.75 mi15037-5374838-3434838-34322738(Top 85%)9443(Top 83%)9443(Top 1159%)
23M23.00 mi1.25 mi15269-2325008-1705008-17018670(Top 70%)7218(Top 63%)7218(Top 886%)
24M24.00 mi1.00 mi15514-2455186-1785186-17819334(Top 73%)7624(Top 67%)7624(Top 935%)
40K24.85 mi0.85 mi15678-1645291-1055291-10518921(Top 71%)7444(Top 65%)7444(Top 913%)
25.2M25.20 mi0.35 mi15767-895347-565347-5619072(Top 72%)7533(Top 66%)7533(Top 924%)
Finish26.22 mi1.02 mi15939-1725455-1085455-10819529(Top 73%)7740(Top 68%)7740(Top 950%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12715

Females

3304

F55-59

3304

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11857

Females

2792

F55-59

2792

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12715

Females

3304

F55-59

3304

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13783

Females

3987

F55-59

3987

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14584

Females

4453

F55-59

4453

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14368

Females

4439

F55-59

4439

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17545

Females

6379

F55-59

6379

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17254

Females

6305

F55-59

6305

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18322

Females

6941

F55-59

6941

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22738

Females

9443

F55-59

9443

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18670

Females

7218

F55-59

7218

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19334

Females

7624

F55-59

7624

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18921

Females

7444

F55-59

7444

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19072

Females

7533

F55-59

7533

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19529

Females

7740

F55-59

7740

Passing Analysis

Category:
Athletes Passed
803
Passed By
4834
Net Change
-4031
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11908
5K → 10K346266+80#11908#11828
10K → 15K112382-270#11828#12098
15K → 20K66448-382#12098#12480
20K → Half11107-96#12480#12576
Half → 25K67383-316#12576#12892
25K → 30K251078-1053#12892#13945
30K → 20M31316-285#13945#14230
20M → 21M23293-270#14230#14500
21M → 35K4541-537#14500#15037
35K → 23M32264-232#15037#15269
23M → 24M26271-245#15269#15514
24M → 40K28192-164#15514#15678
40K → 25.2M12101-89#15678#15767
25.2M → Finish20192-172#15767#15939
TOTALS8034834-4031
📊

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